Answer:
a) 2.0 x 10^5
b) 8.0 x 10^4
c) 9 x 10^9
d) 1 x 10^10
Jayden has two jobs. One week his paycheck was the same for both jobs. As a server
he earned $9.64 per hour plus $82.35 in tips. Working at a jewelry store he earned
$14.86 per hour plus $17.10 in sales bonuses. Write an equation that can be used to
determine the number of hours, h, that Jayden worked the week his paycheck was the
same for both jobs.
Create an equation
The equation for Jayden's paycheck is,
$9.64h+ 82.35= $14.86h+ $17.10
How to construct an algebraic equation?
STEPS TO CONSTRUCT AN ALGEBRAIC EQUATION---
Identify the inquiry being made.Simple statements should be used to record pertinent information.Assign symbols to values that are still unknown.Calculate the mathematical relationships between the assertions.let the number of hours Jayden works be h hours.
so, Jayden has got the total from the jewelry store is,,$9.64h+ 82.35
Jayden has got the total from the sales bonuses is, $14.86h+ $17.10
so, the total paycheck from the jewelry store is,,$9.64h+ 82.35
and from the sales bonuses is $14.86h+ $17.10.
as they are equal, the equation is, $9.64h+ 82.35= $14.86h+ $17.10
Hence, the equation is,$9.64h+ 82.35= $14.86h+ $17.10
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Taub is saving up to buy a new bicycle. She already has $70 and can save an additional $10 per week using money from her after school job. How much total money would Taub have after 7 weeks of saving? Also, write an expression that represents the amount of money Taub would have saved in w weeks.
Total savings after 7 weeks:
Total savings after w weeks:
Total savings after 7 weeks : $140
Total savings after w weeks : $(70 + 10w)
What is Equation Modelling?Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem.
Given is a phrase : Taub is saving up to buy a new bicycle. She already has $70 and can save an additional $10 per week using money from her after school job.
Taub will have a total of -
70 + 7 x 10 = $140
The expression that represents the amount of money Taub would have saved in [w] weeks is -
y = 70 + 10w
Therefore -
Total savings after 7 weeks : $140
Total savings after w weeks : $(70 + 10w)
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you have 600 ft of fencing to make a pen for hogs. if you have a river on one side of your property, what are the dimensions (in ft) of the rectangular pen that maximize the area?
The dimensions that maximize the area are 150ft × 300ft.
What do we mean by dimensions?A topological measurement of an object's dimension is the extent of its covering qualities. It is, essentially, the number of coordinates required to specify a location on the object. A cube is three-dimensional, whereas a rectangle is two-dimensional.So, let y be the length of the side parallel to the river and x be the length of each of the two sides perpendicular to it.
The following provides the total fencing length:
2x + y = 600y = 600 - 2xThe rectangular pen's surface area is:
A = xyA = x(600 - 2x)A = 600x - 2x²We may determine the value of x required to maximize the area by determining the value of x for which the derivative of the area function is zero:
dA(x)/dx = d(600x - 2x²)/dx0 = 600 - 4xx = 150The value of y is: for x=150
y = 600 - 2x = 600 - (2 × 150)y = 300Therefore, the dimensions that maximize the area are 150ft × 300ft.
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I need help understanding domain and range better. I am in algebra 1 in high school freshmen
The domain and the range of a function have the concepts given as follows:
Domain: input values of a function/relation.Range: output values of a function/relation.What are the domain and range of a function?The domain of a function or of a relation is the set that contains all possible input values. Hence, among possible representations, we have that:
In a graph, the domain is composed by the values of x.In a relation of points (x,y), the domain is also composed by all the values of x.For a function, the domain is composed by all values that respect the restrictions of a function. For example, in a fraction, the domain is composed by all values for which the denominator is not zero.The range of a function or of a relation is the set that contains all possible output values. Hence, among possible representations, we have that:
In a graph, the domain is composed by the values of y.In a relation of points (x,y), the domain is also composed by all the values of y.For a function, the range is composed by all the numeric values assumed by the function inside it's domain.More can be learned about the domain and the range of a function or of a relation at https://brainly.com/question/10197594
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The correlation coefficient (r) between the number of hours worked x and the amount of money earned y is 0.456.
