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3 years ago

11

Which of the following equations shows how the solution can be checked? Select the two correct answers. 3(1)+(-2)=1 1-(-2)=3 3(-

2)+(1)=1 -2-1=3

1 answer:

igor_vitrenko [27]3 years ago

6 0

Answer:

the left side 1 does not equal to the right side 3 which means that the given statement is false.

Step-by-step explanation:

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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)

Given:

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, $x=512$

Mean value is, $\mu =425$

Standard deviation is, $\sigma = 51$

z-score is, $z=\frac{512-425}{51}=\frac{87}{51}=1.706$

(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

1. y= 2x - 3<br> y=-3x + 2

Bond [772]

Answer:

x=1,y=-1

Step-by-step explanation:

the ans is 1 and -1.

8 0

3 years ago

2. Find F(x)+g(x)<br> 4 options to pick from

jenyasd209 [6]

Answer:

first option

3x³ - 6x - 4

HOPE IT HELPS YOU

THANK YOU

4 0

3 years ago

32. Given the function below, find f(-7)<br>f(x) = -2x - 1<br>A. 3<br>B. 13<br>c. 4<br>D.-15

azamat

B. 13
-2(-7)-1
14-1
13
The answer is b

8 0

3 years ago

Please help!!!! <br> Solve the following equation for m:<br> m/3=6

RSB [31]

Answer:

$\frac{m}{3} = 6 \\ m = 6 \times 3 \\ = 18$

5 0

3 years ago

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