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Minchanka [31]
3 years ago
13

The production cost for a t-shirt printing company is a function of the number of t-shirts that are printed, t. The function tha

t models the production cost is f(t) = 0.1t2 − 6t + 100. How many t-shirts does the company have to print for its production cost to be $40 or less? Enter your answers whole numbers.
Mathematics
1 answer:
uranmaximum [27]3 years ago
7 0

Answer:

Therefore the company have to print either 47 or 12 t-shirt for its production cost to be $40 or less.

Step-by-step explanation:

Given that,

The function that models the production cost is

f(t)=0.1 t^2-6t+100

To find the number of t-shirt, we put f(t)=40 in given function.

∴40= 0.1t²-6t+100

⇒ 0.1t²-6t+100-40=0

⇒0.1 t²- 6t +60=0

⇒t²-60t+600=0

Applying quadratic formula x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}, a=1, b= - 60 and c=600

t=\frac{-(-60)\pm\sqrt{(-60)^2-4.1.600}}{2.1}

  = 47.32,12.67

 ≈47, 12

Therefore the company have to print either 47 or 12 t-shirt for its production cost to be $40 or less.

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Mrrafil [7]

Answer:

65 and 25

Step-by-step explanation:

90=(5x+10)+(6x-41)

121=11x

11=x

Going back to the angles:

5(11)+10

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=65 this is the first angle

6(11)-41

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5 0
3 years ago
What is the slope-intercept equation of the line going through (-2,5) and (1,-1)?
jarptica [38.1K]

Answer:

y = -2x+1

Step-by-step explanation:

The slope is found by

m = (y2-y1)/(x2-x1)

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    = -6/3

    = -2

Then we can use point slope form to make an equation

y-y1 = m(x-x1)

y-5 = -2(x--2)

y-5 = -2(x+2)

Distribute

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Add 5 to each side

y-5+5 = -2x-4+5

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This is in point slope form

3 0
3 years ago
noah was assigned to make 64 cookies for the bake sale he made 125% of that number 90% of the cookies he made were sold.how many
Mashcka [7]

Answer: 8 where left after the sale

Step-by-step explanation:25% of 64 is 16, 64 plus 16 = 80, 90% of 80 is 72 so 80-72=8cookies were left.

7 0
3 years ago
A department store buys 500 shirts at a cost of $3,500 and sells them at a selling price of $10 each. Find the percent markup.​
Ratling [72]

Answer: 30 percent.

Step-by-step explanation: First do 3,500 divided by 10 to find the cost of each shirt. Second subtract 7 from 10 which is 3. Then divide 3 by ten because you always divide by the amount being paid for. So 3 divided by 10 is .3 then multiply .3 by 100 which is 30 and that is your percent markup

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2 years ago
A similarity transformation maps polygon ABCD to polygon PORS. If the length of AB is 6 and the length of the corresponding side
joja [24]

Answer:

Scale factor = 2

Step-by-step explanation:

Scale factors deal multiplication. So, you would need to find a number to multiply by 6 to get 12. You can do this by doing 12 / 6.

12 / 6 = 2

4 0
3 years ago
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