If the problem says 14(0.92)^t=9.5 and you need to solve for t, then the first thing you need to do on both sides is:
a) Divide by 14
b) Log 14
c) Divide by 0.92
d) Log 0.92
a) Divide by 14
If you pull 1 card out of a deck, what is the probability that you pull out a 3 or a 4?
8/52 (or 2/13)
If the mean weight of a professional tennis player is 160 pounds and the standard deviation is 8 pounds, write out the number line for the bell curve.
136, 144, 152, 160, 168, 176, 184
What is the excluded value for (x+7)/(x+9)?
x= -9
What is the sine value created by the point (8,6)?
6/10 or 0.6
If you have a bank account that earns continuous interest at 7% annually and currently has $1200 in it, how much money will you have in 15 years?
Use Pert. Round to the nearest cent.
$3429.18
If you pull two cards out of a deck, what is the probability that you pull a black card and then a red card?
676/2652 (or 13/51)
If the mean weight of a professional tennis player is 160 pounds and the standard deviation is 8 pounds, what percentage of players weigh less than 144 pounds?
2.5%
Vertical Asymptote; Hole
What is the reference angle for 405 degrees?
45 degrees
If you see the exponential function y=2(3)^(x+1)-5, what transformations have happened from the parent function?
Left 1, Down 5 (double points if you wrote stretch 2)
36 kids like only McDonalds, 24 kids like only Taco Bell, 25 like both, and 12 don't like either. How many kids are in the union?
85 kids
If the mean weight of a professional tennis player is 160 pounds and the standard deviation is 8 pounds, what percentage of players weigh between 152 and 176 pounds?
81.5%
Simplify (x2+7x-30)/(x2-12x+27)
(x+10)/(x-9)
-160 degrees
If you have a bank account that earns 3% annually and currently has $1900, how many years will it take to reach $2650? Round to 4 decimal places.
11.2557 years
36 kids like only McDonalds, 24 kids like only Taco Bell, 25 like both, and 12 don't like either. What is the probability of choosing a random kid that does NOT like Taco Bell?
48/97
Mr. Niu wants to know what percentage of students in his classes are tardy each day. He starts writing down how many students come in after the bell. Is this a survey, observational study, or experiment?
Observational Study
Fill in the blank: The number for the end behavior is the same number from the ____________________.
Horizontal Asymptote
2pi/3 and 4pi/3
Solve log3(8x+4)=5. Do not round your answer.
x = 29.875
If you roll 2 dice, what is the probability that both dice show 5?
1/36
Mr. Niu wants to know how much money the average backyard pool costs in Arizona. He asks 650 homes (with pools) how much it cost for them to install their pool. He averages their answers and finds that the average is $65000. What is the population parameter in this scenario?
The average installation cost of ALL backyard pools in Arizona.
When do you do Keep Change Flip?
When you are dividing fractions!
What is the amplitude of the graph of y=-3sin(2x)+5
3