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eimsori [14]
3 years ago
8

[55 POINTS] Did I match these like terms correctly?

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
8 0
Yea you did jsixidjdjiejs
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Select the correct answer. Simplify the expression below. 4x(3x − 7) − 19x2 A. -7x2 − 7 B. -35x2 C. -7x2 − 28x D. -31x2 − 28x
morpeh [17]

Answer:

C. -7x^2-28x

Step-by-step explanation:

The given expression is 4x(3x-7)-19x^2

We apply the distributive property to expand the parenthesis

12x^2-28x-19x^2

Regroup similar terms to get:

12x^2-19x^2-28x

Combine the similar terms to obtain:

-7x^2-28x

The correct option is C.

5 0
3 years ago
Lindsay earn $7.65 per hour.Her boss has promised her a 7% raise next month. If she works 40 hour per week, how much will she ea
zzz [600]

Answer:

She would make $327.60 each week after the raise

Step-by-step explanation:

First we need to find how much she will make per hour. We can do this by multiplying the per hour rate by the percentage of the raise.

$7.65 * 7% = $0.54

Now we add this amount to the previous hourly rate.

$7.65 + $0.54 = $8.19

Now that we have the new hourly rate, we multiply it by the number of hours that she works.

$8.19 * 40 = $327.60

8 0
3 years ago
A worker has 25 feet of ribbon to make bows. Each bow uses 2 feet of ribbon. The worker divides 25 by 2 and gets 12.5 as an answ
Andreyy89
It’s B or D , im not that good but I don’t know , so try your best or take educated guess ( or ask a parent )
8 0
3 years ago
Please help with this question so I'm going to fail math
vovangra [49]

Answer:

108: 4x3^3, 3^2x12, 6^2x3

96: 2^5x3, 2^3x122^4x6

Step-by-step explanation:

7 0
2 years ago
Joe paid 14.00 for a broard game. THis is 70% of the orginal price. What was the orginal price?
levacccp [35]

Answer:

20.00

Step-by-step explanation:

14 is 70% of X

70/100 × X = 14

X = 14 × 100/70

X = 20.00

5 0
3 years ago
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