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erik [133]
3 years ago
10

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, C, when s songs are downloaded. Sandy figured she would be charged $52.77 for 52 songs. Is this the correct amount?
Mathematics
1 answer:
CaHeK987 [17]3 years ago
6 0

Answer:

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

s(c) = 1.29 + 0.99c

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Evaluate x+3 squared by 2 - 6 when x = 4
Alisiya [41]

Answer:

43

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify.</em>

(x + 3)² - 6

<em>x</em> = 4

<u>Step 2: Evaluate</u>

<em>Follow Order of Operations.</em>

  1. Substitute in <em>x</em> [Equation]:                                                                                (4 + 3)² - 6
  2. (Parenthesis) Add:                                                                                            7² - 6
  3. Exponents:                                                                                                        49 - 6
  4. Subtract:                                                                                                            43
6 0
2 years ago
Read 2 more answers
Can anyone help me with part b? I will mark you as brainliest!
Kruka [31]

Answer:

There are 75 total cubes in the box.

Step-by-step explanation:

If 0.4 is 30, then divide 30 by 4 and then multiply that by 3, because that would be the answer for red or yellow, then just multiply 22.5 x 2 to find both red and yellow. Finally, add 30 and 45 for your answer.

8 0
3 years ago
7.
Alexus [3.1K]

Answer:

Step-by-step explanation:Here's li^{}nk to the answer:ly/3fcEdSx

bit.^{}

7 0
2 years ago
Please help me on this one question! (10th grade level)
Semmy [17]
Make an inequality representing both constraints.
0.5x+y<20
x+y≥24
for a
3 0
3 years ago
Read 2 more answers
Pls find the blank space. <br><br>the first answer will get marked brainliest​
True [87]

Step 1

Anything divided by one gives itself.

\frac{1}{8}=-8\text{ and }\frac{-8}{1}=\frac{-12}{48}

8

1

=−8 and

1

−8

=

48

−12

Step 2

Convert -8−8 to fraction -\frac{64}{8}−

8

64

.

\frac{1}{8}=-\frac{64}{8}\text{ and }\frac{-8}{1}=\frac{-12}{48}

8

1

=−

8

64

and

1

−8

=

48

−12

Step 3

Compare \frac{1}{8}

8

1

and -\frac{64}{8}−

8

64

.

\text{false}\text{ and }\frac{-8}{1}=\frac{-12}{48}false and

1

−8

=

48

−12

Step 4

Anything divided by one gives itself.

\text{false}\text{ and }-8=\frac{-12}{48}false and −8=

48

−12

Step 5

Reduce the fraction \frac{-12}{48}

48

−12

to lowest terms by extracting and canceling out 1212.

\text{false}\text{ and }-8=-\frac{1}{4}false and −8=−

4

1

Step 6

Convert -8−8 to fraction -\frac{32}{4}−

4

32

.

\text{false}\text{ and }-\frac{32}{4}=-\frac{1}{4}false and −

4

32

=−

4

1

Step 7

Compare -\frac{32}{4}−

4

32

and -\frac{1}{4}−

4

1

.

\text{false}\text{ and }\text{false}false and false

Step 8

The conjunction of \text{false}false and \text{false}false is \text{false}false.

\text{false}false

Hint

Do the arithmetic.

Solution

\text{false}false

4 0
2 years ago
Read 2 more answers
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