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evablogger [386]
3 years ago
11

A hot air balloon is descending

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
6 0

Answer:

54 3/4

Step-by-step explanation:

18*3=54

1/4*3=3/4

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State whether each situation has independent or paired​ (dependent) samples. a. A researcher wants to compare the hand–eye coord
Alex73 [517]

Answer:

a. A researcher wants to compare the hand–eye coordination of men and women. She finds a random sample of 100 men and 100 ​women, and measures their hand–eye coordination = paired samples

b. A researcher wants to know whether professors with tenure have fewer office hours than professors without tenure. She observes the number of office hours for professors with and without tenure. =  independent samples

Explanation:

Paired-samples t tests compare scores on two different variables but for the same group of cases; independent-samples t tests compare scores on the same variable but for two different groups of cases.

6 0
3 years ago
If √7-y=6, then y= <br> -29<br> -5<br> 1<br> 29<br> I don't know
sleet_krkn [62]

Hello!

√7 - y = 6 <=>

<=> -y = 6 - √7 <=>

<=> y = -6 + √7 => √7 - (-6 + √7) = 6

Good luck! :)

5 0
2 years ago
Solve this problem in your notebook using all four steps. Harvey is 3 times as old as Jane. The sum of their ages is 48 years. F
JulsSmile [24]
Harvey is 3 times as old as Jane." 
<span>h = 3j </span>

<span>"The sum of their ages is 48 years." </span>
<span>h + j = 48 </span>

<span>substitution </span>
<span>(3j) + j = 48 </span>
<span>4j = 48 </span>
<span>j = 12 </span>
<span>h = 3j = 36</span>
3 0
3 years ago
Leila and jo are two of the partners in a business. Leila makes $3 in profits for every $4 that jo makes. If their total profit
Anastaziya [24]
Total profit=105
105/4=26.25
26×3=78

Leila made $78.
6 0
3 years ago
−7x − 13 = −48 Some one pls answer this
Oksanka [162]

Answer:

-7x -13= -48 (add 13 to both sides)

-7x = -35 (divide both sides by -7)

x= 5 (is your answer)

4 0
3 years ago
Read 2 more answers
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