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Mathematics

1 answer:

Alik [6]2 years ago

7 0

The answer is B because -84 divided by -28 equals 3 and -6 divided by -2 equals 3

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Which point lies on the line

Oksi-84 [34.3K]

Y + 8 = 4(x - 5)

distribute the 4 to both x and -5

4(x) = 4x
4(-5) = -20

y + 8 = 4x - 20

isolate the y, subtract 8 from both sides

y + 8 (-8) = 4x - 20 (-8)

y = 4x - 28

plug in the x given, if the y matches the answer given, it is the correct answer.

-8 = 4(5) - 28

-8 = 20 - 28

-8 = -8 (True)

D) (5,-8) should be your answer

hope this helps

7 0

2 years ago

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The formula A=P(1+r)t is used to show the total amount owed for a loan with a simple annual interest rate.

vodka [1.7K]

We are asked to express r in terms of A, P, and t.

We first divide both sides of the equation by t, which gives us

$\displaystyle{ \frac{A}{t}=P(1+r)$ ,

then, dividing both sides by P, we have

$\displaystyle{ \frac{A}{Pt}=1+r$ .

Swap the sides:

$\displaystyle{ 1+r= \frac{A}{Pt}$

Finally subtracting 1 from both sides gives us

$\displaystyle{ r=\frac{A}{Pt}-1$ .

5 0

2 years ago

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9 times the quantity of 12 less than a number x is 24. Write in an algebraic expression.

kiruha [24]

Answer:

9(x-12)=24

Step-by-step explanation:

5 0

1 year ago

Pls help extra points

Step2247 [10]