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3 years ago

Simplify 2 ^4 sqrt 80 A. 4^4 sqrt 5 B. 8^4 sqrt 5 C. 16^4 sqrt 5 D. 32^4 sqrt 5

1 answer:

4 0

This thing agian
the written form is looking like this
$2 \sqrt[4]{80}$
$2 \sqrt[4]{80}$ =
$2 (\sqrt[4]{16})(\sqrt[4]{5})$ =
$2 (2)(\sqrt[4]{5})$ =
$4\sqrt[4]{5}$
answer is A

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A company manufactures cell phones. In August, a random sample of 125 cell phones was inspected, and 3 phones were found to be d

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Answer:

192

Step-by-step explanation:

To find how many phones are expected to be defective, we need to represent the values in a fraction.

$\dfrac{x}{8000}=\dfrac{3}{125}$

x = number of defective phones

Now we can solve this using algebra.

To get the value of x we need to multiply both sides by 8000 to leave x alone.

$x=\dfrac{3}{125}(8000)$

$x=0.024(8000)$

$x=192$

So around 192 cell phones are expected to be defective out of 8000 phones.

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4 years ago

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Step-by-step explanation:

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2 years ago

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Change 1 1/2 into a improper fraction. then multiply across. so 2 times 3 over 7 times 2. which equals 6/14. then simplify to get 3/7 as your final answer.

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4 years ago

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Amy has a collection of marbles in three sizes, small, medium, and large. She has five times as many small marbles as medium mar

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Answer: she has 310 small marbles, 62 medium marbles and 188 large marbles.

Step-by-step explanation:

Let w represent the number of small marbles Amy has.

Let x represent the number of medium marbles Amy has.

Let y represent the number of large marbles Amy has.

a) She has five times as many small marbles as medium marbles. This means that

w = 5x

b) The number of large marbles is two more than three times the number of medium marbles. This means that

y = 3x + 2

c) If Amy has a total of 560 marbles, it means that

5x + x + 3x + 2 = 560

9x = 560 - 2

9x = 558

x = 558/9 = 62

w = 5x = 62 × 5

w = 310

y = 3x + 2 = 3 × 62 + 2

y = 188

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3 years ago

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3 years ago