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matrenka [14]
3 years ago
11

What’s the reciprocal of 7/2a 2a/7 -2a/7 7/2a -7/2a

Mathematics
1 answer:
vfiekz [6]3 years ago
6 0
The reciprocal of a number (also called the multiplicative inverse) means 1/this number or (This number)^-1

So, to get the reciprocal of 7/2a, you need to divide 1 by this number as follows:
reciprocal = 1 / (7/2a) = 2a/7

The answer is : 2a/7
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ANSWER BOTH!!!
brilliants [131]

Answer:

  • A = $52.00
  • B = $6.30

Step-by-step explanation:

<h3>A. How much Bill paid AFTER the discount.</h3>

Step 1: Convert the discounted percent to decimal

20% = 0.2

Step 2: Multiply the discount to the item regularly priced

0.2(65.00) = 13

So, Bill received a $13 discount, therefore, the amount he paid AFTER his discount is:

Step 3: Subtract the result (the discount Bill received) from the regular price

$65.00 - $13.00= $52.00

Therefore, Bill paid $52.00

<h3>B.  The price of the pillow in the department store.</h3>

Step 1: Multiply the wholesale price for a pillow by the marked-up the wholesale price

$4.50 × 40% = 1.8

  • Set up a fraction

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\frac{x}{4.50}=\frac{40}{100}

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Therefore, the price of the pillow in the department store is $6.30

7 0
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