2 years ago

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Mathematics

1 answer:

Ronch [10]2 years ago

4 0

Answer:

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Andrew can paint a 15 ft. by 18 ft. wall in 35 minutes. He had to paint ten of these walls in his house. If he started at 1:00 p

Aloiza [94]

He will finish at 6:50. It will take him 5 hours and 50 minutes. Hope this helps!

Aye Sir!

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2 years ago

Read 2 more answers

3. Solve each equation, and check your solution.

Alisiya [41]

1) 2m - 16 = 2m + 4

2m - 2m = 4 + 16

0 = 20 (no solution)

2) -4(r + 2) = 4(2 - 2r)

-(r + 2) = 2 - 2r

-r - 2 = 2 - 2r

-r + 2r = 2 + 2

r = 4

3) 12(5 + 2y) = 4y - (6 - 9y)

60 + 24y = 4y - 6 + 9y

60 + 24y = 13y - 6

24y - 13y = -6 - 60

11y = -66

y = -6

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2 years ago

Express {x+1}{2x-3} as a trinomial.

Marizza181 [45]

Answer:

$2x^2 + 5x + 3$

Step-by-step explanation:

First, expand the original equation:

(x + 1)(2x + 3)

$2x^2 + 3x + 2x + 3$

Now simplify:

$2x^2 + 5x + 3$

And that's your answer!

6 0

2 years ago

jen wants to tile the floor of her kitchen. The floor is rectangular and measures 12 feet by 8 feet. if it costs $2.50 per squar

alexgriva [62]

Answer:

$240

Explanation:

12 × 8 = 96 _________ area in square feet

96 × 2.50 = 240 _________ in dollars

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2 years ago

Find the result when 5m + 2 is subtracted from 9m

PtichkaEL [24]

9m - (5m + 2)

9m - 5m = 4m

4m + 2 is your answer

hope this helps

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2 years ago