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Delvig [45]
4 years ago
13

Sandy programmed a website’s checkout process with an equation to calculate the amount customers will be charged when they downl

oad songs. The website offers a discount. If one song is bought at the full price of $1.29, then each additional song is $.99. State an equation that represents the cost, s , when c songs are downloaded.
Mathematics
1 answer:
Makovka662 [10]4 years ago
3 0

if one customer shows up, and she buys one song, that's $1.29, if she doesn't buy anymore, then that's the charge.

the first song is always at a full price, and after that, to encourage buying, the next ones are just 99 cents, let's see how it goes after a few songs purchases.

1 song.........................$1.29

2 songs.......................$1.29 + 0.99(2)

3 songs.......................$1.29 + 0.99(3)

4 songs.......................$1.29 + 0.99(4)

c songs.......................$1.29 + 0.99(c)

s(c) = 1.29 + 0.99c.

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Assume that China has about 1 billion people, an increase of 15 million would result in a relative change of ___%
seraphim [82]

Answer:

1.5%.

Step-by-step explanation:

The fractional increase is 15,000,000 / 1,000,000,000

= 15/1000

= 15 * 100 / 1000

= 1.5%

5 0
3 years ago
For the love of God, please answer this.<br> thanks, W.
Andrew [12]

The equation of the perpendicular line will be y = (4/3)x.

<h3>What is a linear equation?</h3>

A relationship between two or more parameters that, when shown on a graph, produces a linear model. The degree of the variable will be one.

The linear equation is given as,

y = mx + c

Where m is the slope of the line and c is the y-intercept of the line.

Then the equation of the perpendicular line will be given as

y = - (1 / m)x + c

The equation of line is y = -3/4 x + 1.

Then the equation of the perpendicular line will be

y = 4/3 x + c

The equation is passing through (9, 12), then we have

12 = 4/3 (9) + c

12 = 12 + c

c = 0

Then the equation of the perpendicular line will be y = (4/3)x.

More about the linear equation link is given below.

brainly.com/question/11897796

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8 0
2 years ago
Can someone help please???<br>​
sweet [91]

Answer:

Debbie ran farther.

Step-by-step explanation:

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Jessica ran 3 miles, or 15,840 feet.

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4 0
3 years ago
(20 points) A 2-liter bottle of soda (67.6 ounces) costs $1.89. A case of twelve 12 ounce
horrorfan [7]

Answer:

  • Unit price of a 2-liter bottle of soda: \$0.028\ per\ ounce
  • Unit price of a case of twelve 12 ounce  cans: \$0.021\ per\ ounce
  • The better bargain is the case of 12 ounce cans.

Step-by-step explanation:

Let be "x" the unit price (price/ounce) of the soda in the 2-liter bottle and "y"  the unit price (price/ounce) of the soda in the case  of twelve 12 ounces cans.

According to the data provided in the exercise, you know that:

1. The 2-liter bottle of soda  is equal to 67.6 ounces.

2. That bottle costs  $1.89

Then, the unit price is:

x=\frac{1.89}{67.6}\\\\x\approx0.028

3. There are 12 ounce  cans in the case. Then the total ounces is:

12\ oz*12=144\ oz

4. It costs $2.99.  So the unit price is:

y=\frac{2.99}{144}\\\\y\approx0.021

Since:

y

The better bargain is the case of 12 ounce cans.

5 0
3 years ago
.125/100 converted to a decimal
Whitepunk [10]

Answer:

0.00125

Step-by-step explanation:

4 0
4 years ago
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