I really don't understand your question that you asked 3 WEEKS ago.
Answer:
C = 75.
Step-by-step explanation:
Set up our eq:
600 x
___ = ___
80 100
Cross multiply:
6 x 10 = 60 (add two zero's) = 6000
now, 80 * x. 80x
Now we divide:
6000
_____
80
C = 75
Answer:
the answer is x = -6 and x =5
just took the test
Desmos comes in handy with these problems. Use the "FOIL" method for each of them and then plug them into the calculator of desmos. This will graph each other them. Note the x and y axis'
Example for (A) y= (x-2)(x+3) foil it:
x^2+3x-2x-6
x^2+x-6
plug that in and match to graph.
Answer:
8^(7), which is 2097152
Step-by-step explanation:
8^(4) × 8^(3)
= 8^(4+3)
= 8^(7)
= 2097152
