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marta [7]
3 years ago
6

Please help me!!! Select all of the equations for which the solution is 20. A) n-4 B) 10n=20 C) n/5=4 D)7+n=13 Please wander imm

ediately!!!
Mathematics
1 answer:
Cerrena [4.2K]3 years ago
8 0
I'm guessing it is C because after you solve for n (you need to multiply the five over to isolate n), you get 20.
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al receives $25 weekly allowance. he also babysits his two younger siblings on weekends and is paid $9 per hour. al's friend, Ma
Harlamova29_29 [7]
To answer this question you would set this up as an equation with all the information about Al on one side being equal to all the information for Matthew on the other side. This is what it would look like: $25 + $9h= $14h. h represents the number of hours they work. It they each worked 5 hours a week, they would make the same amount of money. I determined this by solving the equation for h. I subtracted 9h on both sides leaving you with $25=5h. H would equal 5 hours.
7 0
3 years ago
A B C D
jok3333 [9.3K]

Answer:

b or d

Step-by-step explanation:

6 0
3 years ago
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The heights of women aged 20 – 29 in the United States are approximately Normal with mean 64.2 inches and standard deviation 2.8
Bumek [7]

Answer: 0.64

Step-by-step explanation:

Given : The heights of women aged 20 – 29 in the United States are approximately Normal with \mu=64.2 inches and \sigma=2.8 inches.

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Then, the z-score corresponds to x=66 inches will be :-

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Hence, the z ‑score for a woman 5.5 feet tall = 0.64

8 0
4 years ago
Here is the picture
jeka94

Answer: It's the first option

Step-by-step explanation: positive 2x because it is going up 2, 1 to the right (rise/run) and +5 because it touches the y-axis at 5. -2x because it's going down 2, 1 right (rise, in this case negative/run) and -2 because it touches the y-axis at -2.

3 0
3 years ago
8-c is at most -15 how do i translate this into a sentence?
emmainna [20.7K]

The largest number that 8c could be is -15

3 0
3 years ago
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