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gayaneshka [121]
2 years ago
5

18 students voted for chocolate, 12 students voted for strawberry, and 20 students voted for vanilla. What percentage of the stu

dents voted for vanilla as their favorite ice cream flavor.
Mathematics
1 answer:
tino4ka555 [31]2 years ago
5 0
20/50 x 100

answer : 40%
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Determine how long it will take for $4000 to quadruple in a bank account earning 3.57% interest compounded continuously. Round t
tankabanditka [31]

Answer:

12 months, so 1 year

Step-by-step explanation:

5 0
2 years ago
Write a polynomial function f of least degree that has a leading coefficient of 1 and the given zeros -4,-2,5. write the functio
OLga [1]

Answer:

Step-by-step explanation:

This is a third degree polynomial since we have 3 zeros.  We find these zeros by factoring the given polynomial.  The zeros of a polynomial are where the graph of the function goes through the x-axis (where y = 0).  If x = -4, the factor that gives us this value is (x + 4) = 0 and solving that for x, we get x = -4.  If x = -2, the factor that gives us that value is (x + 2) = 0 and solving that for x, we get x = -2.  Same for the 5.  The way we find the polynomial that gave us these zeros is to go backwards from the factors and FOIL them out.  That means that we need to find the product of

(x + 4)(x + 2)(x - 5).  Do the first 2 terms, then multiply in the third.

(x+4)(x+2)=x^2+2x+4x+8, which simplifies to

x^2+6x+8

No we multiply in the final factor of (x - 5):

(x^2+6x+8)(x-5)=x^3+6x^2+8x-5x^2-30x-40 which simplifies to

f(x)=x^3+x^2-22x-40

If you are aware of the method for factoring higher degree polymomials, which is to use the Rational Root Theorem and synthetic division, you will see that this factors to x = -4, -2, 5.  If you know how to use your calculator, you will find the same zeros in your solving polynomials function in your apps.

3 0
3 years ago
Please help I want summer school done. Which graph corresponds to the given function?
Alexus [3.1K]

Answer:

The first option in the first picture

Step-by-step explanation:

Good luck with summer school bud :)

3 0
2 years ago
3. Let x = - and y =
alukav5142 [94]

Answer:

answer is d

Step-by-step explanation:

7 0
2 years ago
Can anybody tell me how to turn the equations above into slope intercept form so I can graph it?
rjkz [21]

Answer:

First then second answer below

Step-by-step explanation:

-x+y 4

-1/-1=1      x=1    y=1  

y/1=1/1+4/1

y=1x+4

-x+7y 21

-1/-1=1

7y/7=1/7+21/7

y=1/7x+3

7 0
2 years ago
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