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lyudmila [28]
3 years ago
12

A prism with a volume of 450 ft³ is dilated by a factor of 2. what is the volume of the dilated prism? enter your answer in the

box.
Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
6 0
3600 cubed because thats what was the answer
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Ostrovityanka [42]
ASAP means as soon as possible. Just kidding. Okay the answer is A. 180-29-29=122.
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A set of n = 25 pairs of scores (x and y values) has a pearson correlation of r = 0.80. how much of the variance for the y score
enot [183]

0.64 or 64% of the variance for the y scores is predicted by its relationship with x.

<h3>What is coefficient of determination?</h3>

The percentage of the variation in the dependent variable that can be predicted from the independent variable is known as the coefficient of determination, abbreviated R2 or r2, in statistics.

<h3>How to find the variance for the y scores?</h3>

given that

A set of n = 25 pairs of scores (x and y values) has a pearson correlation of r = 0.80.

now we have to find the variance for the y scores.

here, r=0.80 then {r}^{2}  = 0.64

which means 0.64 or 64% of the variance for the y scores is predicted by its relationship with x.

r =  \sqrt{ {r}^{2}} \: or \:  \sqrt{ {r}^{2}} \\ 0.80 =  \sqrt{ {0.80}^{2} }   \\ 0.80 = 0.80

Learn more about coefficient of determination,refer:

brainly.com/question/17485791

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4 0
1 year ago
Find the range of possible measures of x if each set of expressions represents measures of the sides of a triangle.
sergiy2304 [10]

Answer:

  • C. x > 3/2

Step-by-step explanation:

<u>According to the triangle inequality theorem, any side length is less than the sum of the other two:</u>

  • x < 2x + 1 + x + 4 ⇒ x < 3x + 5 ⇒ 2x > - 5 ⇒ x > - 2.5
  • 2x + 1 < x + x + 4 ⇒ 2x + 1 < 2x + 4 ⇒ 1 < 4, any value of x
  • x + 4 < x + 2x + 1 ⇒ x + 4 < 3x + 1 ⇒ 2x > 3 ⇒ x > 3/2

<u>Common solution of the three inequalities above is:</u>

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Correct choice is C

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3 years ago
You start with $200 in a checking account each month you withdraw $20. Write an equation to model the amount of money in the che
Rudik [331]

y=the amount of money in the checking account

x=number of months

y=200-20x

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3 years ago
How many roots does the graphed polynomial function have?
TiliK225 [7]
To start, note that the roots of a function have to do with how many times the function passes through the x-axis.

When you look at the graph above, notice that it passes through the x-axis 3 times, at the points (-6,0), (-4,0), and (3,0).

Knowing this, you can conclude that your answer would be choice B.)3
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3 years ago
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