Kiara takes out a student loan of $4000. She will be charged interest on the loan at a rate of 2.5% compounded monthly. She plans to repay the loan in full at the end of 2 years. What is the amount of interest she will have to pay?

Answers

Answer 1

Answer:

$\bf ~~~~~~ \textit{Compound Interest Earned Amount}\n\nA=P\left(1+(r)/(n)\right)^(nt)\quad \begin{cases}A=\textit{accumulated amount}\nP=\textit{original amount deposited}\dotfill &\$4000\nr=rate\to 2.5\%\to (2.5)/(100)\dotfill &0.025\nn=\begin{array}{llll}\textit{times it compounds per year}\n\textit{monthly, thus twelve}\end{array}\dotfill &12\nt=years\dotfill &2\end{cases}$

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What is x2+2x-8=0 by factoring ?

Answers

Answer:

(x+4)(x-2)

Step-by-step explanation:

We need to find two numbers that multiply to -8 and add up to 2. These are 4,-2.

Rewrite the polynomial:

x^2-2x+4x-8

and factor each pair:

x(x-2)+4(x-2) = (x+4)(x-2)

Caroline has 10 marbles. One half of them are blue. How many of Caroline marbles are blue?

Answers

10÷2=5marbles are blue because if u want to have half of something all u have to do is divide that number by 2

Half of 10 is 5. So 5 marbles are blue.

What is the negative square root of 0.64??????

Answers

Answer: -0.8

Explanation: Square root of 0.65 is 0.8, therefore just make it negative. -0.8

Answer:

-0.8

Step-by-step explanation:

Simplify the radical by breaking the radicand up into a product of known factors, assuming positive real numbers.

0.8

Ink cartridges weigh 1/8 pound. The total weight of the cartridges in a box is 4 1/2 pounds. How many cartridges does the box contain?

Answers

4 1/2 is 9/2 as an improper fraction, then dividing that by 1/8 (same as multiply by 8) is 72/2 or 36 cartridges.

Ms. Lewis purchased a new computer for $1,150 at the Apple Store. If sales tax is 7.5%, what was the total cost of her purchase?

Answers

Answer:

$1236.25

Step-by-step explanation:

1150 x 0.075 = 86.25

86.35 + 1150 = 1236.25

Answer:

The total cost was 1,236.25

Step-by-step explanation:

7.5% of 1,150 is 86.25

1,150+86.25=1,236.25

1. Simplify: a^7/a^4A. 1/a^3
B. a^3
C. -a/a^2
D.a^4/a^3

2. Simplify: r^2s^4t/r^2st^3
A. s^3/t^2
B. s^3/t
C. s^2t^3
D. s/t

3. Simplify: 3x^6/18x
A. 1/6
B. x^4/6
C. x^5/6
D. x^6/6

4. Identify the property demonstrated 4^3x4^7 = 4^3+7
A. Quotient of Powers Property
B. Power of a Power Property
C.Power of a Product Property
D.Product of Powers Property

5. Identify the property demonstrated: (a^7)^3 = a^7 x 3
A. Power of a Product Property
B. Quotient of Powers Property
C. Product of Powers Property
D. Power of a Power Property

Thank you so much whoever helps!!!

Answers

1)a^7/a^4
=a^[7-4]
=a³

2) r²s⁴t/r²st³
=s⁴-¹.t¹-³
=s³.t-²
=s³/t²

3)3x^6/18x
=x^5/6

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