3 years ago

HELP I NEED SOMEONE VERY GOOD IN MATH TO ANSWER 7-12 PLEASE THIS IS DUE :(

Mathematics

1 answer:

weqwewe [10]3 years ago

6 0

I can’t see the picture

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Write an algebraic expression to find the AREA of a rectangle with a length of 4x-5 and a width of 7.

blagie [28]

Answer:

28x-35

Step-by-step explanation:

4x*7=28x

5*7=35

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3 years ago

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chubhunter [2.5K]

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X^2 -18x +81=0 factor it

nasty-shy [4]

Answer:

x=9

Step-by-step explanation:

81 is the product of -9 & -9. -9-9=-18. Therefore, (x-9)^2=0, and you get that x=9.

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3 years ago

What is the simplified expression for -3(2x-y)+2y+2(x+y)

JulijaS [17]

Answer:

7y - 4x

Step-by-step explanation:

Given

- 3(2x - y) + 2y + 2(x + y) ← distribute parenthesis

= - 6x + 3y + 2y + 2x + 2y ← collect like terms

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3 years ago

The hanger image represents a balanced equation (look at picture)

nekit [7.7K]

Answer:

A) $27 = b + 9$

$b=18$

Step-by-step explanation:

When given a balanced scale (represented by a hanger in this image), the sum of the values on one side equals the value on the other side. Thus, the equation that this hanger represents is the following:

$27 = b + 9$

Use inverse operations to solve this equation,

$27 = b + 9$

$-9$

$18 = b$

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3 years ago