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gtnhenbr [62]
3 years ago
8

Isabella solved the following equation: 4x − 2x + 8 = 6(x + 4) Step Work Justification 1 4x − 2x + 8 = 6x + 24 Distributive Prop

erty 2 2x + 8 = 6x + 24 Combine like terms 3 −4x + 8 = 24 Addition Property of Equality 4 −4x = 16 Subtraction Property of Equality 5 x = −4 Division Property of Equality Which step has an incorrect justification?
Mathematics
2 answers:
AnnZ [28]3 years ago
7 0

Answer:

step 3 has incorrect justification.

Step-by-step explanation:

because it was combine like terms but 8 is still in left hand side. So,combine like terms 3 has incorrect justification.

Dmitriy789 [7]3 years ago
4 0

Answer:

Step 3

Step-by-step explanation: Combine like terms but 8 is still in the left side, so combine like terms 3 has incorrect justification.

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Semmy [17]

Answer:

8/25 or 0.32

Step-by-step explanation:

5 0
2 years ago
You make picture frames to sell at the flea market; you spent $46 on supplies and you want to sell the frames for $8.50 each. Ho
BARSIC [14]
<h3>Answer: 6 Frames</h3>

Before we start, let us figure out what profit means?

Profit is the money you make.

Note: Income is the money you receive, and expenses are the money you spend on your business.

If you sold five frames, you would make: (8.50 x 5 = $42.50)

Note: $42.50 <u>is not</u> greater than your expenses, so you haven't make any profit yet.

If you sold six frames, you would make: (8.50 x 6 = $51.00)

Note: $51.00 <u>is</u> greater than your expenses, so you made some profit.

<h3>Additional Information</h3>

To find the money you made or your profit, simply subtract the money you received from your expenses.

$51.00 - $46.00 = $5.00

You only made <u>$5.00</u>, but to make a larger profit, you have to sell more frames.

<h3>Conclusion</h3>

I hope my explanation provided excellent aid. Oh, and you're welcome.

3 0
2 years ago
Why does sin30° equal 1/2?
gtnhenbr [62]

Step-by-step explanation:

it's easy to prove in any right triangle with a 30° angle, the side opposite to that angle is half the hypotenuse. CA (1/2)BC, CA/BC=1/2

6 0
3 years ago
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zlopas [31]

Answer:

B

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

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y = 8x - 5 → B

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3 years ago
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B, because the height of the boys can be anywhere between any positive number, however not negative because you can't be a negative height.

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6 0
2 years ago
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