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Ratling [72]
3 years ago
9

I need help please this is due tomorrow

Mathematics
1 answer:
Mama L [17]3 years ago
7 0

A

If she always sells 110 then it can be less but we dont know if its equal or if she sold more

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If alpha and beta are the zeroes of the polynomial f(x)= xsquare -8x +gamma such that alpha - beta = 2 find the value of gamma.
Komok [63]

Answer:

Γ = 15

Step-by-step explanation:

Given

f(x) = x² - 8x + Γ

with a = 1, b = - 8 and c = Γ , then

sum of zeros α + β = - \frac{b}{a} = - \frac{-8}{1} = 8

product of zeros = αβ = \frac{c}{a} = Γ

Given α - β = 2 , then

(α - β)² = 2²

α² - 2αβ + β² = 4 → (1)

and

(α + β)² = 8²

α² + 2αβ + β² = 64 → (2)

Add (1) and (2) term by term

2α² + 2β² = 68 ( divide through by 2 )

α² +β² = 34

Substitute α² + β² = 34 into (1)

34 - 2αβ = 4 ( subtract 34 from both sides )

- 2αβ = - 30 ( divide both sides by - 2 )

αβ = 15

Now

αβ = Γ = 15

Thus

f(x) = x² - 8x + 15

4 0
3 years ago
Michael has two more apples than Ann does. Together, Michael and Ann have no more than 9 apples. If Ann has at least one apple,
fiasKO [112]

Answer:

ann has 1 apple and Michael has 8 apples

6 0
3 years ago
7. Jane is at the amusement park. The admission is $25, and the rides are $2 each. If Jane
Vedmedyk [2.9K]

Answer:

Jane got on 16 rides

Step-by-step explanation:

r= numbers of rides

25 + 2r

25 + 2r = 57

-25           -25

_____________

2r\2               32/2

          r=16

6 0
3 years ago
rectangle A has 7 times the area of rectangle B. The width of rectangle A is 1/4 the width of rectangle B. The height of rectang
algol13

Answer:

just do 7 times 1/4 + the 12 thats your answer

Step-by-step explanation:

8 0
3 years ago
Help pleaseeeeeeeeee
lilavasa [31]
These three angles are on a line so must total 180°.
So 180-(52+58)=
180-110=70

So angle q is 70°.
7 0
3 years ago
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