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Lady_Fox [76]
3 years ago
10

Three students were given the expression shown and were asked to take a common factor out of two of the terms.

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
4 0

Answer:

Step-by-step explanation:

Expression given → 4 - 9x + 21

Chang's expression → 4 - 3(3x + 7)

Chang's expression is incorrect because the correct expression is [4 - 3(3x - 7)]

Benjamin's expression → 4 + 3(3x + 7)

Benjamin's expression is incorrect because the correct expression is [4 - 3(3x - 7)]

Habib's expression → 4 + 12x

Habib's expression is incorrect because the correct expression is [4 - 3(3x - 7)]

Correct expression → [4 - 3(3x - 7)]

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The perimeter of rectangle field is 160m than find the area of field if its breath is 20m
Sergio039 [100]

Answer:

3200

Step-by-step explanation:

area= (l*b)

area=(160*20)

area=3200

6 0
3 years ago
(7x²+8+5)+(3x²-2x-2) add polynomials​
eimsori [14]

Answer:

10x²+11-2x

Step-by-step explanation:

I hope you mean 7x²+8+5, not 7x²+8x+5.

We need to combine like terms. Anything with squared should be added together, et cetera.

(7x²+8+5)+(3x²-2x-2)

You can take out the parenthesis, because they don't matter in addition.

7x²+8+5+3x²-2x-2

Add the terms, step by step. Each bold pair needs to be added together.

7x²+8+5+3x²-2x-2

10x²+8+5-2x-2

10x²+11-2x

Now there's no more we can add together.

3 0
4 years ago
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3 years ago
Can someone help me understand how to get 24 7/100 to a decimal form
ivolga24 [154]

7/100=0.07

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3 0
3 years ago
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How to solve (4+5)÷3×4
Evgesh-ka [11]
We Need To Remember Order of Operations.

So, We Do:
4+5.
We Know That 4 + 5 = 9, So We Have:
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Now, We Do:
9 </span><span>÷ 3 
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3 * 4. 
We Know That 3 * 4 Is 12, So:

We Know That The Answer To This Expression Is 12.</span>
3 0
4 years ago
Read 2 more answers
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