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3 years ago

9

Carlos has used 40 cell phone minutes each day for one full week. His cell phone plan allows for a total of 320 minutes per week

.
Which fraction represents the ratio of cell phone minutes remaining to total minutes?

1 answer:

Vesnalui [34]3 years ago

4 0

320/40 which you simplify.

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Plz answer. only if correct

earnstyle [38]

Answer:10001.5%+10303990=f(g+2)

Step-by-step explanation:

i dont remeber how to do this cap

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3 years ago

Write the polynomial in standard form.<br> - 4 + 3x - 522

Tatiana [17]

Answer:

3x-526

Step-by-step explanation:

the 3x would go in the beginning. then you subtract (-4-522)= -526.

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3 years ago

Let A(t) be the area of a circle with radius r(t), at time t in min. Suppose the radius is changing at the rate of drdt=6 ft/min

mylen [45]

Answer:

The rate of change is $108\pi$ ft^(2)/min

Step-by-step explanation:

The area of a circle is given by the following equation:

$A(t) = \pi r^{2}$

To solve this question, we have to realize the implicit differentiation in function of t. We have two variables, A and r. So

$\frac{dA(t)}{dt} = 2\pi r \frac{dr}{dt}$

We have that:

$\frac{dr}{dt} = 6, r = 9$ .

We want to find $\frac{dA}{dt}$

So

$\frac{dA(t)}{dt} = 2\pi*9*6$

$\frac{dA}{dt} = 108\pi$

Since the area is in square feet, the rate of change is in ft^(2)/min.

So the rate of change is $108\pi$ ft^(2)/min

5 0

3 years ago

Assume the sales representative calls 6 customers, and each call has 4 possible results: reaches the customer in person, gets an

KonstantinChe [14]

Answer:

81

Step-by-step explanation:

8 0

3 years ago

Factor the common factor out of 8x3 + 12x. please help asap.

Hitman42 [59]

So 8x3 = 24

24 + 12x
the common factor is 12
so you divide everything by 12
24 ÷ 12 = 2
12x ÷ 12 = x

final answer: 12 (2+x)

8 0

3 years ago