$\dfrac{60^o}{360^o}=\dfrac{1}{6}\\\\A_O=\pi\cdot4^2=16\pi\\\\Area\ of\ the\ shaded\ sector:\\\\A=\dfrac{1}{6}\cdot16\pi=\dfrac{8}{3}\pi\approx\dfrac{8}{3}\cdot3.14\approx8.4\\\\Answer:\boxed{8.4}$

8 0

2 years ago

2. 10x - 11 - 4x = 43

Nezavi [6.7K]

Answer:

x=9

Step-by-step explanation:

10x - 11 -4x = 43

6x -11 =43

6x = 54

x=9

8 0

3 years ago

If you were to solve the following system by substitution, what would be the best variable to solve for and from what equation?

fgiga [73]

X in the first equation

because 3x + 6y = 9 can be reduced by dividing by 3, thus, giving u
x + 2y = 3.....x = -2y + 3...which u would sub in for x in the other equation

7 0

2 years ago

a car travels 30 1/5 miles in 2/5 of an a hour. what if the average speed, in miles, per hour of the car?

alekssr [168]

Answer:

Average speed = 30.2 miles / .4 hours =

75.5 mph

Step-by-step explanation:

6 0

2 years ago

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