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Shalnov [3]
3 years ago
11

Combine like terms to simplify each expression

Mathematics
1 answer:
Anna35 [415]3 years ago
4 0
1) 1x or just x
2) 6y-5
3) 7n+5
4) -9x-6
5) 12x+14
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A rectangular swimming pool has an area of (70x + 10) square feet. Find possible dimensions of the pool.
Ann [662]

Answer:

and means + or addition

so 10x+7+x

11x+7

6 0
3 years ago
#14 write the given sentence as an equation. Tim'S age in 7 years will be three times what it was 19 years ago
kobusy [5.1K]
The first thing we must do for this case is to define variables.
 We have then:
 x = Tim's age
 Now we write the equation:
 x + 7 = 3 (x-19)
 Answer:
 
Tim's age in 7 years will be three times what it was 19 years ago:
 
x + 7 = 3 (x-19)
3 0
3 years ago
How can I use models to help me divide??
Ivan
You can use models to help you divide by making the number of models as your divisor. For example let's say I am dividing 8 ÷ 2. So you would make 8 circles (doesn't have to be circle it can be whatever like squares) and then make groups of 2 until you run out of circles. Then how many groups there are is your answer. 8÷2=4. Hope I helped!
4 0
2 years ago
What is the answer to -1 3/5 ÷ 5/-6 ???
Anna007 [38]
Thats what I got. I hope it helps :)

3 0
3 years ago
A coffee distributor plans to mix some Rift Valley coffee that normally sells for $12.10 per pound with some Mexican Shade Grown
-BARSIC- [3]

Answer:

24 pounds of Rift Valley coffee

26 pounds of Mexican Shade Grown coffee

Step-by-step explanation:

If R is pounds of Rift Valley coffee, and M is pounds of Mexican Shade Grown coffee, then:

R + M = 50

12.10 R + 13.10 M = 12.62 (50)

Substitute:

12.10 R + 13.10 (50 − R) = 12.62 (50)

12.10 R + 655 − 13.10 R = 631

R = 24

M = 26

8 0
3 years ago
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