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Aleks [24]
3 years ago
7

Alexa programmed a website's checkout process with an equation to calculate the amount customers will be charged when they buy h

air
ribbons. The website offers a discount. If one ribbon is bought at the full price of $5.75 then each additional ribbon is $3.50. State an
equation that represents the cost C, when r ribbons are downloaded,
Mathematics
1 answer:
Tamiku [17]3 years ago
5 0

Answer:

Hey there!

The equation would be C=3.50r+5.75

Let me know if this helps :)

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It is based on ratios
12345 [234]

Answer:

Gianna makes $18 per hour.

Step-by-step explanation:

Given Gianna makes 90$ for 5 hours. That means she should make $ \frac{90}{5} $ $  = 18$ every hour.

Therefore we have:

a.

HOURS                    DOLLARS

  1                                   18

  2                                  36

  3                                  54

  4                                   72

  5                                   90

  6                                   108

  7                                   126

b.

For the tabular column mark Hours on the x - axis and Dollars on the Y - axis. It can be plotted from the above table easily.

c.

If Gianna works for 8 hours she would have made 8 X 18 = 144$.

So, she will earn 144$ in 8 hours.

d.

To make 60$ she would have to work $ \frac{60}{18} $ hours = 3.33 hours.

3 0
3 years ago
Fred begins walking toward John house at 3 mi/h. John leaves his house at the same time and walks toward Fred's house on the sam
Tcecarenko [31]
Let us assume as at when they meet, the time elapsed is x hours.

Fred  3 mi/h
John  2 mi/h

Distance = speed * time

Fred = 3x
John = 2x

Houses are 4miles apart. 
So:            3x + 2x  = 4    5x = 4

x = 4/5 hour =  0.8 hour or 0.8*60 = 48 minutes

Time elapsed is 0.8 hour or 48 minutes.
7 0
3 years ago
5 inches is blank times big as 1 inch
alina1380 [7]

Answer:

5 inches is <u>5</u> times as big as 1 inch

4 0
3 years ago
SungHee empties her piggy bank and finds that that she has 200 quarters 150 dimes and 300 pennies. How much money does she have
gayaneshka [121]
A quarter = 0.25......200 quarters = 200(0.25) = $ 50
a dime = 0.10...150 dimes = 150(0.10) = $ 15
a penny = 0.01....300 pennies = 300(0.01) = $ 3

for a total of : 50 + 15 + 3 = $ 68 
6 0
3 years ago
Two parallel lines are crossed by a transversal. What is the value of x? x = 21 x = 28 x = 35 x = 37
DENIUS [597]
Using the definition of vertical angles you can set up the equation 3x+4=115, when solved you get x=37. Hope this helps!
4 0
3 years ago
Read 2 more answers
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