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2 years ago

Find the difference: (20x + 3) - (7x - 5) *

Mathematics

1 answer:

OlgaM077 [116]2 years ago

3 0

Answer:

27x - 2

Step-by-step explanation:

First off, we use commutative property to get the like terms together.

(20x + 7x) - (3-5)

Now we can solve the equations inside the parenthesis.

27x - (-2)

Because these aren't like terms, this is as far as we can go. Meaning 27x - 2

is out answer.

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--8x < 32. How can I solve this

Vlada [557]

Answer:

Divide by -8 on both sides. Flip the inequality.

Step-by-step explanation:

You didn't provide any answer choices, but here's how you would solve this:

$-8x < 32\\\\\frac{-8x}{-8} < \frac{32}{-8}\\ \\x > -4$

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1 year ago

Samantha is taking out a loan for $17,452 at 6% simple interest for one year. How much interest will she pay?

andrew11 [14]

Answer:

She will pay $1,047.12 interest for one year

Step-by-step explanation:

Simple Interest

Occurs when interest is calculated on the original principal only.

Unlike compound interest where the interest earned in the compounding periods is added to the new principal, simple interest only considers the principal to calculate the interest.

The interest earned is calculated as follows:

I=P.r.t

Where:

I = Interest

P = initial principal balance or loan

r = interest rate

t = time

Samantha takes out a loan for $17,452 at r=6%=0.06 simple interest for t=1 year. Calculating the interest:

$I=\$17,452*0.06 *1$

I = $1,047.12

She will pay $1,047.12 interest for one year

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