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3 years ago

Find the x-intercept and the y-intercept of the graph of the equation 11x+12y=8

Mathematics

1 answer:

ipn [44]3 years ago

4 0

The answer would be (8/11,0) as the x-intercept

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Kelly price sells college textbooks on commission. She gets 8 % on the first $7500 of sales, 16% on the next $7500 of sales, a

Solnce55 [7]

Answer:

The commission would be $ 920.

Step-by-step explanation:

Given,

Sales in 1997 = $ 9500,

Since, there is a commision of 8 % on the first $ 7500 of sales, 16% on the next $ 7500 of sales, and 20% on sales over $ 15,000,

If x represents the total sales,

Commission for x ≤ 7500 = 8% of x = 0.08x,

Commission for 7500 < x ≤ 15000 = 8% of 7500 + 16% of (x-7500)

= 600 + 0.16(x-7500),

Commission for 7500 < x ≤ 15000 = 8% of 7500 + 16% of 7500 + 20% of (x-15000)

= 600 + 1200 + 0.20(x-15000)

= 1800 + 0.20(x-15000)

Thus, the function that shows the given situation,

$f(x)=\left\{\begin{matrix}0.08x & x \leq 7500\\ 600+0.16(x-7500) & 7500 < x \leq 15000\\ 1800+0.20(x-15000) & 15000 < x\end{matrix}\right.$

Since, 9500 lies between 7500 and 15000,

Therefore, the commission would be,

f(9500)= 600 + 0.16(9500 - 7500) = 600 + 320 = $ 920

7 0

3 years ago

Michael had $550 in his savings account. He took out $30.75 every month for one year. What is the net change in Michael's accoun

kozerog [31]

$30.75 x 12 = 369
$550-$369 =$181

7 0

3 years ago

Last week, carlie had several rice cakes and 3 gronola bars as snacks. The snacks contained a total of 800 calories. If each gra

Alex_Xolod [135]

Charlie must have had 11 rice cakes

You multiply 120 times 3 to get 360

then 800- 360 = 440

440 divided my 40 = 11

5 0

3 years ago

the number of hours h that it takes for ice to malt varies inversely with the temperature t it takes 3hours for a piece of ice t

Reptile [31]

Answer:

Step-by-step explanation:

Formula

h = k/temp

Givens

h = 4 hours

t = 45 degrees

Solution

3 = k / 45 Multiply both sides by 45

3*45 = k

k = 135

Problem

what happens when h = 4 hours?

h = 4

k = 135

temp = ?

4 = 135 / temp Multiply both sides by temp

4temp = 135 Divide by 4

temp = 135 / 4

temp = 33.75

Note that as the time went up, the temperature came down

6 0

2 years ago

If she would have left the money in the account for another 2 years before withdrawing, how much interest would the account have

Sonbull [250]

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Answer: 12% more interest

I hope this helped!

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7 0

3 years ago