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Ksju [112]
3 years ago
5

Two brothers bought together 10 books. One brother bought four books. How

Mathematics
2 answers:
oksian1 [2.3K]3 years ago
6 0

Answer:

The other brother bought 6

Step-by-step explanation:

10 books in total

4 books bought by one brother

10 - 4 = 6

Ludmilka [50]3 years ago
5 0

Answer:

2b+4b=10b  the other brother bought 6 books.

Since we already know how many the other brother bought, we don't need to find that information.

Step-by-step explanation:

2b+4b=10b

combine like terms and subtract.

6b=10b

=4b

(hope this is correct.)

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639.497 rounded to the nearest tenth
Sphinxa [80]
It is 639.5. this is how you round numbers to the nearest tenth: 

if the digit in the hundredths place is 5 or more you round up one, if it is lower than 5 it stays the same, pay no attention to the thousandths place....ex--> 0.497 
the 4 is the tenths place 
th 9 is the hundredths place 
the 7 is the thousandths place......since 9 is 5 or more you round the 4 up one number, so the 4 would be a 5. pay no attention to the 7. lets do another 

0.426 
the 4 stays as a 4 because 2 is a lower number than 5.
7 0
3 years ago
What is the reciprocal of 11/10?
evablogger [386]
Just flip your fraction around and your answer will be 10/11
7 0
3 years ago
Read 2 more answers
7. The measures of the angles in a triangle are in the extended ratio of 3:4:5. Find the
Mashcka [7]

Answer:

Below.

Step-by-step explanation:

Angle 1 = (3/(3+4+5) * 180 = 3/12 * 180

= 45 degrees.

Angle 2 = 4/12 * 180 = 60 degrees.

Angle 3 = 5/12 * 180 = 75 degrees.

6 0
3 years ago
A (0,5)<br> B (3, 11)<br> What’s the equation
slava [35]
Y=2x+5
goes up by 2, which is the gradient and 5 is the y intercept
6 0
1 year ago
Please help and show work
gladu [14]

Answer:

A

Step-by-step explanation:

First I converted the fractions into decimals to make it easier to solve.

2 1/2 —> 2.5

1 3/4 —> 1.75

Then I added the two decimals together.

2.5 + 1.75 = 4.25

Then I divided this number by 100 (the number of cups in one bag)

100/4.25=23.529

With this equation I know that one bag lasts 23 full days.

This is almost a month, and so it would not make sense for the answers to be B, C, or D.

Hope this helped

8 0
3 years ago
Read 2 more answers
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