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1 year ago

Reference attached image for the problem.Please show your work for finding the partial area.

Mathematics

1 answer:

-Dominant- [34]1 year ago

7 0

To find the area of a sector of a circle use the next formula:

$A=\frac{\theta}{360º}*\pi *r^2$

As the given circle has a outside angle 90º (it is not part of the sector of the circle) subtract the 90º from 360º (total angle of a circle) to find the angle of the sector:

$\theta=360º-90º=270º$

Find the area of the sector with angle 270º:

$\begin{gathered} A=\frac{270º}{360º}*3.14*(11in)\placeholder{⬚}^2 \\ \\ A=0.75*3.14*121in^2 \\ \\ A=284.955in^2 \end{gathered}$ Then, the approximate area of the given sector of a circle is 284.955 square inches

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ivanzaharov [21]

Answer:

(9³×m)3

Step-by-step explanation:

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3 years ago

NEED HELP ASAP!Noah and Lin are each trying to solve the equation x^2-6x+10=0. They know that the solutions to x^2=-1 are i and

suter [353]

Let's solve your equation step-by-step.

x2−6x+10=0

For this equation: a=1, b=-6, c=10

1x2+−6x+10=0

Step 1: Use quadratic formula with a=1, b=-6, c=10.

$x= -b$ ± $\sqrt{\frac{b^2 -4ac}{2a}$

x = −(−6)± $\sqrt{\frac{(-6)^2 -4(1)(10)}{2(1)}$

x= 6± $\frac{\sqrt{-4} } {2}$

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$(\sqrt{4}) = 2$

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3 years ago

Read 2 more answers

2. aubrey solves the equation x-4 = 4 - x and shows her work she found that x = 4 and x = 5 what mistake did she make what is th

Tatiana [17]

Answer: x doesn't equal four x would have to equal -5 because it cant before because it would be a zero and there would be no solution

Step-by-step explanation: brainliest plz

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3 years ago

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3 years ago

At the beginning of the summer Matt swim 12 laps. At the end of the summer he could swim 15 laps. What is the percent increase i

aleksandr82 [10.1K]

Percent change = (new number - old number)/(old number) * 100
A positive percent change is a percent increase.
A negative percent change is a percent decrease.

In this problem, we have:
The new number is 15 laps.
The old number is 12 laps.

percent change = (15 - 12)/(12) * 100

percent change = 3/12 * 100

percent change = 25

Since the percent change is positive, +25, it is a percent increase.

Answer: The percent increase is 25%

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3 years ago