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August 20, 2014

Homework Help: Math

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Recent Math Questions

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finite Math
how do I set up this problem, purchase a car today with inflation rate of 4% per year compounding annually for the next five years what would the cost of a $17,000 car be five years later
Friday, June 20, 2014 at 2:50pm

math
63 divided by (10-3) + 2 x 4 = 44 is this correct
Friday, June 20, 2014 at 1:58pm

finite math
Using the formula for PV (present value) of an oridinary annuity or the amortization formula to solve this problem. PV=13000 I=.03% PMT=500 n=? I have done it over and over and can't it correct
Friday, June 20, 2014 at 1:20pm

math
a factory wanted to produce 7600 radios. at first, they planned to produce 600 radios a day. however, 8 days later, the remaining radios had to be produced in 4 days. how many more radios than originally planned had to be produced everyday?
Friday, June 20, 2014 at 12:46pm

Math
peter had 3 kg of beef. he sold 1 kg 600 g of it. what fraction of it did he sell?
Friday, June 20, 2014 at 12:35pm

Math
Sam is planning to put a fence around a circular garden in his lawn. The garden is 10 feet from end to end. If the total cost of a fence is $440, what is the unit price of fence per foot? (Use ð=227.)
Friday, June 20, 2014 at 10:43am

math
Product of two number is 16 .one of them 4 . Find oter
Friday, June 20, 2014 at 6:07am

math
are the terms like or not. Explain why.4a,-122a
Thursday, June 19, 2014 at 10:24pm

Math
A radioactive material takes 60 days to cut its radiation in half. If it starts at 100%, when will it be at 5%?
Thursday, June 19, 2014 at 10:22pm

Math
Find the roots by factoring. 25x squared - 30x= -9
Thursday, June 19, 2014 at 9:49pm

math
Jefferson Bank made a loan at 6% interest for 146 days. If the amount of interest was $36.50, use the ordinary interest method to find the amount of principal borrowed. Round to the nearest whole dollar amount
Thursday, June 19, 2014 at 9:00pm

math
I have 102 sandwiches my friends ate 5/8 of the chicken sandwiches and 2/3 of tuna sandwiches,how many of each sandwiches did I make
Thursday, June 19, 2014 at 8:34pm

math
Sue stacked one box onto another. The bottom box had the height of 2 1/3 feet and the top box had the height of 3 2/3 feet. How tall were the stacked boxes?
Thursday, June 19, 2014 at 6:12pm

math
the smallest even number greater than 600,000 with the digits 3,6,0,2,4,and 2?
Thursday, June 19, 2014 at 4:53pm

math
the largest odd number with the digits 3,9,7,8,4 and 1?
Thursday, June 19, 2014 at 4:51pm

math
a number consists of 7 digits and the sum of all digits is one.what is the number?
Thursday, June 19, 2014 at 4:39pm

math
the smallest number with the digits 2,4,8,9,7,and 5?
Thursday, June 19, 2014 at 4:27pm

math
what is the next two consecutive even numbers more than 580,500?
Thursday, June 19, 2014 at 4:25pm

math
A triangle has a height of x meters and a base of 14 meters. Write and solve an inequality for the values of x that give an area of at most 112 m2003-06-04-00-00_files/i0230000.jpg. A. 2003-06-04-00-00_files/i0230001.jpg m B. 2003-06-04-00-00_files/i0230002.jpg m C. 2003-06-04...
Thursday, June 19, 2014 at 12:59pm

math
what is the square route of pi
Thursday, June 19, 2014 at 12:37pm

math
From a survey of 100 college students, a marketing research company found that 55 students owned iPods, 25 owned cars, and 15 owned both cars and iPods. (a) How many students owned either a car or an iPod (but not both)?
Thursday, June 19, 2014 at 11:14am

Math
I am a number between 1 and 10. My tenth digit is one more than my one digit; my hundredth digit is the sum of my one and tenths digits.
Thursday, June 19, 2014 at 10:06am

math
Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -6x2 + 3x + 3.
Thursday, June 19, 2014 at 9:47am

Math
How are addition and multiplication used to solve a linear equation? Demonstrate by solving " 15x+7=31+3x
Thursday, June 19, 2014 at 9:45am