What percent of the variation in the amount of money earned can be explained by differences in the number of hours worked?
The percent of the variation in the amount of money earned can be explained by differences in the number of hours worked 20.8%.
Given that, the correlation coefficient (r) between the number of hours worked x and the amount of money earned y is 0.456.
What is the correlation coefficient?The correlation coefficient describes how one variable moves in relation to another. A positive correlation indicates that the two move in the same direction, with a value of 1 denoting a perfect positive correlation. A value of -1 shows a perfect negative, or inverse, correlation, while zero means no linear correlation exists.
The percent of the variation in the dependent variable that can be explained by the independent variable is called coefficient of determination, which is r².
In this case, r = 0.456. So r² = 0.456² = 0.208
That means 20.8% of the variation in the amount of money earned can be explained by differences in the number of hours worked.
Therefore, the percent of the variation in the amount of money earned can be explained by differences in the number of hours worked 20.8%.
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For her final project, stacy plans on surveying a random sample of students on whether they plan to go to florida for spring break. From past years, she guesses that about % of the class goes. Is it reasonable for her to use a normal model for the sampling distribution of the sample proportion? why or why not?.
Yes, it is reasonable for her to use a normal model for the sampling distribution of the sample proportion. In this case, less than ten efforts have been successful. Since 5 is a lot less than 10, this is the case.
Because the data don't fit the success and failure criteria, it is not appropriate to adopt a normal model for a sampling of the sample distribution.
50 students make up the sample. The probability that she assumes 10% of the group will attend is 10%.
It will be demonstrated by:
1 - p = 1 - 10% = 1 - 0.10 = 0.90
np = 50 × 0.1 = 5. This suggests the number of victories.
Less than 10 attempts have succeeded in this instance. 5 is much less than 10, hence this case. As a result, the data does not satisfy the requirement.
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The question is -
For her final project, Stacy plans on surveying a random sample of 50 students on whether they plan to go to Florida for spring break. from past years, she guesses that about 10% of the class goes. is it reasonable for her to use a normal model for the sampling distribution of the sample proportion? why or why not?
its easy but i dont want to do it because im to lazy
The equation of the given line written in the slope-intercept form is: y = 21x + 10.25.
What is a slope?
The slope or gradient of a line in mathematics is a quantity that specifies both the direction and the steepness of the line.
Note that the general slope equation is:
y = mx + b
Where
m is the slope of the line and
b is the y-intercept.
In this specific instance, m is the change in the price of the ticket
b is the additional fee value that needs to be included for each ticket
Hence, the cost of the ticket (y) is given as:
y = (change rate of x) + added fee to every order
Where rate of change = 21; and
The fee added to each order is 10.25
Given the above, the general equation becomes:
y = 21x + 10.25
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an envelope contains eight bills: ones, fives, tens, and twenties. two bills are drawn at random without replacement. what is the probability that their sum is $ or more?
Using the concepts of probability, we got 0.5 is the probability of drawing the sum $20 or more when two bills are drawn randomly without replacement.
We have an envelope contains 8 bills;
Two of $1 bills, Two of $5 bills, Two of $10 bills, Two of $20 bills.
When two bills are drawn randomly without replacement, we have to find the probability that their sum is $20 or more.
Total outcomes = 2 x 2 x 2 x 2 = 16
Total possible outcomes, more than 20;
(1, 20), (20, 1), (5, 20), (20, 5), (10, 10), (20, 10), (10, 20), (20, 20) = 8 cases
That is,
The total possible outcomes is 8.
Now,
The probability of bill to be $20 or more = Possible outcome / Total outcome
Probability = 8/16 = 1/2=0.5
Hence, When two bills are drawn randomly without replacement, the probability that their sum is $20 or more is 0.5.
