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lorasvet [3.4K]
2 years ago
10

Calculate the distance between the points G= -2.2) and C = (5, -1) in the coordinate plane.

Mathematics
1 answer:
frozen [14]2 years ago
4 0

Answer:

Step-by-step explanation:

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Finding the volume of the cone
Alekssandra [29.7K]

Answer:

\frac{686\pi }{3} or 718.3775

Step-by-step explanation:

Formula:

\pi r^2\frac{h}{3}

we have

\pi *7^2*\frac{14}{3}= \frac{686\pi }{3}

4 0
2 years ago
Which of the following statements is true
agasfer [191]
The answer should be D
6 0
3 years ago
Read 2 more answers
Six friends together with their respective partners all meet up for a meal. To  commemorate the occasion, they arrange for a ph
olasank [31]

Answer:

1440 different arrangements are possible.

Step-by-step explanation:

Number of arrangements of n elements:

The number of arrangements of n elements is given by:

A_{n} = n!

In this question:

6 couples, in which each can be positioned in 2 ways(him/her or her/him). So

T = 2A_{6} = 2*6! = 1440

1440 different arrangements are possible.

8 0
3 years ago
Is 5 x pi a rational number
lyudmila [28]

yes because 5 times pi jis just basically a decimal times a whole number and pi is never ending

4 0
3 years ago
A cone has a diameter of 9 inches and a height of 12 inches. Find the volume of the cone to the nearest tenth.
Vanyuwa [196]
1)
The formula for calculating the cone volume is: 
V =  \frac{ \pi *r^2*h}{3}

Data:
V (volume) = ?
h (height) → h = 12 in
d (diagonal) = 9 in , if: d = 2*r , soon: 9 = 2*r → 2r = 9 → r = 9/2 → r = 4.5 in
Use: \pi \approx 3.14

Solving:
V = \frac{ \pi *r^2*h}{3}
V = \frac{ 3.14 *4.5^2*12}{3}
V = \frac{ 3.14 *20.25*12}{3}
V = \frac{763.02}{3}
\boxed{\boxed{V = 254.34\:in^3}}\end{array}}\qquad\quad\checkmark

2)
The circle area formula is: A =  \pi * r^2

Data:
A (area) = ?
d (diagonal) = 19 Km , if: d = 2*r , soon: 19 = 2*r → 2r = 19 → r = 19/2 → r = 9.5 Km
Use: \pi \approx 3.14

Solving:
A = \pi * r^2
A = 3.14*9.5^2
A = 3.14*90.25
\boxed{\boxed{A = 283.385\:Km^2}}\end{array}}\qquad\quad\checkmark


3) False, because it's the volume, the number of cubic units needed to fill a space. 
6 0
3 years ago
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