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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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Which of the binomials below is a factor of this trinomial?<br> x² - 4x - 12
marysya [2.9K]

Step-by-step explanation:

x2 - 4x - 12

Finding factors of 12 then

x2 - 6x + 2x - 12

x( x - 6) + 2 (x - 6)

So the factors are (x+2) (x-6)

7 0
2 years ago
I WILL GIVE BRAINLIEST!!1
Vanyuwa [196]

Answer:

The product is the opposite of the integer

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Steve connected a wire extension that is 3/8 foot long to another wire that is 1/2 foot long. How long is the wire with the exte
hammer [34]

Answer:

<u>7/8 feet</u>

Step-by-step explanation:

In order to add two frctions you need to make their denominator the same,

3/8 can be kept as it is and we can multiply the top and bottom of 1/2 by 4 in order to ger 4/8. Now it is easier to add together,

3/8 + 4/8= <u>7/8</u>

6 0
3 years ago
The angle of elevation from the top of a building to the top of another is 45°.
MrRa [10]

Answer:

402m

Step-by-step explanation:

Set this up as a triangle and use trig to solve it:

tan(45) = y/402

y = 402*tan(45)

substitute: tan(45) = 1

y = 402 * 1

y = 402m

4 0
3 years ago
A student who is trying to write a paper for a course has a choice of two topics, a and
Kitty [74]
Say she chooses topic A. She needs at least one book to arrive on time. The probability that no books arrive on time is 0.1 x 0.1 = 0.01 so the probability that at least one book arrives on time is 1 - 0.01 = 0.99.
Say she chooses topic B. She needs at least two books to arrive on time. The probability of no books arriving on time is 0.1 x 0.1 x 0.1 x 0.1 = 0.0001. The probability of exactly one book arriving on time is 4 x 0.1 x 0.1 x 0.1 x 0.9 = 0.0036 (binomial probability distribution formula - the 4 comes from 4C1). So the probability of her not getting enough books is 0.0001 + 0.0036 = 0.0037 and the probability she does get the books she needs on time is 1 - 0.0037 = 0.9963.
So she should choose topic B.
4 0
3 years ago
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