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(Complete question)
an envelope contains eight bills: 2 ones, 2 fives, 2 tens, and 2 twenties. two bills are drawn at random without replacement. what is the probability that their sum is $20 or more?
Aaliyah was given a gift card for a coffee shop. Each morning, Aaliyah uses the card to
buy one cup of coffee. The original amount of money on the gift card was $30 and
each
сир of coffee costs $2. Make a table of values and then write an equation for A,
in terms of x, representing the amount money remaining on the card after buying a
cups of coffee.
The equation in terms of x, which represents the amount of money left on the gift card of Aaliyah upon buying a cup of coffee is; A = 30 - 2x dollars.
Define the term equation?A single mathematical phrase is referred to as a term. It could be a single number (negatively or positively), a single variable (a letter), or a combination of variables multiplied but still never added or eliminated. Variables with such a number ahead of them are used in some words. A coefficient is the number that appears ahead of a phrase.The original value of the gift card was $30.
Coffee costs $2 per cup.
Let 'x' be the number of cup of coffee purchased by Aaliyah.
Total cost be 'A' be paid by her.
Thus, the equation in terms of x, which represents the amount of money left on the gift card upon buying a cup of coffee is;
A = 30 - 2x dollars.
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You work at a restaurant as a host and a server. You earn $9.45 for each hour you work as a host and $7.65 for each hour you work as a server.
a. Identify an equation in standard form that models your earnings.
Responses
7.65x+9.45y=160.657 point 6 5 x plus 9 point 4 5 y is equal to 160 point 6 5
y=17x+160.65y is equal to 17 x plus 160 point 6 5
9.45x+7.65y=160.659 point 4 5 x plus 7 point 6 5 y is equal to 160 point 6 5
9.45x−7.65y=160.659 point 4 5 x minus 7 point 6 5 y is equal to 160 point 6 5
Question 2
b. Graph the equation.
Keyboard Instructions
Initial graph state
The horizontal axis goes from -1.4 to 22.4 with ticks spaced every 2 unit(s).
The vertical axis goes from -1.4 to 22.4 with ticks spaced every 3 unit(s).
Hours worked as hostHours worked as server
Answer:
7
Step-by-step explanation:
65x+9.45y=160.657 point 6 5 x plus 9 point 4 5 y is equal to 160 point 6 5
at a certain university, the average attendance at basketball games in the previous year was 3000 spectators per game. the athletic director claims that the attendance this season is up from last year. for the first 14 games of the current year, there has been an average of 3200 spectators per game with a standard deviation of 450. using a significance level of .05, does this sample data provide evidence to support the athletic director's claim?
The p-value is higher than 0.05, so we are unable to rule out the null hypothesis. There is little proof to back up the director's claim.
Hypothesis:
H₀ : μ = 3000
H₁ : μ > 3000
The t-test should be employed when the population mean and standard deviation are unknown. Since the sample size is high, we can infer that the sample mean's sampling distribution is normal.
The following information is provided:
s = 450
x = 3200
n = 14
Therefore, test statistics will be:
t = (x - μ) / (s / √n) = (3200 - 3000) / (250 / √14) = 1.66
The test in this instance is right-tailed, and its degree of freedom is df=n-1=14-1=13.
0.0601 is the p-value.
We are unable to reject the null hypothesis since the p-value is higher than 0.05. The director's allegation is not supported by a lot of evidence.
Since p =.0601, the director's assertion cannot be supported by the available data.
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Write the point-slope form of the equation of the line that passes through the origin and has a slope of 2. a. using variables, write out the formula for the point-slope form of the equation. b. identify the values for m, x1, and y1. c. fill these values into the point-slope form of the equation from part (a), and simplify as needed. use the box provided to submit all of your calculations and final answers.
