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Vlad1618 [11]
2 years ago
5

Find the equation of the starlight line

Mathematics
2 answers:
Lelu [443]2 years ago
7 0
We use the equation
y = mx + c

m is the gradient which in this case is 2/1 = 2 so we have:
y = 2x + c

c is the y-intercept which is where the line touches the y axis which in this case is 3

so the answer is:

y = 2x + 3
lys-0071 [83]2 years ago
6 0
Y = mx + c

m = 2/1
m = 2

y = 2x + 3
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Write the complex number in the form a + bi.<br> 3(cos 60° + i sin 60°)
hram777 [196]

Answer:

The complex number in the form of a + b i is 3/2 + i √3/2

Step-by-step explanation:

* Lets revise the complex number in Cartesian form and polar form

- The complex number in the Cartesian form is a + bi

-The complex number in the polar form is r(cosФ + i sinФ)

* Lets revise how we can find one from the other

- r² = a² + b²

- tanФ = b/a

* Now lets solve the problem

∵ z = 3(cos 60° + i sin 60°)

∴ r = 3 and Ф = 60°

∵ cos 60° = 1/2

∵ sin 60 = √3/2

- Substitute these values in z

∴ z = 3(1/2 + i √3/2) ⇒ open the bracket

∴ z = 3/2 + i √3/2

* The complex number in the form of a + b i is 3/2 + i √3/2

6 0
3 years ago
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Evaluate the expression, xz- y, if x=3,y=6, and z =7
avanturin [10]
3*7-6
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15 is the answer
4 0
3 years ago
1/3 is greater than what other fractions
Novosadov [1.4K]
As 1/3 = 2/6 = 3/9 = 4/12

and 2/6 is greater than 1/6
    3/9 is greater than 2/9
     etc..

So

1/3 is greater than 1/6 ; 2/9 ; ...
7 0
3 years ago
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Xelga [282]
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To find r (radius) divide the diameter by 2, giving you 2.5 cm.
Plug in the numbers now !
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V=(1/3)(3.14)(6.25)(9)
V=(1/3)(176.625)
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Therefore, the volume of the cone is about 59cm^3 :)
4 0
3 years ago
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PolarNik [594]

Answer:

A

Step-by-step explanation:

Because the arrow is going 2 in the right direction...so you have to have the 2 in the equation...

and the reason it equals 5 instead of a (-) number is because of the KCC rule

so basically the equation is 2+3

or if you don't want the long way just look at all of the equations...only one of the have a 2 in it so it is automatically the correct answer

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3 years ago
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