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Mama L [17]
3 years ago
13

Can the sides of a triangle have lengths 1, 1, and 4?

Mathematics
1 answer:
qaws [65]3 years ago
8 0
No, because the hypotenuse needs to be three. It would be true if the lengths were 2, 2, 4
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Car is moving on a circle on a plane. At time t (seconds), its x-coordinate is given by x(t) = 10 sin(200t + 3) + 30 while its y
Aleks [24]

Answer:

we have centre of circle as (30,40) and radius = 1

Step-by-step explanation:

Given that a car is moving on a circle on a plane.

At time t (seconds),

x(t) = 10 sin(200t + 3) + 30

and

y(t) = 10 cos(200t + 3) + 40

x-30 = 10 sin(200t + 3) \\y-40 = 10 cos(200t + 3) + 40

when we square and add both the equations we get

(x-30)^2 + (y-40)^2 = 1

(since sin square + cos square = 1 always)

i.e. we have centre of circle as (30,40) and radius = 1

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3 years ago
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3 years ago
15=1/2+3/2x+10
enot [183]

Answer:

x = 1/3

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True.

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2 years ago
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