It is important to know basic biology, chemistry, and physics for the ACT Science section! – Facilitated diffusion = molecules go from an area of higher concentration to lower concentration with the help of a carrier molecule – across a selectively permeable membrane – can be with larger molecules – Ribosomes = protein builders of[…]
z(x) = 5x − 2 h(x) = 2 − 3z(x) What is the value of h(1)?
h = 3m + 29.2 A doctor uses this model to estimate the height h of a boy, in inches, based on his age m, in years, between the ages of 2 and 6. According to the model, how many inches is a boy expected to grow each year?
If m/p = 3, then what is the value of 5p/m?
If y=px, where p is a constant, and y=32 when x=4, then what is the value of y when x=7?
Dovid takes an exam that he did not study for. The exam has 7 multiple choice questions. The first 5 are T/F The last 2 have 4 options each Dovid guesses on every question. Find the probability that he answers all questions correctly.
A license plate has 4 letters and 2 numbers Letters cannot be repeated but numbers can be repeated Find the probability that in a randomly selected license plate the word MATH appears.
Rebecca drives 50 miles at 20mph and 70 miles in 2 hours. Find her average rate.
On Monday, Anna starts pouring water into a bucket at a rate of 4 cubic meters per second. Twenty seconds later, Bella starts pouring water into the same bucket at a rate of 5.5 cubic meters per second. How many seconds after Anna starts will the amount of water in the bucket equal or exceed[…]
The area of a rectangle is 128 square inches. The perimeter is 48 inches. Find the dimensions.