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helpmath123:
Group Title
A qualifying race includes 12 female athletes. The top 3 finishers will represent the U.S. on the olympic 10K team. How many possible differ…
 updated 11 hours ago
 1 reply
 1 Medal
Mathematics

buehlerjon:
Group Title
If the kettle contains 1.4L of water initially at room temperature (20∘C), what's the time until the water begins boiling?
 updated 7 hours ago
 3 replies
 1 Medal
Mathematics

ornahhh:
Group Title
The eightgrade class at a grade school has 13 girls and 11 boys. How many differnt boygirl dates can be arranged?
 updated 15 hours ago
 4 replies
 2 Medals
Mathematics

jackelyn_1234:
Group Title
There are 6 students who all want to be in a group of 3 people chosen to speak at graduation. How many different groups can be chosen?
 updated yesterday
 18 replies
 2 Medals
Mathematics

jayashankarvb:
Group Title
In a super marker the average arrival rate of customers is 5 in every 30 minutes. The arrival time it takes to list and calculate the custom…
 updated yesterday
 2 replies
 No Medals Yet
Mathematics

anarvizo:
Group Title
The figure below shows the standard normal distribution from statistics, which is given by the following equation.
 updated yesterday
 7 replies
 1 Medal
Mathematics

inspirechey:
Group Title
1) Evaluate the summation of 25 times 0.3 to the n plus 1 power, from n equals 2 to 10..
0.005
…
 updated yesterday
 1 reply
 1 Medal
Mathematics

srgntb0$$:
Group Title
NO ONE IS HELPING TODAY AT ALL I ASKED LIKE A THOUSAND TIMES AND NOTHING PLZ HELP
 updated 2 days ago
 15 replies
 1 Medal
Mathematics

ineehel:
Group Title
if 1500$ is invested at 7 1/2%find the amount after 5 years when is is compounded quarterly
 updated 2 days ago
 1 reply
 1 Medal
Mathematics

knightmare6:
Group Title
MEDAL AND FAN!!
Solve the system of equations.
…
 updated 3 days ago
 19 replies
 1 Medal
Mathematics

richie.varghese:
Group Title
Explain the concept of modulation and its need in long distance communication. What is difference
between amplitude modulation and frequenc…
 updated 3 days ago
 1 reply
 No Medals Yet
Mathematics

jackyli:
Group Title
3e^(5x)=132
Please help. Will give medal.
 updated 3 days ago
 21 replies
 2 Medals
Mathematics

harz360:
Group Title
The frequency polygon below shows the distribution of scores of the approximately 1,080,000 students who took an SAT exam.
How many stude…
 updated 3 days ago
 4 replies
 No Medals Yet
Mathematics

swat05:
Group Title
the spinner on a wheel of fortune can land with an equal chance on any one of ten regions. three regions are red, four are blue, two are yel…
 updated 4 days ago
 7 replies
 No Medals Yet
Mathematics

dareintheren:
Group Title
What does it mean when they say the intensity of the EMR?
 updated 3 days ago
 3 replies
 No Medals Yet
Mathematics

Knamzy:
Group Title
There are 5 freshmen, 8 sophomores, and 7 juniors in a chess club. A group of 6 students will be chosen to compete in a competition.
…
 updated 5 days ago
 1 reply
 No Medals Yet
Mathematics

Knamzy:
Group Title
Two number cubes are rolled. What are the odds that one cube will have at show at least 5 and the other cube will show a multiple of 3.
 updated 5 days ago
 12 replies
 1 Medal
Mathematics

leahjo:
Group Title
A student studying for a vocabulary test knows the meanings of 16 words from a list of 20 words. If the test contains 10 words from the stud…
 updated 5 days ago
 1 reply
 No Medals Yet
Mathematics

serjinio:
Group Title
In a hand of 5 cards, out of a 52 deck of cards, what is the probability that the five cards are all face cards?
…
 updated 6 days ago
 5 replies
 2 Medals
Mathematics

adjsr:
Group Title
rewrite as a sum or difference of logs: ln(ex^3)
 updated 6 days ago
 1 reply
 No Medals Yet
Mathematics

JNaruto5796:
Group Title
When a fair dice is rolled. 36 equally likely outcomes are possible as shown below.
(1,1) (1,2) (1,3) (1,4) (1,5) (1,6) (2,1) (2,2) (2,3) (…
 updated 7 days ago
 30 replies
 2 Medals
Mathematics

AriPotta:
Group Title
In an election for senior class president, Alice received 30 votes more than David. If the ratio of the number of votes Alice received to th…
 updated 7 days ago
 6 replies
 2 Medals
Mathematics

unnstability:
Group Title
Participants in a study of a new medication received either medication A or a placebo. Find P(placebo and improvement).
Of all those who…
 updated 7 days ago
 12 replies
 1 Medal
Mathematics

MeggyMeg:
Group Title
A math teacher gave her class two tests. Twentyfive percent of the class passed both tests and 42 percent of the class passed the first t…
 updated 8 days ago
 22 replies
 1 Medal
Mathematics

musique:
Group Title
2 corrected exams are being returned to each of n students. How many ways can the teacher give those 2 exams back to each student such that …
 updated 8 days ago
 5 replies
 No Medals Yet
Mathematics

specek18:
Group Title
what's the numerator for the following rational expression?
5/q+9/q=?/q
Will give medal! please help
 updated 8 days ago
 3 replies
 1 Medal
Mathematics

blast234:
Group Title
....
 updated 9 days ago
 17 replies
 1 Medal
Mathematics

Andresfon12:
Group Title
From a shipment of 500 memory cards, 5 are selected random for inspection. there are 25 defective memory cards in the shipment.
a) What is …
 updated 9 days ago
 4 replies
 1 Medal
Mathematics

Andresfon12:
Group Title
If X is a uniformly distribution discrete random variable with possible values the integers from 3 to 5(inclusive).
A) What is the probabi…
 updated 9 days ago
 16 replies
 3 Medals
Mathematics

lovepurple:
Group Title
PLEASE HELP WILL MEDAL AND FAN!
The city council wants to find out if city residents would be willing to pay higher taxes for improvements …
 updated 9 days ago
 6 replies
 1 Medal
Mathematics
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