3 years ago

Assume that each circle shown below represents one unit. Express the shaded amount as a single fraction and as a mixed number.

Mathematics

1 answer:

zepelin [54]3 years ago

3 0

Answer:

jwjeek

Step-by-step explanation:

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3 years ago

The length of a rectangle is four times the width. The perimeter of the rectangle is 45 inches. Write a system of equations that

wolverine [178]

Answer:

Let l be the length and w the width of the rectangle.

P as the perimeter and A as the area.

length of a rectangle is four times the width:

w = w

l = 4w

System of equation : 2l + 2w = P

Substitute:

2(4w) + 2w = 45

8w + 2w

10w = 45

w = 45 / 10

w = 4.5

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l = 4w

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3 years ago

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Jlenok [28]

Answer: $\bold{b)\quad \dfrac{-\sqrt{13}-5}{4}}$

<u>Step-by-step explanation:</u>

$\dfrac{3}{\sqrt{13}-5}\bigg(\dfrac{\sqrt{13}+5}{\sqrt{13}+5}\bigg)\\\\\\=\dfrac{3(\sqrt{13}+5)}{13-25}\\\\\\=\dfrac{3(\sqrt{13}+5)}{-12}\\\\\\=\dfrac{\sqrt{13}+5}{-4}\\\\\\=\dfrac{-\sqrt{13}-5}{4}$

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Triangle P Q R is shown. Angle Q P R is a right angle. The length of Q P is 8 StartRoot 3 EndRoot and the length of P R is 8.

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Step-by-step explanation: Given that dimensions of PQR

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Step-by-step explanation:

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