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2 years ago

8

What is the value of the sum -7/9 +2/3

2 answers:

photoshop1234 [79]2 years ago

7 0

-0.1111 at least that's what I think it might be. I'm not too sure.

love history [14]2 years ago

5 0

It would be; -7/9 + 2/3
= -7+6 / 9
= -1/9

In short, Your Final Answer is -1/9

Hope this helps!

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Answer: D

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Step-by-step explanation:

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3 years ago

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What is { 1 + 7 - 6 + 99 }

Igoryamba

1 + 7 - 6 + 99 = 101

Step-by-step explanation:

7 + 1 = 8

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What is the area of a sector with a central angle of 8 π/11 radians and a radius of 7.2 ft? use 3.14 for π and round your final

coldgirl [10]

Answer:

$59.19 ft^2$

Step-by-step explanation:

step 1

Find the area of the circle

The area of the circle is equal to

$A=\pi r^{2}$

we have

$r=7.2\ ft$

$\pi =3.14$

substitute

$A=(3.14)(7.2)^{2}$

$A=162.78\ ft^2$

step 2

we know that

The area of a circle subtends a central angle of 2π radians

so

using proportion

Find out the area of a sector with a central angle of 8 π/11 radians

$\frac{162.78}{2\pi }\frac{ft^2}{rad} =\frac{x}{(8\pi/11)}\frac{ft^2}{rad} \\\\x=162.78(8/11)/2\\\\x=59.19\ ft^2$

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