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SOVA2 [1]
2 years ago
12

Julio places gray chairs and blue chairs in each row the ratio of gray to blue chairs in each row 7-3 how many gray chairs and b

lue chairs will julio use if he sets up a total of 80 chairs
Mathematics
1 answer:
g100num [7]2 years ago
4 0

Answer:

56 gray chairs

24 blue chairs

Step-by-step explanation:

ratio of gray to blue chairs in each row

Gray : blue = 7 : 3

Gray chairs = 7

Blue chairs = 3

Total ratio = 7 + 3

= 10

how many gray chairs and blue chairs will julio use if he sets up a total of 80 chairs

Number of gray chairs = 7/10 × 80

= 0.07 × 80

= 56 gray chairs

Number of blue chairs = 3/10 × 80

= 0.03 × 80

= 24 blue chairs

56 gray chairs

24 blue chairs

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Answer:

$41.16

Step-by-step explanation:

Length of bricks required = 35 feet, length of brick sold = 10 inches, cost of 10 inches brick = $0.98 per brick

Total number of brick required to build the back yard = Length of bricks required ÷ Length of brick sold

1 ft = 12 inches

Number of brick required = (35 * 12) ÷ 10

Number of bricks required = 42 bricks

Cost of brick required = Per length cost of brick * Number of bricks required

Cost of brick required = 0.98 * 42

Cost of brick required = $41.16

Ms. Fontanges would spend $41.16 on the purchase of bricks

5 0
2 years ago
Which of the following expressions are factors of 25x^3−75x^2−9x+27?
Natali [406]

Answer:

I am not sure but I think the correct answer is c

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2 years ago
Use the order of operations to simplify 43/5 + 15 / 5 - 1/5.
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Answer:

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Step-by-step explanation:

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5 0
2 years ago
Read 2 more answers
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viktelen [127]

Answer:

5.46π cm³

Step-by-step explanation:

Volume of sphere= 4/3πr³

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