Answer:25256
Step-by-step explanation:
Tell whether x and y show a positive, negative, or no relationship.
The coordinates of x and y on the graph can not form a function.
x and y do not show any relationships.
What are coordinates in a graph?The coordinates in a graph indicate the location of a point with respect to the x-axis and y-axis.
The coordinates in a graph show the relationship between the information plotted on the given x-axis and y-axis.
We have,
The coordinates from the graph.
(2, 0)
(2, 1)
(-1, 2)
(1, 3)
(0, -1)
(2, -3)
(-1, -1)
(3, -2)
We can say that,
A function can not have one to many.
We have,
(2, 0), (2, 1), and (2, -3).
This means,
For x = 2, y = 0, 1, -3.
This is not possible.
Thus,
The coordinates of x and y on the graph can not form a function.
x and y do not show any relationships.
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23. Amy says, "To find 50 x 20, I multiply 5 x 2 and then place the total number of zeros in both factors at the end." Do you agree? Explain.
That is one way to find out the answer
A carpenter needs 8.5 feet of rope for a project. How much will the carpenter spend if the rope costs $4.57 per foot?
Answer: The carpenter will spend $38.84
Step-by-step explanation:
8.5 feet of rope and the rope costs 4.57 per foot
8.5x4.57=38.845
Since half a cent does not exist we can get rid of the 5 at the end
Therefore the carpenter will have to spend $38.84
Unless you want to round it up, then it will be $38.85
Frances owns a landscaping business. She has 425 plants and is placing an equal number of plants into 47 yards. After planting, how many plants will she have left to take home and plant in her own yard?
A. 0 plants
B. 1 plant
C. 2 plants
D. 3 plants
Which of these is not the net of a cube?
a)
b)
B
C
D
Only 1 attempt allowed
Answer: b)
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Irma and Cindy went to an arcade where the machines took tokens. Irma played 9 games of
skee ball and 10 games of pinball, using a total of 58 tokens. At the same time, Cindy played
5 games of skee ball and 4 games of pinball, using up 26 tokens. How many tokens does
each game require?
Every game of skee ball requires how many tokens?
and every game of pinball requires how many tokens?
Every game of skee ball game requires 2 tokens and every game of pin ball game require 4 tokens.
Given that,
Cindy and Irma visited an arcade where the games accepted tokens. Irma used 58 tokens in total while playing 9 games of skee ball and 10 games of pinball. Cindy used up 26 tokens playing 5 games of skee ball and 4 games of pinball concurrently.
We have to find how many tokens are needed for each game. How many tokens are required for each skee ball game.
Let us take the skee balls as x and the pin ball as y.
We get,
9x+10y=58---> equation (1)
5x+4y=26---> equation (2)
Multiply equation (1) with 5 and equation (2) with 9.
5(9x+10y=58)⇒45x+50y=290
9(5x+4y=26)⇒45x+36y=234
------------------------ (subtracting those equation)
0+14y=56
14y=56
y=56/14
y=4
Substitute y=4 in equation(2)
5x+4y=26
5x+4(4)=26
5x+16=26
5x=26-16
5x=10
x=10/5
x=2
Therefore, Every game of skee ball game requires 2 tokens and every game of pin ball game require 4 tokens.
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On May 1st, the temperatures at midnight in five European cities were
measured and the results were as follows.
Glasgow 2°C,
Nice 6°C,
Berlin 0°C,
London 4°C, Oslo -3°C
List the cities in order of the temperature at midnight, starting with the lowest.
1/2 : 2/3 = X:1
[1 mark]
The value of X for the given equation is X = 3/4.
What are the ratio and proportion?A percentage is the equality of two ratios, while a ratio is the divisional comparison of two numbers. As well as being written as x: y or x/y, ratios are sometimes expressed as x is to y.
A proportional equation declares that two ratios are similar on a comparative basis. A ratio means that x is to y as z is to w and is represented as x: y: z: w. Since w and y are not equal in this situation, x/y = z/w.
