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butalik [34]
3 years ago
6

The monthly membership costs include a $10 basic fee plus $2 for each DVD she rents. Which equation describes v, the number of D

VDs Ingrid can rent, based on T, the amount she spends for membership costs per month?
A. v= t/2 - 5
B. v= t/2 - 10
C. T= v/2 - 10
D. T= v/2 - 5
Mathematics
1 answer:
liubo4ka [24]3 years ago
4 0

Answer:

A) v = T/2 - 5

Step-by-step explanation:

T = 10+2v

2v = T-10

v = (T-10)/2 = T/2-5

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Let f(x)=1/x and g(x)=x^3. Find f(x) -g(x)
kari74 [83]
To find f(x) - g(x), simply subtract g(x) from f(x).

\frac{1}{x} -x^3

If you need to simplify, we can find a common denominator:

\frac{1-x^4}{x}
6 0
3 years ago
FIRST ANSWER GETS BRANLIEST!!
Mashcka [7]

Answer:

(0,0)

Step-by-step explanation:

Let's think about how the graph of this would look.

We know that y will be x^2, meaning that if x was 0, y would be 0.

If x was 1, y would be 1

If x was 2, y would be 4.

Now let's think about negative numbers.

If x was -1, y would be 1 (since -1^2 = 1

If x was -2, y would be 4 (since -2^2 = 4).

This means that our graph would turn at the point where x and y are equal (excluding 1,1)

This is 0,0.

So 0,0 is the turning point of this graph.

Hope this helped!

3 0
3 years ago
What is the function?
Bezzdna [24]

Answer:

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Step-by-step explanation:

hope it helps ;)))

3 0
3 years ago
The daily revenues of a cafe near the university are approximately normally distributed. The owner recently collected a random s
lbvjy [14]

Answer:

The sample size to obtain the desired margin of error is 160.

Step-by-step explanation:

The Margin of Error is given as

MOE=z_{crit}\times\dfrac{\sigma}{\sqrt{n}}

Rearranging this equation in terms of n gives

n=\left[z_{crit}\times \dfrac{\sigma}{M}\right]^2

Now the Margin of Error is reduced by 2 so the new M_2 is given as M/2 so the value of n_2 is calculated as

n_2=\left[z_{crit}\times \dfrac{\sigma}{M_2}\right]^2\\n_2=\left[z_{crit}\times \dfrac{\sigma}{M/2}\right]^2\\n_2=\left[z_{crit}\times \dfrac{2\sigma}{M}\right]^2\\n_2=2^2\left[z_{crit}\times \dfrac{\sigma}{M}\right]^2\\n_2=4\left[z_{crit}\times \dfrac{\sigma}{M}\right]^2\\n_2=4n

As n is given as 40 so the new sample size is given as

n_2=4n\\n_2=4*40\\n_2=160

So the sample size to obtain the desired margin of error is 160.

4 0
4 years ago
At a local fitness center members pay a a $ 14 membership fee and $ 2 for each aerobics class. Nonmembers pay $ 4 for each aerob
mestny [16]

14+2x=4x: divide 2x on each side

14=2x: divide by 2

7=x

7

8 0
3 years ago
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