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college math
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Prove: 3/ a(2a^2 + 7)
14 answers
asked by
Laura
3,210 views
A piece of land in Ottawa with an area of 0.4 square kilometers is priced at 5600 Canadian dollars. If there are 1.358 Canadian
4 answers
asked by
Leissa
4,129 views
estimate the total cost of 97 shirts at $19.95 each
5 answers
asked by
bethany
1,592 views
what is the remainder when the sum 1^5+2^5+3^5+...99^5+100^5 is divided by 4? again a mod problem that I don't know how to work.
5 answers
asked by
Laura
2,197 views
two cars are approaching an intersection one is 3 miles south of the intersection and is moving at a constant speed of 20 miles
4 answers
asked by
Jennifer
2,669 views
20. Calculate the range, variance, and standard deviation of the following data set:
5, 5, 6, 6, 6, 8, 8, 8, 8, 10, 10, 11, 12,
6 answers
asked by
Anonymous
4,109 views
if $110 is invested for one year at 13% simple interest, how much interest is earned?
4 answers
asked by
jessica
2,244 views
Assume that there are 16 board members: 10 females, and 6 males including Larry. There are 4 tasks to be assigned. Note that
3 answers
asked by
Nala
3,117 views
when eggs in a basket are removed 2,3,4,5,6 at a time there remain, respectively, 1,2,3,4,5 eggs. when they are taken out 7 at a
5 answers
asked by
Laura
2,783 views
the Laplace transform of e^4t(cos 2t)??
please i need help. thanks
4 answers
asked by
jimmy
1,265 views
CalJuice Company has decided to introduce three fruit juices made from blending two or more concentrates. These juices will be
3 answers
asked by
Dee
1,232 views
the half life of Uranium -238 is 4.5 billion years and the age of earth is 4.5 X 109 years. What fraction of Uranium-238 that
5 answers
asked by
shelly
5,445 views
I'm hoping I did thesse right.
Solve each quadratic equation. (I don't know how to do symbols on here so i'll write it out in
1 answer
asked by
amy
567 views
Find the equation of the line with the given information.
I know how to do this when given (x1,y1) & (x2,y2) but the given
2 answers
asked by
amy
523 views
Suppose 32 = alpha*beta for alpha, beta reatively prime quadratic integers in Q[i] . Show that alpha = epsilon*gamma^2 for some
1 answer
asked by
student
517 views
Explain permutations and combinations and the differences between the two. Use examples to illustrate.
4 answers
asked by
Rose
659 views
The odds against WildHorse winning the third race are 11:2. If Molly places a $4 bet on WildHorse to win and WildHorse wins,
3 answers
asked by
Rose
414 views
During the last hour, a telemarketer dialed 20 numbers and reached 4 busy signals, 3 answering machines, and 13 people. Use this
3 answers
asked by
Rose
359 views
If you roll a die many times, what would you expect to be the relative frequency of rolling a number less than 6?
A) 2 out of 3
1 answer
asked by
Rose
438 views
A box of chocolates contains 20 identically shaped chocolates. Five of them are filled with jelly, three are filled with
3 answers
asked by
Rose
619 views
How many different four-digit numbers can be formed from the digits 0 through 9 if the first digit must be even and cannot be
1 answer
asked by
Rose
450 views
A couple plan to have exactly three children.
(a) Construct a tree diagram and list the sample space. (b) Find the probability
4 answers
asked by
Rose
1,413 views
13. (4 pts) At an annual flower show, 6 different entries are to be arranged in a row.
a) How many different arrangements of the
3 answers
asked by
Rose
489 views
14. (2 pts) How many different ways are there for an admissions officer to select a group of 7 college candidates from a group
1 answer
asked by
Rose
455 views
What is a natural Divisor?
1 answer
asked by
Donita
441 views
how to do set notation, for example
1 answer
asked by
sophia
313 views
Find the slope of the line through the points (6,9) and ( 6+n , 9+2n)
slope=
4 answers
asked by
Matt
302 views
If a circle has the diameter of 8, what is the circumference
1 answer
asked by
Debra
429 views
given at
. the distance from the earth to the sun is 1.5 * 10^11, and the mass of the sun is 1.9 *10^30 kg 1. use kepler's law of
3 answers
asked by
lou lou
476 views
convert to decimal notation. 8.03 x 10^7
5 answers
asked by
kacie
653 views
how do you integrate ln(x^2+1)dx?
