Mathematics, 27.09.2019 07:30, aatharris21

Calculate the area of a circle with a radius of 2 cm and a circle with a radius of 4 cm. leave your answers in terms of pi. when the radius doubles, does the area of the circle double?
a. 4π cm2; 8π cm2; no
b. 4π cm2; 16π cm2; no
c. 4π cm2; 16π cm2; yes
d. 4π cm2; 8π cm2; yes

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Mathematics, 18.07.2019 07:30, neariah24

1)circle 1 is centered at (−4, 5)(−4, 5) and has a radius of 2 centimeters. circle 2 is centered at (2, 1)(2, 1) and has a radius of 6 centimeters. what transformations can be applied to circle 1 to prove that the circles are similar? enter your answers in the boxes. the circles are similar because you can translate circle 1 using the transformation rule (, ) and then dilate it using a scale factor of . 2)the sector of a circle with a 12-inch radius has a central angle measure of 60°. what is the exact area of the sector in terms of π ?

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Mathematics, 18.09.2019 04:30, nails4life324

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Mathematics, 24.09.2019 00:40, seimdakota

According to these three facts, which statements are true? circle w has center (−3, 0) and radius 8. circle v is a translation of circle w, 2 units down. circle v is a dilation of circle w with a scale factor of 2. select one or more answers the center of circle v is (−5, 0). circle v and circle w are similar. the radius of circle v is 16. circle v and circle w have the same center. 2.suppose x is any positive number. circle 1: center (0, 0) and radius 2x circle 2: center (0, 0) and radius 10x why is circle 1 similar to circle 2? circle 2 is a dilation of circle 1 with a scale factor of 0.2. both circles have congruent diameters. circle 2 is a dilation of circle 1 with a scale factor of 5. circle 1 and circle 2 have equal areas.

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Physics, 02.10.2019 01:00, damientran

He function f ( r ) = π r 2 determines the area of a circle in cm2, a , in terms of the radius of the circle in cm, r . define a function g that determines the radius of a circle in cm, r , in terms of the area of the cirlce in cm2, a . g ( a ) = pir^2 π r 2 syntax error. check your variables - you might be using an incorrect one. use function notation to represent each of the following: the area (in cm2) of a circle whose radius is 2.62 cm? the radius (in cm) of a circle whose area is 1530 cm2? how much larger area a circle whose radius is 15.2 cm has than a circle whose radius is 15.1 cm? 9.52 9.52 syntax ok

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Calculate the area of a circle with a radius of 2 cm and a circle with a radius of 4 cm. leave your answers in terms of pi. when the radius doubles, does the area of the circle double? a. 4π cm2; 8π cm2; no b. 4π cm2; 16π cm2; no c. 4π cm2; 16π cm2; yes d. 4π cm2; 8π cm2; yes

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Calculate the area of a circle with a radius of 2 cm and a circle with a radius of 4 cm. leave your answers in terms of pi. when the radius doubles, does the area of the circle double?
a. 4π cm2; 8π cm2; no
b. 4π cm2; 16π cm2; no
c. 4π cm2; 16π cm2; yes
d. 4π cm2; 8π cm2; yes