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Yuliya22 [10]
3 years ago
6

-6a+3=-2(2a-1)A.a=5B.a=10C.no solutionD.identity​

Mathematics
2 answers:
Basile [38]3 years ago
8 0

Answer:

C. No Solution

Step-by-step explanation:

It can't be identity because the equation is not identical. It is not identical because if you try and solve it, it would look like this: -6a + 3 = -4a + 2. It is not 10 because the equation would look like this: -6(10) + 3 = -2(2(10) - 1), which equals -57 = -38. And finally, it would not be 5 because, the equation would look like this is you try and solve it: -6(5) + 3= -2(2(5)-1), which equals -27 = -18. So, the answer is no solution.

Hope this helps

-Amelia

galben [10]3 years ago
5 0
The answer is C. I just had the question and that was the answer
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Please Help!!!
DochEvi [55]

Sally earns per hour = $12

Sally works for in a week = 16 hours.

So, Sally earns in a week = 12\times16=192

Sally can save money each week= 20% of 192

\frac{20}{100}\times192=38.40

A. How much does she earn each week ? Sally earns $192 in a week.

B. How much money will she save each week? Sally will save $38.40 each week.

C. How much money will she save each month (assume there are 4.3 weeks in a month)

Savings of 1 week = $ 38.40

Savings of 4.3 weeks = 4.3\times38.40=165.12

Hence, she will save $165.12 in a month.

D. How many months will it take her to save the money?

Total money needed = $1800

Number of months needed to collect this amount =

\frac{1800}{165.12}=10.90

Hence, it will take 11 months approx to save $1800.



5 0
3 years ago
HELP DUE IN 15 MINS!
boyakko [2]

Answer:

r = 2\sqrt{5}

(x - 3)^{2} + ( y - 2)^{2} = 20

Is this a live test question or a homework question?

Step-by-step explanation:

the radius is the distance between (3, 2) and (5, -2)

r^{2} = {(3 - 5)^{2} + (2 + 2)^{2}  }

    =  (-2)^{2} + 4^{2}

    =  4 + 16 = 20

r = \sqrt{20 } = 2\sqrt{5}

Equation of circle:   (x - 3)^{2} + ( y - 2)^{2} = 20

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</span>
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