plzz help
Answer:
b+3
Step-by-step explanation:
You carry 1/5 and multiply it to 5b and 15 to get b+3.
Answer:
The fractional change is % .
Step-by-step explanation:
Given as :
The original fraction =
Where numerator = x
Denominator = y
According to question
The numerator decreased by 50%
Let The new numerator = x' = x - 50% of x
I,e x' = x ( 1 - )
Or, x' = x ()
Or, x' = x
or, x' = .........A
Again
The new denominator = y' = y - 25% of y
i.e y' = y (1 - )
Or, y' = y ()
Or, y' = y ()
Or, y' = ............B
So, The new fraction = =
Or, =
So, The fractional change = × 100
Or, The fractional change = × 100
Hence, The fractional change is % . Answer
-3x + 3y = -9
-3x + y = 7
Answer:
x = 5
y = 2
Step-by-step explanation:
-3x + 3y = -9
3y = 3x - 9
Equation 1. y = x - 3
-3x + y = 7
Equation 2. y = 3x + 7
So, put number 1 equation to number 2's y :
x - 3 = 3x + 7
x -3x = 7 + 3
-2x = 10
2x = 10
x = 10/2
x = 5
And, put x, which is 5 , to the any equation to figure out the y.
This time, I'll use equation number 1.
y = 5 - 3
y = 2
Answer:
they are supplementary to each other
Step-by-step explanation: