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3 years ago

8

Help Plz, I need to know the Points on the strips.

1 answer:

Sladkaya [172]3 years ago

3 0

7. 1/4
8. 1/8
9. 1/7
Estimated

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WORTH 58 POINTS HELP MEE PLEASE

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Answer:

4:1

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What fraction of the days of the week begin with the letter T

Nataly [62]

Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.
2 start with "T"
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The heights of adult men in America are normally distributed, with a mean of 69.8 inches and a standard deviation of 2.61 inches

Dvinal [7]

Answer:

1.99

Step-by-step explanation:

We have been given the heights of adult men in America are normally distributed, with a mean of 69.8 inches and a standard deviation of 2.61 inches. We are asked to find the z-score of height of man with 6 feet 3 inches.

We will use z-score formula to solve our given problem.

$z=\frac{x-\mu}{\sigma}$ , where,

z = z-score,

x = Sample score,

$\mu$ = Mean,

$\sigma$ = Standard deviation,

6 feet 3 inches = 72+3 inches = 75 inches

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$z=1.99233716475$

$z\approx 1.99$

Therefore, the z-score for the man with height of 6 feet 3 inches is 1.99.

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4 years ago

Which phrase correctly orders 2, –3, –15, and –8?

marshall27 [118]

A negative is less than 0. So the greater the negative number the less it is.

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3 years ago

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What is the radius of a sector

professor190 [17]

Answer:

$\frac{10}{3}$ units

Step-by-step explanation:

Recall that the area of a sector is $A=\frac{r^2\theta}{2}$ where $r$ is the radius and $\theta$ is the angle of the sector (measured in radians).

Therefore, the radius of the sector is:

$A=\frac{r^2\theta}{2}$

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$200\pi=27r^2(\frac{2\pi}{3})$

$200\pi=r^2(\frac{54\pi}{3})$

$200\pi=r^2(18\pi)$

$\frac{200}{18}=r^2$

$\frac{100}{9}=r^2$

$\frac{10}{3}=r$

So, the radius of the sector is $\frac{10}{3}$ units.

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2 years ago