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2 years ago

Please help me thanks for everything one who help me on the last question

Mathematics

2 answers:

olganol [36]2 years ago

7 0

Is 15/22
have a nice day

natita [175]2 years ago

3 0

Answer:

15/22

Step-by-step explanation:

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How many numbers from 0 to 199 have 3 factors Pls Help

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There are 6 numbers from 0 to 199 who have 3 factors. These numbers are:-

4( factors-1,2,4)
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25(1,5,25)
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169(1,13,169).

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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

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

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