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3 years ago

15

Amir invests $4,000 in a 5-year cd paying 3.5% interest. How much interest will he make on the cd in 5 years? The simple interes

t formula is I=prt.

1 answer:

Sholpan [36]3 years ago

5 0

Answer: $700

Step-by-step explanation:

First, convert the rate into a decimal

r = R/100 = 3.5%/100 = 0.035 per year,

then, solving our equation

I = 4000 × 0.035 × 5 = 700

I = $ 700.00

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Answer:

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Step-by-step explanation:

We need to factor

x^2 - 17x + 72

We need two numbers whose product is 72 and whose sum is -17.

The numbers are -8 and -9.

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Evaluate the given integral by making an appropriate change of variables, where r is the rectangle enclosed by the lines x - y =

vova2212 [387]

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3 years ago

The sum of two numbers is the same as four times the smaller number. If twice the larger is decreased by the smaller, the result

liraira [26]

The two numbers are 6 and 18

Step-by-step explanation:

The given is:

The sum of two numbers is the same as four times the smaller number
If twice the larger is decreased by the smaller, the result is 30

We need to find the the numbers

Assume that the smaller number is x and the larger number is y

∵ The smaller number = x

∵ The larger number = y

∵ The sum of the two numbers is the same as four times the

smaller number

- That means add the two numbers and equate the sum by four

times x

∴ x + y = 4x

- Subtract both sides by x

∴ y = 3x ⇒ (1)

∵ Twice the larger number is decreased by the smaller number,

the result is 30

- That means multiply y by 2 and subtract x from the product,

then equate the difference by 30

∴ 2y - x = 30 ⇒ (2)

- Substitute y in equation (2) by equation (1)

∵ 2(3x) - x = 30

∴ 6x - x = 30

- Add like terms in the left hand side

∴ 5x = 30

- Divide both sides by 5

∴ x = 6

- Substitute the value of x in equation (1) to find y

∵ y = 3(6)

∴ y = 18

The two numbers are 6 and 18

Learn more:

You can learn more about the system of equation in brainly.com/question/2115716

#LearnwithBrainly

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3 years ago