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LiRa [457]
3 years ago
11

Kevin bought 4 pizzas to share with friends. If each person has 2/3 of a pizza how many friends can have pizza?

Mathematics
1 answer:
rjkz [21]3 years ago
7 0

Divide 4 pizzas by 2/3:

When you divide using a fraction, reverse the second fraction and multiply:

4 / 2/3 = 4 x 3/2 = 12/2 = 6 people.

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Use the function below to find F(-4).<br><br> F(x) = 2^x
Amiraneli [1.4K]
To answer this item, note that what needs to be done is to substitute -4 to all x's in the equation. That is,
                     F(x) = 2^x
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4 0
3 years ago
Read 2 more answers
A manufacturer has been selling 1400 television sets a week at $450 each. A market survey indicates that for each $21 rebate off
GuDViN [60]

Correct question is;

A manufacturer has been selling 1400 television sets a week at $450 each. A market survey indicates that for each $21 rebate offered to a buyer, the number of sets sold will increase by 210 per week

A) Find the demand function (price p as a function of units sold x).

p(x)=______

(B) How large a rebate should the company offer the buyer in order to maximize its revenue?

$=_____

Answer:

A) p(x) = (-1/10)x + 590

B) Rebate = $170

Step-by-step explanation:

A) We are told that p(x) is the demand function and x is the number of TV sets sold per week.

Now, since for each $21 rebate offered, the number of sets sold increases by 210 per week, it means that the slope here of this demand function is; m = -21/210 = -1/10

Now, he has been selling 1400 TV sets a week at $450 each. This means; p(1400) = $450

Thus, the demand function will be;

p(x) - 450 = (-1/10)(x - 1400)

Expanding the RHS;

p(x) - 450 = (-1/10)x + 140

Add 450 to both sides to get;

p(x) = (-1/10)x + 140 + 450

p(x) = (-1/10)x + 590

B) Formula for revenue is;

R = price × quantity sold

Our demand function is p = (-1/10)x + 590

Making x the subject, we have;

x = 5900 - 10p

x is quantity sold.

Thus,

R = p(5900 - 10p)

R = 5900p - 10p²

Maximum price will occur at dR/dP = 0

Thus;

dR/dP = 5900 - 20p

At dR/dP = 0,we have;

20p = 5900

p = 5900/20

p = $280

Thus, rebate = 450 - 280 = $170

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2 years ago
Denise collects stuffed animals. The number of stuffed animals in her collection, a, after n, number of years, can be described
natka813 [3]
I think the answer would be A
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3 years ago
Which ordered pair is a solution to the system of equations below?<br> y = -2x – 1<br> y = 3x – 26
butalik [34]
C. (5, -11) hope this helps and I’m like sure sure it’s right
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Plz help me with these 2 problems I really need it and I need to know how you to the answer so I can show my work
ELEN [110]

Answer:

13.) 0.19625    15.) 37.68

Step-by-step explanation:

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