Exactly how many planes contain points J, K, and N? 0 1 2 3

Mathematics

2 answers:

zheka24 [161]3 years ago

7 0

Answer:

Step-by-step explanation:

Only 1 plane can contain a set of 3 points.

Nutka1998 [239]3 years ago

3 0

Answer: 3

Step-by-step explanation:

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Please explain these math questions!

Nesterboy [21]

1. 1m=100 cm
1m^2= 10,000 cm^2

2. if 3 pencils are 1.65, then 1 pencil is 1.65/3=$ 0.55
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3.1 ha is 10,000 m^2, and 1 soccer filed is roughly 100m *110 m
so it makes sense that 1 ha is roughly 2 tennis courts
4.odd numbers between 20 and 30 are
21,23,25,27,29
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3 years ago

Is 3,4,5 a Pythagorean triple

son4ous [18]

Answer:

Yes because it fits the Pythagorean Theorem

Step-by-step explanation:

see: 5 ^2 = 25

and 3^2 + 4^2 = 9 + 16 = 25

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so it is

8 0

3 years ago

G find the domain for the particular solution to the differential equation dy dx equals the quotient of negative 1 times x and y

faust18 [17]

$\frac{dy}{dx} = \frac{-x}{y}$
by separating the variables
∴ y dy = -x dx
integrating both sides with respect to x
∴ ∫y dy = ∫-x dx
∴ $\frac{ y^{2} }{2} = - \frac{ x^{2} }{2} +c$
finding c using initial condition y(2) = 2.
∴ $\frac{ 2^{2} }{2} = - \frac{ 2^{2} }{2} +c$
∴ c = 4
∴ $\frac{ y^{2} }{2} = - \frac{ x^{2} }{2} +4$
multiplying all the equation by 2
∴ y² = -x² + 8
∴ x² + y² = 8
The resultant equation represents the equation of the circle
with center (0,0) and radius = √8 = 2√2
so, the domain of this function is [-2√2 , 2√2]
See the attached figure