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bulgar [2K]
3 years ago
14

Q. If heights of 3rd graders follow a normal distribution with a mean of 52 inches and a standard deviation of 2.5 inches, what

is the z score of a 3rd grader who is 47 inches tall?
A. z=-5
B. z=-2
C. z=2
D. z=5
Mathematics
1 answer:
zaharov [31]3 years ago
3 0

Answer:

-2

Step-by-step explanation:

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Complete factorization
Lostsunrise [7]

Answer:

A. 2x + 1

Step-by-step explanation:

6x³ - 15x² - 9x

3x (2x² - 5x - 3)

3x (2x² + x - 6x - 3)

3x (x (2x + 1) - 6x - 3)

3x (x (2x + 1) - 3 (2x + 1))

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one of the factor of the complete factorization is <u>A</u><u>.</u><u> </u><u>2</u><u>x</u><u> </u><u>+</u><u> </u><u>1</u>

5 0
3 years ago
Read 2 more answers
Jenna's pool is 22 feet long, 12 feet across and 6 feet deep.How many square feet of plaster will it take to cover it? (Be caref
photoshop1234 [79]

Answer:

264sq feet

Step-by-step explanation:

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7 0
2 years ago
Whats the value of number 3 in 6,035
Sergio039 [100]
<span>When writing a number, the values that given to the numbers are as follows, starting from the right: ones, tens, hundreds, thousands, ten thousands, etc. The three is located on the second position from the right, meaning it is in the tens place. The significance of this is that it has 3 tens, which means its value is 30.I hope that my answer is helpful! Let me know if you need something more :)</span>
6 0
3 years ago
Natalie is in the business of manufacturing phones. She pays a cost of $50 per
Trava [24]

Answer:

  C = 50p +900

Step-by-step explanation:

Table: (phones, cost) = (0, 900), (1, 950), (2, 1000).

Equation: C = 900 +50p

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The fixed cost (900) is the "y-intercept" of the equation in slope-intercept form. The cost per phone (50) is the "rate of change" or slope.

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Answer: I would say C, hope this helps

Step-by-step explanation:

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