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olga55 [171]
3 years ago
9

5. Adam drives his car with an average velocity of 85 km/h eastward. How long will it take him to drive

Mathematics
1 answer:
NISA [10]3 years ago
7 0

Answer:

x = 6.59 hrs = about 6 hours, 35 minutes

Step-by-step explanation:

Adam drives at 85 km / h. Let's set up equivalent fractions to see how long if he drives 560 km.

\frac{85 km}{1  hr} = \frac{560 km}{x hr}

Cross-multiply:

85x = 560

Solve for x:

560/85 = x

<u>x = 6.59 hrs = about 6 hours, 35 minutes</u>

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Answer:

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Step-by-step explanation:

4x-20

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4(x-5)

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12 groups. Divide 60 by 12: 60/12=5. 48/12=4 :)
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Regina walked 1/6 of a mile each day for 8 days. how many miles did she walk in all
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Trigonometry
Alla [95]

90° is equal to  \frac{\pi}{2} or 1.5707 radians.

Step-by-step explanation:

Step 1:

If an angle is represented in degrees, it will be of the form x°.  

If an angle is represented in radians, it will be of the form \frac{\pi}{x} radians.

To convert degrees to radians, we multiply the degree measure by \frac{\pi}{180}.

For the conversion of degrees to radians,

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Step 2:

To convert 90°,

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3 0
4 years ago
Choose the system of equations that matches the following graph: (5 points) picture of coordinate plane with line y equals negat
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Answer:

Option D

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Since I equation is not satisfied not the matching system

Since II equation is not satisfied not the matching system

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5(-2)+2=-8

Thus D is the system which has solution (-2,2)

8 0
3 years ago
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