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miss Akunina [59]
2 years ago
12

A train of length 100m is moving at a speed of 50km/h. A horse is running alongside the train at a speed of 56km/h. How long wil

l it take the horse to overtake the train?
Mathematics
2 answers:
Akimi4 [234]2 years ago
4 0
I've attached working. The method I've used explains everything, is a bit long winded but is the best way to explain :)
Ronch [10]2 years ago
3 0
It will take 1 MINUTE for the horse to overtake the train.
<span>(56 – 50) 6 km/hr
</span><span>0.1/6 = 1/60 hr = 1 min </span>
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4. As shown in Figure 5.111 to the right if the
Juli2301 [7.4K]

Answer:

Area of the shaded part is 3.14 square unit.

Step-by-step explanation:

Area of the shaded part = Area of large semicircle - (Area of two small semi circles)

Area of large semicircle with center O = \frac{1}{2}(\pi r^2)

                                                                = \frac{1}{2}\pi (2)^{2}

                                                                = 2π

Area of semicircle with center O' = \frac{1}{2}\pi (1)^2

                                                      = \frac{\pi }{2}

Area of semicircle with center O" = \frac{\pi }{2}

Now substitute these values in the formula,

Area of shaded part = 2\pi - (\frac{\pi }{2}+\frac{\pi }{2})

                                  = \pi

                                  = 3.14 square unit

Area of the shaded part is 3.14 square unit.

7 0
2 years ago
31,680 ft = mi<br> A. 6 <br> B. 18 <br> C. 60 <br> D. 2,640
Vlad1618 [11]
5280 feet = 1 mile
31,680 feet = x miles

31,680/5,280 = 6

31,680 feet = 6 miles.

Your answer is A. 6.
6 0
2 years ago
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motikmotik

Answer:

1A, 2C, 3X, 4A, 5B, 6W, 7X

Step-by-step explanation:

Im not sure about these answers, can you have the same letter for a different number?

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3 years ago
A children's slide has a length of 5.8m. The vertical ladder is 2.6m above the groubd. Find the angle the slide makes with the g
Elodia [21]

<u>Answer</u>


26.6°


<u>Explanation</u>

You are required to use the trigonometric ratio, sine, to find that angle.

SinФ = opposite/hypotenuse


sin Θ = 2.6/5.8

= 0.4483


The angle Θ = Anti-sine(0.4483)

= 26.633°


The angle the slide makes with the ground, correct to one decimal place is 26.6°

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