3 years ago

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

1 answer:

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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2 years ago

At a NBA, the ratio of the score of team A to the score of team B was 16:21. If team A got 80 points, how many points did team B

nikitadnepr [17]

Answer:

105 points

Step-by-step explanation:

Let's call the scores of Team A and B 16x and 21x respectively. Since 16x = 80, that means x = 5, making Team B's score 21 * 5 = 105.

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3 years ago

Doune Punowing:

nataly862011 [7]

The length of pathway is 10 inches on map.

Step-by-step explanation:

Given,

Total distance = 350 miles

According to map,

1 inch = 35 miles

Let, x be the number of inches on map.

Therefore, using proportion;

Inch : mile :: inch : mile

$1:35::x:350\\$

Product of mean = Product of extreme

$35*x=350*1\\35x=350\\$

Dividing both sides by 35;

$\frac{35x}{35}=\frac{350}{35}\\x=10$

The length of pathway is 10 inches on map.

Keywords: Ratio, proportion

Learn more about proportions at:

#LearnwithBrainly

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3 years ago

Explain how you can tell whether the sum of two integers is positive or negative, before adding them.

julsineya [31]

Answer:

The sum of any integer and its opposite is equal to zero. adding two negative integers always yields a negative sum. To find the sum of a positive and a negative integer, take the absolute value of each integer and then subtract these values.

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What is the answer to this equation

Inessa05 [86]

Answer:

Step-by-step explanation:

all work is pictured and shown

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3 years ago