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bogdanovich [222]
3 years ago
9

Amanda bought 2 CDs that were each the same price. Including sales tax, she paid a total of $29.80. Each CD had a tax of $1.10 .

What was the price of each CD before tax?
brainliest
Mathematics
1 answer:
Len [333]3 years ago
6 0

Answer:

13.80 there you go buddy

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Look at the question
ziro4ka [17]

Answer:

Step-by-step explanation:

The better buy is the one where you get more area of pizza per dollar (area/price).

Since the problem gives diameter, we assume the pizzas are circle-shaped.

Circle Area = pi x (radius)², and radius r = 1/2 of diameter d.

*************************************************************************************

Pizza 1: d = 8 and price is $10

r = 1/2 x d = 4

Area of Pizza 1 = πr² = π(4)² = 16π

*** area/price for Pizza 1 = 16π/$10 = 1.6π area per dollar

**********************************************************************************

Pizza 2: d = 14 and price is $16

r = 1/2 x d = 7

Area of Pizza 2 = πr² = π(7)² = 49π

*** area/price for Pizza 2 = 49π/16 = 3.0625π area per dollar

***********************************************************************************

Pizza 2 is the better buy, with more pizza per dollar.

3 0
3 years ago
Write an equation of a line with slope -3/2 and x-intercept (4,0)
djyliett [7]

Answer:

An equation of a line with slope -3/2 and x-intercept (4,0) will be:

y\:=\:-\frac{3}{2}x\:+\:6

Step-by-step explanation:

The slope-intercept form of the line equation

y = mx+b

where

  • m is the slope
  • b is the y-intercept

Given

  • Slope m = -3/2
  • x-intercept (4, 0)

now substitute m = -3/2 and the point (4, 0) in the slope-intercept form of line equation

y = mx+b

0\:=\:-\frac{3}{2}\left(4\right)\:+\:b\:\:\:\:\:

-6+b=0

Add 6 to both sides

-6+b+6=0+6

Simplify

b=6

Thus, the y-intercept b = 6

now substitute m = -3/2 and b = 6  in the slope-intercept form of line equation

y = mx+b

y\:=\:-\frac{3}{2}x\:+\:6

Therefore, an equation of a line with slope -3/2 and x-intercept (4,0) will be:

y\:=\:-\frac{3}{2}x\:+\:6

7 0
4 years ago
6-4x-5x=-57, pls i need help
Sonja [21]

Answer: 7

Step-by-step explanation:

6-4x-5x=-57

6 -9x= -57

9x= 57+6

9x= 63

Divide both sides by 9

x= 7

7 0
3 years ago
Read 2 more answers
For all positive integers x ,what is the greatest common factor of the numbers 256x and 144x
gogolik [260]
First, let's factor both of these numbers.  

256x:

2^{8} * x

144x:

3^{2} * 2^{4} * x

Both of these numbers contain 2^{4} * x, so that would be the greatest common factor.  This could also be written as 16x.
4 0
3 years ago
In Toss-N-Turn at the County Fair, contestants flip a fair coin and then spin the pointer of a spinner with seven equal sections
Verizon [17]

Answer:

will for here to win a prize from a toss n turn or another game would be impossible first of all she has to get  it a heads if she gets it a head that's good now the next thing she has to land it on a even number if she passes that she gets a prize but it is impossible for here to get a prize in a 1 out of 5 flip chances

Step-by-step explanation:

8 0
3 years ago
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