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morpeh [17]
2 years ago
6

A map has a scale of 2 inches : 25 miles. Chandra uses the map to find the distance from the zoo to her house. The distance on t

he map is 5 inches. How many miles away is the zoo from Chandra’s house?
Mathematics
1 answer:
geniusboy [140]2 years ago
5 0

Step-by-step explanation:

Turn the ratio into a fraction

2in /25 mi

You want to have miles so you can flip the fraction and mutiply to cancel out the inches

(25mi / 2in) x 5in = (25 mi x 5in) / 2in

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nirvana33 [79]

Answer:cot t = 1.875

sin t=\frac{-8}{17} but sin²t + cos²t = 1 ⇔ cos²t = 1 - sin²t

⇔cos t = \sqrt{1-sin^{2}t }=\sqrt{1-(\frac{-8}{17})^{2}  }=|\frac{15}{17}|

but  t is a quadrant III angle => cos t = \frac{-15}{17}

=> cot t = \frac{-15}{17}:\frac{-8}{17}=\frac{15}{8}=1.875

Step-by-step explanation:

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3 years ago
An initial investment of $100 is now valued at $150. The annual interest rate is 5%, compounded
Alika [10]

Answer:

  8 years

Step-by-step explanation:

100e^(.05t) = 150 . . . . . a better model of the situation

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tangare [24]

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2 years ago
Find the point of intersection of lines given<br> y=2x+1<br> y=-x+11
AnnZ [28]

Answer:

(10, 21)

Step-by-step explanation:

To get the point of intersection of the lines given ( it means we need to find at what value of x will correspond to the value of y)

y = 2x+1

y = x+11

insert equation i in equation ii

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2x-x = 11-1

x = 10

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3 years ago
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The answer to this question please
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