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iris [78.8K]
3 years ago
7

Raul deposited $3000 into a bank account that earned simple interest each year. After 3.5 years, he had earned $262.50 in intere

st. If no money was deposited into or withdrawn from the account, what was the annual interest rate? Enter your answer in the box.
Mathematics
2 answers:
exis [7]3 years ago
8 0
I=prt,,262.5=3000*3.5 r,,r=262.5/3000*3.5= use the calculator
Art [367]3 years ago
5 0

Answer:

assuming simple interest

I=PRT

I=262.5

P=3000

R=?

T=3.5

262.5=3000(?)(3.5)

262.5=10500?

divide both sides by 10500

0.025=?

2.5%=?

answer is 2.5%

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x=7

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What is the sum of 2 numbers is 30 and their difference is 6 answer?
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In 1989 a postage stamp cost $.25. In 1999 a postage stamp cost $.33. Find the average rate of
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Step-by-step explanation: so the  average rate of

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2 years ago
Read 2 more answers
Two sides of a triangle are equal in length and double the length of the shortest side . The perimeter of the triangle is 36 inc
Firdavs [7]

Answer:

The length of the sides of the triangle are as follow: Two sides are 14.4 inches long and the shortest is 7.2 inches.

Step-by-step explanation:

P = 36in // perimeter of triangle

P = A + B + C //equation for perimeter of a triangle

A = B or B = A //Showing that two sides are equal in length

A = 2C and B = 2C //Showing that the two equal sides are each doubled of the shortest side

C = A/2 and C = B/2 //Showing the same thing as the top, but in terms of the shortest side

Solve for C //First we solve for the shortest side as it's easiest

36 = A + B + C

36 = 2C + 2C + C //Use substitution for A and B

36 = 5C

C = 7.2in

Solve for A

A = 2C

A = 2(7.2) //Use what we solved for C

A = 14.4in

Solve for B

B = A

B = 14.4in //Same as A

Check Work

P = A + B + C

P = 14.4 + 14.4 + 7.2

P = 36

4 0
3 years ago
5. Which expression is equal to f(x) + g(x) given f(x) = x² + 10 and g(x) = x – 3 ?
nataly862011 [7]
Hello :
<span> f(x) + g(x) =x²+10 +x-3
</span><span> f(x) + g(x) = x²+x+7</span>
5 0
3 years ago
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