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Agata [3.3K]
3 years ago
8

A school principal wants to find out what the students think about the teaching

Mathematics
2 answers:
Nitella [24]3 years ago
7 0
You didn't show the full question
Leno4ka [110]3 years ago
4 0

Answer:

i think this is the answer

Step-by-step explanation:

A: survey every fifth student who rides in a car to school

B: survey 3 randomly selected students from every homeroom

C: survey every tenth seventh grade student during lunch

D: survey 5 randomly selected students from every art, drama, and music class

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The heights of women aged 20 to 29 are approximately normal with mean 64 inches and standard deviation 2.7 inches. men the same
Artyom0805 [142]
<span>To find the z-scores, find the difference in the number of inches for each value from the mean and then divide that by the standard deviation. For women at 72 inches (6'), this would be (72-64) / 2.7, or a z-score of +2.963. For a male at 72 inches, this would be (72-69.3)/2.8, or +0.964. This shows that the woman at 6 feet tall is more rare in the distribution than a man at 6 feet tall.</span>
5 0
2 years ago
Good night girl ill see you tommorow what does he do next
saveliy_v [14]

Answer:

A. Fall

alright girl hahaha!!

7 0
2 years ago
A bike rental shop rents out bicycles with a flat rate of $6 and then charges $2 per hour a person rents out the bike. Identify
DIA [1.3K]

Answer:

Independent Variable: Number of hours

Dependent Variable: Cost

Equation: C = 2x + 6

Step-by-step explanation:

    The independent variable (x) is the variable that is manipulated. In this instance, that would be the number of hours a person rents out the bike.

    The dependent variable (C) is the variable that is manipulated depending on the value of the independent variable. In this instance, that would be the total cost for renting the bike.

    The total equation would be C = 2x + 6. The coefficient, 2, represents the charge of $2 per hour and the 6 represents the starting charge of $6.

6 0
3 years ago
What is the vertex f(x) = 10x^2 + 20x -11
aniked [119]

Answer:

You and me together

Step-by-step explanation:

;) Think about it 10x meaning looks 10 20x is me obvs and 11 negative. Sorry it's not meant to be:(

7 0
3 years ago
Which expression is equivalent to a^m divide a^n?(20points)
Citrus2011 [14]
<h3><u>Answer</u> :</h3>

\bigstar\:\boxed{\bf{\dfrac{a^m}{a^n}=a^{m-n}}}

<h3><u>Learn More</u> :</h3>

\dag\sf\:\:a^m\times a^n=a^{m+n}

\dag\sf\:\:\dfrac{a^m}{a^n}=a^{m-n}=\dfrac{1}{a^{n-m}}

\dag\sf\:\:a^{-m}=\dfrac{1}{a^m}

\dag\sf\:\:(a^{m})^n=a^{mn}

\dag\sf\:\:a^1=a

\dag\sf\:\:a^0=1

\dag\sf\:\:\sqrt[n]{a^m}=a^{\frac{m}{n}}

6 0
3 years ago
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