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strojnjashka [21]
3 years ago
13

Mr. Duc asked Perry to set up 450 chairs in a large hall. Perry puts 20 chairs in each row. He has already set up 15 rows of cha

irs. How many more chairs must he set up? 3. Draw a picture or a chart that shows the information and the question
Mathematics
2 answers:
frutty [35]3 years ago
5 0
He needs to put up 10 more chairs in each row.
Umnica [9.8K]3 years ago
5 0

Answer: 150 more


Step-by-step explanation:20 times 15 equals 300

450 minus 300 equals 150


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riadik2000 [5.3K]

Answer:32-10x

Step-by-step explanation:

7 0
3 years ago
Hector spent $41.75 for 2 DVDs that cost the same amount. The sales tax on his purchase was $3.15. Hector also used a coupon for
kykrilka [37]

Given:

Amount spent on 2 DVDs = $41.75

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Then, cost of two DVDs = 2x

Amount spent of 2 DVDs = Cost of 2 DVDs + Sales tax - Coupon discount

41.75=2x+3.15-1.00

41.75=2x+2.15

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8 0
3 years ago
Solve for x. Tx-ux=3t
Veronika [31]
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dividing both sides by (t-u):
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6 0
3 years ago
The area of a circle is 16π cm2. What is the circle's circumference?
agasfer [191]

Answer:

C = 8 pi cm

Step-by-step explanation:

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Taking the square root

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aleksklad [387]

Answer:

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