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3 years ago

42 is 64% of what number

2 answers:

4 0

Answer: x = 65.63
Explanation:
We have, 64% × x = 42 or, 64/100 × x = 42
Multiplying both sides by 100 and dividing both sides by 64, we have x = 42 × 100 64
x = 65.63

Pani-rosa [81]3 years ago

4 0

Answer:

the answer is 65.625, 42 is 64% of 65.625

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The correct solution is A thanks

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3 years ago

A painter bought 14 gallons of paint just enough to cover 2 room

OverLord2011 [107]

<h3>Answer:</h3>

<h3>Step-by-step explanation:</h3>

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2 years ago

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3 years ago

Whats the answer to 1/5x=121 x=?

weqwewe [10]

You have an algebraic expression in which you are solving for x. When you are solving for a variable, you need to isolate it all alone. Since you are multiplying by 1/5, you will have to undo it by multiplying by its reciprocal. In this case you are multiplying both sides by 5/1.

5/1 *1/5x = 121*5/1
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To check your answer, plug this value in for x and multiply it by 1/5. You should arrive at 121! Good luck!

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3 years ago

A noted psychic was tested for extrasensory perception. The psychic was presented with 2 0 0 cards face down and asked to determ

Natasha2012 [34]

Answer:

C. P- value < 0.04 0.05

Step-by-step explanation:

hello,

we were given the sample size, n = 200

also the probability that the psychic correctly identifies the symbol on the 200 card is

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using the large sample Z- statistic, we have

$Z=\frac{p- 0.20}{\sqrt{0.2(1-0.2)/200} }$

= $\frac{0.25-0.20}{\sqrt{0.16/200}}$

= 1.7678

thus the P - value for the hypothesis test is P(Z > 1.7678) = 0.039.

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4 years ago