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lora16 [44]
3 years ago
5

10 times as much as blank is 1/10 of 900

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
4 0

9 times 10 is 90.

90 is 1/10 of 900.

The answer is 9.

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What is 32 divided by 6.79
TiliK225 [7]

Answer:

32 divided by 6.79 is 4.71281296024

Step-by-step explanation:

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During a field trip, 60 students are put into equal-sized groups. During a field trip, 60 students are put into equal-sized grou
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How many groups are there or how many people are in each group

Step-by-step explanation:

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3 years ago
One US dollar is currently worth 0.79 euro (€). If you exchange $522 for euros, how many euros will you have?
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Answer: 412.38

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3 years ago
6. Assume that a component passes a test is 0.85 and that components perform independently. What is the probability that the thi
Tanzania [10]

Answer:

3.90% probability that the third failure will occur on the tenth component tested

Step-by-step explanation:

For each component, there are only two possible outcomes. Either it fails, or it does not fail. Components perform independently. 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.

Assume that a component passes a test is 0.85

So they fail with probability of p = 1 - 0.85 = 0.15

What is the probability that the third failure will occur on the tenth component tested

First 9 components: Two failures, that is, P(X = 2) when n = 9.

10th component: Failure with probability 0.15.

So

P = 0.15P(X = 2)

In which

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

P(X = 2) = C_{9,2}.(0.15)^{2}.(0.85)^{7} = 0.2597

So

P = 0.15P(X = 2) = 0.15*0.2597 = 0.0390

3.90% probability that the third failure will occur on the tenth component tested

5 0
3 years ago
Jimmy cn run 3.5 miles in 20 minutes. How far can he run in one hour and ten minutes?
vladimir2022 [97]

Answer: 12.25miles.

Step-by-step explanation:

This is a simple proportion.

                       20 miles   = 3.5miles

      ∴                1 mile     = 3.5/20

      ∴  1hour 10minutes  which is equivalent to 70minutes will be

                                        =  (3.5/20 x ⁷⁰/₁ ) miles

                                        = 12.25miles

7 0
3 years ago
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