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xenn [34]
3 years ago
10

PLEASE HURRY I NEED HELP :( The area of a regular hexagon inscribed in a circle with radius 2 is

Mathematics
1 answer:
NISA [10]3 years ago
8 0

Answer:

Step-by-step explanation:

4 I think not sure

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An aquarium in the shape of a rectangular prism has the volume of 3,758.75 cubic inches, length of 24.25 inches, and width of 12
natulia [17]
You do length times width times  you get your area. (I think)
8 0
3 years ago
Six more than five times a number is equal to the sum of three times the same number and 10. Identify the equation you would use
mestny [16]

Answer: the equation is 6+5x=3x+10.

Step-by-step explanation:

to find the number

add 5x+3x

then add 10+6

8x=16

divide by 2 each side.

x=2

3 0
2 years ago
30 pts. In one study, it was found that the correlation coefficient between two variables is -0.95
ch4aika [34]

Answer:

The correct option is B.

Step-by-step explanation:

It is given that the correlation coefficient between two variables is -0.95.

Correlation coefficient between two variables is denotes by ρ. The value of ρ is leis between -1 to 1.

If \rho=-1, then it represent perfect negative correlation.

If \rho=1, then it represent perfect positive correlation.

If \rho=0, then it represent no relationship between the variables.

Since the -0.95 is near to the value -1, therefore we can say that there is a strong negative association between the variables. Option B is correct.

3 0
3 years ago
Read 2 more answers
Firefighters need to use a 60-foot ladder to save a child. She is 50 feet above street
mr_godi [17]

Answer:

The ladder must be placed at a distance of 33.2 feet from the bottom of the building

Step-by-step explanation:

From what we have here, we are looking at a right angled triangle with the hypotenuse which is the length of the ladder

The height of the child is 50 feet from ground level

So we need to get the third side of the triangle

We can get this by considering the use of Pythagoras’ theorem

This will give us the length of the third side of the triangle

From Pythagoras’ the square of the hypotenuse is equal the sum of the squares of the two other sides

Let the unknown side be x

Thus;

60^2 = 50^2 + x^2

x^2 = 60^2 - 50^2

x^2 = (60-50)(60+50)

x^2 = (10)(110)

x^2 = 1100

x = square root of 1100

x = 33.166

To the nearest tenth, this is 33.2 feet

3 0
3 years ago
In the figure. d=4 yd, h=6 yd, and H=8 yd. What is the approximate volume of the figure? Use 3.14 to approximate
Nesterboy [21]
Check the picture below.

so is really just a cylinder with a cone on the side, notice, since the diameter of the base is 4, the radius is half that then.

so we just simply get the volume of the cylinder, and the cone, and sum them up

\bf \textit{volume of a cylinder}\\\\
V=\pi r^2 h\quad 
\begin{cases}
r=radius\\
h=height\\
-----\\
r=2\\
h=6
\end{cases}\implies V=\pi \cdot 2^2\cdot 6\\\\
-------------------------------\\\\
\textit{volume of a cone}\\\\
V=\cfrac{\pi r^2 h}{3}\quad 
\begin{cases}
r=radius\\
h=height\\
-----\\
r=2\\
h=2
\end{cases}\implies V=\cfrac{\pi \cdot 2^2\cdot 2}{3}\\\\
-------------------------------\\\\
\stackrel{cylinder's~volume}{24\pi }~~+~~\stackrel{cone's~volume}{\cfrac{8\pi }{3}}

5 0
3 years ago
Read 2 more answers
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