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2 years ago

What fraction of the pizza did each of her friends get if they split it evenly?

Mathematics

1 answer:

eimsori [14]2 years ago

4 0

Answer: the answer has to be number 3if I’m not mistaking

Step-by-step explanation:

I took this test last year

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Saira is using the formula for the area of a circle to determine the value of LaTeX: \piπ. She is using the expression LaTeX: Ar

lord [1]

Given:

Area of a circle, A=50.265 sq. units.

Radius of circle, r = 4 units.

To find:

The value of π to the nearest thousandth.

Solution:

Formula for area of a circle is

$A=\pi r^2$

$\dfrac{A}{r^2}=\pi$

$Ar^{-2}=\pi$

Now, using $Ar^{-2}$ expression, we can find the value of π.

$\pi=50.265904(4)^{-2}$

$\pi=\dfrac{50.265904}{4^2}$

$\pi=\dfrac{50.265904}{16}$

$\pi=3.141619$

Approximate the value to the nearest thousandth (three digits after decimal).

$\pi\approx 3.142$

Therefore, the approximated value of π is 3.142.

8 0

3 years ago

Both circle A and circle B have a central angle measuring 50°. The area of circle A's sector is 36π cm2, and the area of circle

Romashka-Z-Leto [24]

Answer:

9/8 pi

Step-by-step explanation:

6 0

4 years ago

What is the answer to 7- 5/3c=22

andrew11 [14]

$7- \frac{5}{3c}=22 \\ \\ -\frac{5}{3c}=22-7 \\ \\ -\frac{5}{3c}= 15 \\ \\ 3c= -\frac{5}{15} \\ \\ 3c= -\frac{1}{3} \\ \\ c=\frac{1}{3}*(-\frac{1}{3}) \\ \\ \boxed{c= -\frac{1}{9}}$

8 0

3 years ago

A piece for a board game is shaped like a triangular prism. The piece is 18 millimeters long. The base of the piece is an equila

Bogdan [553]

We can solve for the surface area of the triangular prism using the formula below:
SA=bh + (s1+s2+s3) H
where b for the base, h and H for the height while s1, s2 and s3 for the length of the sides of the equilateral triangles.
Solution is shown below:
SA=10*9+(10*10*10) *18
SA=90+(1000*18)
SA=1,620,000 u²

6 0

3 years ago

Describe the sampling distribution of p(hat). Assume the size of the population is 30,000.n=800, p=0.6a) Determine the mean of t

Leno4ka [110]

Answer:

Standard deviation of the binomial distribution

= $\sqrt{n p q} = \sqrt{192} = 13.856$

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given size 'n' = 800

The population proportion 'p'=0.6

Let 'X' be the random variable of the binomial distribution

a) mean of the binomial distribution = n p = 800 ×0.6

μ = 480

b) variance of the binomial distribution

= n p q

= 800 X 0.6 ×0.4

σ² = 192

Standard deviation of the binomial distribution

σ = $\sqrt{n p q} = \sqrt{192} = 13.856$

6 0

3 years ago