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Afina-wow [57]
3 years ago
5

A word problem that can be solved by finding the number that have 4 as a factor

Mathematics
1 answer:
drek231 [11]3 years ago
3 0

Answer: 1,2,4

Step-by-step explanation:

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Finding area of shaded sectors.
tekilochka [14]

Answer:

69.81 sq. m. (rounded to 2 decimal places)

Step-by-step explanation:

The sector of a circle is "part" or "portion" of a circle. The formula for the area of a sector is:

A=\frac{\theta}{360}*\pi r^2

Where

\theta  is the central angle

r is the radius

Given the figure, the arc is given as 80 degrees, but not the central angle of the shaded sector. But from geometry we know that the central angle and the intercepted arc have the same measure. So we can say:

\theta = 80

Also, the radius of the circle shown is 10 meters, so

r = 10

Now, we substitute in formula and find our answer:

A=\frac{\theta}{360}*\pi r^2\\A=\frac{80}{360}*\pi (10)^2\\A=\frac{2}{9}*100\pi\\A=\frac{200\pi}{9}\\A=69.81

Thus,

The area of the shaded sector is 69.81 sq. meters.

5 0
3 years ago
Please help, I will mark Brainliest.
Goshia [24]
It’s rational because the square root of 0.49 is 0.7
3 0
3 years ago
PLEASE PLEASE PLEASE<br> HELP ME!!!!!
Bond [772]

Answer:

3 adjacent

4. complementary

4 0
3 years ago
Pls help. I need it asap
Amiraneli [1.4K]

Answer:

18

Step-by-step explanation:

since the equation of AC is y=x-4 then the length of CB and AB must be the same. therefor its (6*6)/2

3 0
2 years ago
What are the coordinates of B(-4, -5) under a 180 degree rotation about the origin?
polet [3.4K]

Answer:

(4, 5 )

Step-by-step explanation:

Under a rotation about the origin of 180°

a point (x, y ) → (- x, - y ), thus

B(- 4, - 5 ) → (4, 5 )

5 0
3 years ago
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