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tester [92]
3 years ago
14

While shopping, Kyla found a dress that she would like to purchase, but it costs $52.25 more than she has. Kyla charges $5.50 an

hour for babysitting. She wants to figure out how many hours she must babysit to earn $52.25 to buy the dress. Use a double number line to support your answer.
Mathematics
1 answer:
Oxana [17]3 years ago
8 0
9.5 hours of babysitting.
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In triangle abc, cos A= -0.6. Find A and Tan A
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Answer:

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Step-by-step explanation:

we have

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step 1

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using a calculator

A=cos^{-1}(-0.6)=126.87^o

step 2

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sin^2(A)+(-0.6)^2=1

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step 3

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substitute the values

tan(A)=\frac{0.8}{-0.6}

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tan(A)=-\frac{4}{3}

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