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3 years ago

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Mathematics

1 answer:

Ostrovityanka [42]3 years ago

4 0

Answer:

V = 14130 inches cubed

Step-by-step explanation:

the volume formula for a sphere is $V=\frac{4}{3} \pi r^{3}$ . To solve plug in the values for each part of the equation. Pi will equal 3.14, and r will equal 15.

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Choose the Theorem needed to find x, then find x.

Maru [420]

Answer: triangle sum , x= 9

Step-by-step explanation:

The triangle angle sum theorem states that the 3 interior angles of a triangle sum to 180 degrees. Add all of the angle measures together and set equal to 180. (3x-4)+(5x-7)+(13x+2) = 180. Combine like terms. 21x -9 = 180. Add 9 to both sides. 21x= 189. Divide both sides by 21. X = 9

5 0

3 years ago

7500 dollars is placed in an account with an annual interest rate of 7.75%. To the nearest year, how long will it take for the a

MakcuM [25]

Answer:

It will take 55 years for the account value to reach 38200 dollars

Step-by-step explanation:

This is a simple interest problem.

The simple interest formula is given by:

$E = P*I*t$

In which E are the earnings, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.

After t years, the total amount of money is:

$T = E + P$ .

In this problem, we ahve that:

$T = 38200, P = 7500, I = 0.075$

First we find how much we have to earn in interest.

$38200 = E + 7500$ .

$E = 38200 - 7500$

$E = 30700$

How much time to earn this interest?

$E = P*I*t$

$30700 = 7500*0.075*t$

$t = \frac{30700}{7500*0.075}$

$t = 54.6$

Rounding up

It will take 55 years for the account value to reach 38200 dollars

5 0

4 years ago

Read 2 more answers

276x^2−136x+869+−5184x+6

iragen [17]

Answer:

$276x^{2} -5320x +875$

Step-by-step explanation:

Collect like terms and calculate the sum

7 0

3 years ago

Sonia is planning a rectangular vegetable garden using a roll of border fencing that is 45 3/4 feet long. If she makes the width

Verizon [17]

Answer: 12 3/8 10 1/2 + 10 1/2= 21 45 3/4 - 21 = 24 3/4 24 ÷ 2 = 12 Change the 3/4 into 8ths = 6/8 Divide that in half which gives you 3/8 So the length is 12 3/8

5 0

3 years ago

Read 2 more answers

More help plzzz!!!!!!

pantera1 [17]

200 grams, b/c 1.6 kg converted to grams is 1600grams, divided by 8 pots; therefore 200g

5 0

3 years ago