The given equation is
1/2 : 2/3 = X:1
We can rewrite it as
(1/2)/ (2/3) = X
X = 1/2 × 3/2
X= 3/4
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Sasha is studying a type of coral that grows at a constant rate. Every month, she visits two pieces of the coral and measures their heights. She made this table:
Month 1 2 3
Piece A's height (cm) 24 26 28
Piece B's height (cm) 27 29 31
When Piece A's height is 49cm, what will Piece B's height be?
Answer:
Step-by-step explanation: The constant growth for Plant A is two cm a month and the growth of Plant B is also two cm a month.
In relation, Plant B will also be 3cm taller than Plant A on any month so when Plant A is 49cm, Plant B is 52.
When Piece A's height is 49 cm then the Piece B's height will be 52 cm.
What is Statistics?Statistics is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data.
We can see that Piece A's height increases by 2 cm each month and Piece B's height increases by 2 cm each month as well.
To find out what Piece B's height will be when Piece A's height is 49 cm, we need to find how many months it will take for Piece A to reach 49 cm.
From Month 1 to Month 2, Piece A's height increased by 2 cm, and from Month 2 to Month 3, Piece A's height increased by another 2 cm. Therefore, Piece A's height increases by 2 cm per month.
To go from 28 cm (Piece A's height in Month 3) to 49 cm, it takes 21 cm ÷ 2 cm/month = 10.5 months.
So 10.5 months after Month 3 is Month 13.5.
In Month 13.5, Piece A's height will be 49 cm and Piece B's height will be:
Piece B's height in Month 3 + 2 cm/month × (13.5 - 3 months)
= 31 cm + 2 cm/month × 10.5 months
= 52 cm
Therefore, when Piece A's height is 49 cm, Piece B's height will be 52 cm.
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Write the equation for the absolute value function graphed
Thank you!
The equation for the absolute value function is y = -2lx-4l + 2
An absolute value function is what?
A function that surrounds an algebraic expression in absolute value symbols is called as an absolute value function. Remember that a number's distance from 0 on the number line represents its absolute value. The definition of the absolute value parent function is given as follows: f(x)=x if x>00 if x=0 if x0.
Y=a| x+h |+k is the form of the equation for an absolute value function. Also:
The graph's vertex is (h,k).
The range of the graph is y≥k for a>0 and its domain is a set of all real numbers.
The range of the graph is y≤k when a0, and its domain is a set of all real numbers.
X=h is the symmetry axis.
If a>0, it opens up; if a0, it opens down.
The graph of y=a| xh |+k can be created by translating the line graph y=| x | by h units horizontally and k units vertically.
If | a | 1 and if | a | >1, the graph of y=a| x | is wider than the graph of y=| x | and narrower.
So here (h,k)=(4,2)
range of y≤2
and its narrower so a≥1
hence the equation is y = -2 l x-4 l +2
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reggiethenerd10 what is (8.7 + 3.3) x (1/2) 2 to the second power
Answer:
3
Step-by-step explanation:
The value of the operation is 3.
The first step is to solve for the terms in the brackets.
The decimals would be added first 8.7 + 3.3 = 12
The second step is to determine the square of one-half² = x = 1/4
The third step is to multiply, 1/4 by 12 1/4 x 12 = 3
For every 1/3 cups of flour, there are
7/8 cups of pumkin. How much flour (in
cups) should I use for 1 cup of
pumpkin?
Answer: 0.4176 cups of flour
Step-by-step explanation: First you'll need to convert both amounts to the same denominator, using their LCM, which is 24. 1/3 x 8 = 8/24, 7/8 x 3 = 21/24. Then calculate what you need to multiply 21/24 with to get 24/24, 21/24 = 0.875 1.000- 0.875 = 0.125. Finally, multiply 1/3 by 0.125 which is 0.416... / 0.4167, so you'll need 0.4167 cups of flour, or 4,167/10,000 of a cup os flour.
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The slope of the given line in the graph is 0.
What is slope?
