4 years ago

A car is traveling at a speed of 75 km/h. Compute the speed of the car in m/s.

Mathematics

1 answer:

solniwko [45]4 years ago

3 0

It would be C-20.8m/s

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Olivia works at a company that creates mobile phones. She wanted to estimate the mean amount of time their new phone's battery l

Anna007 [38]

Answer:

9+- 1.7

Step-by-step explanation:

Kahn

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2 years ago

A bag contains eight yellow marbles, nine green marbles, three purple marbles, and five red marbles. Two marbles are chosen from

Kryger [21]

Answer:

The expression would give the probability that one marble is yellow and the other marble is red is,

$P(Y\cdot R\ And\ R\cdot Y)=P(Y)P(R)+P(R)P(Y)$

Step-by-step explanation:

A bag contains eight yellow marbles, nine green marbles, three purple marbles, and five red marbles. So in total there are 25 marbles.

Hence,

Probability of getting yellow ball = $P(Y)=\dfrac{8}{25}$

Probability of getting red ball = $P(R)=\dfrac{5}{25}$

Probability that one marble is yellow and the other marble is red is,

$P(Y\cdot R\ And\ R\cdot Y)=P(Y)P(R)+P(R)P(Y)=\dfrac{8}{25}\cdot \dfrac{5}{25}+\dfrac{5}{25}\cdot \dfrac{8}{25}=0.128$

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3 years ago

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vlabodo [156]

Answer:

I believe that the correct answer is 7.

Step-by-step explanation:

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3 years ago

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A pizza has a circumference of 12 inches. Find the exact area of the pizza. Use 13.4 for pi.

denis-greek [22]

Answer: 113.04

Step-by-step explanation:

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3 years ago

What is the standard deviation of a normal distribution, whose mean is 35, in which an x-value of 23 has a z-score of -1.63?

Dvinal [7]

Answer:

7.36

Step-by-step explanation:

z-score is:

z = (x − μ) / σ

Given that z = -1.63, x = 23, and μ = 35:

-1.63 = (23 − 35) / σ

σ ≈ 7.36

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3 years ago