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MATH SOLVE
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Evaluate C_n.xP^xQn-x For the given n=7, x=2, p=1/2
General
4 months ago
There are 14 juniors and 16 seniors in a chess club. a) From the 30 members, how many ways are there to arrange 5 members of the club in a line? b) How many ways are there to arrange 5 members of the club in a line if there must be a senior at the beginning of the line and at the end of the line? 0 c) If the club sends 2 juniors and 2 seniors to the tournament, how many possible groupings are there? d) If the club sends either 4 juniors or 4 seniors, how many possible groupings are there?
General
4 months ago
Negate verbally:(a) "All people weigh at least 100 pounds."(b) "Somebody did not see any animals in the zoo"0 pounds." (b) "Somebody did not see any animals in the zoo"need help understanding this one
General
4 months ago
Team A and Team B play each other in a best out of 7 tournament. So the team that wins 4 games first wins the tournament. How many possible sequences are there for team A to win? Examples: AAAA, AAABA, AABAA, etc.
General
4 months ago
Two airplanes leave an airport, and the angle between their flight paths is 40°. An hour later, one plane has traveled 300 miles while the other has traveled 200 miles. How far apart are the airplanes at this time? Round your answer to the nearest mile.A) 195 miles B) 250 miles C) 360 miles D) 423 miles
General
4 months ago
Write the base number for each expression: Please I need with steps1. 5^122. 1.2^23. (1/3)^4
General
4 months ago
Determine all values of h and k for which the system S 1 -3x - 3y = h -4x + ky = 10 has no solution. k= ht
General
4 months ago
The percent increase in Americans in prison for drug related offenses from 1980 to 2015 was 1048%. In 1980 the number of Americans in prison for drug related offenses was 40,900. How many American's were in prison for drug related offenses in 2015?
General
4 months ago
Find a power series solution of the differential equation y" + 4xy = 0 about the ordinary point x = 0.
General
4 months ago
The concentration of DDT (C14H9Cl5), in milligrams per liter, is:(1) a nominal variable(2) an ordinal variable(3) an interval variable(4) a ratio variable.
General
4 months ago
A group of 16 people bought tickets to a museum. They paid a total of $56. Each adult ticket costs $4 and each child ticket costs $2. How many adult tickets and child tickets did they buy? A) 4 adult tickets, 12 child tickets B) 8 adult tickets, 8 child tickets C) 10 adult tickets, 6 child tickets D) 12 adult tickets, 4 child tickets
General
4 months ago
Which statement correctly compares the number of patients seen by the doctor on Monday and Tuesday? A. On Tuesday, the doctor saw 4 more patients per hour. B. On Monday, the doctor saw 4 more patients per hour. C. On Monday, the doctor saw 1 more patient per hour. D. On Tuesday, the doctor saw 1 more patient per hour.
General
4 months ago
A system of two linear equations in which the lines are parallel is classified as __________. A) inconsistent. B) indeterminate. C) consistent and dependent. D) consistent and independent.
General
4 months ago
Seiji and Gavin both worked hard over the summer. Together they earned a total of $525. Gavin earned $25 more than Seiji. Write a system of equations for the situation. Use s for the amount Seiji earned and g for the amount Gavin earned. Graph the equations of the system on the graph provided on the next page. Note: Insert->Shape will allow you to add lines, draw dots, and otherwise insert shapes in both Microsoft Word and LibreOffice. The graph should be big enough for you to easily plot points using this method. If you do not want to graph using the drawing tools built into Microsoft Word or LibreOffice you may also print out, graph by hand, and scan the page. Please note it’s perfectly okay to upload multiple files. Use your graph to estimate how much each person earned, and explain your results.THERE ARE THREE PARTS TO THIS PLEASE ANSWER ALL 3 100% CORRECTLY AND SHOW YOUR WORK IF NOT YOU WILL BE REPORTED
General
4 months ago
Anthony is rowing a boat upstream. The following equation models his speed: f(x) = 3x2 − 6x − 13, where x is the velocity of the boat relative to land. What is the domain of the function?A)All real numbersB)x ≥ 1C)x ≤ −6D)x ≥ −13
General
4 months ago
what’s the slope of the line that passes through (3,5) and (2,6)
General
4 months ago
Dystopia county has three bridges. In the next year, the Elder bridge has a 16% chance of collapse, the Younger bridge has a 4% chance of collapse, and the Ancient bridge has a 21% chance of collapse. What is the probability that exactly one of these bridges will collapse in the next year? (Round your final answer to four decimal places. Do not round intermediate calculations.)
General
4 months ago
Abby, Deborah, Mei-Ling, Sam, and Roberto work in a firm's public relations office. Their employer must choose two of them to attend a conference in Paris. To avoid unfairness, the choice will be made by drawing two names from a hat (This is an SRS of size 2.)(a) Write down all possible choices of two of the five names. This is the sample space. (Parts b-d of this problem are based on the possible choices listed in part a (choice of 2 names).(b) The random drawing makes all choices equally likely. What is the probability of each choice?(c) What is the probability that Mei-Ling is chosen?(d) What is the probability that neither of the two men (Same and Roberto) are chosen
General
4 months ago
PLEASE HELP THIS IS FOR TOMMOROW!!!!
General
4 months ago
1. Lucy has a jewelry business. To make a certain necklace, she spends $4.52 on materials and $5.43 on labor. She then sells the necklace for $17.99. Lucy’s profit on the necklace is equal to the sale price minus the cost of materials and labor. (a) How much profit does Lucy earn when she sells a necklace? What fraction of the sale price of the necklace is profit? Record your answer as a fraction using whole numbers. (b) What decimal of every dollar of the sale price of the necklace is profit? Show your work. Round your answer to the nearest hundredth. (c) Lucy collected $215.88 selling necklaces at a craft fair. How many necklaces did Lucy sell? How much profit did she earn? Show your work.
General
4 months ago
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