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Feliz [49]
3 years ago
7

40% of what number is 28

Mathematics
2 answers:
Stolb23 [73]3 years ago
8 0

Answer

70

ahsjkdghkagfhjasfgjh

Leto [7]3 years ago
7 0
70
0.4x=28
x=28/0.4
x=70
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A train traveled 325 miles in 5 hours. What was the train's average rate of speed in miles per hour?
Nostrana [21]

65 miles per hour

325/5= 65

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3 years ago
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Digital music distribution provides an opportunity for everyone to get their music heard. In order to get on a service like iTun
Fiesta28 [93]

Based on the charge to the artist and the amount the streaming services pay, the following are true:

  1. -50.
  2. 5.
  3. y = 5x - 50
  4. .
  5. 10,000 streams.
  6. 190,010,000 streams

<h3>What model can be derived for the streaming data?</h3>

The y-intercept would be the amount that the artist has before they start making any money. In this case that amount is -$50 because they will owe the distributor.

The slope is the change per unit which is $5.00 here.

The formula is therefore:

y = mx + b

y = Slope × x + b

y = 5 × x + (-50)

y = 5x - 50

The number of streams to pay off the distributor is when the profit is $0:

0 = 5x - 50

50 = 5x

x = 10 units

Number of streams:

= 10 units x 1,000

= 10,000 streams

To make a profit of $950,000, the units are:

950,000 = 5x - 50

5x = 950,000 + 50

x = (950,000 + 50) / 5

= 190,010 units

Number of streams is:

= 190,010 x 1,000

= 190,010,000 streams

Find out more on linear equations at brainly.com/question/1884491.

#SPJ1

3 0
2 years ago
The graph shows the number of chairs made in a factory during one day .
GaryK [48]

Answer:

C) the factory produces 25 chairs per hour

                     

Step-by-step explanation:

Let's find the rate of change (slope):  

let:\\(x1,y1) =(2,50)\\(x2,y2)=(4,100)\\m=\frac{100-50}{4-2} =\frac{50}{2} =25 \\

7 0
3 years ago
Find 65.5÷2.5<br> A) 0.262 <br> B) 2.62<br> C) 22.6 <br> D) 26.2
mario62 [17]
65.5 divided by 2.5=26.2
answer is choice D
8 0
3 years ago
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The radius on a certain. Goodrich tire is 34 inches to the nearest inch how far will the tire have traveled In 3 revolutions
myrzilka [38]

Answer:

640.968 inches

Step-by-step explanation:

Given data

Radius= 34in

The expression for the circumference is

C= 2πr

substutite

C= 2*3.142*34

C= 213.656

This means that in 1 revolution the tire will travel 213.656 in

Hence in 3 revolutions it will travel

=213.656*3

=640.968 inches

5 0
3 years ago
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