its good to know if a number is positive or negative because something as simple as forgetting the signs such as - + could drastically change your answer
Answer:
She could teach 3 lessons a night
Step-by-step explanation:
Because 1 1/2 goes into 4 1/2 3 times
Just put it in equation solver. On a ti-84 calculator you will click math>go to the bottom> click equation solver> put it in by each half of the equal sign. as in
Log3/4 25 on top
3x-1 on the bottom. click enter
then click alpha enter. Your answer will be given then.
T = kh where t = tons and h = hours, k is the constant of variation
This is direct variation.
27 = k*3
= 27/3 = 9
Equation of variation is t = 9h
Amount produced in 8 hours t = 9*8 = 72 tons Answer
The correct answer is D.
The LCD, least common denominator, is the smallest denominator that both denominators will go into. The LCD of 5 and 7 will be 35; the variable portion will be b³c, since that is the smallest thing the second fraction can go into.
This gives us a denominator of 35b³c.
