Answer:24
Step-by-step explanation:
if x = 8 that mean 2 times 8 which makes 16 and added up to another 8 would be 24 so y=24
in denver, colorado there is a 10% probability of snow on a specific day. How was this probability most likely determined?
In Massachusetts, it has rained 60% of the time on days with identical conditions as this day.
What is meant by probability?The area of mathematics known as probability deals with numerical descriptions of how likely it is for an event to happen or for a claim to be true. A number between 0 and 1 is the probability of an event, where, broadly speaking, 0 denotes the event's impossibility and 1 denotes its certainty.
A probability is a number that expresses the possibility or likelihood that a specific event will take place. Probabilities can be stated as proportions with a range of 0 to 1, or as percentages with a range of 0% to 100%.
Probability is the likelihood that an event will occur.
Given that, there is a 60% chance that it will rain on a particular day.
As a result, 60% of the time on that day it rained.
Therefore, the correct answer is option D. On days with similar conditions as this day, it has rained 60% of the time in Boston, Massachusetts.
The complete question is:
Question: In Boston, Massachusetts, there is a 60% probability of rain on a specific day. How was this probability most likely determined?
Options:
A. On this day each year, it rains 60% of the time.
B. On days with similar conditions as this day, it has rained 60% of the time in Massachusetts.
C. During this month, it rains 60% of the days.
D. On days with similar conditions as this day, it has rained 60% of the time in Boston, Massachusetts
E. The probability was determined randomly.
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If a fair coin is tossed 8 times, what is the probability, rounded to the nearest
thousandth,of getting at least 6 heads?
There is a 7/32 chance of getting exactly 6 heads. Events must be independent of one another and have a probability sum of one in order to be used in the probability.
How to find probability using binomial distribution?The basis for the binomial distribution is the binomial theorem, which is expressed as (a + b)ⁿ = ⁿC₀aⁿb⁰ + ⁿC₁aⁿ⁻¹b¹ + ⁿC₂aⁿ⁻²b²+ ....+ ⁿCₙa₀bⁿ. Events must be independent of one another and have a probability sum of one in order to be used in the probability. A fair coin is tossed eight times, according to the rule. Half the time, you'll receive the head. Moreover, there is a 50% chance of receiving a tail.
The expression of the binomial distribution, [tex]${ }^n C_x p^x q^{n-x}$[/tex], can be used to solve the preceding problem, where n is the total number of trials, x is the favorable number of trials, and p and q are the probabilities of success and failure, respectively. The binomial distribution can be used to calculate the likelihood of receiving a tail 7 times out of 8.
As a result, the likelihood of receiving exactly 6 heads is 1/32.
[tex]$\begin{aligned} \mathrm{P}(\text { exact } 6 \text { heads }) & ={ }^8 \mathrm{C}_6(1 / 2)^6(1 / 2)^1 \\ & =28 \times 1 / 64 \times 1 / 2 \\ & =7 / 32\end{aligned}$[/tex]
As a result, the likelihood of receiving exactly 6 heads is 1/32.
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John needs to have a toilet repaired in his house. The cost of the new plumbing fixtures is $160 and the labor is $80/hr. After how many hours of labor would the cost of the repair job equal the cost of a new toilet of $320?
It would take__ hours of labor for the cost of the repair job to equal the cost of a new toilet.
The number of hours of labor for the cost of the repair job to equal the cost of a new toilet will be 2 hours.
What is a linear equation?A connection between a number of variables results in a linear model when a graph is displayed. The variable will have a degree of one.
The linear equation is given as,
y = mx + c
Where m is the slope of the line and c is the y-intercept of the line.
John needs to have a toilet repaired in his house. The cost of the new plumbing fixtures is $160 and the labor is $80/hr.
Let 'x' be the number of hours and 'y' be the total cost. Then the equation is given as,
y = 80x + 160
The number of hours when he charges $320, then we have
320 = 80x + 160
80x = 160
x = 2
The number of hours of labor for the cost of the repair job to equal the cost of a new toilet will be 2 hours.
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Kirk’s older brother asked the 25 students in his class. 11 students said they think aliens exist what percent of the class is that
45.83% of total student except Alien exits.
What is Percentage?To determine the quantity or percentage of something in terms of 100, use the percentage formula. Per cent simply means one in a hundred. Using the percentage formula, a number between 0 and 1 can be expressed. A number that is expressed as a fraction of 100 is what it is. It is mostly used to compare and determine ratios and is represented by the symbol %.
Given:
Kirk’s older brother asked the 25 students in his class.
Out of which 11 students said they think aliens exist.
let 11 represent x% of total.
