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spayn [35]
3 years ago
10

Plz help this one is the last one of the day plz help

Mathematics
1 answer:
Juliette [100K]3 years ago
3 0
We know 20% is 15
and now we find 80%

since 20% x 4 = 80%, we can multiply 15 by 4 to get 80% of 75

15 x 4 = 60

80% of 75 = 60
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What is a cubic polynomial function with zeros 3,3 and -3? show your work.​
Brums [2.3K]

Answer:

Cubic polynomial function with zeros 3,3 and -3 is \mathbf{x^3-3x^2-9x+27=0}

Step-by-step explanation:

We need to find a cubic polynomial function with zeros 3,3 and -3.

If zeros of polynomial are: 3,3,and -3

we can write:

x=3, x=3, x=-3

Or

We can write:

x-3=0, x-3=0, x+3=0

Now, we can write them as:

(x-3)(x-3)(x+3)=0

Multiplying the terms, we can find the polynomial:

(x-3)(x-3)(x+3)=0\\(x(x-3)-3(x-3))(x+3)=0\\(x^2-3x-3x+9)(x+3)=0\\(x^2-6x+9)(x+3)=0\\x(x^2-6x+9)+3(x^2-6x+9)=0\\x^3-6x^2+9x+3x^2-18x+27=0\\x^3-6x^2+3x^2+9x-18x+27=0\\x^3-3x^2-9x+27=0

So, cubic polynomial function with zeros 3,3 and -3 is \mathbf{x^3-3x^2-9x+27=0}

4 0
2 years ago
The expression which correctly shows the area of the rectangle is
Lapatulllka [165]

A = W*L or Area = Width x Length

3 0
3 years ago
20 Points Please Help
stiks02 [169]
1. 31, 37, 43, 49, 55

That’s all I know from this I apologize, I’m only a freshman in hs lol
Good luck and Merry Christmas, happy holidays
6 0
2 years ago
[98 POINTS]<br><br> Explain how you would calculate the volume of the figure shown.<br> Be detailed.
N76 [4]

Answer:

1282.81824016

Step-by-step explanation:

Find the volume of the cone (the formula is π×r²×h/3) and the volume is 359.19

Now find the volume of the cylinder which is 923.6282401554 and we just add them together which is 1282.81824016

8 0
3 years ago
Read 2 more answers
Un agricultor observó que la expresión F(x)=-2x2+16x+25 describe la producción (P), en toneladas, de cacao que cosecha en sus ti
faltersainse [42]

Answer:

348 7gb93c9 good morning to you all right place on my bed right now iam not geting the best way u are gonna be in this situation is it was not Halloween but gug batson vocal vox's John b bucko and my dear loving n love u soo hapy that u can go ahead with it is my beauty grl for the kichen and u will not cm to ur 2AM to go to Gangtok and my 7th anniversary of the 4588th 468inches I will not be the 6th of God Amen n and 93feet

Step-by-step explanation:

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6 0
2 years ago
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