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3 years ago

Assume that each circle shown below represents one unit. Express the shaded amount as a single fraction and as a mixed number.

Mathematics

1 answer:

poizon [28]3 years ago

4 0

Answer:

one fraction 17/5

mixed number: 3 2/5

Step-by-step explanation:

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6. Two points in the plane, ????(19,4) and ????(19,−6), represent the endpoints of the diameter of a circle.

dusya [7]

Answer:

Radius = 5

center is (19,-1)

$(x-19)^2(y+1)^2= 25$

Step-by-step explanation:

Two points in the plane, (19,4) and (19,−6), represent the endpoints of the diameter of a circle.

Distance between the points is calculated using formula

$d=\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}$

$=\sqrt{\left(19-19\right)^2+\left(-6-4\right)^2}=10$

diameter = 10

radius = diameter divide by 2

Radius = 5

midpoint is the center of the circle

$\left(\frac{x_2+x_1}{2},\:\:\frac{y_2+y_1}{2}\right)$

$\left(\frac{19+19}{2},\:\frac{-6+4}{2}\right)$

(19,-1)

Equation of the circle

$(x-h)^2(y-k)^2= r^2$

h,k is the center and r is the radius

h=19 and k=-1 , r=5

$(x-19)^2(y+1)^2= 25$

8 0

3 years ago

Sets Let A = {1, 2, 3, 8} and {x | x is an even whole number less than 9}, find An B

spin [16.1K]

A={1,2,3,8}

B={x|x is an even whole no less than 9}

B={2,4,6,8}

Now

$\\ \sf\longmapsto A\cap B=\{2,8\}$

6 0

2 years ago

Read 2 more answers

The area of a triangle with base 10in and height 4 in is 20in^2 40in^2 15in^2 60in^2

natta225 [31]

1/2(BH)

=1/2(10*4)

=1/2(40)

=20

5 0

3 years ago

I NEED HELP FAST!

Degger [83]

Answer:

Step-by-step explanation:

4.5×5.5=24.75

so 24.75 is the area of the room but you have to buy whole tiles so you would need to but 25 tiles

8 0

3 years ago

Evaluate the function. f(x) = –x^2+ 3x + 13 Find f(-10)

oksian1 [2.3K]

Answer:

-117

Step-by-step explanation:

Plug -10 in every time you see "x". Then, I used a calculator to evaluate the function (find the answer). Then, I got -117.

Hope this helped :)

8 0

3 years ago