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3 years ago

Which angle is congruent to B

Mathematics

1 answer:

Oksi-84 [34.3K]3 years ago

3 0

I think it’s angle D because it’s an alternate interior angle with angle B

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A farmer wants to know how many of his cows have no spots. He has 200 cows total. He takes a random sample of 40 cows. Of these,

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Answer:

The farmer can predict that 55 cows in the entire population have no spots.

Step-by-step explanation:

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3 years ago

Fh+2g=t. solve for g

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Step-by-step explanation:

2g = t -fh

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3 years ago

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3 years ago

A circle has its center at the origin, and (5, -12) is a point on the circle. How long is the radius of the circle?

Amanda [17]

Option C

The radius of circle is 13 units

Solution:

The equation of circle is given by formula:

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

Where, the center being at the point (h, k) and the radius being "r"

Given that circle has its center at the origin

(h, k) = (0, 0)

(5, -12) is a point on the circle

(x, y) = (5, 12)

Substituting in equation we get,

$(5-0)^2+(12-0)^2 = r^2\\\\5^2+12^2 = r^2\\\\r^2 = 5^2+12^2\\\\r^2 = 25 + 144\\\\r^2 = 169\\\\Taking\ square\ root\ on\ both\ sides\\\\r = \sqrt{169}\\\\r = \pm 13\\\\Since\ radius\ cannot\ be\ negative\ ignore\ r = -13\\\\Thus\ the\ solution\ is:\\\\ \r = 13$

Thus radius of circle is 13 units

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4 years ago

Lesley raise $25 for the food bank last year and she raised 8 times as much money this year how much money did she raise this ye

dimaraw [331]

Last year she earned: $25

This year: 8 times last year

8 x 25 = 200

She raised $200 this year.

7 0

3 years ago

Read 2 more answers