Math AEPA
33 - correct answer ✔1. A high school graduat recently sarted a new job.
worked 20% more hours third week on the job than she did in the second
week. She worked 30% more hours in the second week than she did in the
first week, and she worked 10% fewer hours in the fist week than her regularly
schedled weekly hours. If the graduate worked 46 hours in her 3rd week,
approximately what are her regularly scheduled weekly wok hours?
$1500x .983 x983 - correct answer ✔3. A factory's energy costs in January
are $1500. The factory owner estimates that the cost of energy will decrease
by 1.7% per month over the next six months. Based on this estimate, what will
the factory's energy cost be in March of the same year? Which of the following
represents the solution to the problem above?
4,210 degree - correct answer ✔4. If z_1 and z_2 are complex numbers with
z_1= -1+i sqr 3 and z_2=2i then which of the following is the polar
representation of the product z_1z_2?
The distributive propert and the commutative property - correct answer ✔5.
Prove that-1a=-a
Proof:
1. -1a+a=-1a+1a
2. =(-1+1)a
3. = 0a
4. = a
5. = a+(-a)
6. = -a+a
7. -1a= -a
, 268=1x165+103 - correct answer ✔8. The Euclidean algorithm is used to
find the greatest commn divisor of 2000 and 433. If the first step of the
algorithm is expressed as 2000=4x 433+ 268, then which of the following
could represent the third step of the algorithm?
10!/ 3! 7! - correct answer ✔9. In how many ways may a person order an ice
cream cone with scoops of three different flavors if there are ten flavors to
choose from?
5 - correct answer ✔10. On the first of Marc, some water is put into a water
tank. For the next 32 days, 3 gallons of water is added to the tank each day.
If, at the end of this period, there are 101 gallons of water in the tank, how
many gallons were put in the tank of the first of March?
4 - correct answer ✔11. A photographer is trying to arrange four children in a
row for a picture. Each child is wearing a different color sweater. If the child in
the red sweater does not want to be placed on either end of the row and
wants to be placed immediately to the right of the child in the blue sweater, in
how may ways can the four children be arranged?
11.5 - correct answer ✔12.
19,5,16,12,k,11,3,20
If the mean of the list of numbers above is 12, what is the median of the list?
The ave. remains the same and the standard deviation decreases. - correct
answer ✔13. A list of various number has an average value of 24. If the
number 24 is added to the list, which of the following describes the effect on
the average and standard deviation of the original list?
1/4 - correct answer ✔16. six individual socks are drawn at random without
replacement from a basket containing seven different pairs of socks. If the six
33 - correct answer ✔1. A high school graduat recently sarted a new job.
worked 20% more hours third week on the job than she did in the second
week. She worked 30% more hours in the second week than she did in the
first week, and she worked 10% fewer hours in the fist week than her regularly
schedled weekly hours. If the graduate worked 46 hours in her 3rd week,
approximately what are her regularly scheduled weekly wok hours?
$1500x .983 x983 - correct answer ✔3. A factory's energy costs in January
are $1500. The factory owner estimates that the cost of energy will decrease
by 1.7% per month over the next six months. Based on this estimate, what will
the factory's energy cost be in March of the same year? Which of the following
represents the solution to the problem above?
4,210 degree - correct answer ✔4. If z_1 and z_2 are complex numbers with
z_1= -1+i sqr 3 and z_2=2i then which of the following is the polar
representation of the product z_1z_2?
The distributive propert and the commutative property - correct answer ✔5.
Prove that-1a=-a
Proof:
1. -1a+a=-1a+1a
2. =(-1+1)a
3. = 0a
4. = a
5. = a+(-a)
6. = -a+a
7. -1a= -a
, 268=1x165+103 - correct answer ✔8. The Euclidean algorithm is used to
find the greatest commn divisor of 2000 and 433. If the first step of the
algorithm is expressed as 2000=4x 433+ 268, then which of the following
could represent the third step of the algorithm?
10!/ 3! 7! - correct answer ✔9. In how many ways may a person order an ice
cream cone with scoops of three different flavors if there are ten flavors to
choose from?
5 - correct answer ✔10. On the first of Marc, some water is put into a water
tank. For the next 32 days, 3 gallons of water is added to the tank each day.
If, at the end of this period, there are 101 gallons of water in the tank, how
many gallons were put in the tank of the first of March?
4 - correct answer ✔11. A photographer is trying to arrange four children in a
row for a picture. Each child is wearing a different color sweater. If the child in
the red sweater does not want to be placed on either end of the row and
wants to be placed immediately to the right of the child in the blue sweater, in
how may ways can the four children be arranged?
11.5 - correct answer ✔12.
19,5,16,12,k,11,3,20
If the mean of the list of numbers above is 12, what is the median of the list?
The ave. remains the same and the standard deviation decreases. - correct
answer ✔13. A list of various number has an average value of 24. If the
number 24 is added to the list, which of the following describes the effect on
the average and standard deviation of the original list?
1/4 - correct answer ✔16. six individual socks are drawn at random without
replacement from a basket containing seven different pairs of socks. If the six
