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Alex777 [14]
3 years ago
6

What does the expression l+w+l+w represent

Mathematics
2 answers:
harina [27]3 years ago
8 0
Length + width+ length + width? I think..
djverab [1.8K]3 years ago
5 0
That means legthn+lgnth +width+width

that is the perimeter formula for a rectangle or the measure around a rectangle

it can be written as (l-legnth)
perimiter=2l+2w or
p=2l+2w or
p=2(l+w)
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Factor the trinomial. Factor out the GCF first.<br> 5x^2y - 30xy^2 - 35y^3
anzhelika [568]

Answer: 5x^2y - 30xy^2 - 35y^3=5y(x+y)(x-7y)

Step-by-step explanation:

GCF = Greatest common factor.

For example: 6 is the GCF of 12 and 18.

The given expression: 5x^2y - 30xy^2 - 35y^3

It can be written as

5x^2y - (5\times6)x( y\times y) - (5\times7)(y^2\times y)

Taking out common factor  5y , we get

5y(x^2-6xy-7y^2)\\\\ =5y(x^2+xy-7xy-7y^2)\  \ [\because-6xy=xy-7xy]\\\\=5y(x(x+y)-7y(x+y))\\\\= 5y((x+y)(x-7y))\\\\=5y(x+y)(x-7y)

Hence, 5x^2y - 30xy^2 - 35y^3=5y(x+y)(x-7y)

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3 years ago
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Svet_ta [14]

Answer:

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Step-by-step explanation:

3 0
2 years ago
Danielle estimates that she will spend $250 on new summer clothes. She actually spent $350. What is the percent error? Round to
lesya [120]

Answer:

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Step-by-step explanation:

Divid To get decimal (percent right)

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Subtract from 1 to get decimal (Percent wrong)

1.0 - 0.714285714285714= 0.285714285714286

Move over decimal to placements to the right to convert to percent

%28.5714285714286

Round

%28.57

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3 years ago
If y= 1/3x and x= -18, find y
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\displaystyle \bf \\&#10;x = -18 \\\\&#10;y =  \frac{1}{3}\cdot x =  \frac{1}{3}\cdot -18 =  \frac{-18}{3} = \boxed{\bf -6}



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Bertha is running a marathon. Before she started to run, she drank 16 ounces of
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Answer: 68 ounces

Step-by-step explanation: 26x 2= 52   52+ 16= 68 ounces

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