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Alexxx [7]
3 years ago
6

-15y+7+17y=2y+70 how many solutions are there

Mathematics
2 answers:
oee [108]3 years ago
6 0

Answer:

No solution

Step-by-step explanation:

We are given that an equation

-15y+7+17 y=2y+70

We have to find the number of solutions of given equation.

-15y+7+17y=2y+70

Rearrange the terms

-15y+17y+7=2y+70

Combine like terms

2y+7=2y+70

Subtraction property of equality

2y-2y=70-7

Combine like terms

0=61

But it is not possible.

Therefore, there is no solution of given equation.

tatyana61 [14]3 years ago
5 0

No solution exists for this equation.

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Two whole numbers have a least common multiple (LCM) of 40.
emmasim [6.3K]

Answer:

10 and 8

Step-by-step explanation:

Case 1:

20 and 2

20 = 2^2 x 5

2   = 2^1

=> LCM = 2^2 x 5 = 20 (not 40)

=> Incorrect pair of numbers

Case 2:

10 and 8

10 = 2 x 5

8  = 2^3

=> LCM = 2^3 x 5 = 40

=> GCF = 2

=> Correct pair of numbers

Case 3:

10 and 4

10 = 2 x 5

4  = 2^2

=> LCM = 2^2 x 5 = 20 (not 40)

=> Incorrect pair of numbers

Case 4:

8 and 5

8 = 2^3

5 = 5 x 1

=> GCF = 1 (not 2)

=> Incorrect pair of numbers

Hope this helps!

:)

5 0
3 years ago
Read 2 more answers
The number of miles john ran are 10,11,17,20,16,14,14 and 23. Which statistical measure should john use to determine how much he
mart [117]

Answer:

mean add them all up and divide by 8

Step-by-step explanation:

7 0
3 years ago
Seth buys a handheld gaming system for $129. He pays for the system with seven 20-dollar bills. How much change will Seth get ba
Oduvanchick [21]

Answer:

He will get back 11 dollars.

Step-by-step explanation:

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8 0
3 years ago
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Ainat [17]

This means that...

the first worker does 1/8 of the job each hour.

the second worker does 1/4 of the job each hour.

the third worker does 1/4 of the job each hour.

So together they get 1/8+1/4+1/4 of the job done per hour.

Rate: 5/8 of the job per hour

Now if we know the rate, the job will be finished in...

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5 0
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Answer:

2.436

Step-by-step explanation:

It’s Right Trust me

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