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Fed [463]
3 years ago
10

alexander is a stockbroker 13% commission each week. Last week, he sold $6,800 worth of stocks. How much did he make last week i

n commission? If he averages that same amount each week, how much did he make in commission in 2011?
Mathematics
1 answer:
Daniel [21]3 years ago
8 0
He made $46592 in 2011
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The diagram below shows part of the graph of the quadratic function f(x)=a(x-h)(x-k) with the condition h<k. Point P is the m
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Answer:

see explanation

Step-by-step explanation:

(a)

The zeros are x = 1 and x = 5, thus the factors are (x - 1) and (x - 5)

f(x) = a(x - 1)(x - 5)

To find a substitute (0, 15), the coordinates of the y- intercept into the equation.

15 = a(0 - 1)(0 - 5) = a(- 1)(- 5) = 5a ( divide both sides by 5)

a = 3

Thus h = 1, k = 5, a = 3 and

f(x) = 3(x - 1)(x - 5)

(b)

The axis of symmetry is a vertical line with equation x = c ( c is a constant )

The axis of symmetry passes through the midpoint of the zeros

x = \frac{1+5}{2} = \frac{6}{2} = 3

Equation of axis of symmetry is x = 3

(c)

The axis of symmetry passes through P, with x- coordinate x = 3

Substitute x = 3 into the function for corresponding value of y

f(3) = 3(3 - 1)(3 - 5) = 3(2)(- 2) = - 12

Coordinates of  P = (3, - 12 )

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3 years ago
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Mary earns $12.50 an hour cleaning houses if she works from 8:00 3:00 how much money will she make
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She earn 87.50 for that many hours
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The difference HELPPP
Flauer [41]

Answer:

5 and 2/10

Step-by-step explanation:

You have to have a common denominator

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Ph testing strips are selling for $2.25 per packet of 80 strips. How many while packets can you buy for $18?
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GIVING BRAINLIEST!<br><br> Solve for y: 3x - y = 14<br><br> Thank you~
ValentinkaMS [17]
To solve y, we need to make y the only value on the left hand side of the equation:

3x - 3x - y = 14 \\  3x - 3x - y = 14 - 3x \\  - y = 14 - 3x \\ y =  - (14 - 3x) \\ y =  - 14 + 3x
Therefore the value of y = -14+3x.

Hope it helps!
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2 years ago
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