So, x% of 24= 11
x/100 (24) = 11
x= 1100/ 24
x= 45.83 %
Hence, the percent is 45.83%.
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what is -1037 + 582 show work
Answer:
-455
Step-by-step explanation:
First lets find what is. -1037 + 582.
With negative number such at the one that you are asking, since it says that you need to add when you found out the real solution it looks like subtracting. Because your adding “ 582 “ to -1037. Your bringing the value UP so now lets figure it out -1037 + 582 = -455.
How did we get that??
Remember like I said on the top /\. It is like subtracting so we can make the problem easier by just making it 1037 - 582. The reason why we are doing minutes because like I said on the top it was a negative number, now lets subtract them:
1037-582=455
Since “ 1037 “ is actually negative we make the number negative. 455
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Answer = -455
A group of 500 middle school students were randomly selected and asked about their preferred television genre. A circle graph was created from the data collected.
a circle graph titled preferred television genre, with five sections labeled drama 14 percent, sports 22 percent, documentaries, reality 20 percent, and sci-fi 20 percent
How many middle school students prefer the Documentaries television genre?
24
76
120
86.4
The number of the students that prefer documentaries is 120.
What is the number that prefer documentaries?We know that in this case, we are dealing with the pie chart and that it is a representation of the preferences of each of the students that we have in the data set that is given.
We can see that;
Number that prefer documentaries = 22 %
Total number of the students = 500
We then have;
Number that prefer documentaries = 22/100 * 500
= 120
Hence, we have 120 students that prefer documentaries.
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Solve for x y=8x y=72 Simplify your answer as much as possible.
Which expression is equivalent to -27+45? A 9(3+5)
The equivalent expression would be -9(3 - 5).
What are equivalent expressions?
Equivalent expressions are different mathematical expressions that simplify to the same value.
The given expression is -27 + 45
We can take the factor of '-9' outside, we get
= -27 + 45
= -9*3 - (-9) * 5
= -9(3 - 5)
Hence, the equivalent expression would be -9(3 - 5).
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PLEASE HELP!!!
Given the figure below shows regular hexagon ABCDEF, answer the following questions. Based on your answers from the previous two questions, is BCEF a rectangle Explain your reasoning using complete sentences. All work should be shown.
Answer:
Step-by-step explanation:
It's literally outlined. Just remove the points D AND A.
CAN SOMEONE PLEASE HELP ME WITH THIS?
Answer:
I believe it is D. (Sorry if I'm wrong!)
Explanation:
Since a flat line would be 180°, you just need to add the answers to the top obtuse angle (138°) until you get 180°, and since they are the same angles on the top and bottom, angle 7 would be the same as angle 6
Determine whether the relation shown in the table is a function. Justify your reasoning.
The relation shown in the table is not a function.
What is function?A function is a process or set of instructions that takes inputs, performs a specific task, and produces an output. Functions are key components of programming languages, allowing the coder to create complex commands with simple instructions. For example, a function can be used to add two numbers together or to generate a random number. Functions can also be combined to create more complex sequences of instructions.
This is because for the input of x = 9, there are two corresponding outputs of y, namely 6 and 4. This does not satisfy the definition of a function, which states that for any given input, there must be only one output. Therefore, the relation shown in the table is not a function.
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HELP PLS I would really appreciate help
The sentence "four divided by one whole number, one over three" describes the equation and will have a result equal to three.
How to write equation in sentenceThe equation:
[tex]4 \div 1\frac{1}{3} [/tex]
can be represented with the sentence;
"four divided by one whole number, one over three".
And when we change the mixed number to a single fraction and the division sign to multiplication,we have;
[tex]4 \times \frac{3}{4} = 3[/tex]
Therefore, the sentence
"four divided by one whole number, one over three" can be use to describe the equation and when evaluated will give a result 3.
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A recipe for biscuits says to mix 5 ounces of milk with 20 ounces of flour.
How many ounces of milk are there for every ounce of flour?
Milk (oz) Flour (oz)
5 20
1
4
1
You got it!
How many ounces of flour are there for every ounce of milk?
Milk (oz) Flour (oz)
5 20
1
4
1
1
4
Answer: 4
Step-by-step explanation:
The quotient of 8 and s
A calf raiser mixes a batch of milk replacer for 15 calves. Each calf gets two
quarts of milk replacer. If the calf raiser uses 960 oz. of replacer and needs to
add 34 as much water as milk replacer, how many ounces of water does she need?
Answer:
The calf raiser uses 960 oz of milk replacer for 15 calves, so each calf gets 960 oz / 15 = 64 oz of milk replacer.
