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olasank [31]
3 years ago
12

Need this to pass! please help

Mathematics
1 answer:
nika2105 [10]3 years ago
4 0

Answer:

452.39

Step-by-step explanation:

to find the surface area of a sphere all you need is the radius (half the diameter) and assuming the sphere touches both top and bottom that makes the radius 6 so your equation is

SA=4πr^2

SA=4*π*6^2

SA=4*π*36

SA=4*113.09

SA=452.389

then rounded up to 452.39, that is your answer

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HELP ASSAAAAPPP!!!
galina1969 [7]

Answer:

14

Step-by-step explanation:

Jack drove 278.2 miles on 19.6 gallons of gasoline. then

278.2 miles - 19.6 gallons

x miles - 1 gallon

Write a proportion:

\dfrac{278.2}{x}=\dfrac{19.6}{1}

Cross multiply:

19.6\cdot x=278.2\cdot 1\\ \\19.6x=278.2\\ \\x=\dfrac{278.2}{19/6}\approx 14\ miles

3 0
3 years ago
I am a two digit number above 50. the sum of my digits is twelve and the difference of my digits is 4. who am I?​
Ne4ueva [31]

<u>Answer:</u>

The answer should be 84

<u>Step-by-step explanation:</u>

12 - 4 = 8

8 + 4 = 12

8 - 4 = 4

Hopefully this helps :3 sorry if wrong :( plz mark brainiest if correct :D Your bootiful/handsome! Have a great day luv <3

-Bee~

7 0
3 years ago
3.) Simplify the expression by combining like
Evgesh-ka [11]

45s^2-19-s^2+16\\=45s^2-s^2-19+16\\=s^2(45-1)-19+16\\=44s^2+(-19+16)\\=44s^2-3

Hope that helps and hope you get better!

3 0
2 years ago
Marissa bought 2 and a half gallons of orange juice to make punch how many quarts of orange juice did. Marissa buy
Nookie1986 [14]
The answer is as follows:
There are 2 pints in a quart. 
There are 2 quarts in a half gallon.
There are 2 half gallons in a gallon.
Therefore, we can conclude that there are 10 quarts of orange juice.
7 0
3 years ago
8 8/9 - 5 1/11???????????????????????
saw5 [17]

Hiiii

Answer:

The answer is 4 25/99

4  \frac{25}{99}

5 0
3 years ago
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