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irga5000 [103]
4 years ago
14

Simplify each expression -5r (3r^2)​

Mathematics
1 answer:
Evgen [1.6K]4 years ago
7 0

Answer:

The answer you're looking for is

-5r (3r^2) = -45

Step-by-step explanation:

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If m∠2 = 130°, what is m∠6?
slega [8]

Answer:

m<6 = 130°

Step-by-step explanation:

If m∠2 = 130°, what is m∠6?

Find the diagram attached

From the digram we can see that the vertical lines are parallel. Hence based on geometry;

m<2 = m<6 (corresponding angles)

Given m<2 = 130°, hence m<6 = 130°

8 0
3 years ago
Penn draws a triangle with one 90 degree angle. What could be the measures of the other two angles in penn’s triangle?
stellarik [79]

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both 45 degrees

Step-by-step explanation:

90 + 45 + 45 = 180 degrees

Hope this helps!

4 0
3 years ago
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NeX [460]

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Step-by-step explanation:

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a motorist starts from O nd moves in a direction 030° for 36km.he then moves 7km towards the west .how far east his he now from
gavmur [86]

Answer:

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Step-by-step explanation:

Assuming your "direction 030°" is a bearing measured clockwise from north, the amount the motorist moved east on the first leg of the journey was ...

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From that point, moving 7 km west makes his easterly position ...

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The sine of an angle is the ratio of the side opposite to the hypotenuse. You can find the length of the side opposite (the easterly motion) by multiplying the sine of the bearing angle by the distance of travel. A diagram can help.

5 0
3 years ago
The temperature, t, in Burrtown starts at 21°F at midnight, when h = 0. For the next few hours, the temperature drops 4 degrees
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