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sesenic [268]
3 years ago
14

Help me with this math problem I will give BRAINLIEST for the right answer. Show your work**

Mathematics
1 answer:
aev [14]3 years ago
3 0

Answer:

The answer is 9x-4.

Step-by-step explanation:

First calculate the area of the backyard. This is 13x-1. Then multiply the area of the patio so multiply x +3 by x+ 3. The answer to this is 4x+3. Next subtract the area of the patio from the area of the backyard. The answer is 9x-4.

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Darren’s basket contains 5 peanut butter cookies and 3 sugar cookies. He picks two cookies at random without replacing the first
Inessa05 [86]

Answer:

the probability he will pick a sugar cookie is 3/8

the probability that he will pick a peanut butter cookie is 5/8

5 0
3 years ago
Spencer and his sister watched a cartoon movie that was 1 hour and 20 minutes long. After the movie, they played a card game for
liberstina [14]

Answer:

10:45 - they started watching the film at this time

Step-by-step explanation:

4 0
3 years ago
LeAnn wants to giftwrap a present she got for her little brother. How many square inches of giftwrap will be needed to cover a b
Alex777 [14]
The question is asking to calculate how many square inches of gift wrap will be needed to cover a box that is 4 in x 6 in x 6 in x 2 in, base on my further research, I would say that the answer would be 88 in^2. I hope that you are satisfied with my answer and feel free to ask for more 
5 0
3 years ago
Ria can paint a room in 4 hours. Destiny can paint the same room in 6 hours. How long would it take Ria and Destiny to paint the
Lerok [7]

Time taken by Ria to paint a room = 4 hours

Time taken by Destiny to paint a room = 6 hours

If they work together, they complete 1 job. So,

\frac{1x}{4}+\frac{1x}{6}=1

The LCD of 4 and 6 is 12

\frac{3x+2x}{12}=1

\frac{5x}{12}=1

5x=12

x=\frac{12}{5}

Hence, both of them can paint the room in \frac{12}{5} hours or 2.4 hours.


4 0
3 years ago
Read 2 more answers
1. Suppose that cos B = 0.68. What is the value of sin(a)? Explain.
Papessa [141]

The value of Sin(a) suppose that Cos B = 0.68 in which case, a + B = 90° is; 0.68.

<h3>Trigonometry</h3>

First, when we have two angles, whose sum equals, 90°.

In essence, Since the algebraic sum of angles A and B is 90°;

  • A + B = 90.

  • B = 90 -A.

By trigonometric identity;

  • Sin A = Cos (90 - A)

Where; (90 - A) = B.

Therefore; Sin A = Cos B = 0.68.

Read more on trigonometry;

brainly.com/question/20519838

5 0
2 years ago
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