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3 years ago

Helpppppooppppppppppp

Mathematics

2 answers:

Andreas93 [3]3 years ago

7 0

2x^2 square root of 13

Reptile [31]3 years ago

5 0

Answer:

2x^2(root13)

Step-by-step explanation:

52 factors into 13 (prime number) and 4 (perfect sqare)

this means we can take the root of 4 and bring it outside to become a 2

x^4 is a perfect square and is x^2 squared.

so then we have a 2 and x^2 on the outside and a 13 on the inside.

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Helen is putting a fence around her flower garden, which is in the shape of half of a circle and a rectangle. If the semicircle

erastova [34]

Answer:

Part 1) Helen will need 38 feet of fencing

Part 2) The perimeter around the three sides of the rectangular section of the garden is 27 feet

Part 3) The approximate distance around half of the circle is 11 feet

Step-by-step explanation:

Part 1) How much fencing will Helen need?

Find out the perimeter

we know that

The perimeter of the figure is equal to the sum of three sides of the rectangular section plus the circumference of a semicircle

$P=2L+W+\frac{1}{2}\pi D$

we have

$L=10\ ft\\W=7\ ft\\D=7\ ft\\\pi =\frac{22}{7}$

substitute

$P=2(10)+7+\frac{1}{2}(\frac{22}{7})(7)$

$P=20)+7+11=38\ ft$

therefore

Helen will need 38 feet of fencing

Part 2) What is the perimeter around the three sides of the rectangular section of the garden?

$P=2L+W$

we have

$L=10\ ft\\W=7\ ft$

substitute

$P=2(10)+7$

$P=20+7=27\ ft$

therefore

The perimeter around the three sides of the rectangular section of the garden is 27 feet

Part 3) What is the approximate distance around half of the circle?

Find the circumference of semicircle

$C=\frac{1}{2}\pi D$

we have

$D=7\ ft\\\pi =\frac{22}{7}$

substitute

$C=\frac{1}{2}(\frac{22}{7})(7)$

$C=11\ ft$

therefore

The approximate distance around half of the circle is 11 feet

4 0

3 years ago

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wariber [46]

I want to say 17 but I don't know for sure

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3 years ago

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Plz help me with this

viva [34]

Answer:

The height on the plans is 6.5 inches

Step-by-step explanation:

1 inch of plan = 5 inch of dollhouse

we know the dollhouse is 32.5 inches, so we need to determine the unknown

x inch of plan = 32.5 inch of dollhouse

x = 32.5/5 = 6.5 inches

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3 years ago

Put these numbers in order from greatest to least.<br> -32/40 14/35 -1

olga nikolaevna [1]

Answer: 14/35, -32\40, -1

Step-by-step explanation:

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3 years ago

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Name the plane represented by the top of the box.

Licemer1 [7]

Answer:

BCD

Step-by-step explanation:

The top rectangle is ABCD because of its vertices. BCD is included in it.

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3 years ago