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bezimeni [28]
3 years ago
10

Pierce drove to Allentown to baker, averaging 55 miles per hour. His journey back to Allentown using the same route took 3 hours

longer because he averaged only 40 miles per hour. How long did it take him to drive to Allentown to baker? What is the distance between Allentown and baker?
Mathematics
1 answer:
attashe74 [19]3 years ago
7 0

This problem can be solved using the formula

D = rt

Where d is the distance

R is the speed

T is the time

Then establish the two equation

D = 50t

D = 40(t+3)

Equating the two quations

50t = 40(t+3)

T = 12 hrs he took to drive from alentown to baker

<span>D = 50x12 = 600 miles</span>

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What are the measures of Angles a, b, and c? Show your work and explain your answers.
Lyrx [107]

Answer:

  (a, b, c) = (30°, 60°, 105°)

Step-by-step explanation:

Angle "a" and 30° are vertical angles, hence equal.

Angle "b" and angle "a" are complementary angles, so b = 90° -30° = 60°.

Angle "c" is supplementary to the one marked 75°, so is 180° -75° = 105°.

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Angles "a" and "b" are complementary because the sum of angles in a triangle is 180° and the third angle in that triangle is 90°. Then ...

  a+b = 180°-90° = 90°

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75° and "c" are supplementary, because they are linear angles. The angle measure of a line is 180°, so that is their total measure.

6 0
3 years ago
Please answer this correctly without making mistakes
Gekata [30.6K]

Answer:

16

Step-by-step explanation:

The distance is given by

d = sqrt( (x2-x1) ^2 + ( y2-y1) ^2)

Since the x values are the same

d = sqrt(  ( y2-y1) ^2)

d = sqrt(  (( -6 - 10)^2))

d =  sqrt((-16) ^2)

d = 16

We can also just find the number of squares between the points since the x value is the same.

10 - -6

10+6

16

4 0
3 years ago
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defon

Answer:

\frac{225}{30} or 7\frac{1}{2}

Step-by-step explanation:

\frac{25*9}{3*10} = \frac{225}{30}

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3 years ago
NEED HELP NOW!!!
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<em><u>D.</u></em><em><u> </u></em>

<em><u>Explanation</u></em><em><u>:</u></em>

<em><u>a landscape of farmland bisected by long straight roads"</u></em>

<em><u>divide into two parts.</u></em>

<em><u>hope</u></em><em><u> I</u></em><em><u> help</u></em><em><u> you</u></em><em><u> ☺️</u></em><em><u>❤️</u></em>

<em><u>:</u></em><em><u>)</u></em><em><u> </u></em><em><u> </u></em><em><u>:</u></em><em><u>></u></em>

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2 years ago
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aliina [53]
To grandparents house :
140/56 = 2.5 hours

Return trip :
140/50 = 2.8 hours

Total time : 2.8+2.5 = 5.3 hours
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