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Neporo4naja [7]

3 years ago

10

What is the Equation of the line of symmetry for the parabola represented by the equation y= -2(x-7)^2+11 Enter your answer as T

he correct equation, like this x=42

1 answer:

STatiana [176]3 years ago

3 0

Answer:

Step-by-step explanation:

Sing robbery and ur done

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Find the area of this figure. Please show work if you can!

Yuri [45]

Here is the answer if you can't read my writing than just ask. also if you have any questions about how I got something feel free to ask

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3 years ago

Which is 9.5 expressed as a fraction in simplist form<br>A.19/2<br>B.46/5<br>C. 86/9<br>D.64/7

WINSTONCH [101]

Answer:19/2

Step-by-step explanation:

19/2=9.5

Other are not in its very simplest form

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What is the distance , x , from the bottom of the sail to the stripe ? WORK SHOWNN!

Anon25 [30]

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3 years ago

An isosceles trapezoid is a trapezoid with congruent legs.<br>A. True<br>B. False

Shalnov [3]

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7 0

3 years ago

What is the area of a sector with a central angle of 108 degrees and a diameter of 21.2 cm?

Rasek [7]

Answer:

$105.84\ cm^2$

Step-by-step explanation:

step 1

Find the area of the circle

The area of the circle is

$A=\pi r^{2}$

we have

$r=21.2/2=10.6\ cm$ ----> the radius is half the diameter

substitute

$A=\pi (10.6)^{2}$

$A=112.36\pi\ cm^2$

step 2

Find the area of a sector

Remember that

The area of the circle subtends a central angle of 360 degrees

so

using proportion

Find out the area of a sector with a central angle of 108 degrees

$\frac{112.36\pi}{360^o}=\frac{x}{108^o}\\\\x=112.36\pi(108)/360\\\\x=33.708\pi\ cm^2$

assume

$\pi=3.14$

substitute

$33.708(3.14)=105.84\ cm^2$

7 0

3 years ago