3 years ago

Hi I’m a tutor ask me if you need help

Mathematics

1 answer:

Aloiza [94]3 years ago

5 0

Answer:

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Step-by-step explanation:

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What expression is equivalent to the expression 2(6y-4)

Kobotan [32]

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12y-8

Step-by-step explanation:

If you distribute the 2 you will 12y-8

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3 years ago

Order the following numbers from least to greatest.<br> Put the least value on the left.

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-5/2, -2, 1.7

Step-by-step explanation:

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2 years ago

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How to solve x/8>3 how

sdas [7]

Step 1- Multiply both sides by 8.
Step 2- Simplify 3 x 8 to 24.
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3 years ago

Factor each completely <br><br> 3) rns_ 9m + 8m"-9m+8

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3 years ago

A rectangle has a length that is three feet more than twice it’s width. If the area of the rectangle is 90 square feet, then alg

Mkey [24]

Answer:

$Length=27feet\\Width=12 feet$

Step-by-step explanation:

Let, the length of the rectangle be 'L'

and, width of the rectangle be 'W'

length=2*Width+3

$L=(2W+3) feet\\\\$

Area of the rectangle= 90 square feet

Area of a rectangle = Length*Width

$90=(2W+3)*W\\\\2W^2+3W=90\\\\2W^2+3W-90=0\\\\$

Using Factorization Method to solve quadratic equation:

$2W^2-12W+15W-90=0$

Taking common from the equation:

$2W(W-12)+15(W-12)=90\\\\(W-12)(2W+15)=0\\\\W-12=0\\\\W=12 feet$

$2W+15=0\\\\2W=-15\\\\W=-7.5 feet$

The Width cannot be negative, therefore Width(W)=12 feet

$Length=2*Width+3\\\\=(12*2)+3\\\\=24+3\\\\=27 feet$

$Length=27feet\\Width=12 feet$

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3 years ago