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3 years ago

A child must be at least 48 inches tall to ride a roller coaster please help me on a. And b thank you so much

Mathematics

2 answers:

suter [353]3 years ago

5 0

I am pretty sure it is a close circle for a. B is no. A child who is 46 inches tall can not ride the dollar coaster since they are 2 inches under the minimum height

stiks02 [169]3 years ago

4 0

Circle the 48 on the graph and make an arrow from 48 to 38

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Find the slop of the line that passes through (8,4) and (5,2).

mote1985 [20]

Answer:

1/4

Step-by-step explanation:

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3 years ago

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Alex17521 [72]

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3 years ago

5j=-25 write the equation

babymother [125]

I hope this helps you

7 0

3 years ago

Let sets A and B be defined as follows.

erica [24]

There are 4 elements in the set A and 8 elements in set B that is n(A) = 4 and n(B) = 8

<h3>Cardinality of a set</h3>

This is the total number of elements in a set. Given the following sets;

A = {c, d, e, f}

B = {odd numbers greater than 5 and less than 23}

B = {7,9,11,13, 15, 17, 19, 21}

Since there are 4 elements in the set A and 8 elements in set B hence n(A) = 4 and n(B) = 8

Learn more on cardinality of set here: brainly.com/question/23976339

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6 0

2 years ago

A college-entrance exam is designed so that scores are normally distributed with a mean of 500 and a standard deviation of 100.

Crank

Answer: 1.25

Step-by-step explanation:

Given: A college-entrance exam is designed so that scores are normally distributed with a mean $(\mu)$ = 500 and a standard deviation $(\sigma)$ = 100.

A z-score measures how many standard deviations a given measurement deviates from the mean.

Let Y be a random variable that denotes the scores in the exam.

Formula for z-score = $\dfrac{Y-\mu}{\sigma}$

Z-score = $\dfrac{625-500}{100}$

⇒ Z-score = $\dfrac{125}{100}$

⇒Z-score =1.25

Therefore , the required z-score = 1.25

6 0

3 years ago