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Licemer1 [7]
4 years ago
9

Simplify the expression. - | -13 | =

Mathematics
1 answer:
a_sh-v [17]4 years ago
5 0
Since the -13 has the absolute value signs next to it, the 13 becomes a positive, but there is a negative outside the absolute value, and the negative sign and the absolute value sign cancelled previously, so the expressions is now
-13
The absolute value signs cancel out a negative only inside the signs, not outside, so the negative sign in the outside keeps.
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A set of data was published in the fall 2019 Phi Kappa Phi Forum regarding the performance of Major League Baseball (MLB) umpire
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Answer:

The answer is "1.30".

Step-by-step explanation:

Proportion of population=0.20

Ratio sample=\frac{70}{300}=\frac{7}{30}=0.23

Statistics of the test:

\to Z=\frac{(0.23-0.2)}{\sqrt{(\frac{0.2\times(1-0.2)}{300})}}\\\\

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3 years ago
5p coins weigh approximately 3 grams.
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Answer: 0.3 kg

Step-by-step explanation:

£5 = 500p

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4 years ago
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zubka84 [21]
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3 years ago
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postnew [5]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
A diameter of a circle has enpoints (-2, 10) and (6, -4) in the standard (x, y) coordinate plane. What is the center of the circ
wlad13 [49]

Answer:

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Step-by-step explanation:

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C(x,y) = \frac{1}{2}\cdot R_{1}(x,y)+ \frac{1}{2}\cdot R_{2}(x,y) (1)

Where:

C(x,y) - Center.

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The center of the circle is C(x,y) = (2, 3).

8 0
3 years ago
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