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3 years ago

A motorist took 1.2 hour to travel 96 km how far will he travel in 1 hour

Mathematics

1 answer:

miskamm [114]3 years ago

4 0

Answer:

80km

Step-by-step explanation:

To solve this problem, we need to cross multiply. Lets input the values (1.2, 1.0, 96) as shown below:

$\frac{1.2}{96} = \frac{1.0}{x}$

Next we cross multiply. We multiply 1.2 and x, and we multiply 96 and 1.0.

1.2(x) = 1.2x

96 x 1.0 = 96

Now, lets put the values above back into the equation:

1.2x = 96

Lets solve this equation. First we divide 96 by 1.2.

1. $x = \frac{96}{1.2}$

2. $x = 80$

This means that our answer is 80km.

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Answer:

x = 14

< A = 58 degrees

< B = 52 degrees

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Step-by-step explanation:

Recall that the addition of the three internal angles of a triangle must render 180 degrees, then we can write:

<A + <B + <C = 180

and now replace with the algebraic expressions given for each angle:

2(x + 15) + 3 x + 10 + 5 x = 180

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Now that we know x, we can calculate each of the angles using the fiven expressions:

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Answer:

The planning value for the population standard deviation is of 4330.

Step-by-step explanation:

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The uniform probability distribution has two bounds, a and b. The standard deviation is given by:

$S = \sqrt{\frac{(b-a)^2}{12}}$

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Uniform in this interval, so $a = 20000, b = 35000$

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