Answer:
Step-by-step explanation:
The first one is in standard form;
the second one is in point-slope form;
the third one is in slope-intercept form;
the last one is in standard form
These are all lines, so as you can see, there are 3 different formats for writing the equation of a line.
<span>2x + y - 10 = 0
x - y - 4 = 0
------------add
3x - 14 =0
3x = 14
x = 14/3
</span>x - y - 4 = 0
14/3 - y - 4 = 0
y = 14/3 - 4
y = 4 2/3 - 4
y = 2/3
answer
y = 2/3
hope it helps
Answer:
f( g(x)) = 18 *x*x + 6
g( f(x)) = 6xx + 18
Step-by-step explanation:
we want f (g(x)) and g( f(x))
f = 2xx + 6 g = 3x
f( g(x)) = 2 *(3x)*(3x) + 6 = 18 *x*x + 6
g( f(x)) = 3*(2 xx + 6 ) = 6xx + 18
Answer:
A = 144 cm²
Step-by-step explanation:
Let the side of the square be x. Using Pythagoras theorem for square,
The area of the square is given by :
A = side²
Put values in the formula.
A = 12²
A = 144 cm²
So, the area of the square is equal 144 cm².
The new mixture is acquired from the sum of the concentration divided by the total number of gallons. Or we could write it like this.
mix =
Input the numbers
mix =
simplify the dividend and divisor
mix =
mix =
mix =
mix = 35%
The new concentration is 35%