3 years ago

What is the radius and diameter of the following circle

Mathematics

1 answer:

son4ous [18]3 years ago

7 0

Radius is 11cm
diameter is 22cm

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arlik [135]

Answer:

$\frac{\sqrt{17} }{7}$

Step-by-step explanation:

Using the Pythagorean identity

sin²x + cos²x = 1, then

sinx = $\sqrt{1-cos^2x}$

Note that ( $\frac{4\sqrt{2} }{7}$ )² = $\frac{32}{49}$

sinΘ = $\sqrt{1-(32/49)}$

= $\sqrt{\frac{17}{49} }$ = $\frac{\sqrt{17} }{7}$

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3 years ago

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Answer:

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Step-by-step explanation:

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Please help me with the equation 6+z/10= -2

oksian1 [2.3K]

Answer:

z = -26

Step-by-step explanation:

6+z/10= -2

6 + z = -2 (10)

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Allie weighs 8 pounds less than her twin sister Lorrie. Allie weighs 124 pounds. How much does Lorrie weigh?

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Find the volume of the composite solid below. If needed,round to the nearest hundredth. Use 3.14

ZanzabumX [31]

Answer:

429.42 cm

Step-by-step explanation:

Volume of a rectangle prism:

V = whl

V = (5)(12)(7)

V = 420

Volume of a cylinder:

V = πr²h

V = (3.14)(1²)(3)

V = (3.14)(1)(3)

V = 9.42

Combined:

420 + 9.42

429.42

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3 years ago