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2 years ago

How far will i travel if i am driving @75kmh for 18 mins. can the distance over speed applies?

Mathematics

1 answer:

Roman55 [17]2 years ago

8 0

Answer:

22.5 km

Step-by-step explanation:

Speed = distance/time

Given speed = 75km/h

time = 18 mins

Distance = ?

Given the speed is in km/h , convert the time from minutes to hour .

18/60 = 0.3 hours

Therefore,

75 = distance/0.3

Cross multiply

75 x 0.3 = distance

22.5 = distance

Distance = 22.5 km

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What is the relative size of (how many times as large) a circle's' circumference C to its diameter, d

Pavlova-9 [17]

Answer:

The circumference is pi times larger than the diameter of a circle.

Step-by-step explanation:

The formula of the circumference of a circle is

C = 2(pi)r = (pi)d

C = (pi)d

To find the ratio of the circumference to the diameter, divide both sides of the equation by d.

C/d = pi

The circumference is pi times larger than the diameter of a circle.

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3 years ago

Can someone write −4 and (6, 4) in standard form. -4 is the slope. I need it as one answer.

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Step-by-step explanation:

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2 years ago

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lord [1]

Answer:

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Step-by-step explanation:

-26 = -15x + 8

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3 years ago

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The following graph shows data regarding the population of a town in thousands. At what rate was the population changing?

Elina [12.6K]

Notice those two points on the "linear graph", the first point is at (1965 , 140) and the second point is at (1990 , 100).

the rate or average rate of change, namely the slope will then be

$\bf \begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
% (a,b)
&&(~{{ 1965}} &,&{{140}}~) 
% (c,d)
&&(~{{ 1990}} &,&{{ 100}}~)
\end{array}
\\\\\\
% slope = m
slope = {{ m}}\implies 
\cfrac{\stackrel{rise}{{{ y_2}}-{{ y_1}}}}{\stackrel{run}{{{ x_2}}-{{ x_1}}}}\implies \cfrac{100-140}{1990-1965}\implies \cfrac{-40}{25}\implies -\cfrac{8}{5}$

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2 years ago

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Answer:

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Step-by-step explanation:

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2 years ago