The point slope form of the equation is = P2 = (11, 2)
What is point slope?The equation of a straight line that passes through a particular point and is inclined at a specific angle to the x-axis can be found using the point slope form. Every point on a line must satisfy the equation for the line in order for it to exist. This implies that a line is represented by a linear equation in two variables. Depending on the facts at hand, there are different ways to find a line's equation. Several techniques include:Form of point slopeForm of a slope-interceptTwo-point form for interceptingacc to our question-
Since m = and P1 = (2, -1) then x1 = 2 and y1 = -1. 1y – y1 = m (x – x1)y – (-1) = (x – 2)y + 1 = (x – 2)3 (y + 1) = 1(x – 2)3y + 3 = x – 25 = x – 3y or x – 3y = 5(This the standard formula of the line)Step 2: Calculate P2.Select any valueyou with for x or y and substitute it into the equation found instep 1. For this example y will equal 2.x – 3y = 5x – 3(2) = 5x – 6 = 6x = 11learn more about slope click here:
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the normal model n(58, 21) describes the distribution of weights of chicken eggs in grams. suppose that the weight of a randomly selected chicken egg has a z-score of 1.78. what is the weight of this egg in grams? round to the nearest hundredth of a gram.
The weight of the eggs in grams 95.38 grams.
Let X the random variable that represent the weights of a population, and for this case we know the distribution for X is given by:
X ~ N(58,21)
where µ = 58 and σ = 21
The z score for this case is given by this formula:
z = x - µ/σ
We know that the value of z = 1.78 and we want to estimate the value of X. If we solve for X from the z formula we got:
X = µ+1.78σ
= 58 + 1.78×21
= 95.38
So, the corresponding weight for a z score of 1.78 is 95.38 grams.
Hence we get the required answer.
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an iq test is designed to have scores that have a standard deviation of . a simple random sample of students at a large university will be given the test in order to construct a confidence interval for the mean iq of all students at the university. how many students must be tested so that the margin of error will be equal to points?
The sample size required in this case is 71 pupils, which must be tested in order for the margin of error to be equal to 3 points.
When it comes to statistics, selecting a relatively small representative sample and conducting hypothesis testing on it typically makes it easier to analyze a large population. By boosting the sample size, the margin of error, which represents the sampling procedure's statistical precision, can be decreased.
From standard normal tables,
P( -2.326 < Z < 2.326) = 0.98 here
The sample size required here is computed as:
n = [(z * α) / МОЕ]² = [(2.326 * 18) / 5]² = 70.12
Therefore, the required sample size, in this case, is 71.
To ensure that the margin of error is equivalent to 3 points, 71 students must be assessed.
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COMPLETE QUESTION:
An IQ test is designed to have scores that have a standard deviation of a 10. A simple random sample of students at a torgo university will be given the test in order to construct a 95% confidence interval for the mean 10 of all students at the university. How many students must be tested so that the margin of error will be equal to 3 points? The sample size required for the desired margin of error is.(Round your answer to next whole number.)
Write the equation of the line in fully simplified slope-intercept form.
ANSWER ASAP
WILL GIVE BRAINLIEST
The equation of the line in fully simplified slope - intercept form is 5x + 4y = 12 .
In the question ,
a graph of the line is given , we need to find the equation of the given line in the simplified slope - intercept form .
to find the equation , we need minimum two points ,
So , from the given graph ,
we can find that
when x [tex]=[/tex] 0 , the value of y [tex]=[/tex] 3 ,
the first point is (0 [tex],[/tex] 3) .
when x [tex]=[/tex] 4 , the value of y [tex]=[/tex] -2 ,
the second point is (4 [tex],[/tex] -2) .
the slope can be calculated by
slope = (-2-3)/(4-0)
= -5/4
So , the equation of the line passing through point (4,-2) with slope -5/4 , in the slope intercept form is
(y -(-2)) = (-5/4)(x-4)
y + 2 = (-5/4)x + 5
y = (-5/4)x + 5 - 2
y = (-5/4)x + 3
Simplifying further , we get
4y = -5x + 12
5x + 4y = 12
Therefore , The equation line in fully simplified slope - intercept form is 5x + 4y = 12 .
