3 years ago

Which of the binomials below is a factor of this expression 9x2 + 48xy + 64y2?

Mathematics

1 answer:

Soloha48 [4]3 years ago

5 0

Answer:

3x+8y

Step-by-step explanation:

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PLEASE I NEED HELP!!! A triangle in the coordinate plane has coordinates of (3,5), (1,-3), and (-3, 4). It is translated so that

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3 years ago

What is 5/4 minus 1/3?

Anna [14]

Answer:

11/12

Step-by-step explanation:

5/4 ---- 15/12

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11/12

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3 years ago

An arc measures 50°in a circle with a radius of 8 cm. What is the area of the sector to the nearest tenth of a square centimeter

marysya [2.9K]

Answer:

$27.9cm^2$

Step-by-step explanation:

The <u>total area</u> of the circle is given by:

$a=\pi r^2$

where $\pi$ is a constant $\pi=3.1416$

and $r$ is the radius: $r=8cm$

Thus the total area of this circle is:

$a=(3.1416)(8cm)^2\\a=(3.1416)(64cm^2)\\a=201.06cm^2$

We want only the area of the arc that measures 50°. For this we must remember that the arc of the total circle is 360°.

Thus, we want 50° out of the 360° degrees in the circle. For this, we divide the total area by 360 and then we multiply by 50:

$\frac{201.06cm^2}{360}(50)=0.5585cm^2(50)=27.9cm^2$

the area of the sector to the nearest tenth is $27.9cm^2$

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3 years ago