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Free_Kalibri [48]
3 years ago
7

The function p(x) = 2(x-9)2 + 100 is used to determines the profit on T-shirts sold for x dollars. What would the profit from sa

les be if the proce of the T-shirts were $15 a piece?
Mathematics
1 answer:
Jet001 [13]3 years ago
3 0

Answer:

the profit will be $172

Step-by-step explanation:

The function given is:

p(x) = 2(x-9)^2 + 100

Where x is the price of the each shirt.

if each shirt is sold for $15,  hen x = 15.

the profit will be:

p(15) = 2(15-9)^2 + 100

p(15) = 2(6)^2 + 100

p(15) = 2(36) + 100

p(15) = 72 + 100

p(15) = 172

So, the profit will be $172

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help please <br> I need help and, I tried everything it wouldn’t give me no right answer
dem82 [27]
A because it gave me this

3 0
4 years ago
Tickets to the school play are $10 for adults, $4 for students and $3 for senior citizens. There were 670 tickets sold for Thurs
joja [24]

Answer:

500

105

Step-by-step explanation:

This question would be solved using a simultaneous equation

let

a = number of adults who bought the ticket

b = number of students who bought the ticket

c = number of senior citizens who bought the ticket

a + b + c = 670 eqn 1

10a + 4b + 3c = 5615 -- eqn 2

If 65 senior citizen bought the ticket, substitute for c in equation 1 and 2

a + b + 65 = 670

a + b = 670 - 65

a + b = 605 eqn 3

10a + 4b + 3(65) = 5615

10a +4b = 5420 eqn 4

multiply equation 3 by 10 to derive equation 5. Subtract eqn 4 from eqn 5

10a + 10b = 6050 eqn 5

          -

10a + 4b = 5420 eqn 4

= 6b = 630

b = 105

Students who bought the ticket are 105

Substitute for b in eqn 3

a + 105 = 605

a = 500

Adults who bought the ticket are 500

6 0
3 years ago
Mr. Samson deposited $80 into his checking account. Then after writing a $23 check for gas and a $90 check for his child’s dayca
Kaylis [27]
$100?
100+80=180
180-23=157
157-90=67
Hope this helps !
6 0
3 years ago
Simplify fully: √18 / √8
sukhopar [10]
Sqrt18  = 3 sqrt2
sqrt 8 = 2 sqrt2

sqrt18 / sqrt 8  = 3 sqrt2 / 2 sqrt2  = 3/2  answer
4 0
3 years ago
Read 2 more answers
Seven times the smaller of two numbers added with two times the larger number is 635. While seven times the larger number decrea
Mandarinka [93]

Answer:

Step-by-step explanation:

x = smaller number, y = bigger number

7x + 2y = 635

7y - 2x = 871....rearrange...-2x + 7y = 871

7x + 2y = 635....multiply by 2

-2x + 7y = 871...multiply by 7

----------------------------------

14x + 4y = 1270 (result of multiplying by 2)

-14x + 49y = 6097 (result of multiplying by 7)

--------------------------------add

53y = 7367

y = 7367/53

y = 139

7x + 2y = 635

7x + 2(139) = 635

7x + 278 = 635

7x = 635 - 278

7x = 357

x = 357/7

x = 51

solution : x = 51 and y = 139 or (51,139)

3 0
4 years ago
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