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joja [24]
3 years ago
6

Please help me with this questionnn

Mathematics
1 answer:
Llana [10]3 years ago
6 0

Answer:

V = 1436.76

Step-by-step explanation:

<u>Formula:</u>

V = 4/3πr³

<u>Given:</u>

r = 7

<u>Work:</u>

V = 4/3πr³

V = 4/3π(7³)

V = 4/3π(343)

V = 1436.76

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The sum of 3 times a number and 7 is equal to 5. (translate into an equation)
anyanavicka [17]

Answer:

let n be the number then the sum of this number and 7 is n +7 and 3 times this sum is 3(n +7) 5 times the number less thirteen is 5n − 13

Step-by-step explanation:

8 0
3 years ago
Round 14,456 to nearest ten
V125BC [204]

Answer:

14,460.

Step-by-step explanation:

14,456 up by 4. anything 6 or above goes up. the tenth place is the second to last number.

7 0
3 years ago
Subtract.<br> (-9r - 3) - (7r - 1)<br> Submit
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Answer:

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Step-by-step explanation:

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3 years ago
Sam deposits $1,000 into an account that pays 6% simple interest annually. He plans to take the money out after 3.5 years. What
lara31 [8.8K]
Well, the formula for simple interest is 

I=prt

"I" is interest, "p" is the principal, "r" is the rate, and "t" is the time.

If you substitute the numbers, you get

I=1,000(0.06)(3.5)

When you multiply them together, you get 

I=210

So, the simple interest for 3.5 years is $210.

But, in order to get the total balance, you have to add the interest and the principal together.

B=1000+210 \\ B=1210

So, the balance after 3.5 years is $1,210.
5 0
3 years ago
Read 2 more answers
Consider the arithmetic sequence 10,12,14,16 if n is an integer, which of these functions generate the sequence?
BaLLatris [955]

Given:

The arithmetic sequence is:

10, 12, 14, 16, ...

To find:

The function that generates the given sequence if n is an integer.

Solution:

We have,

10, 12, 14, 16, ...

Here, the first term is 10 and the common difference is:

d=a_2-a_1

d=12-10

d=2

The nth term of an arithmetic sequence is:

a_n=a+(n-1)d

Where, a is the first term, d is the common difference and n\geq 1.

Putting a=10,d=2 in the above formula, we get

a_n=10+(n-1)2

a_n=10+2n-2

a_n=8+2n

Therefore, the function a_n=8+2n, n\geq 1 generates the sequence.

6 0
3 years ago
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