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Anika [276]
2 years ago
13

A hollow ball is made of rubber that is 2 centimeters thick. The ball has a radius to the outside surface of 6 centimeters. What

is the approximate volume of rubber used to make the ball? Use 3.14 for pi. 33.5 cm³ 267.9 cm³ 636.4 cm³ 904.3 cm³
Mathematics
1 answer:
forsale [732]2 years ago
7 0
Your answer is: 636.4 cm³
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A regression equation that predicts the price of homes in thousands of dollars is t = 24.6 + 0.055x1 - 3.6x2, where x2 is a dumm
AveGali [126]

Answer:

a) On average, homes that are on busy streets are worth $3600 less than homes that are not on busy streets.

Step-by-step explanation:

For the same home (x1 is the same), x2 = 1 if it is on a busy street and x2 = 0 if it is not on a busy street. If x2 = 1, the value of 't' decreases by 3.6 when compared to the value of 't' for x2=0. Since 't' is given in thousands of dollars, when a home is on a busy street, its value decreases by 3.6 thousand dollars.

t(x1, 0)= 24.6 + 0.055x1\\t(x1, 1) = 24.6 + 0.055x1 - 3.6\\t(x1, 1) = t(x1, 0) - 3.6

Therefore, the answer is a) On average, homes that are on busy streets are worth $3600 less than homes that are not on busy streets.

8 0
3 years ago
What is the end behavior of f(x) = 5x 3 - 2x + 5?
Setler [38]

Answer:

It falls to the left and falls to the right. You can use Geogebra. There you just type the formula and it makes graph from which you can see the directions

6 0
3 years ago
Read 2 more answers
11
7nadin3 [17]

Answer:

1.5 because it is the average of the two middle numbers in this scenario.

7 0
3 years ago
Which graph shows the solution set for Negative 4.4 greater-than-or-equal-to 1.6 x minus 3.6?
____ [38]

Answer:

A number line going from negative 7 to negative 1. A closed circle is at negative 5. Everything to the right of the circle is shaded.

Step-by-step explanation:

-4.4 ≥ 1.6 x - 3.6

Solving for the value of x,

1.6 x ≤ -4.4 + 3.6

 1.6 x ≤ - 0.8

Dividing 1.6 from both sides to know value of x

x ≤ - 0.5

8 0
3 years ago
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Can u answer with steps?
nasty-shy [4]

Answer:

if a:c=2:3 andb:c=3:4therefore a:c=2:4

8 0
2 years ago
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