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-9 (9x -6) = 3 (4x+6)
Answer:
[tex]-9 (9x -6) = 3 (4x+6) \\ - 9 \times 9x + 9 \times 6 = 3 \times 4x + 3 \times 6 \\ - 81x + 54 = 12x + 18 \\ -81x - 12x = - 54 + 18 \\ - 93x = - 36 \\ x = \frac{36}{93} \\ x = \frac{18}{46.5} \\ x = 0.3870967742[/tex]
the sum of a particular two digit number is 11. if this number's digits are reversed, the number is decreased by 63. what is this number?
The required number is 94.
Let the digit on unit's place be 'x'
Digit on ten's place be 'y'
Therefore,
Original number = 10y + x
Given, the sum of the digits = 11
=> x + y = 11 →(I)
When the digits are reversed, new number = 10x + y
Therefore,
(10y + x) - (10x + y) = 63
10y + x - 10x - y = 63
9y - 9x = 63
=> y - x = 7 →(II)
Adding (I) and (II) we get
2y = 18
y = 9
Substituting the value of y in (I) we get
x + 9 = 11
x = 2
Therefore,
Original number = 10y + x = 10(9) + 4 = 94
The required number is 94.
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The graph of a quadratic function with vertex (-3,1) is shown in the figure below. Find the range and the domain
The domain of the given quadratic function is { -3 }
and range is { 1 }
What is a domain and range ?A function's domain is the set of values that can be plugged into it. This set symbolizes the x values in a function like f. (x). Additionally, we can deduce that a function's range refers to the set of values it can accept. There are values in this set that the function returns when we enter an x value.
The domain of the given quadratic function is { -3 }
and range is { 1 }
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suppose that prior to conducting a coin-flipping experiment, we suspect that the coin is fair. how many times would we have to flip the coin in order to obtain a 99% confidence interval of width of at most .18 for the probability of flipping a head? (note that the z-score was rounded to three decimal places in the calculation) a) 164 b) 205 c) 167 d) 212 e) 202 f) none of the above
The coin is flipped at least 52 times in order to obtain a 99% confidence interval of width of at most . 18 for the probability of flipping a head.
Hence, Option F is correct answer.
In a sample with a number n of people surveyed with a probability of a success of π , and a confidence level of (1-α), we have the following confidence interval of proportions.
[tex]\pi[/tex] ± z[tex]\sqrt{\frac{\pi \p(1-\pi )}{n} }[/tex]
z is the z-score that has a pvalue of [tex]1-\frac{\alpha }{2}[/tex]
Since, the coin is fair, so [tex]\pi =0.5[/tex].
The margin of error is:
[tex]M=z\sqrt{(\frac{\pi (1-\pi )}{n} )}[/tex]
99% confidence level:
So [tex]\alpha =0.01[/tex] ,z is the value of Z that has a p value of 1-[tex]\frac{0.01}{2}[/tex]=0.995,
so Z= 2.575
How many times would we have to flip the coin ?
We have to flip the coin in order to obtain a 99% confidence interval of width of at most 18 for the probability of flipping a head at least n times.
n is found when M=0.18 .
So
M=[tex]z\sqrt{\frac{\pi (1-\pi )}{n} }[/tex]
[tex]0.18=2.575\sqrt{\frac{0.5*0.5}{n} }[/tex]
[tex]0.18\sqrt{n} =2.575*0.5[/tex]
[tex]\sqrt{n}=\frac{2.575*0.5}{0.18}[/tex]
[tex]\sqrt{n} ^{2} =(\frac{2.575*0.5}{0.18} )^{2}[/tex]
n = 51.16
Thus, we have to flip the coin at least 52 times.