The steepness and direction of a line are measured by its slope. Any two points along the line can be used to calculate it. A line's steepness is determined by its slope. In mathematics, slope is determined by "rise over run" (change in y divided by change in x). The Slope, also known as the Gradient, of a straight line displays how steep the line is. The change in y coordinate relative to the change in x coordinate is known as the slope of an object.
Here the given graph points are,
[tex](x_1-y_1)=(1,1)\\(x_2,y_2)=(4,1)[/tex]
Using slope formula ,
=> slope m = [tex]\frac{y_2-y_1}{x_2-x_1}[/tex]
=> slope m = [tex]\frac{1-1}{4-1}[/tex]
=> slope m = 0/3
=> slope m=0.
Therefore slope of the line is 0.
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A line passes through point (-2, 8) and has a slope of -5. Write an equation in Ax + By =C form for this line. Use integers for A, B, and C.
25 points
The equation of line with a slope of -5 and which passes through point (-2, 8) is 5x + y = -2.
What is the equation of line with the given point and slope?The formula for equation of line is expressed as;
y = mx + b
Where m is slope and b is y-intercept.
Given the data in the question;
Point (-2,8)
x = -2y = 8Slope m = -5First, we determine the y-intercept 'b'. Plug the coordinates and slope into the equation of line formula and solve for b.
y = mx + b
8 = (-5)(-2) + b
8 = 10 + b
b = 8 - 10
b = -2
Now, plug values of slope m and y-intercept b into y = mx + b to determine the equation of the line.
y = mx + b
y = (-5)x + (-2)
y = -5x - 2
Convert to standard form; Ax + Bx = C
y = -5x - 2
Reorder the equation
5x + y = - 2
Therefore, the equation of the line is 5x + y = - 2.
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The scatterplot illustrates the relationship between distance and success rate of field-goal attempts for a sample of football kickers.
Which of the following is an accurate description of the scatterplot?
The kickers have unusually low success rates when the distance is large.
The kickers have unusually high success rates when the distance is small.
As the distance of the attempt increases, the kickers have a lower success rate for their field goals.
As the distance of the attempt increases, the kickers tend to have a lower success rate for their field goals.
The statement that best describes the relationship that is displayed by the scatter plot is: D. As the distance of the attempt increases, the kickers tend to have a lower success rate for their field goals.
What is a Scatter Plot?A scatter plot is used to show the relationship between two variables that are different, whereby the trendline formed by each data point determines whether the relationship between the two variables is negative or positive.
If the trendline slopes upwards, it is positive, if it slopes downwards, it is negative.
If it is negative, it means as one variable increases, the other one decreases. On the other hand, if it is positive, it implies that as one variable increases, the other variables decreases.
The scatter plot given shows that the relationship between the distance of the attempt and success rate is negative. This implies that, as the distance of the attempt increases, the success rate decreases.
Therefore, the accurate description is: D. As the distance of the attempt increases, the kickers tend to have a lower success rate for their field goals.
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Answer:
D. as the distance of the attempt increases, the kickers tend to have a lower success rate for their field goals.
Step-by-step explanation:
Complete the two column proof.
The two-column table to prove ∠ABC ≅ ∠DBE using the angle addition postulate is presented as follows;
Statements [tex]{}[/tex] Reasons
1. ∠ABD is a right angle [tex]{}[/tex] 1. Given
∠CBE is a right angle
2. ∠ABD are complementary [tex]{}[/tex] 2. Definition of complementary angles
3. ∠CBE are complementary [tex]{}[/tex] 3. Definition of complementary angles
4. ∠ABC ≅ ∠DBE [tex]{}[/tex] 4. Congruent complements theorem
What is the angle addition postulate?The angle addition postulate states that the when two angles are placed side by side such that they share a common ray, the measure of the angle formed by the two angles is the sum of the measure of the individual angles.
