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3 years ago

13

Jessica can do 60 jumping jacks in 2 minutes.dale can do 150 jumping jacks in 5 minutes.Are these rates equivalent? Explain your

reasoning

1 answer:

artcher [175]3 years ago

6 0

The rates are equivalent because both of them do 30 jumping jacks a minute.

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Answer:$271

Step-by-step explanation:

$125x12= 1500+250=1750

1750-1479=271

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3 years ago

marshall took $36.75 to a fair. Each ticket into the fair costs X dollars. marshall bought 3 tickets. which expression represent

Sholpan [36]

Y = money left over
X = fair ticket

Y = 36.75 - 3x

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2 years ago

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Jane bought an item for $40 that, after seeing it had a 20% discount. janes friend said the original price was $48. is she right

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3 years ago

An ant looks up to the top of a building at an angle of elevation of 32°. Then, the ant walks an additional 88 feet from the edg

Naddik [55]

Tanα=h/x, tanß=h/(x+88)

solving both for x

x=h/tanα, x=h/tanß-88, since x=x

h/tanα=h/tanß-88

h/tanß-h/tanα=88

(htanα-htanß)/(tanα*tanß)=88

h(tanα-tanß)/(tanα*tanß)=88

h=88(tanα*tanß)/(tanα-tanß)

Since α=32 and ß=22...

h=88(tan32*tan22)/(tan32-tan22)

h≈85.3 feet

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3 years ago