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What is the solution to the following equation?
x² + 3x + 7 = 0
A. x= 3+-√25/2
B. x= -3+-√37/2
C. x= -3+-√²7/2
D. x= -3+-√-19/2
Answer: D
Step-by-step explanation:
Answer: Choice D
[tex]x = \frac{-3\pm\sqrt{-19}}{2}\\\\[/tex]
==================================================
Explanation:
Compare the given equation x² + 3x + 7 = 0 to ax² + bx + c = 0 to find that,
a = 1b = 3c = 7Those values are plugged into the quadratic formula to get the following:
[tex]x = \frac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\x = \frac{-3\pm\sqrt{(3)^2-4(1)(7)}}{2(1)}\\\\x = \frac{-3\pm\sqrt{-19}}{2}\\\\[/tex]
which points us to choice D being the final answer.
--------------
Side note:
The discriminant [tex]d = b^2 - 4ac = (3)^2-4(1)(7) = -19[/tex] is negative, so there are no real solutions. Instead, the two solutions are non-real complex numbers.
A red-throated loon is a type of diving bird that dives for its food. One particular loon dives for 8 seconds to a depth of 12 feet under the surface of the water. A. Assume the loon dives at a constant rate. Write an equation that can be used to represent the elevation, y, of the loon after x seconds into the dive. B. If the loon is at a depth of 22 feet under the surface of the water, how long was it diving for? Show your work.
The equation representing the elevation of the loon and the time of the dive is 3x-2y = 0, and the Loon has been diving for 14.67 seconds.
The red throated loon dived down to a distance of 12 feet under the water in 8 seconds.
We can assume that the loon is diving at a constant rate.
The relation between the elevation wise of the loan after 1 second into the dive can be represented by the linear equation which has the slope,
Slope = 12/8
Slope = 3/2
Now as we have the slope of the equation we can write the equation by using the point slope form, with the point, (8,12)
(y - 12)/(x - 8) = 3/2
2y - 24 = 3x - 24
3x - 2y = 0
This is the equation that represent the elevation y of the loan after x seconds.
When the elevation of The Loon is 22 feet,
We can put y = 22,
3x = 2(22)
x = 14.67 seconds.
So, the loon has been diving for 14.67 seconds.
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2) Find the slope of the line passing through the points (5, 5) and (2, -3).
the answer is 1 but it could be a I took the test
What does the average rate of change represent in the context of the question? Use complete sentences.
Laura is planning to attend a soccer skills camp that will require her to complete different skills tasks in the fastest time possible. To get ready for the event, she is practicing and logging her time to complete each skills task.
The x-coordinate is the skills task number, and the y-coordinate is the time in seconds.
(1, 4), (2, 8), (3, 16), (4, 32)
The rate of change here represents the time in seconds it takes her to perform a certain number of skills task
What is the meaning of the average rate of change?The rate of change is defined as the rate at which one quantity is changing with respect to another quantity. Mathematically:
rate of change = change in y / change in x
Given that: The x-coordinate is the skills task number and the y-coordinate is the time in seconds
Thus, rate of change = time in seconds / skills task number
Therefore, the rate of change in this context represents the time in seconds it takes to perform a certain number of skills task
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An adult sleeps about 480 minutes per day an infant sleeps about 820 minutes per day about how many more minutes does an infant sleep than an adult in one week. What is the given information that will be used to solve the problem?
Answer:2380 minutes. By saying how many more minutes does an infant sleep than an adult in one week impies that you have to subtract how long an adult sleeps taken away from the amount of time an infinte sleeps. Once you get the answer you multiply it by seven.
Step-by-step explanation:
Answer:340 minutes
Step-by-step explanation:you subtract the amount an infant sleeps (820 minutes) by the amount an adult sleeps (480 minutes)
820-480=340
a recent survey showed that 9393 full-time employees out of a sample of 400400 did not use all of their vacation days last year. however, 118118 of those studied expressed a desire for more vacation time. based on this sample, if a full-time employee is chosen at random, what is the probability that he or she is content with the vacation allowance? express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.