∠ABD = ∠ABC + ∠CBD (angle addition postulate)
∠ABD = 90° (definition of right angle)
∠ABC + ∠CBD = 90° (substitution property of equality)
∠ABC and ∠CBD are complementary (definition of complementary)
Similarly
∠CBE = ∠CBD + ∠DBE (angle addition postulate)
∠CBE = 90° (definition of right angle)
∠CBD + ∠DBE = 90° (substitution property of equality)
∠CBD and ∠DBE are complementary (definition of complementary)
∠ABC is a complementary angle to ∠CBD and ∠DBE is a complementary angle to ∠CBD
Therefore;
∠ABC is congruent to ∠DBE (congruent complements theorem)
∠ABC ≅ ∠DBEThe congruent complement theorem states if an angle ∠A is a complement to an angle ∠C and if an angle ∠B is also a complement of angle ∠C then ∠A is congruent to ∠B.
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on saturday leon biked an average speed of 14.5 miles per hour for 1.5 hours. then on sunday he biked an average speed of 15 miles per hour for 2.75. what was the total distance leon biked in miles that weekend
The total distance leon biked in miles that weekend is 19.5 miles.
The answer provided below has been developed in a clear step by step manner.
On Saturday, Leon biked 1.5 hours at a speed of 14.5 miles per hour that means distance = 14.5 * 1.5 = 21.75 miles
On Sunday, he biked 2.75 hours at a speed of 15 miles per hour that means distance =15 * 2.75 =41.25 miles
Distance = speed*time use this formula
He farther did in sunday = 41.25 - 21.75 miles = 19.5 miles
Therefore, that weekend Leon rode his bike a total of 19.5 miles.
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Can anyone write the equation of the graph?
The equation of the graph represented by the figure is f(x) = |x - 3| + 5
How to find the equation of the graph line?From the question, we have the following graph that can be used in our computation:
The graph is an absolute value graph
As a general rule, an absolute value is expressed as
y = |x - h| + k
In this case, the vertex is
Vertex = (h, k)
As a general rule, the vertex of a function is the minimum point on the graph
On the given graph, the minimum point is (3, 5)
This means that
(h, k) = (3, 5)
Substitute the values (h, k) = (3, 5) in the equation y = |x - h| + k
So, we have the following representation
y = |x - 3| + 5
Rewrite the equation as a function
f(x) = |x - 3| + 5
Hence, the equation is f(x) = |x - 3| + 5
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What is the equation of the line in slope-intercept form?
Write your answer using integers, proper fractions, and improper fractions in simplest form.
Answer:
y = [tex]\frac{1}{6}[/tex] x + 9
Step-by-step explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
calculate m using the slope formula
m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]
with (x₁, y₁ ) = (0, 9) and (x₂, y₂ ) = (6, 10) ← 2 points on the line
m = [tex]\frac{10-9}{6-0}[/tex] = [tex]\frac{1}{6}[/tex]
the line crosses the y- axis at (0, 9 ) ⇒ c = 9
y = [tex]\frac{1}{6}[/tex] x + 9 ← equation of line
In ΔTUV, m∠T = 58° and m∠U = 97°. Which list has the sides of ΔTUV in order from longest to shortest?
The angle ∠U is the largest in triangle ΔTUV. Then the largest side will be TV.
What is the triangle?The polygonal shape of a triangle has a number of sides and three independent variables. Angles in the triangle add up to 180°.
In ΔTUV, m∠T = 58° and m∠U = 97°.
Then the third angle of the triangle will be given as,
∠T + ∠U + ∠V = 180°
58° + 97° + ∠V = 180°
155° + ∠V = 180°
∠V = 180° - 155°
∠V = 25°
In a triangle, the opposite angle of the largest side will be the largest one.
The angle ∠U is the largest in triangle ΔTUV. Then the largest side will be TV.
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PLEASE HELP
Write the equation of a line that is perpendicular to y = 5 and that passes through the point
(-7, --5).
The equation of the line that is perpendicular to y = 5 and that passes through the point (-7, -5) is x = -7.
We have to find the equation of a line that is perpendicular to y = 5 and that passes through the point (-7, -5).
y = 5 is a line that is parallel to the x-axis hence, the line perpendicular to it will be parallel to the y-axis.
Also, the line touches (-7,-5) hence, it will touch the line y = 5 at (-7,5).
