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3 years ago

Please help30 POINTS

Mathematics

1 answer:

vampirchik [111]3 years ago

8 0

Answer:

The correct answer is 5.

Step-by-step explanation:

It could meet at the vertexs so the squares that can be coloured should be diagonally connected. The number of such possibilities is 5

(Count the number of diagonally connected squares)

Hope it helps!

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a cone with a radius of 3” has a total area of 24pie square inches. Find the volume of the cone. 12pie, 24 pie or 15 pie

Ratling [72]

Answer:

$12\pi (inches)^{2}$

Step-by-step explanation:

Given:

radius of cone = 3 inch

Total area of cone = $24\pi (inch)^{2}$

Find the volume of the cone?

We know the area of cone = $\pi r(r+s)$ -------(1)

Where r = radius

Ans s = side of the cone

Put the area value in equation 1

$24\pi=\pi r(r+s)$ -------(1)

$\frac{24\pi }{\pi r} =r+s$

$\frac{24}{ r}-r =s$

Put r value in above equation.

$s =\frac{24}{ 3}-3$

$s=8-3$

$s=5$

The side s = 5 inches

We know the side of the cone formula

$s^{2}=r^{2}+ h^{2}$

$h^{2}=s^{2}- r^{2}$

Put r and s value in above equation.

$h^{2}=5^{2}- 3^{2}$

$r^{2} = 25-9$

$r^{2} = 16$

$r = 4$

The volume of cone is

$V = \frac{1}{3} \pi r^{2} h$

Put r and h value in above equation.

$V = \frac{1}{3} \pi (3)^{2}\times 4$

$V = 12\pi (inches)^{2}$

The Volume of the cone is $12\pi (inches)^{2}$

7 0

3 years ago

0.3y + y/z= y=10 and z=5

Xelga [282]

Answer:

Step-by-step explanation:

write the equation

0.3y + y/z=

Then you fill in what you know

0.3(10) + 10/5=

then we multiply/divide

30 + 10/5

then we continue to multiply/divide untill there is nothing to multiply/divide anymore

30+2

then we add/subtract

Our answer is 32

3 0

3 years ago

No one was born ugly<br> we just live in a judgmental world

bogdanovich [222]

Answer:

Ikr >:(

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Need help with the last three asap

Sunny_sXe [5.5K]

13) Angle 1= 54 Angle 2=36
14) Angle 1=122 Angle 2=58
15) Angle 1=51 Angle 2=39
Attached is the work
Hope this helps!

7 0

3 years ago

Someone help me please

Whitepunk [10]

30). 247000 x 10^0

31). 0.00065

6 0

3 years ago

Please help30 POINTS​

Please help30 POINTS