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sergij07 [2.7K]
2 years ago
5

Please help with b) and c)

Mathematics
1 answer:
rewona [7]2 years ago
6 0
For b it is A,M and T
For C it is 0%
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Answer:

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Step-by-step explanation:

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3 years ago
Maria solved the equation below and got x = –4. Which of the following choices verifies that her solution is correct? 5x + 22 =
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5(-4)+22 = (-4)+6
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- Maria wants to buy a ring that costs $67.00. She has a coupon for 25% off.
Vilka [71]

Answer:

$16.75

Step-by-step explanation:

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 67 is 100% - because it's the output value of the task.

2. We assume, that x is the value we are looking for.

3. If 67 is 100%, so we can write it down as 67=100%.

4. We know, that x is 25% of the output value, so we can write it down as x=25%.

5. Now we have two simple equations:

1) 67=100%

2) x=25%

where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:

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6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 25% of 67

67/x=100/25

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67=4*x       - we divide both sides of the equation by (4) to get x

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now we have:

25% of 67=16.75

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3 years ago
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Answer: Choice A.   4\sqrt{7}

===================================================

Work Shown:

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5 0
2 years ago
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