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ExtremeBDS [4]
3 years ago
15

12. You downloaded a new movie for 19.99 and have to pay a

Mathematics
2 answers:
mylen [45]3 years ago
6 0
The answer is $21.19 hope this helps
Lostsunrise [7]3 years ago
5 0

The price of the movie itself is $19.99.

19.99 x 6% = 1.1994

19.99 + 1.1994 = 21.1894

Answer: $21.19

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Which are the solutions of x2 = 19x 1
o-na [289]
Here you go.

I was sorta unsure how to read the last part in your question but I tried my best to interpret it 

8 0
3 years ago
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The revenue function for a sporting goods company is given by R(x)=x⋅p(x) dollars where x is the number of units sold and p(x)=4
Zina [86]

The maximum revenue generated is $160000.

Given that, the revenue function for a sporting goods company is given by R(x) = x⋅p(x) dollars where x is the number of units sold and p(x) = 400−0.25x is the unit price. And we have to find the maximum revenue. Let's proceed to solve this question.

R(x) = x⋅p(x)

And,  p(x) = 400−0.25x

Put the value of p(x) in R(x), we get

R(x) = x(400−0.25x)

R(x) = 400x - 0.25x²

This is the equation for a parabola.  The maximum can be found at the vertex of the parabola using the formula:

x = -b/2a from the parabolic equation ax²+bx+c   where a = -0.25,  b = 400 for this case.

Now, calculating the value of x, we get

x = -(400)/2×-0.25

x = 400/0.5

x = 4000/5

x = 800

The value of x comes out to be 800. Now, we will be calculating the revenue at x = 800 and it will be the maximum one.

R(800) = 400x - 0.25x²

= 400×800 - 0.25(800)²

= 320000 - 160000

= 160000

Therefore, the maximum revenue generated is $160000.

Hence, $160000 is the required answer.

Learn more in depth about revenue function problems at brainly.com/question/25623677

#SPJ1

5 0
1 year ago
In a city school, 60% of students have blue eyes, 55% have dark hair, and 35% have blue eyes and dark hair. What is the probabil
gulaghasi [49]

Answer:

58%

Step-by-step explanation:

This is a problem of conditional probability.

Let A represent the event that student has dark hair.

So P(A) = 55% = 0.55

Let B represents the event that student has blue eyes.

So, P(B) = 60% = 0.60

Probability that student has blue eyes and dark hairs = P(A and B) = 35% = 0.35

We are to find the probability that a randomly selected student will have dark hair, given that the student has blue eyes. Using the given formula and values, we get:

P(A|B)=\frac{P(A \cap B)}{P(B)}\\\\ P(A|B)=\frac{0.35}{0.60}\\\\ P(A|B)=0.58

Therefore, there is 0.58 or 58% probability that the student will have dark hairs, given that the student has blue eyes.

5 0
3 years ago
0.1[x+250]=5000 answer please
Alex Ar [27]
0.1[x+250]=5000
10(0.1[x+250]=5000
1[x+250]=50,000
x+250=50,000
  -250      -250
x = 49,750
7 0
3 years ago
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Find the remainder when 3x^3+ 6x-1 is divided by x-3​
Sauron [17]

Answer:

93

Step-by-step explanation:

by remainder theorem p(3) is the remainder

and therefore it is 93

3 0
3 years ago
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