3 years ago

Find the area of a sector of a circle whose diameter is 21 cm and whose central angle is 10 degrees

Mathematics

1 answer:

Pavlova-9 [17]3 years ago

8 0

Answer:

Area 38.484510 dm^2 (square decimeters)

Step-by-step explanation:

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Rewrite the equation of a circle given below in standard form x² + 2x + y² + 22y - 10 = 0

Verdich [7]

$x^2+2x+y^2+22y-10=0$ $\begin{gathered} x^2+2x+y^2+22y-10=0 \\ (x^2+2x)+(y^2+22y)=10 \\ (x^2+2x+2)+(y^2+22y+121)=10+1+121 \\ (x^2+2x+1)+(y^2+22y+121)=132 \\ (x+1)^2+(y+11)^2=132 \end{gathered}$

Answer:

$(x+1)^2+(y+11)^2=132$

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2 years ago

Water is filling a pool at a rate of 5 gallons per minutes. Write equivalent ratios for the first 5 minutes of the pool filing u

OverLord2011 [107]

Time

1 2 3 4 5

___________________________________________

5 10 15 20 25

Amount of water

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3 years ago

Use the table below of the function f(x) = x4 − 2x3 to answer this question:

Darya [45]

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3 years ago

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The casino game, roulette, allows the gambler to bet on the probability of a ball, which spins in the roulette wheel, landing on

vodomira [7]

The probability of winning when betting on two lines that touch each other on the table is 6/38

<h3>How to determine the probability?</h3>

The sample size is given as:

n = 38

The numbers on the range 1-2-3-4-5-6 is:

Range = 6

So, the probability is calculated as:

P = Range/n

This gives

P = 6/38

Hence, the probability of winning is 6/38