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4 years ago

Mrs Watson runs a distance of 200 metres in 25 seconds work out the average speed of miss Watson in metres per second

Mathematics

2 answers:

ira [324]4 years ago

8 0

Answer:

8metres per minutes

Step-by-step explanation:

There is a general formula to solve this question which is

Average speed=distance/time

The SI unit can only be determined depending on the question given

So let's solve the question

Distance is 200metres

Time is 25 minutes

But since we are to leave our answer as meter per minute there's no need to convert so let's solve directly

Average speed=200/25

Average speed is 8metres per minutes

Therefore the final answer is 8metres per minutes

natima [27]4 years ago

5 0

8 meters per second. You get this by dividing the amount of meters by the amount of seconds. 200/25=8.

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pashok25 [27]

Answer:

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Step-by-step explanation:

Using the binomial probability formula :

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From the question :

n = 6 ; x = 3 ; p = 0.42

P(x = 3) +... P(x = 6)

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

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4 years ago

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M is the midpoint of CD. Given the coordinates of one endpoint C(10,-5) and the midpoint M(4, 0), find the coordinates of the ot

mash [69]

Answer:

D(-2, 5).

Step-by-step explanation:

We are given that M is the midpoint of CD and that C = (10, -5) and M = (4, 0).

And we want to determine the coordinates of D.

Recall that the midpoint is given by:

$\displaystyle M = \left(\frac{x_1 + x_2}{2} , \frac{y_1 + y_2}{2}\right)$

Let C(10, -5) be (x₁, y₁) and Point D be (x₂, y₂). The midpoint M is (4, 0). Hence:

$\displaystyle (4, 0) = \left(\frac{10+x_2}{2} , \frac{-5+y_2}{2}\right)$

This yields two equations:

$\displaystyle \frac{x_2 + 10}{2} = 4\text{ and } \frac{y_2 - 5}{2} = 0$

Solve for each:

$\displaystyle \begin{aligned}x_2 + 10 &= 8 \\ x_2 &= -2 \end{aligned}$

And:

$\displaystyle \begin{aligned} y_2 -5 &= 0 \\ y_2 &= 5\end{aligned}$

In conclusion, Point D = (-2, 5).

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3 years ago