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quester [9]
3 years ago
12

Find 4,5,6 Answer the rest for a thank you, and a brainliest.

Mathematics
2 answers:
zmey [24]3 years ago
4 0
Area of circle=\pi  r^{2}

Q4. Area of circle=\pi *12^{2}
                            =3.14*12^{2}
                            =452.16in^{2}   

Q5. Area of circle=\pi * ( \frac{6}{2} )^{2}
                            =3.14*3^{2}
                            =28.26in^{2}

Q6. Area of circle=\pi * (3 \frac{1}{2} )^{2}
                            =\frac{22}{7} * ( \frac{7}{2} )^{2}
                            =38.5in^{2}
Kay [80]3 years ago
4 0
4.  = 3.14 * 12^2 =  452.16
5. = 3.14 * 3^2 =  28.26
3. = 3.14 * 1.75^2 = 9.62
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Solve x 5x-12=63 what is the answer to x
Mama L [17]

Answer:x= 5

Step-by-step explanation:

5x-12=63

>5x=63+12=75

>x=75÷5

>x=15

5 0
3 years ago
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I WILL GIVE U BRANLIEST What is the coefficient of x^2 in the simplified product of
Vikki [24]

Answer:

-14

Step-by-step explanation:

Okay first we must simplify the expression.

so this:(3x^2 + x-2)(x - 5)

becomes this:3x^3-14x^2-7x+10

then we look at the coefficient of x^2 and we see that it's -14

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3 years ago
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larry ran 220 meters farther that leigh ran. leigh ran 2.3 kilometers. how many kilometers did larry run?
Gala2k [10]
Larry ran 2.52 killometers. Since a meter is 0.001 killometers, you have to do 0.001 x 220 which is 0.22 then do 2.3 + 0.22 and get 2.52.
6 0
3 years ago
(((QUICK QUESTION-WILL GIVE BRAINLYEST)))
svetoff [14.1K]

Given:

Point (7,12) is rotated 1260° counterclockwise about the origin.

To find:

The  x-coordinate of the point after this rotation.

Solution:

If a point is rotated 360 degrees then its coordinates remains unchanged.

If a point is rotated 180 counterclockwise about the origin degrees, then

(x,y)\to (-x,-y)

We know that,

1260^\circ=1080^\circ+180^\circ

1260^\circ=3\times 360^\circ+180^\circ

After 3\times 360^\circ rotation the coordinates of points remains same, i.e., (7,12). So, after that (7,12) is rotated 180° counterclockwise about the origin.

(7,12)\to (-7,-12)

The point (7,12) becomes (-7,-12) after rotation of  1260° counterclockwise about the origin.

Therefore, the x-coordinate of the required point is -7.

3 0
3 years ago
What is the diameter of the following circle?<br>​
DochEvi [55]

Answer:

12

Step-by-step explanation:

diameter is 2r

r=6

6*2=12

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3 years ago
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