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bulgar [2K]
3 years ago
5

A sphere has a radius of 15 m. If the radius is divided by 5, what is the effect on the surface area?

Mathematics
1 answer:
Romashka [77]3 years ago
5 0
The surface area is multiplied by 5.
The surface area is divided by 5.
The surface area is divided by 25.
The surface area is multiplied by 25.
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8. Solve x/10 = –7. A. x = –0.7 B. x= –17 C. x = –70 D. x = 3
ANEK [815]
For this problem, I believe you would just have to plug in for x.

For example, -17 divided by 10 and so on.

The answer should be C, -70. -70 divided by 10 equals -7. 
4 0
3 years ago
As James bought his textbooks for classes one semester, he estimated the cost to the nearest ten dollars. He knew he could cover
TEA [102]

Answer:

$310

Step-by-step explanation:

The first step is to add the costs of the textbook together :

$68.41 + $105.35 + $72.49 + $59.91 = $306.16

In order to round off to the nearest ten dollars, look at the units figure, if the number is greater or equal to 5, add 1 to the ten figure. If this is not the case, add zero. Replace the unit digit with zero

The unit digit is greater than 6, so 1 is added to the tens digit. The amount becomes $310

8 0
3 years ago
Which value is a solution for-5e-8=-51?
Montano1993 [528]

Answer:

e = - 43/5

Step-by-step explanation:

5e = -51+8

5e = -43 Divide both sides

6 0
3 years ago
The mean temperature for the first 4 days in january was -8 °C.
castortr0y [4]
Hey user

the answer to this is going to be 


2 c


hope this helped

have a good day 

8 0
3 years ago
100,000 random people were tested for Condition A. Roberto's doctor told him he tested positive for Condition A. If the test is
Studentka2010 [4]
The answer would be: <span>99.0%
</span>
The disease is rare with a prevalence of <span>one out of every thousand people have it. That means, the chance of Roberto has the disease without any test would be 1/1000 or 0.1%
The test sensitivity is 99%, which mean 99% of people with positive test result would have the disease. The chance is should not be influenced by the disease prevalence. </span>
7 1
3 years ago
Read 2 more answers
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