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finlep [7]
3 years ago
5

What are some equivalent expressions for 12r-5? If you read this please help!

Mathematics
1 answer:
jok3333 [9.3K]3 years ago
3 0

Answer:

(24r-10)/2

Step-by-step explanation:

12r-5 multiply by 2

24r-10

Make it equivalent by adding a fraction bar

(24r-10)/2

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For every 5 pages in a book Fred reads, Lonnie reads 4 pages. In 1 hour, they read a combined total of 36 pages. How many pages
nydimaria [60]

Answer:

Hence the number of pages read by Lonnie is 16 pages when they read a combined of 36 pages.

Step-by-step explanation:

The table that can be formed by the rate at which they study the number of pages of a book is:

Fred     Lonnie       total

 5           4                9

 10          8               18

 15          12              27

 20         16              36

That means when they read a combined of 36 pages.

Then the number of pages read by Fred is 20 pages.

and the number of pages read by Lonnie is 16 pages.

(

Also it could be done as :

Let Fred reads 'x' pages.

so, the number of pages read by Lonnie is: (4/5)x

Hence,

x+(4/5)x=36

on solving this linear equation we have:

x=20

and (4/5)x=16

)

Hence the number of pages read by Lonnie is 16 pages when they read a combined of 36 pages.

3 0
3 years ago
It’s 2019! To celebrate the New Year, students are going to count to 2,019. It takes 1 second to count each number. If they begi
lys-0071 [83]

Answer:

Yes they can

Step-by-step explanation:

1 hour is 3600 seconds

6 0
3 years ago
(20 points and brainliest) Which table best classifies the following numbers as rational and irrational? negative 4 over 5., squ
Mademuasel [1]

Answer:

Step-by-step explanation:

cant tell what goes with which chart....but I can do this,..

negative 4 over 5 .......rational

sqrt 2....irrational

2.5.....rational

0.4 bar.....irrational

sqrt 16....rational

8 0
3 years ago
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