Math
Translate the following text into an equation involving ratios and solve it. " Anne is paid $45 per hour, if she works 55 hours in a particular week, how much will she be paid that week?
Thursday, June 19, 2014 at 9:40am

math
five friends plan a chess tournament. how many possible games can be played if each person plays with each other person exactly once.
Thursday, June 19, 2014 at 8:38am

math
1. An architect draws house plans for a client using the scale 1in= 4ft. How long shall the architect draw a wall that will be 22ft long Ans 5 1/2 in 2. If a coin is flipped 5 times, the probability of getting heads all 5 times is Ans 1/32 3. a bag of marbles contains 4 red, 3...
Thursday, June 19, 2014 at 8:06am

Math
Compare and contrast the solutions of ax^2 + h = 0 to the solutions of ax^2 = h, where a and h are positive.
Thursday, June 19, 2014 at 5:57am

math
find the value of sin 60degree/cos*cos 45degree- Cot 30degree+15cos90degree
Thursday, June 19, 2014 at 5:17am

Math
I am working on word problems and trying to figure this one out and need help. One mile is 5280 feet. Justin has a stride of 32 inches. How many steps will he take to run a 26 mile marathon? 5280 x 26 = 137,280 and I am stuck.
Thursday, June 19, 2014 at 4:54am

math
1. An architect draws house plans for a client using the scale 1in= 4ft. How long shall the architect draw a wall that will be 22ft long Ans 5 1/2 in 2. If a coin is flipped 5 times, the probability of getting heads all 5 times is Ans 1/32 3. a bag of marbles contains 4 red, 3...
Thursday, June 19, 2014 at 12:06am

Math
Victor bought a brand new car for P750,000. If the value of the car depreciates 20%per year, what will it be worth during the fourth year?
Wednesday, June 18, 2014 at 9:01pm

Math
1. What is the tenth term of the geometric sequence whose first term (a1) is 16 and the common ratio (r) is –½? 2. Given the terms a10 = 3 / 512 and a15 = 3 / 16384 of a geometric sequence, find the exact value of the first term of the sequence.
Wednesday, June 18, 2014 at 8:59pm

Math
How much will it cost to carpet a room that's 12ft by 15ft if the carpet cost $25 per square yard
Wednesday, June 18, 2014 at 8:55pm

Math
Given: ________, – 243, – 226, – 209, – 192, – 175, … The 67th term of the sequence is __________. The series of the first 27 terms of the sequence is __________.
Wednesday, June 18, 2014 at 8:41pm

math please help
Limit as x approaches zero of (sinx-(x^3/6)/x^5)
Wednesday, June 18, 2014 at 7:50pm

Math
Four coins fall onto the floor. Find the probability that (a) exactly three coins land heads up (b) all coins land tails up (c) two or more coins land heads up (d) no more than two coins land tails up (e) at least one coin lands tails up
Wednesday, June 18, 2014 at 7:30pm

Math
At this year's State Fair, there was a dice rolling game. If you rolled two dice and got a sum of 2 or 12, you won $20. If you rolled a 7,you won $5. Any other roll was a loss. It cost $3 to play one game with one roll of the dice. What is the expectation of the game?
Wednesday, June 18, 2014 at 6:58pm

Math
A 15 ft ladder is leaning against the wall. The top of the ladder reaches 10ft up the wall. What is the angle that the ladder makes with the ground?
Wednesday, June 18, 2014 at 5:57pm

Math
You start your shift as a cashier with your drawer containing ten $1 bills, 5 $2 bills, three $5 bills, one $10 bill and one $100 bill. Find the expectation if one bill is selected.
Wednesday, June 18, 2014 at 5:55pm

math
A group of friends consist of 3 girls and 5 boys. If that group of friends is separated into a group containing 1 girl and 2 boys, how many combinations of the original 8 friends could be made into the smaller group?
Wednesday, June 18, 2014 at 5:34pm

