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Bad White [126]
3 years ago
11

How many dimes do you have if you have 80 nickels

Mathematics
2 answers:
raketka [301]3 years ago
7 0
Dimes are worth twice as much as a nickel, therefore you would divide the amount of nickels by half:

80 / 2 = 40

Therefore you have 40 dimes.

Another way to do this is to find your current amount of money, since dimes are worth 10 cents and nickels are worth 5 cents:

80 * 5 = 400 cents
400 / 10 = 40 dimes
Alik [6]3 years ago
5 0
You would have 40 dimes..
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Which of the following graphs shows the<br> solution set to 2x &lt; 6 and 3x + 2 &gt;<br> -4?
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Answer:

The third picture

Step-by-step explanation:

Solve for x in both equations

2x<6

Divide both sides by 2:

x<3

3x+2>-4

Subtract 2 from both sides:

3x>-6

Divide both sides by 3:

x>-2

There is this trick you can use when x is on the left side of the equation to find out which way to shade in you graph. Keep in mind this is only for the left side, it will not work if your variable is on the right.

When the symbol is facing left < then shade left, imagine it is pointing which way to shade. x<3 is represented by the 3 picture on the left. When the symbol is facing right > then shade right, again it is pointing which way to shade. x>-2 is represented by the 3 picture on the right.

The circles are not filled in because the symbol is < and > rather than \leq  and \geq. When it is greater than or equal to or less than and equal to (represented by the line under the symbol), then the circle is shaded in.

5 0
2 years ago
Aaron is taking a multiple choice test with a total of 20 points available. Each question is worth exactly 1 point. What would b
Ede4ka [16]

Let x represent number of wrong questions answered by Aaron.

We have been given that Aaron is taking a multiple choice test with a total of 20 points available. Each question is worth exactly 1 point. We are asked to find Aaron's score (out of 20) if he got 6 questions wrong.

To find Aaron's score, we will subtract number of wrong answers from total score.

\text{Aaron's score}=\text{Total score}-\text{Number of wrong answers}

\text{Aaron's score}=20-6

\text{Aaron's score}=14

Therefore, Aaron's test scores would be 14 out of 20.

To find Aaron's score if he got x questions wrong, we will subtract x from total scores that is 20-x.

Therefore, Aaron's score would be  20-x, if he got x questions wrong.

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I believe the answer is smaller than
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(This problem assumes the interest will stay the same the next 6 months)

We need to find what percent 25.20 is to our original balance.

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x = 4.5 percent interest

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