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Step2247 [10]
3 years ago
15

Please help meeeeeeeeee

Mathematics
2 answers:
SVETLANKA909090 [29]3 years ago
6 0

ANSWER

A. 12

EXPLANATION

From the stem-and-leaf plot, the trees that are between 610 inches tall and 640 inches tall are:

613,616,622,622,624,625,631,631,633,637,637,and 638.

Counting the number of trees gives 12 of them.

Therefore, the number of trees that are between 610 inches tall and 640 inches tall is 12.

The correct answer is A.

natta225 [31]3 years ago
4 0

Answer:

c

Step-by-step explanation:

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You are an assistant director of the alumni association at a local university. You attend a presentation given by the university
NNADVOKAT [17]

Answer:

(0.102, -0.062)

Step-by-step explanation:

sample size in 2018 = n1 = 216

sample size in 2017 = n2 = 200

number of people who went for another degree in 2018 = x1 = 54

number of people who went for another degree in 2017 = x2 = 46

p1 = x1/n1 = 0.25

p2 = x2/n2 = 0.23

At 95% confidence level, z critical = 1.96

now we have to solve for the confidence interval =

<h2> p1 -p2 ± z*\sqrt{((1-p1)*p1)/n1 + ((1-p2)*p2/n2}</h2>

0.25 -0.23 ± 1.96*\sqrt{((1 - 0.25) * 0.25)/216 + ((1 - 0.23) *0.23/200}

= 0.02 ± 1.96 * 0.042

= 0.02 + 0.082 = <u>0.102</u>

= 0.02 - 0.082 = <u>-0.062</u>

<u>There is 95% confidence that there is a difference that lies between  - 0.062 and 0.102 on the proportion of students who continued their education in the years, 2017 and 2018.</u>

<u></u>

<u>There is no significant difference between the two.</u>

5 0
3 years ago
Write the following ratio in simplest form 8 to 12
Nonamiya [84]

Answer:

2/3 or 2 to 3

Step-by-step explanation:

Good luck!

5 0
3 years ago
If g(x) = 3x - 5, then g -1(x)=<br><br><br><br> 3x + 5
ludmilkaskok [199]

Hey!

-------------------------------------------------

This just shows to substitute all of x with -1.

g(-1) = 3(-1) - 5

g(-1) = -3 - 5

g(-1) = -8

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Hence, the answer is -8!

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Hope This Helped! Good Luck!

3 0
3 years ago
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Can I have help I am stuck on this problem It would mean the world if u helped me and tysm!! =-)
Leona [35]
Answer : 424.875 miles

The problem states that Brian can travel ‘27.5’ miles per gallon, and his tank can only hold ‘15.45’ gallons of fuel.

To find the miles he can travel, all you have to do is multiply the miles he can travel per gallon (27.5) by the gallons he has in the tank (15.45).

This gives you the answer of 424.875 miles.
4 0
2 years ago
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What is the solution to the liner equation That -12+3b-1=-5-b
andrew11 [14]
-13+3b = -5-b

4b -13 = -5
4b = 8

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3 years ago
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