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barxatty [35]
3 years ago
11

81(p+q)^2-9p-9q Factor this

Mathematics
2 answers:
polet [3.4K]3 years ago
8 0

Answer:

9(p + q)(9p + 9q - 1)

Step-by-step explanation:

Given

81(p + q)² - 9p - 9q ← factor out - 9 from these 2 terms

= 81(p + q)² - 9(p + q) ← factor out 9(p + q) from each term

= 9(p + q)(9(p + q) - 1)

= 9(p + q)(9p + 9q - 1)

vredina [299]3 years ago
5 0

Step-by-step explanation:

May this help you!!!!!!!!!!

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You want to paint the walls of your bedroom. Two walls measure 16 ft by 8 ft, and the other two walls measure 15 ft by 8 ft. The
masha68 [24]

Answer:

a

Step-by-step explanation:

becuse i got it right

7 0
3 years ago
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Black Diamond Ski Resort charges $50 for ski rental and $15 an hour to ski. Bunny Hill Ski Resort charges $75 for ski rental and
andrew11 [14]

Answer:

The cost of 5 hours of skiing would be the same ($125) after 5 hours.

Step-by-step explanation:

Black Diamond:  ChargeBD(h) = $50 + ($15/hr)h, where h is the number of hours spent skiing.

Bunny Hill:  ChargeBH(h) = $75 + ($10/hr)h

We equate these two formulas to determine when the cost of using the ski slopes is the same:

ChargeBD(h) = $50 + ($15/hr)h = ChargeBH(h) = $75 + ($10/hr)h

We must now solve for h, the number of hours spent skiing:

50 + 15h = 75 + 10h

Grouping like terms, we obtain:

5h = 25, and so h = 5 hours.

The cost of 5 hours of skiing would be the same ($125) after 5 hours.

3 0
3 years ago
A bag contains 5 red marbles 7 yellow marbles and 3 blue marbles what is the probability of not drawing one blue marble at rando
hram777 [196]

Answer:

You have a 0.8 / 80% of NOT picking the blue marbles.

Step-by-step explanation:

5 + 7 + 3 = 15

15 - 3 = 12

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4 0
3 years ago
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State what additional information is required in order to know that the triangles are congruent for the reason given.
Fittoniya [83]

Answer:

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Step-by-step explanation:

Reason given: SSS

Information given: Two sides of each triangle are congruent to corresponding sides

<u>Missing information is the remaining side, that is:</u>

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3 years ago
Which choice correctly expresses the solution set in the inequality in words?
Vera_Pavlovna [14]

Answer:

The answer to your question is letter A.

Step-by-step explanation:

Inequality                   x + 2 ≥  5

Solve the inequality, remember that inequalities and equations are solved in similar ways.

- Subtract 2 in both sides

                                   x +2 - 2 ≥ 5 - 2

- Simplify

                                          x ≥ 3      

- Remember that this sign "≥" means that x is greater or equal to a number, and this sign "≤" means that x is lower or equal to a number.

The option that satisfies our inequality is the first option.                    

                           

6 0
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