To convert this to quarts, we need to divide by 32 (since there are 32 oz in a quart)
64 oz / 32 oz/quart = 2 quarts
Each calf gets 2 quarts of milk replacer and the calf raiser needs to add 34 as much water as milk replacer
So the total amount of water she needs is 2*34 = 68 quarts
To convert the quarts of water to ounces we need to multiply by 32 (since there are 32 oz in a quart)
68 quarts * 32 oz/quart = 2176 oz of water.
So the calf raiser needs 2176 ounces of water to mix with the milk replacer for 15 calves.
There are 3 military horses and 4 ordinary horses. Together 1 military horse and 1 ordinary horse can pull 40 dan of supplies. The team of horses can pull 137 dan of supplies. One dan is a unit of mass. How many supplies can 1 ordinary horse pull? how many supplies can 1 military horse pull?
For this problem write and solve a system of equations to answer the question. Then check the solution.
The 1 ordinary horse can pull the 17 dan of supplies. The 1 military horse can pull the 23 dan of supplies.
What is an equation?
An equation is an expression that shows the relationship between two or more numbers and variables.
A mathematical equation is a statement with two equal sides and an equal sign in between. An equation is, for instance, 4 + 6 = 10. Both 4 + 6 and 10 can be seen on the left and right sides of the equal sign, respectively.
We are given that There are 3 military horses and 4 ordinary horses. Together 1 military horse and 1 ordinary horse can pull 40 dan of supplies. The team of horses can pull 137 dan of supplies.
Let x = military horses
y = ordinary horses
So, 3x + 4y = 137
x + y = 40
Solving;
x + y = 40
x = 40 -y
Thus, 3(40 -y) + 4y = 137
120 - 3y + 4y = 137
y = 17
x =23
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What is the measure of angle N in the
figure below?
56° M
A 14°
B 42°
C 56°
D 82°
E 90°
N
138°
The angle N is 56 degrees.
What is exterior angle theorem?
The exterior angle theorem states that the measure of an exterior angle of a triangle is equal to the sum of the measures of the two remote interior angles. This theorem can be expressed mathematically as follows:
Exterior Angle = Interior Angle 1 + Interior Angle 2
This theorem is useful for finding the measure of an unknown exterior angle when the measures of the two remote interior angles are known.
This problem can be determined by using the exterior angle theorem,
In this case, the measure of angle N is equal to the sum of the measures of angles M and 138°,
which is
56° + 138° = 194°.
Thus, the measure of angle N is 56°.
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Which explains how to determine 40% of 50?
Find 10% of 50 by dividing 50 by 10. Then multiply the result by 4.
Find 10% of 50 by dividing 50 by 10. Then multiply the result by 40.
Find 50% of 40 by dividing 40 by 2. Then multiply the result by 4.
Find 50% of 40 by dividing 40 by 2. Then multiply the result by 40.
The best explanation for determining 40% of 50 is A. Find 10% of 50 by dividing 50 by 10. Then multiply the result by 4.
What is the percentage?The percentage is a way of expressing one value in relative terms or as a ratio to another.
Percentages are quotients of the numerator divided by the denominator, multiplied by 100.
Percentages represent ratios of one variable or value compared to another, like other fractional values.
40% of 50 = 20
10% of 50 = 5 (50/10)
5 x 4 = 20
Thus, among the given options, Option A is the best way to determine 40% of 50.
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Solve the equation and enter the value of x below.
3x+ (-8)= -71
Answer here
[tex]3x+(-8)=-71[/tex]
Simplify:
[tex]3x-8=-71[/tex]
Add 8 to both sides:
[tex]3x-8+8=-71+8[/tex]
[tex]3x=-63[/tex]
Divided both sides by 3:
[tex]\dfrac{3x}{3} =\dfrac{-63}{3}[/tex]
[tex]\fbox{x = -21}[/tex]
Identify the dependent and independent variables.
To lease my car, I had to put down $2500, plus I pay $299 per month for 5 years.
The dependent variable is the total cost of leasing the car while the independent variable is the number of months that the car is leased.
What is the independent variable?We know that when we talk about the independent variable, we have to look at the variable that changes and as this variable changing, there would be a change in another variable.
In the case that we have here, we can see that as the number of months is changing, so does the total cost. As such, the total cost would be the dependent variable while the number months would be the independent variable.
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StartFraction 32 Over 8 EndFraction = StartFraction 28 Over x EndFraction
a.
x = 4
c.
x = 8
b.
x = 28
d.
x = 7
The value of x for the expression in form of fractions is, 7. So Option D is correct
What is a fraction?Fraction is a mathematical term, which represents the portion or sub-parts of the whole thing. Basically, It has two parts: numerator and denominator.
