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Helen [10]
3 years ago
13

Is 3y-5=y+2y-9 a infinitely many solutions, one solution, or no solution?

Mathematics
2 answers:
LuckyWell [14K]3 years ago
8 0

There is no solution to this equation. We end up with a false statement without a variable.

denis23 [38]3 years ago
5 0
3y-5=y+2y-9
3y-5=3y-9 (add the y's on the right side)
-5=9 (cancel out 3y on both sides because they are the same)
No solution (-5 does not 9 so there is no solution)
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Write one pair of brackets in this calculation so that the answer is correct. 5 + 2 × 7 – 4 = 11
BartSMP [9]

Answer:

5+2*(7-4) =11

Step-by-step explanation:

This expression was kind of trial and error for me seeing as I'm not really good at logic, but this is pretty basic. There are three possible places the parentheses can be placed (assuming each pair holds 2 terms);

(5+2)*7-4\\5+(2*7)-4\\5+2*(7-4)

The answer to the first expression would be 45, which is not equal to 11.

The answer to the second expression would be 15, which is also not equal to 11.

The answer to the last expression is 11, so that is the correct answer.

Hope this helped :D

- Shay

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4 years ago
I need some help with geometry?​
kramer
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9x+7= AB
9(2)+7=AB
18+7= AB
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3 years ago
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Ede4ka [16]

Answer:

x= \frac{y}{4} - \frac{3}{2}

Step-by-step explanation:

7 0
3 years ago
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What is the value of x in the diagram below?
Fiesta28 [93]

Answer:

11 = x

Step-by-step explanation:

The given angles are alternate interior angles so they have same measurement

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6 0
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Answer:

-8 and 9

Step-by-step explanation:

-8 x 9  = -72

and  -8 + 9 = 1

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