2 years ago

If a train is traveling at 60 miles per hour at what average speed should you run at

Mathematics

1 answer:

Bogdan [553]2 years ago

5 0

6 - 23 Miles Per Hour

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A) Find the distance of line segment PR. Round answer to the nearest tenth. B) Find the distance around the park (perimeter).

juin [17]

Answer:

A. $PR = 80.6 yd$

B. Perimeter = 190.6 yd

Step-by-step explanation:

A. Distance between P(10, 50) and R(80, 10):

$PR = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

$PR = \sqrt{(80 - 10)^2 + (10 - 50)^2}$

$PR = \sqrt{(70)^2 + (-40)^2}$

$PR = \sqrt{4,900 + 1,600}$

$PR = \sqrt{6,500}$

$PR = 80.6 yd$ (nearest tenth)

B. Distance around the park = Perimeter = PR + PQ + QR

PR = 80.6 yd

PQ = |50 - 10| = 40 yd

QR = |80 - 10| = 70 yd

Perimeter = 80.6 + 40 + 70

Perimeter = 190.6 yd

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2 years ago

How do you get that m

Otrada [13]

Answer:

What?

Step-by-step explanation:

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2 years ago

A 10-foot ladder is leaning against a tree. The bottom of the ladder is 4 feet away from the bottom of the tree.

Alchen [17]

10^2 -4^2 = x^2
100 -16 = x^2
84= x^2
Find the square root of 84 which is approximately 9.2
The answer is 9.2

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2 years ago

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WILL MARK BRAINLIEST!!!!!!!! :))))))))))))))))

lukranit [14]

Answer:

(A) No solution

(B) One solution

(D) One solution

(E) No solution

Please tell me if this is incorrect. I hope this helps!

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2 years ago

Last one, So so sorry!

zvonat [6]

C and D are the same, so its between A and B, which concludes your answer should be B

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2 years ago

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