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victus00 [196]
3 years ago
9

What is 12x²y - 8x²y² + 11x²y - 4x³y² - 9xy² simplified?

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
7 0
12x^2y-8x^2y^2+11x^2y-4x^3y^2-9xy^2=22x^2y-8x^2y2-4x^3y^2-9xy^2
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A swimming coach needs to choose a team for a relay race. The coach must select 4 of 6 available swimmers
Trava [24]

The number of unique ways is given by the number of possible

combination having distinct members.

The number of unique ways there are to arrange 4 of the 6 swimmers are <u>15 ways</u>.

Reasons:

The given parameters are;

The number of swimmers available = 6 swimmers

The number of swimmers the coach must select = 4 swimmers

Required:

The number of unique ways to arrange 4 of the 6 swimmers.

Solution:

The number of possible combination of swimmers is given as follows;

_4C_6 = \dfrac{6!}{4! \times (6 - 4)!}  = 15

Therefore, the coach can select 4 of the 6 available swimmers in <u>15 unique ways</u>

Learn more here:

brainly.com/question/23589217

8 0
2 years ago
Tanya is training a turtle for a turtle race. For every 1/6 of an hour that the turtle crawling he can travel 2/23 mile. at what
zavuch27 [327]
So first I hope this helps! But from what I’ve learned in school is that a unit rate pretty much just mean *1... so in words the answers would be 1/6 and hour for every 2/23 miles
8 0
3 years ago
ILL GIVE BRAINLEST, classify the triangle below with work please :)
Minchanka [31]

Answer:

A right triangle

Step-by-step explanation:

All interior angles in a triangle are equal to 180°.

x+x+2x = 180°

4x = 180°

x = 45°

So two of the angles are 45°, and the remaining angle is 45°×2 = 90° (a right angle).

7 0
2 years ago
Ann is grouping 38 rocks se can put them into Groupon of 10 rocks or as single rocks. What are the difierent ways Ann can Groupo
exis [7]
She could switch them around by grouping them into groups of 4s, 3s, 2s, or 5s.
5 0
3 years ago
Factor the expression.<br> 20b + 35 =<br> (Factor completely.)
Airida [17]

Answer:

I think it would be 5(4b+7)

Step-by-step explanation:

I divided both terms by 5.

6 0
2 years ago
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