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3 years ago

Write an equivalent expression 7 (d-4)

Mathematics

1 answer:

Mashutka [201]3 years ago

7 0

Answer:

7d - 28

Step-by-step explanation:

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10. Find the value of x. (5x+12)° (3x+8)° 10 15 20 25

satela [25.4K]

Answer:

3x+8+5x+12

8x+20=180

A. 80+20=100 No

B. 120+20=140 No

C. 160+20=180 Yes

D. 200+20=220 No

The Answer is C

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3 0

3 years ago

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Describe how to model -3x + 7 =28 with algebra tiles

myrzilka [38]

Subtract 7 to 28 = 21 then divided by -3 = x= -7

3 0

4 years ago

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Is 4 a solution of 3x + 8 = 4? Complete the statement.

Flura [38]

Answer:

no 4 isnt. if it was that means it would be 12+8=4. its correct

the correct answer is 3(-4/3)+8=4

Step-by-step explanation:

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3 years ago

David’s grandmother wants to mail him a bat for his birthday. She found a box that measures 15 in by 20 in by 30 in. What is the

Katen [24]

A. 39 in
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6 0

4 years ago

The difference of the squares of two positive consecutive even integers is 84. Find the integers.

ziro4ka [17]

Answer:

The two integers are 20 and 22.

Step-by-step explanation:

Let x be the first integer.

$(x+2)^{2}-x^{2} = 84\\x^{2} +4x+4-x^{2} = 84\\4x = 80\\x = 20$

3 0

3 years ago