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Usimov [2.4K]
2 years ago
8

On a trip, a car traveled 80 miles in an hour and a half, then was stopped in traffic for 30 minutes, then traveled 100 miles du

ring the next 2 hours. What was the car's average speed in miles per hour for the 4-hour trip?
Mathematics
1 answer:
Wewaii [24]2 years ago
6 0

Answer:

45 mph

Step-by-step explanation:

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The measure of 1 in the diagram below is 113º.<br><br> What is the measure of &lt;4?
rusak2 [61]

Answer: 67°

Step-by-step explanation:

From the diagram given, we can see that 1 and 4 are angles on a straight line. It should be noted that sum of angles on a straight line equals to 180°.

Therefore,

Angle 1 + Angle 4 = 180°

113° + Angle 4 = 180°

Angle 4 = 180° - 113°

Angle 4 = 67°

Therefore, the measure of <4 is 67°

5 0
2 years ago
Answer this please thanks
Troyanec [42]

Answer:

5x I believe

Step-by-step explanation:

it rises by 5 each time

7 0
2 years ago
The diameter of a bicycle wheel is 63 cm. How much distance will it cover in 20revolutions?
alina1380 [7]

Answer:

1256 cm

Step-by-step explanation:

First we must find the perimeter, because the perimeter is equal to 1 revolution.

The perimeter of any circle is Pi(Diameter)

3.14*20

62.8 cm is the perimeter of the bike wheel.

Because the perimeter is basically a revolution, we can multiply 62.8 by 20 to get:

1256 cm

7 0
1 year ago
Miranda enlarged a picture twice as shown below, each time using a scale factor of 3.
Luda [366]

Answer:

B, C, E are true

Step-by-step explanation:

A = l*w

The original rectangle is 6 by 4  with A = 24

The 1st enlargement = 6*3 by 4*3

                                   18 by 12  with A = 216

The second enlargement is 18*3 by 12*3

                                              54 by36 with A =1944

A.The area of the first enlargement is 72 square inches.

False it is 216

B.The area of the second enlargement is 1,944 square inches.

True

C.The area of the second enlargement is (3 squared) squared times the original area.

216/24 =9  True

D.The area of the second enlargement is 3 times the area of the first enlargement.

1944/24 = 9  False

E.The ratio of the area of the first enlargement to the area of the original equals the square of the scale factor.

The scale factor is 3 3^2 =9 216/24 =9

True

4 0
3 years ago
Read 2 more answers
Is 47.2 greater than 47.197?​
DaniilM [7]
Yes. Since neither are rounded, 46.2 would be greater.
7 0
10 months ago
Read 2 more answers
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