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olganol [36]
3 years ago
12

Which of the following are equal to the expression below? Check all that apply. 2*√49

Mathematics
2 answers:
vivado [14]3 years ago
7 0
C. 14
..........................
Svetllana [295]3 years ago
6 0
The answer is 14 because u do √49=7 so 2*7=14
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For this case we have the following expression:

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The Social Justice Club is going to rent a mammoth barbeque to cook the hot dogs for the hot dog sale After contacting three ren
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Answer:

(A)Cost of Rental A, C= 15x

Cost of Rental B, C=5x+50

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(B)

i. Rental C   ii. Rental A     iii. Rental B

Step-by-step explanation:

<u>Part 1</u>

Let x be the number of hours of the barbeque use by the club.

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Rental B: $5/h + 50

Cost of Rental B, C=5x+50

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Cost of Rental C, C=9x+20

<u>Part 2</u>

The graph of the three models is attached below

<u>Part 3(11.05-4.30)</u>

If the barbecue's usage hour is from 11.05 to 4.30 when the football match ends.

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Cost of Rental C, C=9x+20=9(4.42)+20=$59.78

Rental C should be chosen as it offers the lowest cost.

<u>Part 4 (11.05-12.30)</u>

Number of Hours = 12.30 -11.05 =1 hour 25 Minutes = 1.42 Hours

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Rental A should be chosen since it offers the lowest cost.

<u>Part 5</u>

If the barbecue is returned the next day, say after 24 hours

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Rental B should be chosen as it offers the lowest cost.

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Step-by-step explanation:

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