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crimeas [40]
3 years ago
11

This is for middle school 8th grade new question need help last one :)

Mathematics
1 answer:
hodyreva [135]3 years ago
6 0

Answer:

He Iransition 1 2 34 y= $ 50 -3.75 (x) y= $30 - 19.99 (x) 7

Step-by-step explanation:

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Jim adds 20 to it, then doubles it and gets an answer of 99.2. What was the original number?
riadik2000 [5.3K]

(n+20)*2 = 99.2

distribute

2n + 40 = 99.2

subtract 40 from each side

2n = 59.2

divide each side by 2

n = 29.6

7 0
3 years ago
There are (4^9)^5 ⋅ 4^0 books at the library. What is the total number of books at the library?
Sidana [21]
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3 0
3 years ago
what equation represents the road that passes through the point shown and is perpendicular to the road represented by the red li
omeli [17]

Answer: The equation that represents the road is y= - 1/3x +1/3

Step-by-step explanation:

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3 years ago
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enot [183]
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7 0
3 years ago
4 students measure their height. Their heights measure 184 cm, 192 cm, 164 cm, and 200 cm. What is the mean height of the studen
melomori [17]
The mean is the average, which is the sum of all the numbers divided by the total numbers there are. I will add them up for you, and then work from there.
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740/4 = 185.
Your average (mean) height of the students is 185cm.
I hope this helps!
8 0
3 years ago
Read 2 more answers
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