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3 years ago

Find the circumference in feet.

Mathematics

1 answer:

Rama09 [41]3 years ago

3 0

Answer:

C≈25.13ft

Step-by-step explanation:

Using the formulas

C=2πr

d=2r

Solving for C

C=πd=π·8≈25.13274ft

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Suppose the time it takes for a purchasing agent to complete an online ordering process is normally distributed with a mean of 8

Luba_88 [7]

Answer: 0.4

Step-by-step explanation:

We know that the standard deviation of the sampling distribution of mean is given by:-

$\sigma_x=\dfrac{\sigma}{\sqrt{n}}$

Given : Standard deviation : $\sigma= 2\text{ minutes}$

Sample size : n= 25

Then, the standard deviation of the sampling distribution of mean times will be :-

$\sigma_x=\dfrac{2}{\sqrt{25}}\\\\\Rightarrow\ \sigma_x=\dfrac{2}{5}=0.4$

Hence, the standard deviation of the sampling distribution of mean times=0.4

7 0

3 years ago

Bryce is looking at a map of a theme park. The map is laid out in a coordinate system. Bryce is at (2, 3). The roller coaster is

Sunny_sXe [5.5K]

Answer:

Bryce is closer to the <u>roller coaster</u> as compared to the water ride.

Step-by-step explanation:

Given :

Bryce is at point (2,3)

Roller coaster is at point (7,8)

Water ride is at point (9,1)

To find whether Bryce is closer to roller coaster or the water ride.

Solution.

In order to determine the closeness of Bryce from either of the two rides, we will need to find the distance of Bryce from each of them. We can apply distance formula in order to do so.

By distance formula to find distance between two points $(x_1,y_1)$ and $(x_2,y_2)$ .

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Distance between Bryce (2,3) and roller coaster (7,8) can be given as:

$d_1=\sqrt{(7-2)^2+(8-3)^2}$

$d_1=\sqrt{(5)^2+(5)^2}$

$d_1=\sqrt{25+25}$

$d_1=\sqrt{50}$

$d_1=7.07$ units

Distance between Bryce (2,3) and water ride (9,1) can be given as:

$d_2=\sqrt{(9-2)^2+(1-3)^2}$

$d_2=\sqrt{(7)^2+(-2)^2}$

$d_2=\sqrt{49+4}$

$d_2=\sqrt{53}$

$d_2=7.28$ units

Thus, we can see that Bryce is closer to the roller coaster as compared to the water ride.

3 0

3 years ago

Owen’s parents were planning a big birthday party for him. (a) His parents spent $2.49 on each of 6 goodie bags. How much did th

frozen [14]

(a) 2.49 * 6 = 14.94 <== what they spent on goodie bags

(b) 150 for 8 hrs = 150/8 = 18.75 per hr

(c) 182.53 - (150 + 14.94) = 182.53 - 164.94 = 17.59...they spent 17.59 more

6 0

4 years ago

Read 2 more answers

You are checking the results of a phone app that counts calories. When someone eats, it is recorded as positive calories. When s

Kobotan [32]

1840 calories. I might be wrong so don't rely on me 100%. Sorry.

7 0

3 years ago

Read 2 more answers

[100 POINTS!!] Consider this cone and pyramid, which have the same height, h. Planes parallel to the base cut through each solid

ANEK [815]

#Circle 1

π12²
144πunits²

#Circle 2

6²π
36πunits²

#Circle 3

3²π
9πunits²

#Triangle 1

1/2(12π)(24)
6π(24)
144πunits²

#Triangle 2

1/2(6π)(12)
36π units²

#Triangle 3

1/2(3π)(6)
9π units²

4 0

2 years ago