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pishuonlain [190]
3 years ago
14

Cooper drove his car for 2 hours at a constant speed of 60 miles per hour and then for another 30 minutes at a constant speed of

40 miles per hour. How far did Cooper drive?
180 miles
160 miles
100 miles
170 miles
Mathematics
2 answers:
murzikaleks [220]3 years ago
8 0
2 hours of a 60mph is literally 60 miles per hour so for 2 hours its 120miles plus an addition of 40 miles how ever its half an hour so he gained 20 so 140 should be the answer if im not mistaken.
Soloha48 [4]3 years ago
7 0

If it isn't 140 try 160

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Please help thank you and show all work.
Daniel [21]
Question 1:

Look at the first attached image.

We want to solve for the height of the smaller building. Let's start by making a right triangle with angle of 15 degrees and adjacent side of 51 m.

Let's solve for the other leg. Multiply the tangent with 51 m to get the length of the other leg.

51*tan(15)
\approx 14

Now, subtract that from 207 to get the height of the smaller building.

207-14=193

That's your answer.

Question 2:

The angle of elevation is congruent to the angle of depression because they are alternate interior angles.

Thus, you can choose the 1st and 4th choices as your answer.

Question 3:

Look at the second attached image.

Angle E is congruent to angle D for the same reasons mentioned in the last question.
We can create an equation.

3x+1=2(x+8)

Distributive property

3x+1=2x+16

Subtract both sides by 1 and 2x

x=15

Since E and D are congruent, just plug this value into one of the equations for E or D. You get 46.

The third choice is your answer. Hope this helps! :)

6 0
3 years ago
The difference between a number and seven is less than or equal to -3
Scorpion4ik [409]
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Airida [17]

Answer:

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so the point is (-5,-6) and y is equal to -6

hope this helps and makes sense <3

do well babe

6 0
2 years ago
URGENT!! IS THIS CORRECT????? DEADLINE DUE.
ioda
YESSSS IT ISSSS CORRECTTT!!!!❤️❤️
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5 0
3 years ago
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