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Roman55 [17]
3 years ago
9

John hosts an art workshop on the weekends. He has an average of 14 students in each session and charges a fee of $12 per sessio

n. He estimates that for every $2 increase in the fee, the average number of students reduces by 1.
Complete the equation that models this scenario, where c(x) is the revenue generated and x is the number of $2 fee increases.
Mathematics
2 answers:
avanturin [10]3 years ago
8 0

Answer: c(x)=-2 x2 + 16x + 168

Step-by-step explanation: I hope this helps if im wrong im srry!

Lerok [7]3 years ago
8 0

Answer:

c(x) =  - 1(x - 7.5)^{2} + 222.25

I apologize if this is the wrong format. It's also extremely complicated to explain.

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Find the inner product for (7, 2) * (0, -2) and state whether the vectors are perpendicular.
Andrews [41]

Answer: A

Step-by-step explanation:

To find the inner product of two vectors (a,b) and (c,d) you would use the equation (a * c) + (b * d)

So for (7,2) and (0,-2) the inner product would be

(7 * 0) + (2 * -2)

= 4

The vectors are only perpendicular when the inner product is equal to 0. Since it is equal to -4 in this case, the vectors are not perpendicular.

A -4; no

3 0
3 years ago
Read 2 more answers
If f(x)= 3x + 10x and g(x)=5x - 3 find (f+g)(x)
Illusion [34]

Answer:

18x-3

Step-by-step explanation:

f(x)= 3x + 10x

g(x)=5x - 3

f(x)+g(x) = 3x + 10x + 5x - 3

Combine like terms

             = 18x -3

6 0
3 years ago
I need help with question 15
Nadusha1986 [10]

A rational number is a number that can be written in the form:

\frac{p}{q}

Where p and q are coprimes. We are asked for finite sets, we can rule out options 3 and 4. In the set in option 2 the first element is:

\sqrt{3}

This number cannot be written a ratio. We can rule out option 2.

All the elements in the set from option 1 can be written in the form p/q.Thus, the answer is the first option.

3 0
11 months ago
Please figure these all out quick i do not understand i need it done asap
Ahat [919]

Answer:

1. undefined

2. zero

3. positive

4. negative

5. 4/3

8 0
3 years ago
Read 2 more answers
identify the type of sampling used​ (random, systematic,​ convenience, stratified, or cluster​ sampling) in the situation descri
sertanlavr [38]

Answer: Random sampling

Step-by-step explanation:

  • A random sampling technique is a method of sampling in which each member for the sample is chosen randomly from the population.
  • Systematic sampling :  It is a kind of random sampling in which the members get selected after a fixed interval but a random starting point.
  • Convenience sampling : It is a kind of random sampling in which the members get selected on the basis of researchers convenience.
  • Stratified sampling :  It is a kind of random sampling in which the entire population is divided into a finite number of strata , the researcher select members for sample from each strata.
  • Cluster sampling : It is a kind of random sampling in which the entire population is divided into clusters. Then a random sample of cluster is drawn by researcher.

In the given situation , 784 adults are selected after their telephone numbers were randomly generated by a​ computer.

Therefore , the  type of sampling used​ here is :  random sampling

7 0
3 years ago
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