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Irina-Kira [14]
3 years ago
8

Simplify the expression: 3x + 7y - 5x + 9x - y

Mathematics
2 answers:
Korolek [52]3 years ago
5 0

Answer:

B. 7x + 6y

Step-by-step explanation:

  3x + 7y -5x +9x -y

= (3x - 5x +9x) + (7y - y)

= 7x + 6y

Allushta [10]3 years ago
3 0

Step-by-step explanation:

10x+4y.............

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3 years ago
Find a real number between each pair of numbers.
MA_775_DIABLO [31]

Answer:

This is not very clearly written, so i will answer in a general way.

When you have two numbers, A and B, such that:

B > A

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Then if we have:

13 and 12.

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6.42 and 2

The largest number is 6.42, then we want a number smaller than 6.42 and larger than 2.

An option is 4.

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A harder example can be:

13.24 and 13.25

We want something larger than 13.24 and smaller than 13.25

Then we can write:

13.245

This is larger than 13.24 (by 0.005)

And smaller than 13.25 (by the same amount)

13.24 <  13.245 < 13.25

7 0
3 years ago
Pls help 10 ptsssssssssssss<br> NO LINKS
Hunter-Best [27]

Answer:

the answer is 14.

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Two hundred seventy-five millionths in standard form. Explain your answer.
Korolek [52]
.00000275




remember this .0 is tenths .00 hundredth .000 thousandth ect.
5 0
3 years ago
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