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lakkis [162]
4 years ago
14

What is the value of the y-coordinate of point A

Mathematics
1 answer:
kap26 [50]4 years ago
6 0

Answer:  -\dfrac{1}{2}

<u>Step-by-step explanation:</u>

The coordinate at -30° <em>(-30° = 330°)</em> = \bigg(\dfrac{\sqrt3}{2},-\dfrac{1}{2}\bigg)\\

the x-value is  \dfrac{\sqrt3}{2}

the y-value is  -\dfrac{1}{2}\\

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im sorry im not here to anwser but i love your pfp and i love the anime

5 0
3 years ago
5. y = 2x + 6<br> 2x - y=2
Crank

Step-by-step explanation:

y = 2x + 6

2x - y = 2

To solve this system of equations, let's first add the equations together:

(y) + (2x - y) = (2x + 6) + (2)

2x = 2x + 8

2x - 2x = 8

0 = 8

There are no values of x that will make this equation true, so the lines never intersect, and therefore there are no solutions to this system of equations.

5 0
4 years ago
Solve for m 0.6m +3=2m+0.2
DaniilM [7]
So in equations you want to do the same thing to both sides so that the equation will stay equal

when dealing with one unknown number (m) try to get them all on the same side

0.6m+3=2m+0.2
I usually like positive unknowns so
subtract 0.6m from both sides
3=1.4m+0.2
subtract 0.2 from both sides
2.8=1.4m
divide both sides by 1.4
2.8/1.4=2=x

if dividing by decimals move the decimal either round the decimals up or down then divide. or multiply them by the 10 to the same power then divide.

x=2
7 0
3 years ago
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how do you find the volume to the nearest cubic in of a cone whose radius is 12 in and hieght is 15 inches
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You have to know the formula for the volume of a cone.
In high school, there's no other way.

Volume of a cone = (1 / 3) π (radius)² (height)

Volume = (1 / 3) π (12 inches)² (15 inches)

Volume = 720 π = 2,261.95 cubic inches

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6 0
3 years ago
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HELP NEEDED!!!
cluponka [151]

Answer:

B

Step-by-step explanation:

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3 years ago
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