Hence, the line perpendicular to y = 5 and that passes through the point (-7, -5) is x = -7.
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81% of the tickets sold at an amusement park were discount tickets. If the park sold 800 tickets in all, how many discount tickets did it sell?
Answer:
40% = 0.40800 / 0.40 = 2000 total tickets were sold
Step-by-step explanation:
Answer:
648
Step-by-step explanation:
ans: 81/100 x800
=648
the reaction time of a driver to visual stimulus is normally distributed with a mean of 0.4 seconds and a standard deviation of 0.005 seconds. what is the probability that a reaction requires more than 0.5 seconds?
Answer:0.02275
Normal distribution:
Which is symmetrical about mean.
Mean:
It is the dispersion of a dataset relative to its mean and is calculated as the square root of the variance.
Complement rule:
When two disjoint sets are meant to occur then the sets are said to be complementary.
Given:
Mean= 0.4 seconds
Standard deviation= 0.005 seconds
Let, X be the reaction time for the driver to view stimulus.
So, distribution of X is given by:
X~ N( 0.4, 0.005)
Where σ= 0.05 and µ= 0.4
Solving this ques by using normal standard deviation and z score given as:
z=\frac{x-µ}{σ}
Applying formula:
P(X>0.5)= P{(x-µ/σ) > (0.5-µ/σ)} P {Z > (0.5-0.4/0.05)}
=P(Z > 2)
By using complement rule we get,
P(Z>2) = 1- P(Z<2)
Using normal standard table we have,
P(Z>2)=1- P(Z<2)
= 1- 0.97725
= 0.02275
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The probability that a reaction requires more than 0.5 seconds is 0.0227
Z-score standardization:
The amount of standard deviations the data point deviates from the mean is shown by the standardized z-score.
• If the z-score increases when it is higher than the mean (0).
• If the z-score is below the mean and takes a negative value (0).
Given that,
Mean = μ =0.4
Standard deviation = σ =0.005
The probability that a reaction requires more than 0.5 seconds is obtained by;
Let X denotes the reaction time of a driver which follows a normal distribution with a mean of 0.4 seconds and a standard deviation of 0.005 seconds.
P(X > 0.5) = 1 - P(X < 0.5)
= 1 - P(0.4 < X < 0.5) (0.5 - 0.4/0.005)
= 1 - P(25.06)
= 1 - P(252)
From the “standard normal table”, the area to the left of is 0.9773.
P(X > 0.5) = 1 - P(252)
= 1 - 0.9773
= 0.0227
Hence, the probability that a reaction requires more than 0.5 seconds is 0.0227
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Use the number line to plot –3, 1, and 3. Which statements are true? Select all that apply. –3 > 1 –3 = 3 1 < 3 –3 < 1
Answer:
The answer is –3 < 1
Step-by-step explanation:
-3 is below zero. 1 is above zero. therefore, -3 less than 1
Kelly works at her own nail salon. Today, she did 11 manicures and received $55.00 in overall tips. If x represents the cost of each manicure, which of the following equations can be used to find the total amount of money she earned, including tips, for her nail salon today?
Answer:
5
Step-by-step explanation:
Please help ASAP!! Screenshot below. 10 points
Answer:
The answer to this equation is (-1,1)
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Answer:
Answer:table B represents the linear equation which is:[tex]y=-3x+11[/tex]The graph of the linear function is also attached below.Step-by-step explanation:Given the table B values x
11. A carpenter needs to be sure that a frame he has built is rectangular. He knows that the opposite
sides of his frame are congruent. Give one additional fact that would be sufficient to guarantee that the
frame is rectangular.
Given that f(x) = x² + 4x, evaluate f(-2). -12 -8 -4
Answer:
-4
Step-by-step explanation:
(-2)^2 + 4(-2) =
= 4 - 8 =
= -4
31.24 to 1 deecimal place
Round 31.24 to 1 decimal place:
31.2
Answer:31.2
Step-by-step explanation:
you remove the 4 because it is less than 5.