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lara31 [8.8K]
3 years ago
8

Find the product. (−2)(7)(−7) =

Mathematics
1 answer:
jeka57 [31]3 years ago
7 0

Answer:

Step-by-step explanation:

(-2)(7) (-7) = 98 ( negative time positive is negative, the negative times negative is positiv)

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Complements are numbers that add 90. Since one is 57, the other has to add to 57. So 33 would add with 57 to get 90.
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Which part of figure A is misleading ?
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It looks like figure A shows lower scores since it doesn't start at 0

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∠5 ​ and​ ​ ∠6 ​ ​are complementary angles. m∠5=13°
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The number of calories burned at the gym is normally distributed with a mean of 425 and a standard deviation of 51. Find the Z-s
Galina-37 [17]

Answer:

(a) -3.708

(b) 1.706

(c) 0.490

Step-by-step explanation:

The z-score of normal distribution is given as:

z=\frac{x-\mu}{\sigma}

(a)

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Score is, x=268

Mean value is, \mu =425

Standard deviation is, \sigma = 51

z-score is, z=\frac{268-425}{51}=\frac{-157}{51}=-3.078

(b)

Given:

Score is, x=512

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(c)

Given:

Score is, x=450

Mean value is, \mu =425

Standard deviation is, \sigma = 51

z-score is, z=\frac{450-425}{51}=\frac{25}{51}=0.490

6 0
3 years ago
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