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kupik [55]
2 years ago
7

What's the answer to this question?

Mathematics
1 answer:
o-na [289]2 years ago
4 0
The average number of shots is 4 shots

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Positive solution to the quadratic equation?<br> (x-2)(x + 7) = 0
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Answer: x=2

Step-by-step explanation: set each equal to zero

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3 years ago
The DiMonte Corporation invented a new type of sunglass lens. Their variable expenses are $12.66 per unit, and their fixed expen
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Answer:

a)one lens: 111,212.66

15000 lenses: 301,100

b)y=111,200+12.66x

slope: 12.66

c)12.66 dollars per unit of lens produced

d) 20.07

e) 19.2

f)decreases

Step-by-step explanation:

a) Cost of producing one lens

fixed expenses+variable expenses=111,200+12.66=111,212.66

Cost of producing 15,000 lenses

fixed expenses+variable expenses=111,200+12.66(15,000)=301,100

b)Expense function:

let y be the expense cost

let x be the number of lenses produced

y=111,200+12.66x

Slope:

The function is  a line equation: y=mx+b where m is the slope.

In this case b=111,200 and m=12.66. So the slope is 12.66

c) the cost increases 12.66 dollars per unit of lens produced

d) The cost of producing 15000 lenses is:

111,200+12.66(15,000)=301,100

If DiMonte produces 15000 lenses, the average cost per lens is:

301,100/15000=20.073≈20.07

e)The cost of producing 17000 lenses is:

111,200+12.66(17,000)=326,420

If DiMonte produces 17000 lenses, the average cost per lens is:

326,420/17,000=19.2

f)The average per lens decrease.

8 0
3 years ago
Consider the probability that more than 70 out of 119 CDs will be defective. Assume the probability that a given CD will be defe
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Answer: No, the normal curve cannot be used.

Step-by-step explanation:

The theorem of the Normal approximation states that if X is B(n,p) then for large n X is N(np, np(1-p)).

The accuracy of this approximation is good

i. for n > [10/p(1-p)]

ii. p is close to 1/2

Hence given p= 4% = 0.04,

q = 1 - 0.04 = 0.96

Let N = [10/p(1-p)]

We find N = 10/p(1-p) = 10/(0.04× 0.96)

N ~= 260

Since n < 260 and p < 0.5

The approximation is not a good one

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2 years ago
The camera Melissa wanted for her birthday is on sale at 41​% off the usual price. The amount of the discount is ​$86.10. What w
ludmilkaskok [199]
The answer is 121.401.
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3 years ago
A theater has 60 seats in the first row, 68 seats in the second row, 76 seats in the third row, and so on in the same increasing
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Answer:212 seats

Step-by-step explanation:a1=60

                                              D=8

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3 years ago
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