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3 years ago

Charlene wants to build a fence around her rectangular garden. The garden measures 20 meters by 60 meters.

Mathematics

2 answers:

Tamiku [17]3 years ago

7 0

well do you need to find the area or perimeter

myrzilka [38]3 years ago

3 0

The perimeter because the fence goes AROUND the yard, not in it.

P = 2w + 2l

P = 2(60) + 2(20)

P = 120 + 40

P = 160

Charlene needs 160 meters of fencing material.

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2 years ago

Solve this system of equations using the substitution method<br>y=x+7<br>-2x-11=y

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Answer:

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Step-by-step explanation:

Let's solve your system by substitution.

y=x+7;−2x−11=y

Step: Solve y=x+7 for y:

y=x+7

Step: Substitute x+7 for y in −2x−11=y:

−2x−11=y

−2x−11=x+7

−2x−11+−x=x+7+−x(Add -x to both sides)

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−3x=18

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x=−6

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Answer:

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2 years ago

What is 125^2/3 in simplest form? and What is \sqrt[5]({-245} ) ^{5} in simplest form?

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${ 125 }^{ \frac { 2 }{ 3 } }\\ \\ ={ \left( { 125 }^{ \frac { 1 }{ 3 } } \right) }^{ 2 }\\ \\ ={ \left( \sqrt [ 3 ]{ 125 } \right) }^{ 2 }\\ \\ ={ 5 }^{ 2 }\\ \\ =25$

This is because:

${ a }^{ \frac { m }{ n } }\\ \\ =\sqrt [ n ]{ { a }^{ m } }$

Remember that:

5 x 5 x 5 = 125

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Answer:

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Step-by-step explanation:

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