3 answers
asked by
Laura
250 views
how should I integrate 1/(x^2 +1)^5
3 answers
asked by
Ann
277 views
is the integral of 1/x^2, 2x ln of the absolute value of x^2?
4 answers
asked by
Laura
251 views
how do you integrate (cos^2 x)^4
1 answer
asked by
Laura
225 views
How do you prove: If a/b, then a/bc
So far I have: Since a/b, then b=ac where c is an integer. Now where do i go?
1 answer
asked by
Laura
324 views
A camper has 3 jackets, 6 sleeping bags, and 14 different packages of food. An "outfit" consists of 1 jacket, 1 sleeping bag,
2 answers
asked by
Emma
1,030 views
how do you take the derivative of e^(x^2)?
1 answer
asked by
Laura
333 views
Using L'Hospital's Rule, find,
the limit as x approaches 0 of x^(sinx) thank you in advance to any help.
1 answer
asked by
Laura
380 views
Prove: there exists x and y for c=ax+by iff gcd(a,b)/c.
1 answer
asked by
Laura
369 views
Abby Kaminsky sold her ski house at Attitash Mountain in New Hampshire for $261,000. This sale represented a loss of 13% off the
4 answers
asked by
steve
376 views
find the integral of x^2 e^-xdx with the limits of negative infinity to zero.
so far, I have, lim as t approaches negative
1 answer
asked by
Laura
386 views
one number is 8 more than twice another. their product is 8 more than twice their sum. find the numbers
4 answers
asked by
Samantha
563 views
Maximize z=16x + 8y subject to:
2x + y<30 x +2y<24 x>0 y>0
3 answers
asked by
Al
379 views
how would you find all prime numbers that divide 50! (factorial)?
2 answers
asked by
Laura
620 views
A jet leaves a runway whose bearing is N26E from the control tower. After flying 4 miles, the jet turns 99 degrees and flies on
3 answers
asked by
Jon
2,729 views
I'm getting ready to take an exam and I have a really hard time with application problems. Is there a way to study for them?
1 answer
asked by
jill
379 views
Could you help me subtact this polynomials? (-8a^2+4a+2)-(8a+2)=
1 answer
asked by
shelly
327 views
Give the equation of the line that is perpendicular to the line y = x + 4 and passes through point (0,-1).
A) y = x - 1 B) y = x
3 answers
asked by
Ms. Betty
433 views
The formula b=34a is used in New England to estimate the minimum furnace output, b, in BTUs, for a modern house with a square
3 answers
asked by
hannah
801 views
Can someone just tell me the formula to use for this problem?
Jack is taking a four item true/false test. He decides to flip a
1 answer
asked by
Lauren
399 views
a pair of dice are rolled and the sum is recorded. What is the probability that the sum shown is 8 given that one die is showing
1 answer
asked by
Lauren
383 views
a bag contains 7 red chips and 9 blue chips. Two chips are selected randomly from the bag without replacement. What is the
3 answers
asked by
Lauren
1,884 views
solve: (3/x)/1=(7/x-20)
i keep getting different answers for this question. the last answer i got was 20 (which would make it not
4 answers
asked by
monty
323 views
Decide whether the pair of lines is parallel, perpendicular or neither.
5x+3y=4 3x+5y=5
2 answers
asked by
Rose
506 views
sam bought 1 of 250 tickets for $2 in a raffle with the prize of $400. Was $2 fair price?
Can someone show me the formula on how
4 answers
asked by
Lauren
460 views
Give a verbal, visual, numerical and graphic representation of the idea three fourths?
Can you help by explaining this to me? I'm
1 answer
asked by
sueann
432 views
Use sets to verify the following answers
a. 4+5=9 B. 0+6=6 C. 10+2+12 I want to know if I'm doing this right. please check my
1 answer
asked by
sueann
1,005 views
If a firm has fixed costs of $20,000, variable cost per unit of $.50, and a breakeven point of 5000 units, the price is?
1 answer
asked by
Terri
462 views
Indicate whether the deductive reasoning used is an example of affirming the hypothesis or denying the conclusion. 7)
If a number
2 answers
asked by
mike
553 views
To the nearest second, when wil the minute hand lie exactly over the hour hand between 2pm and 3pm?
