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ddd [48]
3 years ago
11

There are 18 girls and 12 boys in your class. What is the probability that a new kid entering your class will be a boy

Mathematics
2 answers:
Llana [10]3 years ago
6 0
50 percent because the amount of students already in the class will not affect the new student coming in. So it would be 1/2, .5, or %50
nikdorinn [45]3 years ago
4 0
Its a 50/50 chance. P=0.5
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Find the x-intercept of the line 9× + 3y = -18​
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ElenaW [278]
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4 0
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Read 2 more answers
Solve this
sesenic [268]

A sandwich store charges a delivery fee to bring lunch to an office.

Delivery cost - D

Meatball sandwich cost  - M

One office pays $40.50 for 5 meatball sandwiches.

40.50 = 5M + D

Another office pays $66.50 for 9 meat ball sandwiches

66.50 = 9M + D

A. How much does each meatball sandwich add to the cost of delivery?

D = 40.50 - 5M = 66.50 - 9M

40.50 - 5M = 66.50 - 9M

9M - 5M = 66.50 - 40.50

4M = 26.00

M = 6.50

B. What is the delivery fee

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Check

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3 0
3 years ago
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