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vodka [1.7K]
3 years ago
13

Find the product (7v+8)(4v2 - 8v+1)

Mathematics
2 answers:
Misha Larkins [42]3 years ago
5 0

7v(4v2-8v+1)+8(4v2-8v+1)

28v3-56v2+7v+32v2-64v+8

Answer= 28v3 -24v2 -57v +8

Bess [88]3 years ago
4 0
The answer is shown in the pic and the works to show how to get the answer

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Joe spends 18.75% of his working day washing cars. He spends 1.5 hours washing cars. How many total hours does he work per day?
insens350 [35]

Answer:

8 hours

Step-by-step explanation:

Joe spends 18.75% of his working day washing cars.

Joe spends 1.5 hours washing car.

Therefore 18.75% is equal to 1.5 hour.

18.75% = 1.5 hour

1% = 1.5 ÷ 18.75 = 0.08 hour

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4 0
3 years ago
Whats the value of the 2 in 0.812 and write the underline digit as a fraction.
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Answer:

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3 years ago
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Step-by-step explanation:

4 0
3 years ago
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13. Write the equation of a horizontal line that passes through the point (3, -3).
Step2247 [10]

Answer:

O y = -3

Step-by-step explanation:

The line is horizontal.

x = -3 and x = 3 are vertical lines, so they are incorrect.

The line passes through (3, -3).

                                         (x ,  y)

Put y as -3.

y = 3

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Line y = 3 is incorrect.

(-3) = -3

Line y = -3 is correct.

3 0
3 years ago
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Answer:

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3 years ago
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