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3 years ago

9

how do u find the area of a triangle A. Length x width divided by 2 B. Length x width C. 1/3 (length x width) D. base times heig

ht

1 answer:

tatyana61 [14]3 years ago

6 0

Answer:

A

Step-by-step explanation:

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Suppose a random sample of 40 students from a university were asked their ages. The table below gives a summary of the reported

fomenos

Answer:

I think it is

Step-by-step explanation:

(18.0, 22.0). We are 95% confident that the mean age of university students is between 18 and 22.

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1 year ago

Describe how you regroup whenyou find 64+43

Mariana [72]

You regroup because the 4 in 64 plus the 3 in 43 equals 7, then you move onto the tens place, and 60 plus 40 equals 100, so that is how. Your answer is 107.

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3 years ago

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What is CD equaled to ?

enot [183]

Answer:

10

Step-by-step explanation:

cd being the longer segment is equal to 2/3s of 15.

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2 years ago

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The CPU of a personal computer has a lifetime that is exponentially distributed with a mean lifetime of six years. a) What is th

amm1812

Answer: Our required probability is 0.39.

Step-by-step explanation:

Since we have given that

X be the exponentially distributed with mean life = 6 years

So, E[x]=6

$\dfrac{1}{\lambda}=6\\\\\lambda=\dfrac{1}{6}$

So, our cumulative distribution function would be

$F(x)=1-e^{-\lambda x}$

We need to find the probability that the CPU fails within 3 years.

$P(X$

Hence, our required probability is 0.39.

7 0

3 years ago

Find the area of the blue sector. Use 3.14 for pi and round to the nearest hundredth.

jeka94

Answer:

Option C $25.64\ in^{2}$

Step-by-step explanation:

we know that

The area of a circle is equal to

$A=\pi r^{2}$

we have

$r=7\ in$

substitute

$A=\pi(7)^{2}=49\pi\ in^{2}$

Remember that

$360$ degrees subtends the complete area of the circle

so

by proportion

Find the area of the blue sector for an angle of $60$ degrees

$\frac{49\pi}{360}=\frac{x}{60}\\ \\x={49\pi*60/360$

$x=25.64\ in^{2}$

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2 years ago

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