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Dafna11 [192]
2 years ago
6

Please answer all three questions for full points.​

Mathematics
1 answer:
ludmilkaskok [199]2 years ago
5 0

Answer:

Step-by-step explanation:

1. a) vertical stretch by a factor of 5 and

  e) reflection over x-axis

2. c) reflection over the y-axis

   e) horizontal shift to the right 4 units

3. c) horizontal shift

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A student is trying to solve the system of two equations given below:
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Answer: B: (y + z = 6) × -5

Step-by-step explanation:

if you multiply 'y' by -5 it turns into -5y. Therefore when you add -5y and 5y together, you get 0y which is what you want when eliminating the y-term.

8 0
2 years ago
Question 5
Tcecarenko [31]

Answer:

The COP is 0.5

Step-by-step explanation:

First we must find the slopes.

12.50/25 = 0.5

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The COP is 0.5

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3 years ago
A study shows that 20% of college students pray daily in their own religious beliefs. In a group of 300 college students, find t
svetlana [45]

Answer:

0.2805

Step-by-step explanation:

Given that p = 20% = 0.2, n = 300.

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The standard deviation (σ) = \sqrt{np(1-p)}=\sqrt{300*0.2(1-0.2)}=6.93

The z score is used to determine by how many standard deviations the raw score is above or below the mean. The z score is given by:

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

For x = 57:

z=\frac{57-60}{6.93 } =-0.43

For x = 62:

z=\frac{62-60}{6.93 } =0.29

From the normal distribution table, P(57 < x < 62) = P(-0.43 < z < 0.29) = P(z < 0.29) - P(z < -0.43) = 0.6141 - 0.3336 = 0.2805

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2 years ago
Mr. Jacobs has 5 math classes. He teaches a total of 30 boys and 45 girls.
Katyanochek1 [597]

Answer:

30 :75

Step-by-step explanation:

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3 years ago
A number equals four less than three times the number.<br> How do you write this equation
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n = 4 - 3

Step-by-step explanation:

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2 years ago
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