Math
While cleaning her dorm room, Monica mistakenly pushed three coins off the desk. When they land on the chair below, find the odds (a) in favor of getting exactly three heads (b) in favor of getting exactly three tails (c) against getting exactly two heads (d) against getting ...
Wednesday, June 18, 2014 at 5:30pm

finite math
A baseball player hit 59 homeruns in a season. Of the runs, 22 went to right field, 15 went to right center field, 8 went to center field, 8 went to left center field and 6 went to left field. What is the probability that a randomly selected home run went to left field.
Wednesday, June 18, 2014 at 5:18pm

finite math
A probability experiment was conducted in which the sample space of the experiment is S={1,2,3,4,5,6,7,8,9,10,11,12}, event F= {6,7,}, and event G={9,10,11,12}. Assume that each outcome is equally likely. List the outcomes of F and G?. find P(F or G) by counting the number of ...
Wednesday, June 18, 2014 at 5:16pm

finite math
The probability that a 3-year old garter snake will reach 4 years old is 0.62719. (a) what is the probability that two randomly selected will reach 4 years old? What is the probability that five randomly selected 3 year old garter snakes will reach 4 years old?
Wednesday, June 18, 2014 at 5:01pm

finite math
Among 38-43 year old, 25% say they have written an editorial letter while under the influence of peer pressure. Suppose two 38-43 year old are selected at random. (a )what is the probability that at least one has not written under the influence of peer pressure. (b) what is ...
Wednesday, June 18, 2014 at 4:57pm

math
okay so I have to work out this problem for school work and I don't understand it. the problem is : if the perimeter of an isosceles triangle is 2x + 10, what is the length of one of the congruent sides ? PLEASE HELP ME !
Wednesday, June 18, 2014 at 3:46pm

math
a boy travels in a boat at an angle of 20 degrees to the river bank.if he travels 200m before reaching the opposite bank,calculate the width of the river
Wednesday, June 18, 2014 at 1:52pm

math
The number of students who attended the class from monday to saturday were consecutive integers the average number of students attending class from monday to wednesday is 34. find average number of students attending class from thursday to saturday
Wednesday, June 18, 2014 at 11:34am

Math
A number whose digit in the ten billions place is 5 less than 8
Wednesday, June 18, 2014 at 9:37am

math
I am a decimal between 2 and 3. The digit in my thousandths place is the sum of the digits in my tenths and hundredths place. The digit in my tenths place is the difference of the digits in my thousandths and hundredths place. The digit in my hundreths place is one less than ...
Wednesday, June 18, 2014 at 9:32am

math
Write an expression for the problem, then evaluate. Tickets for children in a carnival cost 150. A teacher of a class of 48 pupils gets for the whole class but only 43 pupils buy. Is it right for the teacher to say that she has 6,350 for the tickets of the children? Why
Wednesday, June 18, 2014 at 7:56am

math
an open box is to be formed out of a rectangular piece of cardboard whose length is 8 cm longer than its width to form the box,a square of side 4 cm will be removed from each corner of the cardboard then the edges of the remaining cardboard will be turned up.
Wednesday, June 18, 2014 at 7:55am

math
In a certain eatery, there are 5 glass racks having 24 glasses and 8 left over. The answer says there are 130 glasses in all. Is it right? Why?
Wednesday, June 18, 2014 at 7:55am

math
remove the irrationality in the denominator (i) 1/1+√2+√3
Wednesday, June 18, 2014 at 7:22am

Math
state whether each relation y=f(x) describes a quadratic function or not y=3-x^2
Wednesday, June 18, 2014 at 6:35am

Math
state whether each relation y=f(x) describes a quadratic function or not
Wednesday, June 18, 2014 at 6:34am

math
12x0x3x1
Wednesday, June 18, 2014 at 5:00am

math
8x12x0x3=
Wednesday, June 18, 2014 at 4:56am

math
How to solve first question using a t table please help answer question really stuck on wok new answers 19 or170 can you tell me which is right showing work please thank you whole lot - jessica ledesma
Wednesday, June 18, 2014 at 2:56am

math
At the faculty costume party , each teacher from Transylvania Middle school came dressed as his of her favorite creepy creature . The teachers arrived one at a time , and when a new teacher came in , each of the teachers already there lined up at the door and shook hands with ...
Wednesday, June 18, 2014 at 2:39am

