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2 years ago

What is 1/4 divided by 2/4

1 answer:

8 0

$\dfrac{1}{4} \div \dfrac{2}{4}$

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Change the divide fraction to multiplication fraction :
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$\dfrac{1}{4} \times \dfrac{4}{2}$

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Combine into single fraction :
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$\dfrac{4}{8}$

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Reduce to simplest form :
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$\dfrac{4 \div 4}{8 \div 4} = \dfrac{1}{2}$

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Find each value.Use a calculator is needed P(9,2) .P(5,5). P(7,7)

Andrews [41]

The answers are:
P(9, 2) = 72
P(5, 5) = 120
P(7, 7) = 5040

These are examples of permutations. The problems are asking us to find the total number of ways an event can happen.

In the first case, P(9, 2), we are asked to find the ways that 2 things can be chosen out of a group of 9.
9 x 8 = 72

P(5, 5) = 5 x 4 x 3 x 2 x 1
P(7, 7) = 7 x 6 x 5 x 4 x 3 x 2 x 1

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3 years ago

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mash [69]

Answer:

Step-by-step explanation:

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2 years ago

Which triangle is similar to the triangle T

Delicious77 [7]

Answer:

the last one

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Step-by-step explanation:

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2 years ago

Use De Moivre’s Theorem to compute the following: <img src="https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B%288cos%284%20%5Cpi%20%2F5%

Kipish [7]

Hello here is a solution :

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3 years ago

HELP ASAP TEST IS OMOST OVER!!!!!!!!!!

svet-max [94.6K]

Answer: C)46 ft

Step-by-step explanation:

We know that the circumference of a circle can be calculated with this formula:

$C=2\pi r$

Where "r" is the radius of the circle.

Since John is putting a fence around his garden that is shaped like a half circle and a rectangle, then we can find how much fencing he needs by making this addition:

$Fencing=\frac{2\pi r}{2}+2l+w$

Where "l" is the lenght of the rectangle and "w" is the width of the rectangle.

Since we know that the radius of the circle is half its diameter, we can find "r". This is:

$r=\frac{7ft}{2}=3.5ft$

Then, substituting values (and using $\pi=\frac{22}{7}$ ), we get:

$Fencing=\frac{2(\frac{22}{7})(3.5ft)}{2}+2(14ft)+7ft=46ft$

4 0

2 years ago

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