0.3125 lb (pounds)
2x - 3y = 9
5x - 2y = -16
4x - 6y = 18
15x - 6y = -48
11x = -66
x = -6, y = -7
No because 7.9 inches is greater than 7.09 inches
244 pens are packed into boxes of 20.
How many full boxes are there?
How many pens are left over?
Let's set up two equations based on "distance = rate * time":
d = rt and D = RT
We know the total distance is 6 miles, so:
d + D = 6
Let's solve this for D in terms of d as we will use it later:
D = 6 - d
Next, we have the rates. If we use lower-case as walking and upper-case for running,...
No, algebra is not necessary in everyday home life.
(I am a math teacher telling you my honest answer.)
But school teaches you skills you will use in a job. Many (but not all) jobs use algebra. You will never need. to do a chemistry equation or dissect a frog or recite the Magna Carta or analyze a Shakespeare poem...
using inverse properties, what is the solution to
There are many ways to go. One way is to solve for the intercepts. Solve for x when y = 0 and solve for y when x = 0. That will give you two points. Then connect the points and you have your line:
2x - y = -4
2(0) - y = -4 and 2x - 0 = -4
0 - y = -4 and 2x = -4
-y = -4 and x = -2
y = 4 and x = -2
my math question is:
——- (divided by)
Your answer is correct:
1 / (1-√ 5) = (1 + √ 5) / -4 = -(1 + √5)/4