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jonny [76]
3 years ago
8

(−5k ​3 ​​ −6k+1)+(−6k ​2 ​​ +5k)

Mathematics
2 answers:
Fittoniya [83]3 years ago
7 0

Remove unnecessary parenthesis.

-5k 3 - 6k +1 - 6k 2 + 5k (simplify each term) -15k - 6k + 1 - 12k +5k = -28k +1

Answer: 28k + 1

Ivan3 years ago
5 0

Step-by-step explanation:

−5k

3

−6k

2

−k+1

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Step-by-step explanation:

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2 years ago
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There are 42 males and 67 females participating in a marathon. What percent of the participants are male?
Sergio039 [100]

First, you find the total of both sides.

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Next, you divide the Total by either of the sides, but since we're looking for the percentage of males, it'd be better to do this.

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4 0
3 years ago
Angela has a cube with a length of one yard. Maya has a cube with a length of one meter. What do the two cubes have in common? L
Vlad1618 [11]
<h3><u>1)  </u><u>Both cubes have approximately equal sides</u><u>.</u></h3><h3><u>2) The volume of both cubes is approximately equal .</u></h3>

Step-by-step explanation:

Here, let us assume there are two cubes A and B.

The side length of cube A  = 1 yard

The side length of cube B = 1 meter

Now,as we know:  1 meter   =  1.09361 yards  ≈ 1 yard

So, we can say that, approximately, <u>both cubes have equal sides</u>.

Now, Volume of a Cube = (Side)³

Since, both cubes have approximately equal sides,

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8 0
3 years ago
A triangle has sides with lengths of 12 yards, 16 yards, and 20 yards. Is
wlad13 [49]
Yes, it is right angle triangle.
We can know by using pythagoras theorem
So let’s see
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h^2 = p^2 + b^2
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Hence
It is a right triangle.
3 0
2 years ago
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