2 years ago

What is the distance from Cto D? Pls help!! I will award Brainly!!

1 answer:

4 0

You can use the distance formula
Sqroot((x2-x1)^2 + (y2-y1)^2)
(2,-1) and (5,3), use given points
Sqroot((5-2)^2 + (3-(-1))^2)
Sqroot((3)^2 + (4^2)
Sqroot(9+16) = squareroot of 25

Squareroot of 25 = 5

Solution: D. 5 units

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I need help answering the question in the picture provided

adoni [48]

answer:

(a).

Equation of circle is x² + y² - 25 = 0

(b).

(-5, 0) » yes

(√7, 1) » no

(-3, √21) » no

(0, 7) » no

Step-by-step explanation:

(a).

If centred at origin, centre is (0, 0)

General equation of circle:

${ \boxed{ \bf{ {x}^{2} + {y}^{2} + 2gx + 2fy + c = 0}}}$

but g and f are 0:

${x}^{2} + {y}^{2} + c = 0 \\ but : \\ c = {g}^{2} + {f}^{2} - {r}^{2} \\ c = { - 25}$

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gladu [14]

I is the right one because it is a half and they both look the same

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velikii [3]

I hope this helps you. The answer is c

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2 years ago

Eva decorated cupcakes with pound of red jelly beans and pound of blue jelly beans. She says that she used pound of jelly beans

nikklg [1K]

Answer:

No, her statement is not reasonable. This is because, she refused to acknowledge the fact that she used a pound of Blue Jelly during the decoration of the cake.

Skipping this information makes is dangerous for others who might not be aware of the Blue Jelly and eat the cupcakes thereby causing them problems (Maybe, they are allergic to Blue Jelly)

Step-by-step explanation:

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3 years ago

goo to https://brainly.com/invite/f7a003https://brainly.com/invite/f7a003https://brainly.com/invite/f7a003https://brainly.com/in

SVETLANKA909090 [29]

I- this is probably a virus

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2 years ago

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