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Sever21 [200]
3 years ago
14

Find the product. -1/4y(2y^3 - 8)

Mathematics
1 answer:
Marina86 [1]3 years ago
8 0
<span>-1/4y(2y^3 - 8)
= -1/2 y^4 + 2 y</span>
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Solve the system of equations Please If you could solve this it would honestly mean so much! Thank you!
Kay [80]

Answer:

(2, 8)

Step-by-step explanation:

There are a couple of different ways to do this, but I am going to use substitution since we already have one of those equations solved for y.  If y=3x+2, then we can sub 3x+2 in for y in the other equation:

-3x + 2(3x + 2) = 10 and

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3x + 4 = 10 and

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x = 2.  Now that we know x = 2, we can sub a 2 in for x in either equation to solve for y:

y = 3x + 2 gives us, with the substitution, y = 3(2) + 2 so y = 8.  The solution set is (2, 8)

4 0
3 years ago
14 : ( 8 - 1 ) + 6 + 7 : 7 - ( 12 - 10 ) : 2 =
goldfiish [28.3K]

The correct answer is 14.

7 0
3 years ago
Please help me answer this. I think that for the first one the answer is A, but I am not sure. There are two parts to the questi
Anika [276]
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For the second, the magnitude is the square root of the sum of the squares of the components.  This is equal to \sqrt{(-14)^2+(-21)^2} = \sqrt{637}=7\sqrt{13}.
4 0
3 years ago
Read 2 more answers
How many sides does a dodecahedron have? no PLAGIARISM<br> if u copy ur answer will be deleted.
KATRIN_1 [288]

Answer: 12

Step-by-step explanation:

If you look at the image below, you will see a picture of a dodecahedron. We can see 6 sides, and there are 6 sides invisible to our view. 6+6=12

The answer is 12.

5 0
2 years ago
One of the ideas that you have explored in previous courses is how to describe a set of data.
Setler79 [48]

Answer:

Step-by-step explanation:

M = (35 + 40 + 12 + 16 + 25 + 10)/5

M = 138/5

M = 27.6

7 0
3 years ago
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