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mixer [17]
3 years ago
5

Solve for x.

Mathematics
2 answers:
Wewaii [24]3 years ago
7 0

Answer:

x=27

3x +9 you have to multiply instead of add 3 times 9 is 27

Archy [21]3 years ago
5 0
Or you can add them up to equal 180 degrees since they on a straight line.

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Tristan records the number of customers who visit the store each hour on a Saturday. His data representing the first seven hours
Anna35 [415]
First we need to find the median of the data given. To do that, it should be in order:
12, 15, 18, 20, 23, 23, 28
So the median is 20

The only way to guarantee that the median doesn't change would be for the eight hour to have 20 visitors so the new data would be:
12, 15, 18, 20, 20, 23, 23, 28

Hope this helps!
3 0
3 years ago
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tekilochka [14]

Answer:

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Factorise fully the following:<br>a) x² + 2x<br>b) 2x² - 6x<br>c) 15x - 10x³<br>d) 9x² + 3x³​
Lostsunrise [7]

Answer:

a) x(x+2)

b) 2x(x-3)

c) 5x(3-2x^2)

d) 3x^2(3+x)

Step-by-step explanation:

a) x^2+2x

When factoring a binomial (a polynomial with two terms), what we will be looking for are the terms that are shared between them.

In this problem, it can be seen that both of these terms have and x. This means that we can factor it out to get

x(x+2)

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It can be seen that each of these share a 2x, so our factored form would be

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c) 15x-10x^3

What about this one?

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d) 9x^2+3x^3

The common factor of this one is 3x^2, so our factored form would be

3x^2(3+x)

6 0
3 years ago
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olchik [2.2K]
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Yuri [45]

Answer is x² + 2x + 5

<u>Step-by-step explanation:</u>

Step 1:

Add the two polynomials

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3 0
3 years ago
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