The probability that he or she will be happy with the travel reimbursement will be 0.705.
The number of people who requested more vacation time indicates that they are plainly dissatisfied.
400 employees are satisfied with the vacation allowance. - The number of workers that requested greater vacation time.
Employees who are satisfied with their vacation pay are represented by the numbers 400 - 118 = 282.
The likelihood that he or she will be happy with the vacation allowance =
Employees that are happy with their vacation pay / Total number of employees
= 282 / 400 = 0.705.
Therefore, the likelihood that he or she will be happy with the vacation allowance = 70.5%
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1. Vanessa works as an event planner during the summer. She makes $50 for every birthday
party she plans and $100 for every wedding she plans. Her goal every summer is to make
$1000 to put towards college. Write an equation that represents the number of parties (x) and
the number of weddings (y) that Vanessa could plan during the summer in order to meet her
$1000 goal:
The required equation for the given condition is 50x + 100y = 1000.
What is an algebraic expression?
An expression constructed using integer constants, variables, and algebraic operations is known as an algebraic expression (addition, subtraction, multiplication, division, and exponentiation by an exponent that is a rational number).
Given, the charge for every birthday party =$50
number of birthday parties = x
So, the total charge for birthday parties = 50x
the charge for every wedding = $100
the number of weddings = y
So, the total charge for the wedding = 100y
Then,
Total amount achieve = $1000
or, 50x + 100y = 1000
Hence, the required equation is 50x + 100y = 1000.
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Look at this graph:
What is the slope?
Answer:
4/3x
Step-by-step explanation:
71.
For what values of x is the above
inequality true? -12>6x
A. x > -6
B. x < -6
C. x < -2
D. x > -2
Solve for x:-
[tex]\sf 5 + 2x = 2x + 6[/tex]
Answer:
No solution (0 = 1)
Step-by-step explanation:
Given equation,
→ 5 + 2x = 2x + 6
Then the value of x will be,
→ 5 + 2x = 2x + 6
→ 2x = 2x + 6 - 5
→ 2x - 2x = 1
→ 0 = 1
Hence, there is no solution.
[tex]\boxed{\begin{array}r \large{ \tt solution \: : } \: \: \: \: \: \\ \\ { \longrightarrow5 + 2x = 2x + 6} \\ \\ \\ ( \sf 2x \: \: present \: \: on \sf\: \: both \: \: \\ \sf sides \: \: of \: \: equality \: \: \: \\ \sf \: \: gets \: \: \sf canceled\: \: out) \\ \\ \sf \longrightarrow5 \neq6 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \\ \tt \: \: therefore \: \: there \: \: is \\ \tt no \: \:solution \: \: for \: \: x \: \: \\ \\ \tt that \: \: is \: \: no \: \: value \: \: \: \: \\ \tt \: of \: \: x \: \: that \: \: satisfies \\ \tt the \: \: given \: \: equation\end{array} }[/tex]
10. Each term in a sequence is generated by
multiplying the previous term by 3 and then
adding 2. If the first term is -3, what will the 6th
term be?
a. -487
b. -165
C. -57
d. 57
e. 165
2
The 6th term is -487 i.e, option(a)
What is a Sequence ?
A sequence is an ordered list of objects (or events). Like a set, it contains members (also called elements, or terms). The number of ordered elements (possibly infinite) is called the length of the sequence.
There are 4 types of sequence, arithmetic sequences, geometric sequences, quadratic sequences and special sequences.
Given, the 1st term = -3
According to question, we get the term by multiplying the previous term by 3 and then adding 2.
Now, calculate the other terms.
so, the 2nd term will be
-3 * 3 + 2 = -7
3rd term
-7 * 3 + 2 = -19
4th term
-19 * 3 + 2 = - 55
5th term
-55 * 3 + 2 = -163
6th term
-163 * 3 + 2 = -487
Hence, the 6th term is -487 i.e, option(a)
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