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lina2011 [118]
3 years ago
12

Help!! pls i mark brainly answer

Mathematics
1 answer:
malfutka [58]3 years ago
7 0

Answer:

On the left... True

On the right... False

Step-by-step explanation:

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Plsss hElpp!!!!! TY!!
kari74 [83]

Given:

A circle with diameter 9 cm.

To find:

The area of the circle.

Solution:

The area of a circle is:

A=\pi r^2                   ...(i)

Where r is the radius.

We know that, the diameter of a circle is twice than its radius.

The diameter of the given circle is 9 cm.

r=\dfrac{9}{2}

r=4.5

Substituting r=4.5, \pi =3.14 in (i), we get

A=(3.14)(4.5)^2

A=(3.14)(20.25)

A=63.585

A\approx 63.6

Therefore, the area of the given circle is 63.6.

4 0
3 years ago
Solve -5(8 – 0.5x) = -2(3 – 0.4x) HELP ASAP
svetlana [45]

Answer:

20

Step-by-step explanation:

if you want a explanation ask for it :)

6 0
3 years ago
Find the area of a circle with a diameter of 16.
never [62]
The area of the circle should be 201.06
4 0
3 years ago
I will give brainliest<br> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
postnew [5]

Answer:

I've labled all in red, hope this helps.

8 0
2 years ago
The exact volume is what?
Galina-37 [17]

Answer:

7680πyd³

Step-by-step explanation:

The formula to calculate the volume of the cylinder is πr² h

Here radius (r) = 16 yd

height (h) = 30 yd

Now

the volume is

= πr²h

= 16² * 30 * π

= 7680 π yd³

Hope it will help :)❤

7 0
3 years ago
Read 2 more answers
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