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Gelneren [198K]
3 years ago
6

Two circles have the same radius. Complete the description for whether the combined area of the two circles is the same as the a

rea of a circle with twice the radius.
Mathematics
2 answers:
Anna007 [38]3 years ago
7 0

Answer:

it would have twice the area of one circle because the radius would double therefore the inside/area would double

Step-by-step explanation:

Genrish500 [490]3 years ago
7 0

Answer:

No

Step-by-step explanation:

no!

Two circles of radius r

= 2(π)(r^2)

= 2π r^2

one circle of radius 2r

= π(2r)^2

= 4π r^2

use an example, eg. r = 3

two circles with r = 3

= 2π(3^2) = 18π

one circle with radius 6

= π(6^2)

= 36π

notice the singe large circle is twice the area of the two smaller ones

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Please help!!!!!!!!!!!
boyakko [2]

Answer:

  (7√6)/2

Step-by-step explanation:

The side ratios in these special triangles are ...

  30°-60°-90° triangle: 1 : √3 : 2

  45°-45°-90° triangle: 1 : 1 : √2

This tells you the length of the horizontal line is 7√3, and the value of x is ...

  (7√3)/√2 = (7√6)/2

_____

<em>Additional comment</em>

Call the length of the horizontal line "y". Then the given ratios tell you ...

  7 : y = 1 : √3   ⇒   y/7 = √3/1   ⇒   y = 7√3

and

  x : y = 1 : √2   ⇒   x/y = 1/√2   ⇒   x = y/√2

When we rationalize the denominator, we get ...

  x = (y√2)/2 = ((7√3)√2)/2 = (7√6)/2

4 0
2 years ago
If I got 32 hits out of 112 at bats what is my batting average?
ddd [48]
29% all you have to do is divide
32/112
3 0
3 years ago
Adding and subtracting functions<br>g(t) = −3t^3 − 4t f (t) = 4t − 4 Find g(t) + f (t)​
ElenaW [278]
I believe the answer is -27t - 4
7 0
2 years ago
Describe the graph of f at the given point relative to the existence of a local maximum or minimum. Assume that f(x) is continuo
vlada-n [284]
Because the second derivative of the function at the point is negative, the graph must be concave down at this point. Because the first derivative indicates that the function is also likely to be a maximum or minimum, the point must be a maximum.
8 0
3 years ago
Use the elimination method by subtraction to solve for x and then y.
diamong [38]

Answer:

Step-by-step explanation:

Both equations have -7y. You can eliminate them by subtracting one equation from the other:

Multiply equation 1 by -1, then add it to equation 2:

-2x + 7y = 74

3x - 7y = -83

———————

x = -9

2x - 7y = -74

2(-9) - 7y = -74

-7y = -56

Y = 8

(x,y) = (-9, 8)

7 0
3 years ago
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