2 years ago

Victor bought a new soccer ball. The original price was $29.99, but the ball was on sale for 15%

Mathematics

1 answer:

enot [183]2 years ago

7 0

Step-by-step explanation:

100-15=85%

85% × 29.99

=$25.49

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Of the 15 year olds at karate school 8 have black belts in 20 had Brown belts among 16 year olds 10 have black belts in 17 have

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Answer:

16 year olds had the higher ratio of black belts to brown belts.

Step-by-step explanation:

15 year olds: 8/28 students had black belts

8/28 = 28.6% had black belts

16 year olds: 10/27 students had bald belts

10/27 = 37.0% had black belts

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3 years ago

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3 years ago

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Answer:

10a+3b÷c/3

Step-by-step explanation:

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2 years ago

Question 11

dem82 [27]

Answer:

There were 49 questions on this Geometry test.

Step-by-step explanation:

You can start by setting up a proportion:

x = total number of questions on Geometry test

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Now, to solve for x, cross multiply:

75.51x = 3700

Finally, isolate x and solve:

x = 49.0001324328

This is very close to 49.

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3 years ago