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vivado [14]
3 years ago
5

PLEASE HELP ASAP MARK AS BRAINLIEST

Mathematics
1 answer:
MatroZZZ [7]3 years ago
4 0
Sence it is growing you are ganna want to start at 0 from where it begins as a sapling and then go right because it is adding on to how tall it is
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Help Fast!!!!!!
elixir [45]

The formula for the area of a circle is A = πr^2

Since we know the length of the square is 7cm and the circle fills the full length, 7cm is the diameter.

To get the radius you divide the diameter by 2.

7/2 = 3.5

So, your radius is 3.5.

Now your formula looks like this: A = π(3.5)^2

Next you would square 3.5 because (3.5)^2 means to multiply 3.5 by 3.5

3.5^2 = 12.25

Now, you just multiply 12.25 by the approximate version of pi, which is 3.14.

12.25*3.14 = 38.465

Now, that you have the area of the circle, you subtract it from the area of the square.

If you already haven't figured out the area of the square it is 49 cm.

This is because the formula for the area of a square is A = bh or A = lw

Since the length (l) or base (b) is 7, we know that the other sides are 7 because squares have equal sides.

So now we subtract 38.465 from 49 and we get 10.535 which rounds to 10.54

So, your final answer is D. 10.54 cm^2

Hope this helps!

3 0
3 years ago
What is the area of a circle with a diameter of 24 meters (use 3.14 for Pi)?
Zarrin [17]

The area of a circle is represented by the equation:


A=\pi r^{2}


We know that the diameter is two times the radius: d=2r


So if we know that the diameter of the circle is 24m, we can divide this by two in order to get the radius:


24m=2r -->r=12m


So then we can plug this radius in to the equation for the area of a circle:


A=\pi (12)^{2}


A=144\pi


We are told to use 3.14 as pi, and not pi itself, so let's plug in 3.14 for pi:


A=3.14(144)


A=452.16m^{2}


Now we know that the area of this circle is 452.16 square meters.

5 0
3 years ago
Pt 1
ycow [4]

Answer:

1-nonlinear

2-linear

3-linear

4-6.2

5-C

Step-by-step explanation:

7 0
3 years ago
Consider the equation 3x2 - 2x - 1 = 0. the sum of the roots of this equation is
Evgen [1.6K]
Two solutions were found :
<span><span> x = -1/3 = -0.333
</span><span> x = 1

</span></span>
7 0
4 years ago
A−15=4a−3a solve for a
Vlada [557]

Answer: A= -4

Step-by-step explanation:

6 0
3 years ago
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