Answer:
832 votes were cast
Step-by-step explanation:
Danny received = 5 of every 8 votes
Opponent received = 3 of every 8 votes
Let V stand for the total number of votes cast.
The opponent's 3/8 of the votes was 312 so (3/8) times V = 312
(3/8)(V) = 312
V = (312)/(3/8) ( i.e., 312 divided by 3/8 )
To divide by a fraction, you invert the divisor and multiply
V = (312) x (8/3) = 2496/8 = 832 total votes
Yes you are right it's C)
Notice that f(-2) = (-2)³ +2( - 2)² + 4(-2) + 8 =0
Then x³+2x²+4x+8 is divisible by (x+2)
Perform this division & you will get:
x³+2x²+4x+8 = (x+2)(x²+4)
The root of (x+2) is the value that render it nil, that is x=-2
The root of (x²+4) are imaginary (not real) because
x²+4 =0 ==> x² = -4 & x=√-4 or x= 2i (nor real).
Hope you understood the reasoning
Answer:
-1/4
Step-by-step explanation:
y = 4x + 8
- the slope of this line = 4
The slope of a line perpendicular to it will be - 1/ 4
Answer:none of these.
Try to substitute any of the given values for x and the result is false
Step-by-step explanation:
Try x=1. 1-7 -6. Divide that by 1 and you get -6 = 6. False!
To solve the given equation, multiply sides by x to cancel the denominator. You get x-7 = 6x then subtract x from both sides to get -7=5x. Divide both sides by 5 to get x= -7/5
But if the original equation has an x^2 somewhere, there will be a different set of solutions.
Answer: C:800.B:1200.T:1600
Step-by-step explanation: If the ratio is proportional to the time spent on the marketing competition, then we can add the hours up: 4+6+8=18. Total amount divded by total hours -> 3600/18=200. So each hour worked is 200 dollars. Christine worked 4 hours, 4*200=800, Bianca worked 6 hours, 6*200=1,200, and Travis worked 8 hours, 8*200=1,600.
