Answer:
w= -9/8
Step-by-step explanation:
-1/3w -3/5 = 1/5w
+1/3w +1/3 w
-3/5=1/5w+1/3w
Make common denominators to combine like terms of the right
-3/5=1/5w+1/3w
*3 *5
-3/5=3/15w+5/15w
-3/5=8/15w
multiply both sides by the reciprocal of 8/15 which is 15/8
-3/5*15/8=8/15w*15/8
* ----> cross reduce 5 in the denominator becomes 1 and 15 in the numerator becomes 3
* -----> now multiply across
w= -9/8
Answer:
y= 7^-t
Step-by-step explanation:
Equation for exponential decay:
An equation represents exponential decay if a term between 0 and 1 is elevated to the independent variable.
In this question:
First option 4 is elevated, so not exponential decay.
Second option:
, thus, the second option represents exponential decay.
To get the price, you have to multiply the amount by the percent it would become.
100% of 39 is 39
It is 33% off
100 (1.00) - 33 (0.33) = 67% (0.67)
Remember, the percent is a decimal because it is part of a whole (1).
39*0.67=$26.13.
Step-by-step explanation:
Let's pick two points on the line: and Let's calculate the slope of this line using these points:
With this value of the slope, we can write the general slope-intercept form of the equation as
To solve for the y-intercept b, let's use either P1 or P2. I'm going to use P2:
Therefore, the slope-intercept form of the equation is