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crimeas [40]
3 years ago
9

Greg needs $51 to go on a field trip. He has saved $12.75. He earns $6.50 per hour cleaning his neighbor's garden, and he earns

$5.25 per hour selling cakes at a store. Can Greg go on the field trip if he works at the garden for 2 hours and at the store for 5 hours?
(Use the inequality 6.50x + 5.25y + 12.75 ≥ 51.)

A.)Yes, because the total will be $62
B.) Yes, because the total will be $52
C.) No, because the total will be $50
D.) No, because the total will be $49

HELP PLEASE!! :)
Mathematics
1 answer:
Schach [20]3 years ago
5 0
B.)Yes, because the total will be $52
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Consider a dart board made of three concentric circles of radii 1 cm, 2cm and 3 cm, respectively. The points you obtain by hitti
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Answer:

The answer is 350 points

Step-by-step explanation:

The Area of a circle is πr∧2

The problem states that in the attempts, you never hit the outermost ring in the 10 attempts so we need the area of the 1cm and 2cm circles

Area of the 1st circle;  π X 1∧2 = π

Area of the Second circle; π X 2∧2 = 4π

We also need the area which is the difference between the area of the 1cm and 2cm circle

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Points 50 = π/4π = 1/4

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This is approximately 35

Therefor, 10 individual attempts will be 10 x 35 = 350

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