Math
Prove the identity csc^2x = 2sec2x / sec2x - 1 Sorry i really tried. I got : LS = 1 - (cos^2x/sin^2x) but thats it. please help
Tuesday, June 17, 2014 at 11:21pm

math
un Lanes Bowling charges a fee of $4 to use their shoes and $6 for each game played. Salim wants to figure out how much it will cost him to bowl. Part 1: Write an equation representing this problem. Let x be the number of games bowled, and let y be the total cost. Part 2: Is x...
Tuesday, June 17, 2014 at 11:08pm

finite math
The probability that a randomly selected individual in a country earns more than 75,000 per is 10.5%. the probability that a randomly selected individual in a country earns more than 75,000 per year, given that the individual has earned a bacholer’s degree is 21.5%. The ...
Tuesday, June 17, 2014 at 11:05pm

finite math
Suppose that E and F are two events P(E and F)=0.1 and P(E)=0.4 what is P(F/E)?
Tuesday, June 17, 2014 at 11:03pm

finite math
8. Among 38-43 year old, 25% say they have written an editorial letter while under the influence of peer pressure. Suppose two 38-43 year old are selected at random. (a )what is the probability that at least one has not written under the influence of peer pressure. (b) what is...
Tuesday, June 17, 2014 at 11:03pm

finite math
The probability that a 3-year old garter snake will reach 4 years old is 0.62719. (a) what is the probability that two randomly selected will reach 4 years old? What is the probability that five randomly selected 3 year old garter snakes will reach 4 years old?
Tuesday, June 17, 2014 at 11:01pm

finite math
A golf ball is selected at random from a golf bag. If the bag contains 3 black balls, 8 orange balls, and 4 brown balls, find the probability of the event. That the golf ball will be black or orange.
Tuesday, June 17, 2014 at 11:00pm

finite math
Find the probability of P(E or F) if E and F are mutually exclusive P(E)=0.25 and P(F)=0.47
Tuesday, June 17, 2014 at 10:59pm

math
Lily designed a deck in her backyard that is in the shape of a quadrilateral that has only 1 pair of parallel sides. What is the shape of the deck?
Tuesday, June 17, 2014 at 10:57pm

finite math
A probability experiment was conducted in which the sample space of the experiment is S={1,2,3,4,5,6,7,8,9,10,11,12}, event F= {6,7,}, and event G={9,10,11,12}. Assume that each outcome is equally likely. List the outcomes of F and G?. find P(F or G) by counting the number of ...
Tuesday, June 17, 2014 at 10:56pm

finite math
A baseball player hit 59 homeruns in a season. Of the runs, 22 went to right field, 15 went to right center field, 8 went to center field, 8 went to left center field and 6 went to left field. What is the probability that a randomly selected home run went to left field.
Tuesday, June 17, 2014 at 10:55pm

finite math
According to a certain countries 44.5% of 3 year olds are enrolled in daycare. What is the probability that a randomly selected 3 year old is enrolled in daycare.
Tuesday, June 17, 2014 at 10:54pm

finite math
Suppose a coin is tossed 100 times 57 heads and 43 tails what is the probability the next one will be heads.
Tuesday, June 17, 2014 at 10:54pm

math
Determine whether the system of equation is in row-echelon form. x-y+3z=-11 y+8z=-12 z=-2
Tuesday, June 17, 2014 at 10:39pm

MATH
what is answer of this problem set X={X/X IS A BOY}
Tuesday, June 17, 2014 at 10:05pm

Math
Use back substitution to solve the system of linear equations x-2y+z=8 y+z=5 z=2 **I tried to solve it eventho im still confused/lost. 1=3 idk ugh
Tuesday, June 17, 2014 at 9:55pm

Math
– 11 is the __________ term of the arithmetic sequence – 847, – 836, – 825, – 814, – 803, …
Tuesday, June 17, 2014 at 9:54pm

Math
Find the value of x so that 3x – 2, 2x – 1 and 4x – 3 form an arithmetic sequence.
Tuesday, June 17, 2014 at 9:04pm

Math
Black Eyed Peas’ 2011 Live Concert is to take place in a circular park. Due to the shape of the area, seats are set up so that the innermost row has 64 seats and each successive row has 17 more seats than the row before it. The park’s open area can accommodate 17 ...
Tuesday, June 17, 2014 at 9:03pm

Math
Hi, I needed help with this improper integral. lower limit : 2 upper limit : infinity integral of (lnx)/(x+1) dx Thank You so much :D
Tuesday, June 17, 2014 at 8:54pm

