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telo118 [61]
3 years ago
12

A

Mathematics
1 answer:
Llana [10]3 years ago
3 0

Answer:

V = 4.84 × 10⁷ km³

Step-by-step explanation:

Volume of Sphere = \frac{4}{3}\pi r^3

<u><em>Where r = 3400 km</em></u>

V = \frac{4}{3} (3.14)(3400)^3

V = (4)(3.14)(11,560,000)/3

V = 48,422,415 km³

<u><em>Upto 3 sfs:</em></u>

V = 4.84 × 10⁷ km³

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Peter has 12 dollars in his pocket and James has 15 dollars. They want to give money to each other. How much money will they hav
Luden [163]

Answer: Three Dollars

Step-by-step explanation: The factors and prime factorization of 12 and 15. The biggest common factor number is the Greatest Common Factor number. So the greatest common factor 12 and 15 is 3.

If you think about it it is just greatest common factor.

the factors of 12 are     1, 2, 3, 4, 6, 12

The factors of 15 are    1, 3, 5, 15

the highest number they have in common is 3

so the answer to your question is three.

3 0
3 years ago
Read 2 more answers
Subtract 2+ 3a2 -12ab +4b2 from 1+ 8a2+16ab +2b2​
Anvisha [2.4K]

The answer of the following subtraction is 5a^{2} -2b^{2} +28ab

Step-by-step explanation:

As per the question the equation will be

(1+8a^{2}+16ab+2b^{2}  ) - (2+3a^{2} -12ab+4b^{2}  )

To find the subtraction,

The steps are as follow

=1+8a^{2} +16ab+2b^{2} - 2 -3a^{2} +12ab-4b^{2}

=1-2 + 8a^{2} -3a^{2} +2b^{2} -4b^{2} +16ab+12ab

[ we took the variables with same power together]

=5a^{2} -2b^{2} +28ab

Hope it helps you.

3 0
4 years ago
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Okay I told me it was two plus two please
nignag [31]

two plus two is four

2+2=4

8 0
3 years ago
a student has scores of 74%, 78% and 70% on three exams. What score is needed on a fourth exam for the student to earn an averag
Anna [14]

(74 + 78 + 70 + x) / 4 = 80

Divide each number by 4.

18.5 + 19.5 + 17.5 + x = 80

Add the numbers you know so far.

18.5 + 19.5 + 17.5 = 55.5

You need 24.5.

Now, since we divided all the others by 4, we have to multiply 24.5 by 4 to see what the exam score would be.

24.5 * 4 = 98.

To get an average of 80%, the student would need to get a 98 on their fourth exam.



5 0
3 years ago
How many meters in a mile?
denis23 [38]
There are about 1609.34 meters in a mile
4 0
3 years ago
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