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nalin [4]
3 years ago
14

PLEASE HELP!!!!!!!! You develop an app to help students complete their homework. To earn money, you sell advertising space on th

e app’s main screen. An advertiser pays you $25 per month and an additional $0.003 each time the app is opened. Graph the linear equation that represents your monthly income yy (in dollars) when the app is opened xx times.
Mathematics
2 answers:
Dmitry [639]3 years ago
5 0
Y=.003x+25 is your equation hope this helps :)
Anon25 [30]3 years ago
3 0

Answer:

y= .003x + 25

Step-by-step explanation:

In order to create the equation you just have to use the already given symbols to represent each of the values that we have, in this example the times that the app is opened is represented with X and the monthly income would be Y, the pay for everytime the app is opened is 0.003 so we just miltiply that by the times that the app is opened and is added to the base $25 dollars that the advertising pays you:

y=.003x+25

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I need this done asap
Norma-Jean [14]

Answer:

They both have 1/2

Step-by-step explanation:

For the first one there are 6 numbers and 3 of them are odd. That makes it 1/2.

For the second one it is self explanatory.

3 0
2 years ago
Read 2 more answers
A thread is being pulled off a spool at the rate of 40 cm per second. Find the radius of the spool
murzikaleks [220]

Answer:

r = 0.0424 cm (3sf)

Step-by-step explanation:

it makes 150 rev/sec

1 revolution = 1 circumference = 2pi*r

so every second the spool goes through 2*pi*r*150 of distance

we know that the rate of pulling is 40cm/sec

so 2pi*r*150 = 40

r = 40/(2pi*150), which is 0.04244131816 cm.

check: Circumference is 2pi*r = 0.2666

now multiply by 150rev/sec = 40 cm/sec

3 0
2 years ago
22. Use your model to determine when the volume of oil will get down to 500 gallons.
Helen [10]

Answer:

  21.  y = 75000·0.935^t

  22.  after 74.6 days

  23.  y = 27.8112·1.18832^t

  24.  18.8% per month

  25.  1748

Step-by-step explanation:

22. It is convenient to use the graphing calculator to solve this problem. The number of days is where the exponential curve has the value 500. It is about 74.55 days. (see the first attachment)

__

23. y = 27.8112·1.18832^t (see the second attachment)

__

24. The rate of change is the difference between the base of the exponential and 1, often expressed as a percentage. The time period is the units of t.

  (1.18832 -1) × 100% ≈ 18.8% . . . . per month

__

25. Evaluating the function for t=24 gives y ≈ 1748.30425259 ≈ 1748.

_____

<em>Comment on graphing calculator</em>

A graphing calculator can make very short work of problems like these. It is worthwhile to get to know how to use one well.

8 0
3 years ago
PLS HELP URGENT!! PLEASEE SIMPLE FRACTIONS question in pic
Blizzard [7]

Answer:

I think it is 13/15 (0,8666666...) but I am not sure

4 0
3 years ago
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What should be done to both sides of the equation in order to solve y + 8.5 = 17.2?
Amanda [17]

Answer:

Subtract 8.5

Step-by-step explanation:

To solve the equation, y has to be isolated (only y will be on one side of the equation)

To do this, we have to get rid of the 8.5, so it has to be subtracted from both sides.

So, the correct answer is subtract 8.5

7 0
3 years ago
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