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Monica [59]
2 years ago
6

If a = b, then a - c ____ equals b - c. Select one: a. always b. sometimes c. never

Mathematics
1 answer:
FromTheMoon [43]2 years ago
8 0

Always

a=b

subtract c from each side

a-c = b-c

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The two sides of a right triangle that are not the hypotenuse are called
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Step-by-step explanation:

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3 0
3 years ago
A college football coach has decided to recruit only the heaviest 15% of high school football players. He knows that high school
Alla [95]

Answer:

The coach should start recruiting players with weight 269.55 pounds or more.                                                    

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 225 pounds

Standard Deviation, σ = 43 pounds

We are given that the distribution of weights is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

We have to find the value of x such that the probability is 0.15

P( X > x) = P( z > \displaystyle\frac{x - 225}{43})=0.15  

= 1 -P( z \leq \displaystyle\frac{x - 225}{43})=0.15  

=P( z \leq \displaystyle\frac{x - 225}{43})=0.85  

Calculation the value from standard normal z table, we have,  

P(z < 1.036) = 0.85

\displaystyle\frac{x - 225}{43} = 1.036\\\\x = 269.548 \approx 269.55

Thus, the coach should start recruiting players with weight 269.55 pounds or more.

3 0
3 years ago
Calvin saved 1/4 of the price of the car he wanted to buy which fraction is 1/4 A 2/12
Wewaii [24]

Answer:

1/4 = 5/20

Step-by-step explanation:

1/4 = 5/20

5 0
3 years ago
Read 2 more answers
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