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USPshnik [31]
3 years ago
14

PLEASE I NEED DESPERATE HELP

Mathematics
1 answer:
Shalnov [3]3 years ago
7 0
OK ILL HELP U I PROMISE
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A. Wall paper border costs $12.89 for a 15 feet roll. How many rolls do you need to purchase?
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Answer: A:3 rolls B: $38.67

Step-by-step explanation:

1. Convert all units to the same value (feet to inches, as the opposite gives fractions)

2. Use new equation and multiply the said new variable (84*3 & 96*3)

3. The new total should amount to the total area (540)

4. Divide found area by 12 to convert back into feet (45)

5. Divide the feet by feet per roll (3)

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4 years ago
Which of these figures has rotational symmetry
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Answer:

  A

Step-by-step explanation:

The parallelogram has rotational symmetry of degree 2. It looks the same after rotation by 180°.

_____

<em>Additional comment</em>

When a figure only looks like itself after a full rotation of 360°, it is said to have rotational symmetry of degree 1. All of the figures here will return to their original appearance after one 360° rotation. So, we assume the intent of the question is to identify figures with a <em>rotational symmetry of degree greater than 1</em>.

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3 years ago
Sebastian earns an hourly wage at a jewelry stand. The following expression represents Sebastian's
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Answer:

X=375 hours

Step-by-step explanation:

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Eva created a coffee blend for her restaurant by mixing Kenya and French Roast coffee beans. The Kenya beans cost $15 per pound
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Step-by-step explanation:

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Gloria is trying to save for retirement. She deposits $200 each month for 20 years into an account that pays 4.2% compounded int
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B is the correct answer.
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