2 years ago

Identify the number that does not belong with the other three. Explain your reasoning.

Mathematics

1 answer:

kherson [118]2 years ago

5 0

The answer would probably 22.7. 18 is a perfect square, -10/5 is -2 and -13.4 is a regular decimal

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salaries of nurses in southern california are normally distributed with a mean of $6250 and a standard deviation of $250. what i

cestrela7 [59]

Step-by-step explanation:

z-score of X = 6150

$\frac{6150 - 6250}{250} = - 0.4 \\$

z-score of X = 6350

$\frac{6350 - 6250}{250} = - 0.4$

P(X<6150) + P(X>6350)

=P(z<-0.4) + P(z>-0.4)

=0.3446+0.3446

=0.6892

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2 years ago

Use the figure to find measures of the numbered angles.

zysi [14]

1 - 113 degrees

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4 - 113 degrees

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A money box contains only 10-cent and 20-cent coins. There are 34 coins with a total value of $5.40. How many coins of each

kow [346]

10x+20y=540
x+y=34
y=34-x

Plug in (34-x) for y:
10x+20(34-x)=540
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There were 14 ten cent coins and 20 20 cent coins

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2 years ago

Solve for x: the quantity of x plus 4 over 3 = 2.<br> (x+4)<br> ------- = 12<br> 3

vaieri [72.5K]

(x + 4) / 3 = 12.....multiply both sides by 3, cancelling the 3 on the left side
x + 4 = 12 * 3
x + 4 = 36
x = 36 - 4
x = 32

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