2 years ago

NEED HELP ASAP!!!! WILL MARK BRAINLIEST!!!!

Mathematics

1 answer:

viva [34]2 years ago

3 0

Answer:

Step-by-step explanation:

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What is 372 rounded to the nearest 100

Xelga [282]

372

The number 3 is in the hundreds place.

Look to the number immediately to the right.

We know that 7 is bigger than 3.

So, we add 1 to 3 and the rest become 0.

Answer: 400

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3 years ago

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caroline bought 6 pieces of gold ribbon. each piece was 3/5 of a yard long. How many yards of ribbon did she buy in all?

Zarrin [17]

Answer:

= 3 3/5 yards

Step-by-step explanation:

If 1 piece = 3/5 yard

What about 6 pieces = ?

= (6 x 3/5) ÷ 1

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2 years ago

Which undefined term is used to define an angle? line plane point ray

Dovator [93]

The answer is point.

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2 years ago

An optical inspection system is used to distinguish among different part types. The probability of a correct classification of a

Whitepunk [10]

Answer: $\mu=2.88\ \&\ \sigma^2=0.115$

Step-by-step explanation:

Given : The probability of a correct classification of any part is : p=0.96

sample size : n= 3

The formula to find the mean and variance for binomial distribution is given by :-

$\mu=np\\\\\sigma^2=np(1-p)$

Let the random variable X denote the number of parts that are correctly classified.

The, for the given situation, we have

$\mu=3(0.96)=2.88\\\\\sigma^2=(3)(0.96)(1-0.96)=0.1152\approx0.115$

Hence, the mean and variance of X are 2.88 and 0.115 respectively.

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3 years ago

20-23 only please?????

Mrrafil [7]

20.sometimes
21.always
22.always
23.sometimes

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2 years ago