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FromTheMoon [43]
3 years ago
9

The circle will be enlarged by a scale factor of 4

Mathematics
2 answers:
Ann [662]3 years ago
6 0

Answer:

144π

Step-by-step explanation:

3in*4=12

A=πr^2

A = 144π

Sauron [17]3 years ago
6 0

it is the fourth option on edg

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I don't understand how it gets the result <img src="https://tex.z-dn.net/?f=28b_%7B2%7D" id="TexFormula1" title="28b_{2}" alt="2
Maksim231197 [3]

Answer + Step-by-step explanation:

<u><em>your question is about equation 4</em></u> :

b_{1}=14-b_{2}

Then

\left( b_{1}\right)^{2}  =\left( 14-b_{2}\right)^{2}   \  \text{(this is a special product )}

Then

\left( b_{1}\right)^{2}  =14^{2}-2\times 14 \times b_{2}+ (b_2)^2

Then

\left( b_{1}\right)^{2}  =196-28 b_{2}+ (b_2)^2

7 0
2 years ago
Write an equation in slope-intercept form for the line with slope and -intercept .
Mazyrski [523]

Answer:

y = \frac{2}{5} x - 9

Step-by-step explanation:

6 0
3 years ago
If a circle's circunferencia is 15 inches, what is its radius? Leave the symbol π un tour answer
AlladinOne [14]
The answer is 7.5 because you divide the circumference in half. Half of 15 is 7.5.
 
8 0
3 years ago
Read 2 more answers
PLEASE HELP<br> FIND THE VOLUME OF EACH FIGURE <br> ROUND TO THE NEAREST TENTH! <br><br> Thank you
swat32

Answer:

Sphere=2144.6

Cylinder=1693.3

Cone=2093.3

Step-by-step explanation:

6 0
3 years ago
which of the following equations correctly represents a circle centered at the origin with a radius of 5
yuradex [85]

Answer:

x² + y² = 25

Step-by-step explanation:

The standard form of a circle is (x - h)² + (y - k)² = r² where (h, k) is the center point and r is the radius. In this case, the center is the origin which has coordinates of (0, 0) so h = 0 and k = 0. We know that the radius is 5 so r = 5. Therefore, after plugging in the values of h, k, and r, we get that the answer is x² + y² = 25.

6 0
3 years ago
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