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Solnce55 [7]
3 years ago
11

If Paul saves $3.00 every week for twelve weeks and then buys a CD for $15.00 plus 9% tax, how much money will he have left?

Mathematics
2 answers:
pochemuha3 years ago
8 0

Answer:

18.90

Step-by-step explanation:

3x12=36

36-15=21

21 x 0.9

ch4aika [34]3 years ago
8 0

Answer:

$19.65

Step-by-step explanation:

12*3=36

15*.09=1.35

15+1.35=16.35

36-16.35=$19.65

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Rzqust [24]

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3 0
4 years ago
2х + 5y = 6<br>x+2y = -3 <br><br>what is x?​
likoan [24]

Answer:

x = -3

In-Depth Steps:

1.) Start with the bottom equation: x+2y=-3

2.) Set x alone on one side of the equal sign. Your equation will look like 3+2y=x.

3.) Plug 3+2y in for x in the first equation. You will get 2(3+2y)+5y=6.

4.) Distribute. Your equation now looks like this: (6+4y)+5y=6.

5.) Combine like terms. You will get 6+9y=6.

6.) Subtract 6 from both sides. You get 9y=0. We can learn that Y=0.

7.) Go back to either equation and put 0 in for y.

8.) In the top equation, it would look like 2x=6 and the bottom equation would look like x=-3. We basically got our answer of x = -3, but we will plug it into the 2x=6 equation, and in-fact, we get x = -3.

8 0
4 years ago
Multiply: (5x - 2)(4x^2 - 3x -2)
malfutka [58]

Option B.

5x−2)(4x^2−3x−2)

=(5x+−2)(4x^2+−3x+−2)

=(5x)(4x^2)+(5x)(−3x)+(5x)(−2)+(−2)(4x^2)+(−2)(−3x)+(−2)(−2)

=20x^3−15x^2−10x−8x^2+6x+4

=20x^3−23x^2−4x+4

4 0
2 years ago
Read 2 more answers
A postal worker counts the number of complaint letters received by the United States Postal Service in a givenday. Identify the
Nata [24]

Answer:

A) quantitative

Step-by-step explanation:

A data that can be counted or expressed numerically constitute quantitative data. Quantitative data collection method is capturing statistical data in numbers, figures, or values. Quantitative data collection usually answered the questions of “how many?”, "how much?" and “how often?” are the occurrence of a particular data. These questions are quantitative data collection methods based on numbers and mathematical calculations. Quantitative data collection methods are based on random sampling and structured data collection. Some of the quantitative data collection methods are surveys, questionnaires, quizzes, interviews and direct observation.

6 0
4 years ago
9) What is the area of a square with a side length of 120 cm?​
mart [117]

Area of square = Side × Side

  • Side of square is 120 Cm.

⇛Area = 120 cm × 120 cm

⇛Area = 14400 cm²

Hence , the area of square is 14400 cm²

8 0
3 years ago
Read 2 more answers
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