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e-lub [12.9K]
3 years ago
9

Simplify I need help solving this

Mathematics
2 answers:
serg [7]3 years ago
8 0

Step-by-step explanation:

=-6h^{5}-2k^{4} +8h^{5} +2k^{4} \\=2h^{5}

r-ruslan [8.4K]3 years ago
6 0

Answer:

2h^5

Step-by-step explanation:

-2(3h^5+k^4)+(8h^5 +2k^4)

Distribute the -2

-6h^5 -2k^4 +8h^5 +2k^4

Combine like terms

-6h^5 +8h^5  -2k^4+2k^4

2h^5

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What is 4 1/2 (-2+1+7) =
NeTakaya

Answer:

27

Step-by-step explanation:

convert calculate 9\2×6

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4 0
3 years ago
How many solutions are there to this equation 3x(x-4)+5-x=2x-7
stich3 [128]

Answer:

  2 solutions

Step-by-step explanation:

I like to use a graphing calculator to find solutions for equations like these. The two solutions are ...

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To solve this algebraically, it is convenient to subtract 2x-7 from both sides of the equation:

  3x(x -4) +5 -x -(2x -7) = 0

  3x^2 -12x +5 -x -2x +7 = 0 . . . . . eliminate parentheses

  3x^2 -15x +12 = 0 . . . . . . . . . . . . collect terms

  3(x -1)(x -4) = 0 . . . . . . . . . . . . . . . factor

The values of x that make these factors zero are x=1 and x=4. These are the solutions to the equation. There are two solutions.

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<em>Alternate method</em>

Once you get to the quadratic form, you can find the number of solutions without actually finding the solutions. The discriminant is ...

  d = b^2 -4ac . . . . where a, b, c are the coefficients in the form ax^2+bx+c

  d = (-15)^2 -4(3)(12) = 225 -144 = 81

This positive value means the equation has 2 real solutions.

4 0
3 years ago
PLEASE HELP!!! A group has at most $140 to spend on an event space. The inequality 15h + 40 140 represents the cost to rent the
Zielflug [23.3K]

9514 1404 393

Answer:

  h ≤ 6 2/3

Step-by-step explanation:

The inequality is presumed to be ...

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The graph shows h ≥ 0, because the inequality is only reasonable for h ≥ 0.

3 0
2 years ago
Hassan invested $900 in an account that pays 4.75% interest compounded annually. Assuming no deposits or withdrawals are made, f
mestny [16]

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6 0
2 years ago
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frozen [14]

Answer:

12

Step-by-step explanation:

4*3

7 0
3 years ago
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