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belka [17]
3 years ago
14

Andy received a 25% discount on the book he bought at the book sale if he paid 17.40 what was the original price for the book

Mathematics
1 answer:
zalisa [80]3 years ago
6 0

Answer:

$21.75

Step-by-step explanation:

Add 25% then subtract to get back to $17.40

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Find the area of the trapezoid. A trapezoid has a base of 8 meters, a height of 6 meters, and a top side length of 4 meters.
ICE Princess25 [194]

Answer:

  • 36 m²

Step-by-step explanation:

  • A = 1/2(b₁ + b₂)h
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8 0
3 years ago
How to do 15 1/2 - 2 1/10 how to do it
lisov135 [29]

First, you need to make the fractions have the same denominator:

15  1/2        --->       15 + (1/2 x 5)  =   15  5/10

2   1/10       --->       2  1/10

Then you need to subtract them from each other:

  15   5/10                                        

<u>-    2   1/10</u>                   (or)                  15  5/10 - 2 1/10 =   13  4/10

   13   4/10

This gets the answer:   <u>13  4/10</u>

8 0
3 years ago
What is the value of x if 5x + 45 = 35?
allochka39001 [22]

Answer:

The answer is x = -2

Step-by-step explanation:

3 0
3 years ago
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3<br> 5<br> y = mx + c<br> Find the value of y when m= -2, r = -7 and c= -3.
mario62 [17]

Answer:

<u>This assume the equation is 35y = mx + c, and that r is meant to be x.</u>

Step-by-step explanation:

35y = mx + c

35y = -2(-7) - 3

35y = 14 - 3

35y = 11

y = (11/35)

Please check the formatting of your question.

6 0
2 years ago
Sandy is helping her uncle at this coffee shop. She observes that, when ordering coffee, 13 of customers select chocolate flavor
otez555 [7]
Answer: The probability that 3 or more of the next 5 customers will order chocolate is 30%.  3/10

Sandy conducted her own experiment to answer this question. She observed what groups of 5 customers ordered. In her experiment, 30% of the time at least 3 of the customers ordered chocolate.

The fraction 30% is 3/10.
7 0
3 years ago
Read 2 more answers
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