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bonufazy [111]
3 years ago
7

At a car racing track the speed of one car was recorded as 170.55miles per hour . Round the speed to the nearest tenth

Mathematics
1 answer:
sdas [7]3 years ago
5 0

Answer:

170.6

Step-by-step explanation:

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Help me solve 11-2(x-5)
dsp73

Answer:

21-2x

Step-by-step explanation:

11-2(x-5)

11-2x+10

21-2x

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The sale price of a rucksack is £12, its normal price is £32. Write the ratio of the sale price to the normal price in its simpl
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What is the highest common factor of 12 and 32?
It is 4, so we divide both numbers by 4.
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PLZ SHOW WORK 250 POINTS<br><br> how do you do 1/4 x 750,000
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Geometry Math
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Answer:

Step 3: The measure of angle DAB is 60°. Reason: Since DAE is a right angle, and EAB is 30 degrees, 90 - 30 is 60. (Just find the reason that is related to this statement).

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Step-by-step explanation:

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2 years ago
if the probability that the islanders will beat the rangers in a game is 0.44,what is the probability that the islanders will wi
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Answer:

30.91% probability that the islanders will win exactly one out of four games in a series against the rangers

Step-by-step explanation:

For each game, there are only two possible outcomes. Either the Islanders win, or they do not. The probability of the Islanders winning a game is independent of other games. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

The probability that the islanders will beat the rangers in a game is 0.44

This means that p = 0.44

What is the probability that the islanders will win exactly one out of four games in a series against the rangers? ​

This is P(X = 1) when n = 4. Then

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 1) = C_{4,1}.(0.44)^{1}.(0.56)^{3} = 0.3091

30.91% probability that the islanders will win exactly one out of four games in a series against the rangers

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