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LenKa [72]
3 years ago
14

Which expression gives the surface area of a sphere with radius r​

Mathematics
2 answers:
PtichkaEL [24]3 years ago
8 0

The correct answer is 4πr^2

ohaa [14]3 years ago
6 0

Answer:

Simple, 4*pi*r^2

Step-by-step explanation:

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An equation with an exponent is called an exponential equation. True False
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true

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You have a summer job that pays double for working overtime. Overtime is determined as the
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J-o+e m=a+m-a

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I don’t understand this can someone help?
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5 0
2 years ago
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Lisa bought an outfit for<br> $37.67. What is $37.67<br> rounded to the nearest<br> whole number?
almond37 [142]

Answer:

Answer is 38

Step-by-step explanation:

if the first digit in the fractional part of 37.67 is less than 5 then you remove the fractional part to get the answer. If the first digit is 5 or above, then you add 1 to the integer and remove the fractional part to get the answer. First digit is 6 - it is 5 and above, you add 1 to the integer and remove fractional part and get 37.67 rounded to the nearest whole number as 38

Hope this helps

8 0
2 years ago
Read 2 more answers
A store had 112 diet sodas. The ratio of diet sodas to regular sodas was 8:4. How many regular sodas were there?
IceJOKER [234]

Answer:

56

Step-by-step explanation:

There are two ways the answer to this question can be determined

<u><em>Method 1 : the fast method </em></u>

We know that 8 is twice 4

4 x 2 = 8

The ratio of diet soda = 8

the ratio of regular sodas = 4

Diet sodas = 112

the number of regular sodas = 112 / 2 = 56

<u><em>Method 2 : The long method </em></u>

I would first determine the total number of diet and regular sodas. Let the total number be represented by d

from the question, the following equation can be derived :

(8/12) x d = 112

divide both sides of the equation by 12/8 to determine the value of d

d = 112 x (12/8) = 168

We can now derive a value for the number of regular soda

regular sodas = ( ratio of regular sodas / total soda) x total number of sodas

(4/12) x 168 = 56

3 0
3 years ago
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