Answer:
b. All real numbers
Step-by-step explanation:
Simplify:
- 5(x-2) = (15x+6)/(3) - 12
- 5x - 10 = 5x + 2 - 12
- 5x - 10 = 5x - 10
- -10 = -10
- 0 = 0
Since both sides are equal to each other, any value of x makes this equation true.
$150 is your answer........................................................
Answer:
A. 100
Step-by-step explanation:
50 + 50 + 100
Answer:
y=2x-9 or D
Step-by-step explanation:
To get the slope of the perpendicular line, you find the negative reciprocal. The negative reciprocal of -1/2 is 2.
Then, you need to find the y-intercept. Considering the line has to pass through the point (2,-5), you can use the slope to find that the y-intercept is -9.
Answer:
3137
Step-by-step explanation:
The decay factor is 400/110,000 = 1/275 in 30 hours. Assuming an exponential decay, the equation for the number remaining can be ...
n(t) = 110,000·(1/275)^(t/30)
Then after 19 hours, the number remaining is ...
n(19) = 110,000·(1/275)^(19/30) ≈ 3137
There will be about 3137 bacteria after 19 hours.
