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ELEN [110]
4 years ago
10

Frank bought 2 CDs that were each the same price. Including sales tax, he paid a total of 24.20 Each CD had a tax of 0.60 What w

as the price of each CD before tax?
Mathematics
1 answer:
stira [4]4 years ago
8 0

Answer:

11.5

Step-by-step explanation:

Frank paid a total of 24.2 for the 2 CDs, so, for each CD, he paid the total value divided by two:

Price of each CD = 24.2 / 2 = 12.1

Each CD had a tax of 0.6, so, to calculate the price of each CD before tax, we just subtract the price of each CD by the value of the tax for each CD:

Price of each CD before tax = 12.1 - 0.6 = 11.5

The price of each CD before tax is 11.5

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When identifying properties of n - sided polygons where 3 _< n <_ 10. What does 3 <_ n <_ 10 means ?
Lunna [17]

9514 1404 393

Answer:

  3 ≤ n ≤ 10 means "three is less than or equal to n, which is less than or equal to 10"

  you're concerned with polygons having 3 to 10 sides, inclusive.

Step-by-step explanation:

The symbol ≤ means "less than or equal to." The compound inequality ...

  3 ≤ n ≤ 10

means the value of n may range from 3 to 10, inclusive.

__

In the present context, where n is a number of sides, it means you're concerned with polygons that are any of ...

  triangle, quadrilateral, pentagon, hexagon, ...

  heptagon, octagon, nonagon, decagon

3 0
3 years ago
Find the value of x!!!Will mark the brainest!!!
skad [1K]

Answer:

B. x=7

Step-by-step explanation:

(2x+5) = (x+12)

2x = x+7

x=7

3 0
3 years ago
Does anyone know how to graph this please help​
Anna71 [15]

Just like the Vertex Formula you do this:

y = 3(x - 4)³

This is where -H gives you the OPPOSITE terms of what they really are, and K gives you the NORMAL term, so just apply that to here. Whenever you are doing a phase shift, you put it in parentheses using the Vertex Formula, but giving the opposite term of what it really is:

Y = (X - H)² + K

Y = (X - H)³ + K

Now here is the graph. You see how I shifted it 4 units away from the origin?

So, find your roots [zeros (x-intercept)], plug in 0 for <em>y</em><em> </em>and solve for <em>x</em><em>.</em><em> </em>When you do this, you will get <em>4</em><em> </em><em>=</em><em> </em><em>x</em><em>.</em><em> </em>You could also look at the graph and can tell that the ONLY x-intercept is 4. So, either way, you will get the same result.

I am joyous to assist you anytime.

8 0
3 years ago
Is the ordered pair (1,-2) a solution to the equation 3x + 4y=-11
Anna11 [10]

Answer:

no

Step-by-step explanation:

if you plug it in...

3(1)+4(-2)=-11

4+-8=-11

4-8=-11

-12 does NOT equal -11

so the answer is no

7 0
3 years ago
Read 2 more answers
The graph shown is a direct variation. What is the rate of change?<br><br><br><br> 5<br> 10<br> 50
creativ13 [48]

Answer:

The rate of change is 5

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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