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egoroff_w [7]
3 years ago
14

HELP PLEASE HELP MEEEE PLEASEEE

Mathematics
2 answers:
salantis [7]3 years ago
8 0

Answer: a. x=4 b. x=17.5

Step-by-step explanation:

a. 5x/2+1=11

subtract 1 from both sides : 5x/2=10

multiply both sides by 2 : 5x=20

divide both sides by 4 : x=4

b. 2x/7-3=2

add 3 to both sides : 2x/7=5

multiply both sides by 7 : 2x=35

divide both sides by 2 : x=17.5

Artist 52 [7]3 years ago
3 0
B. jensjsynsnsnehdjejd
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Charlie reads quickly . He reads 1and3/7 pages every 2/3 minutes.How many pages does he read pre minute?
SVETLANKA909090 [29]
Hello there!

First, we need to admit that math is a hard subject. So, how do we handle hard stuff? We find an easy way. Right?

Well same goes here. They give the fractions to drive us crazy. Let's find the easiest way...

The easiest way is to turn them into decimals.
1 3/7 = 1.42 which is the amount of pages he reads
2/3 = 0.67 minute.

The are asking us how many pages does he reads per minute.

So we gonna say:
Charlie reads 1.42 pages ......> 0.67
Charlie reads x pages.............> 1minute

Cross multiply

0.67 * x = 1 * 1.42
0.67x = 1.42
x = 1.42/0.67
x = 2.11

So, Charlie reads 2.11 pages in 1 minute.


I hope this helps. Please let me know if you have questions about the answer.

Thanks!


5 0
4 years ago
Solve the inequality 2x - 3
Crank
That's not an inequality. 
6 0
3 years ago
On the first play, a football team lost 6 yards, on the second play they gained 20 yards, what was their total change in yards?
Arada [10]
20 - 6 = 14
so the answer is 14
3 0
3 years ago
If a 45º-45º-90º triangle has a hypotenuse of length 9, find the leg length.
iVinArrow [24]

Answer:

Step-by-step explanation:

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9.

x²+x²=11²

2x²=11²

x²=11²/2

x=11/√2=11√2/2≈7.78

7 0
3 years ago
1. Samantha purchased a cookie(c) and carton of milk. If the milk cost $1.25 and the total amount of the items was $2.50. Which
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Answer:

Step-by-step explanation:

First one is C+1.25=2.50

2.    5V=30

3.     X-44

I hope this helped.

6 0
3 years ago
Read 2 more answers
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