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UkoKoshka [18]
3 years ago
6

Y^3-8y^2+19y=12Solve​

Mathematics
1 answer:
Sliva [168]3 years ago
3 0

Answer:

Step-by-step explanation:

steps are below

step 1

y^3-8y^2+19y=12  equation

step 2

y^3-8y2+19y(-12)=12(-12)  minus 12 from both sides

y^3-8y^2+19y-12=0

step 3

(y-1)(y-3)(y-4)=0  add brackets

step 4

(y-1)(y-3)(y-4)=0  factor

step 5

y-1=0 or y−3=0 or y-4=0  set them equal

Answer:

y=1 or y=3 or y=4

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Divide 315ml in the ratio 2:7
Natalka [10]
315 divide by 9= 36
2*36=72
7*36= 252
72:252
4 0
2 years ago
what is the equation of the line in point slope form that goes through (-2,-1) and is perpendicular to y=5x+3?
stich3 [128]
Point slope form is y-y1=m(x-x1)

Since we have to write the equation of a perpendicular line we will have to use the slope that is opposite and reciprocal.

y - (-1) = - \frac{1}{5} (x - (-2))
y + 1 = - \frac{1}{5} (x + 2)

Hope this helps :)
8 0
3 years ago
Identify the following equation as that of a line, a circle, an ellipse, a parabola, or a hyperbola 3y 2 - x = 0
Olegator [25]

Answer:

It's a parabola

Step-by-step explanation:

If you write the equation as  

x  =3y2

, you can see that you are in the form  

f (y)=3y2

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8 0
2 years ago
What is the slope of the line of (18, 28 ) (6,8)?
Finger [1]

Answer:

5/3

Step-by-step explanation:

to find the slope, we have to use the formula y2-y1 over x2-x1. Now, plug in our values; 8-28 over 6-18. Our answer becomes -20 over -12 this simplifies to 5 over 3, and there's your answer.

4 0
2 years ago
Given: m∠V=103°, m∠VRT=71°, RS ∥ VU Find: m∠TRS, m∠U
lawyer [7]

Answer:

m∠U = 103° and m∠TRS = 6°

Step-by-step explanation:

In the given circle O,

Since, RS║VU, and VR is a transverse,

Therefor, m∠V + m∠R = 180° [Consecutive interior angles]

m∠R + 103° = 180° [m∠R = 103° given]

m∠R = 180° - 103°

m∠R = 77°

Since m∠R = m∠VRT + m∠TRS

77° = 71° + m∠TRS

m∠TRS = 77° - 71° = 6°

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Therefore, m∠U + m∠R = 180°

m∠U + 77° = 180°

m∠U = 180° - 77° = 103°

5 0
3 years ago
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