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3 years ago

1.Jose’s car covers 200 kilometers in 4 hours. What is the average speed?

Mathematics

2 answers:

miv72 [106K]3 years ago

7 0

Answer:

50 km per hour

Step-by-step explanation:

Average speed = Distance travelled / Time taken

= 200 / 4

= 50

Therefore, average speed is 50 km per hour.

Musya8 [376]3 years ago

3 0

$\huge \bold \green{question}$

Jose’s car covers 200 kilometers in 4 hours. What is the average speed?

$\huge \bold \red{solution}$

Average speed = Distance travelled / Time taken

= 200km / 4 hours

= 50 km/h

$\huge \bold \blue{answer}$

50 km/h is the average speed of Jose's car.

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3 years ago

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Elenna [48]

Answer:

D. $\dfrac{1}{2}$

Step-by-step explanation:

Given:

Set M = {-6, -5, -4, -3, -2}

Set T = {-2, -1, 0, 1, 2, 3}

Now, the product of two numbers is negative only if the numbers choses are of opposite sign.

A negative number is a number less than 0. A positive number is a number greater than 0.

So, the set M has all numbers as negative.

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Now, probability of choosing a negative number from set M is 1 as all the numbers are negative. So,

$P(negative)=1$

Now, we need to find the probability of choosing a positive number from set T.

Set T has 3 positive numbers out of total 6 numbers.

Therefore, the probability of choosing a positive number from set T is given as:

$P(positive)=\frac{\textrm{Number of positive numbers}}{\textrm{Total number}}\\\\P(positive)=\frac{3}{6}=\frac{1}{2}$

Therefore, the probability that the product of the two integers will be negative is obtained by the product of the individual probabilities. This gives,

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Therefore, the correct answer is option D.

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3 years ago