It is helpful to find a unit rate first. If you find a unit rate first, then it will be easier to compare
The answer would be x=118.
Answer:
x²^2 + 4x + 4 - 9y²=(x+2-3y) (x+2-3y)
Step-by-step explanation:
hello :
x²+4x+4 = x²+2(2x)+2²=(x+2)² use identity : (a+b)² = a²+2ab+b²
( x² + 4x + 4) - 9y² = (x+2)²-(3y)² = (x+2-3y) (x+2-3y) use identity :
a²-b² =(a-b)(a+b)
Answer:
x = 6
Step-by-step explanation:
Substitute y = - 4 into the equation and solve for x
6x + 7(- 4) = 4x + 4(- 4) ← evaluate
6x - 28 = 4x - 16 ( subtract 4x from both sides )
2x - 28 = - 16 ( add 28 to both sides )
2x = 12 ( divide both sides by 2 )
x = 6
Answer:
The initial temperature of the object was 37.6
Step-by-step explanation:
we have

where
f(t) represent the temperature of the object in degree Celsius
t is the time in minutes
Find the value of the constant C
we have the ordered pair (4,35)
substitute in the equation and solve for C

Find the initial value of the object
we know that
The initial temperature is the value of f(t) when the value of t is equal to zero
so
For t=0

therefore
The initial temperature of the object was 37.6 (I not include units)