2 years ago

Glve the values of a, b, and c needed to write the equation's standard form. 5 + x)(5 - x) = 7

Mathematics

1 answer:

beks73 [17]2 years ago

3 0

A=1 B=0 C=-18. This will be your correct answer.

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It took them 4 days to install 480 chairs which means if they were working at a constant rate they got 120 chairs installed daily. with 360 chairs left that means in 3 days they will finish. so overall, it took the workers 7 days to finish, or a week.

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An employer uses the linear regression equation mc024-1.jpg to predict the weekly salary, y, of an employee who sells x dollars

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3 years ago

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Express the sum of 3x^2+5x-6 and -x^2+3×+9?

djverab [1.8K]

I hope this helps you

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3 years ago

Mira has breakfast at a restaurant. She leaves a 20\%20%20, percent tip of \$1.80$1.80dollar sign, 1, point, 80.

elena55 [62]

Answer:

$9.00

Step-by-step explanation:

Given that $1.8 is 20% of the breakfast cost.

-We can use proportions to find the 100% cost of the breakfast before the tip.

-Let x be the full breakfast cost:

$0.2=1.8\\1.0=x\\\\0.2x=1.8\times 1.0\\\\\\x=\frac{1.8}{0.2}\\\\=9$

Hence, the full breakfast cost is $9.00 before the tip.

3 0

3 years ago

Mrs. Lopez has $9,118 in her bank account on March 1st. She saves $609 in March. Then she must pay $1,011 in taxes in April. Mrs

Darina [25.2K]

Answer: D

Step-by-step explanation:

She starts off with 9118.

9118

+ 609

- 1,011

+ 705

--------

9421

She lost approximately 300, which isn't an answer. But she does have $9,400.

^.^

- Amanda

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3 years ago