There must be 23 students in Ms.Gardner's class because 23 - 30%=6.9 so 7
students are in her class are in the play because if you look at
Mr.Logan's class he has 23 students to and there are aslo 7 students in
his class are in the play so Mr. Logan's class is basically is holding
Ms.Gardner's place
Answer:
(2,2)
Step-by-step explanation:
Given equations
x-3y=-4-------------------------------(1)
y=-3x+8.------------------------------(2)
Substitute 2 in 1. This means use the value of y in equation 1, to replace y
x-3(-3x+8)=-4------------------open brackets
x+9x-24=-4---------------------collect like terms
10x=-4+24
10x=20---------------------------divide by 10 both sides to get value of x
10x/10=20/10=2
x=2------------------------------use value of x in equation (2) to get value of y
y=-3x+8
y=-3(2)+8
y=-6+8=2
solutions
x=2, y=2
Answer: 3y - 8x + 2 = 0
Step-by-step explanation:
The formula is
y - y₁ y₂ - y₁
------- = ---------- where x₁ = -2, x₂ = 1, y₁ = -6, y₂ = 2,
x - x₁ x₂ - x₁
Now we substitute for the values in the above equation and then solve.
y - (-6) 2 - (-6) 2 + 6 8
---------- = ----------- = --------- = ----
x - (-2) 1 - (-2) 1 + 2 3
y + 6 8
-------- = ---- , we now cross multiply to get the required equation.
x + 2 3
3( y + 6 ) = 8( x + 2 )
3y + 18 = 8x + 16
3y - 8x + 18 - 16 = 0
3y - 8x + 2 = 0
Answer:
timaruko sir le padhako k artha jabo yeti ni na lekhni vayepaxi
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