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4 years ago

What is the solution to the equation -4(2x+3)=2x+6-(8x+2)

Mathematics

1 answer:

Masja [62]4 years ago

4 0

Answer:

b.) x = -8

Step-by-step explanation:

Solve -4*(2x + 3) = 2x + 6 - (8x + 2)

-8x + -12 = 2x + 6 - 8x - 2

-8x - 12 = -6x + 4

-12 = 8x - 6x + 4

-12 = 2x + 4

-12 - 4 = 2x

-16 = 2x

x = -8

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the rainfall total this year was 14.2 inches, which is 20% less than last year's rainfall total. what was last year's rainfall t

lara31 [8.8K]

Answer

The total rainfall last year is 12.75 inches.

Step-by-step explanation:

The total rainfall this year is 10.2 inches.

Let the total rainfall last year be x inches.

It is given that the total rain this year 20% less than last year's total rainfall

Therefore total rainfall last year is 12.75 inches.

8 0

3 years ago

On Monday, 230 students were supposed to go on a trip to the zoo but 22 did not have permission slips. 5 buses were filled and 8

MA_775_DIABLO [31]

Answer:

40 kids traveled in each bus

hope this helped

Step-by-step explanation:

230- 22= 208

208-8= 200

200÷5 =40

8 0

4 years ago

Read 2 more answers

Find the limit, if it exists.<br> Picture provided below.

Alja [10]

The answer is 20 because you plug in x=2 into f(x)

$3 \times 2 {}^{3} + 2^{2} - 8 = 20$

7 0

4 years ago

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Gelneren [198K]

Put that in the calculator changing the + or - sign both times tp find x

5 0

3 years ago

for an art project you make a square print with a side length of 8 inches. You make a frame using strip of wood 1 1/4 inch wide.

lord [1]

Given that square print has side length = 8 inches

Given that you make a frame using strip of wood 1 1/4 inch wide. Since frame is on both sides of the square print so new side length after adding the frame = $1 \frac{1}{4} + 8 + 1 \frac{1}{4} = 10 + \frac{2}{4} = 10 + \frac{1}{2} = 10.5$ inches

Area of the square is given by formula $= x^2$ where x is the side of square

Shape of the frame including print will also be square so

Area of the frame including print $= 10.5^2 = 110.25$ square inches

Area of the print = $8^2 = 64$ square inches

We have to find the area of frame only so we can subtract area of print from the total area

Area of frame = [Area of frame including print] - [Area of print]

Area of frame = 110.25-64 = 46.25

Hence final answer is 46.25 square inches

7 0

3 years ago