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2 years ago

How many centimeters are in 3.2 inches? [1 inch = 2.5 cm]

Mathematics

1 answer:

frez [133]2 years ago

7 0

2.54 cm = 1 inch

3.2 inches * 2.54 cm / inch =8.128 centimeters

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A circle has a sector with area \dfrac{64}{5}\pi 5 64 πstart fraction, 64, divided by, 5, end fraction, pi and central angle o

Marina86 [1]

Answer:

Area of circle is $\dfrac{1024\:\pi}{25}$

Step-by-step explanation:

Since angle $\theta$ is given in radians, so using formula for area of sector in radians is given as,

$Area\:of\:sector=\dfrac{1}{2}\:r^{2}\:\theta$

Given area of sector and angle. Therefore substituting the values in above formula,

$\dfrac{64\pi}{5}=\dfrac{1}{2}\:r^{2}\:\left (\dfrac{8\pi}{5}\right )$

Cancelling out the common term,

$16=\dfrac{1}{2}\:r^{2}$

Multiplying with 2 on both sides,

$16=r^{2}$

Therefore value of $r^{2}$ is $16$

Formula for area of circle is,

$Area\:of\:circle=\pi\:r^{2}$

Substituting the value,

$Area\:of\:circle=\pi\times16$

$Area\:of\:circle=16\pi$

Therefore area of circle is $16\pi$

8 0

2 years ago

A parallel the parabola has a minimum value of 0, a Y- -intercept of 4 and axis of symmetry at X =-2 . select the graph that mat

wel

I think the anwser is D

8 0

2 years ago

Read 2 more answers

The graph shows the rate at which boxes are filled at a factory.

goblinko [34]

Answer:

50 60

Step-by-step explanation:

because if u add then multiply ok multiply 60 and 50 then,you add it you get ur answer

3 0

2 years ago

Round your answer to the nearest hundredth . B+21 3/8=4/7

NemiM [27]

Answer:

Step-by-step explanation:

B= -20+45/56

B=-20.80

3 0

3 years ago

If 3(x - 4) = x + 4, then x =8

Greeley [361]

Answer:

Valid

Step-by-step explanation:

3(x-4)=x+4 Given

3x-12=x+4 Distribute

2x=16 Subtract x from both sides and add 12 to both sides

x=8 Divide each side by 2.

6 0

2 years ago