Math
Find the 12th term of the arithmetic sequence 2, 6, 10, … .
Tuesday, June 17, 2014 at 8:47pm

Math
Solve for the 101st term of the sequence whose 1st term is x-y and d=2x+y-3.
Tuesday, June 17, 2014 at 8:46pm

Math
The entire can needs to be painted, including the top and bottom. If the diameter of the lid (x) is 5 cm, and the height of the can (y) is 9 cm, what is the approximate total surface area that will need to be painted?
Tuesday, June 17, 2014 at 8:08pm

MATH
Solve the system of linear equations 2x+y-3z=4 4x+2z=10 -2x+3y-13z=-8 *im so lost (all these numbers are in one problem)
Tuesday, June 17, 2014 at 7:51pm

math
what is the vertex of y=x^2-4 ??
Tuesday, June 17, 2014 at 7:00pm

math
Shipping dimensions given by the distributor are 10 cm x 20 cm x 22 cm. What will you enter in ‘Shipping dimensions’ field in our system? Shipping dimensions = ?
Tuesday, June 17, 2014 at 6:01pm

Math PLZ help me
Hi, I needed help with this improper integral. lower limit : 2 upper limit : infinity integral of (lnx)/(x+1) dx Thank You so much :D
Tuesday, June 17, 2014 at 5:34pm

Math
The class with the greatest mean sales in a spring fundraiser will win a prize. The mean for Eric's class is $148. The mean for Natalia's class is $152. Natalia's sales total $150. If Natalia moves to Eric's class, the mean for each class increases. Explain why?
Tuesday, June 17, 2014 at 5:02pm

finite math
According to a certain countries 44.5% of 3 year olds are enrolled in daycare. What is the probability that a randomly selected 3 year old is enrolled in daycare. edited
Tuesday, June 17, 2014 at 2:20pm

Math
Write the quadratic function in standard form (if necessary) and sketch its graph. Identify the vertex. f(x)=x^2+3x+1/4
Tuesday, June 17, 2014 at 2:15pm

Math
A hair product company sells three types of hair products for $30, $20, and $10 per unit. In one year, the total revenue for the three products was $800,000, which corresponded to the sale of 40,000 units. The company sold half as many units of the $30 product as units of the...
Tuesday, June 17, 2014 at 2:08pm

MaTh..
Determine whether the system of equations is in row-echelon form. x-y+3z=-11 y+8z=-12 z=-2
Tuesday, June 17, 2014 at 2:03pm

finite math
Suppose that E and F are two events P(E and F)=0.1 and P(E)=0.5. what is P(F/E)?
Tuesday, June 17, 2014 at 1:48pm

finite math
Among 26-31 year old, 29% say they have written an editorial letter while under the influence of peer pressure. Suppose six 26-31 year old are selected at random. (a) that at least one has not written under the influence of peer pressure. (b) what is the probability of that at...
Tuesday, June 17, 2014 at 1:47pm

finite math
The probability that a 3-year old garter snake will reach 4 years old is 0.94461. (a) what is the probability that two randomly selected will reach 4 years old? What is the probability that five randomly selected 3 year old garter snakes will reach 4 years old?
Tuesday, June 17, 2014 at 1:46pm

finite math
A probability experiment was conducted in which the sample space of the experiment is S={1,2,3,4,5,6,7,8,9,10,11,12}, event F= {3,6,7,}, and event G={9,10,12}. Assume that each outcome is equally likely. List the outcomes of F and G. find P(F or G) by counting the number of ...
Tuesday, June 17, 2014 at 1:42pm

finite math
A baseball player hit 54 homeruns in a season. Of the runs, 17 went to right field, 16 went to right center field, 8 went to center field, 8 went to left center field and 5 went to left field. What is the probability that a randomly selected home run went to left field.
Tuesday, June 17, 2014 at 1:33pm

finite math
According to a certain countries 43.8% of 3 year olds are enrolled in daycare. What is the probability that a randomly selected 3 year old is enrolled in daycare.
Tuesday, June 17, 2014 at 1:32pm

finite math (probability
suppose you toss a coin 100 times and get 57 heads and 43 tails. Based on the results what is the probability that the next toss will be head.
Tuesday, June 17, 2014 at 1:28pm

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