Numerator is a number which lies on the top side, it indicates the number of equal parts taken and denominator is on the bottom side, it indicates the equal parts of the whole number.
Given that,
First fraction ,
32/8
Second Fraction,
28/x
The value of x = ?
According to given condition,
32/8 = 28/x
Here, the rules of algebra can be used
1. If a number is in division operation then when it goes to another side of equal to, it will be in multiplication operation or vice-versa.
2. If a number is in addition operation then when it goes to another side of equal to, it will be in subtraction operation or vice-versa.
Now, applying rules of algebra in the expression,
⇒ 32/8 = 28/x
⇒ 4 = 28/x
⇒ x = 28/4
⇒ x = 7
Therefore, the value of x is 7
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Tell wether y=1/x shows direct variation, inverse variation, or neither. Explain your reasoning PLEASE
Answer:
Inverse variation.
Step-by-step explanation:
I would say inverse variation because inverse variation is represent as, y=k/×. And deals with division.
While direct variation is represented with, y=kx. And deals with multiplication.
Unit 10: Circles
Homework 5: Inscribed Angles
age document! **
2.
B
P
Р
D
A
34
m/ABC =
The m∠ABC is 17°. The solution is obtained using the concept of inscribed angle.
What is inscribed angle?Two chords with a shared termination point on the circle make up an inscribed angle in a circle. The vertex of the angle is this common terminal point. In other words, an angle is said to be inscribed if its vertex is on a circle and both of its sides are chords of the same circle.
An inscribed angle's measurement is equal to half of an intercepted arc's measurement.
It is shown in the figure that length of the arc is 34°.
We are given that ∠ABC is an inscribed angle.
We know that an inscribed angle is half of the arc it comprises.
So, m∠ABC= 34/2
= 17°
Hence, the m∠ABC is 17° .
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Amy counts butterflies for a science project.
She wants to know how many more butterflies she saw this month than in the past 4 months.
First she adds the number of butterflies she saw in the past 4 months.
She calls this number b. What should Amy do next?
Since Amy is determining the difference between the number of butterflies she saw in the past 4 months (figure A) and this month (figure B), her next step is to subtract figure A from figure B.
What is the difference?The difference between the two figures or numbers is the result of a subtraction operation.
A subtraction operation, which is one of the four basic mathematical operations, involves the minuend, subtrahend, and difference, using the minus sign (-) and the equal symbol (=).
Thus, Amy's next step is a subtraction operation to find the difference.
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If h(y)=4−y^2/3−y , which of the following is not defined?
The value which is not defined is h(3).
What is Function?A function is a relation from a set A to a set B where the elements in set A only maps to one and only one image in set B. No elements in set A has more than one image in set B.
Given expression of function is, h(y) = [tex]\frac{4-y^2}{3-y}[/tex]
The function will not be defined when the value of the denominator equals zero.
That is,
3 - y = 0
or y = 3
Hence the function is not defined for when the value of y is 3.
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The complete question is :
If h(y)=4−y^2/3−y , which of the following is not defined?
(a) h(0)
(b) h(3)
(c) h(-3)
(d) h(2)
(e) h(-2)
Please help me with this asap
Answer:
4
Step-by-step explanation:
EXERCISE 6
1. Which is warmer: -5 °C or -7 °C?
2. By how many degrees is 29 °C warmer than -7 °C? 36
3. By how many degrees is -2 °C colder than 7 °C? degres
4. Suppose the temperature at midday was 21 °C. By sunset it had dropped by 9 °C. What was the temperature at sunset? Hlw-.
5. The temperature on a cold winter's day in Vancouver, Canada was -4 °C. It increased by 6 °C by midday. What was the midday temperature?
6. The following day in Vancouver started out at -1 °C and got four degrees colder by nightfall. What was the temperature at nightfall?
7. Two days later, the temperature started out at 2 °C, but fell nine degrees after it snowed. What was the temperature after it had snowed? ad calculations with numbers
Answer:
1. -7, if you plot it on a number line, -7 is farther down.
2. You already solved this
3. 7 - (-2) = 7+2 = 9
4. 21 - 9 = 12 degrees C
5. 2 degrees C
6. -5 degrees C (-1 - 4)
7. 2 - 9 = -7 degrees C
Find the distance from Link to the Red Soldier so Link can attack. Press "Submit" to check your work.
Answer: just make a guess because we do not do that here sorry can i help u with something diffrent
Step-by-step explanation:
5 |z+3| ≤ 35
Express your answer in interval notation.
Answer:
[ -10,4]
Step-by-step explanation:
if 20% is 32 what is 25%?
Answer: 25 percent is 40