1 answer
asked by
Mandy
374 views
hello i just want a answer in these question:
please. im begging! I. Use Newton’s method to approximate the real root to 4
6 answers
asked by
kookay
983 views
An individualpurchaseda4-year,
$10,000 promissorynotewithaninterestrateof8.5%/ year compoundedsemiannually.Howmuchdidthe note
1 answer
asked by
Anonymous
273 views
find the vertex and graph of y=.3x2+1.8x-2
1 answer
asked by
cindy
399 views
suppose that in a class of 50 students, 12 are married and 20 live at their parent's homes. two of the married students live at
1 answer
asked by
cindy
358 views
find the range of the function defined by the equation and the given domain.
f(x)=3/x-6; D={-3,0,3,9}
3 answers
asked by
kiley
854 views
how to do (y^36)12= (16n)1/2= (12x^8)1/2= 3y^12/10=
4 answers
asked by
Anonymous
287 views
Solve for x: √(2X+8)-4=2
1 answer
asked by
CANE
272 views
Solve for x: √(2X+8)-4=2
1 answer
asked by
CANE
261 views
Solve for x: √(2X+8)-4=2
3 answers
asked by
CANE
320 views
canyou help me factor x^3-x=
3 answers
asked by
Anonymous
254 views
can you help me factor 3xy@+9xy+6x=
3 answers
asked by
Anonymous
345 views
a children's store sells a toy racetrack for $94.25. The owner uses 45% mark up based on cost. What was the wholesale cost of
1 answer
asked by
Anonymous
415 views
Cindy deposited $1,000 in an account that pays 12% interest compounded quarterly. How much money will Cindy have in the account
3 answers
asked by
patrice
897 views
1.1 yards=1 meter/80 square yards sold @ $8.50 per yard=$680.00 What would this be in meters?
3 answers
asked by
Tracy
862 views
The number of seniors at Freedom High School was 421 in 2002. If the number of seniors increases at a rate 1.7% per year, how
1 answer
asked by
Moe
440 views
Suppose the eggplants at a store in Thailand are priced at 1.24 baht per kilogram, where one dollar is worth 1.37 baht. What is
2 answers
asked by
Leissa
547 views
A student makes a 10.50 purchase at the bookstore with a $20.00 bill. The store has no bills and gives the change in quarters
1 answer
asked by
Diana
458 views
(24b^3+16b^2+24b+39)/(4b+4)
1 answer
asked by
cyn
309 views
I do not understand a problem from a text book or how to solve the problem for the answer. Could shomeone show me the steps
3 answers
asked by
dave
693 views
can I email someone my test that I need help with? I could really use the help. Thanks
3 answers
asked by
Anonymous
321 views
the height (in cm) of a candle is a linear function of the amount of time (in hours) it has been burning. When graphed, the
1 answer
asked by
tracy
627 views
A sprinkler has a range of 11m and rotates with a circular motion. If the sprinkler covers the entire circular area, how many
1 answer
asked by
Anonymous
387 views
Given the situation described, identify the type of sampling involved. A parish in Louisiana is divided geographically into
3 answers
asked by
lisa
430 views
Solve. write the solution set using interval notation
9-(7x-9)is greater than or equal to sign -8(x+1)-8
3 answers
asked by
Anonymous
852 views
solve
absolute value 2x-20 absolute value=absolute value 9x+ ansolute value 15 |2x-20|=|9x+15|
2 answers
asked by
Anonymous
692 views
E08twelve + ? = 9twelve
1 answer
asked by
Devan
273 views
Base Twelve.
B08twelve + ? = 9twelve
3 answers
asked by
Devan
354 views
Please help me solve this
Find the value of k so that the polynomial Q(x)= x^3 - k^2x^2 + k(5x-9)- 12 has a remainder of 1 when
1 answer
asked by
Jen
298 views
I if a Thrifty Market has a parking lot with dimension 125 feet by 210 feet. How many square yards is that?
4 answers
asked by
Kimberly
336 views
how many grams of NaOH are needed to make a 30% w/w solution using deionized water as the solvent
1 answer
asked by
Wanda
443 views
apply the quadratic formula to find the roots of the given function, and then graph the function.
f(x) = x2 - 4 g(x) = x2 - x -
2 answers
asked by
jennie
946 views
apply the quadratic formula to find the roots of the given function, and then graph the function.
f(x) = x2 - 4 g(x) = x2 - x -
2 answers
asked by
jennie
506 views
Express (cos^2t/tan^2t) as an expression that involves only the sine function.
1 answer
asked by
Kelsey
303 views
Use the Reference Angle Theorem to find the exact value of sec(13 pi/6).
2 answers
asked by
Ian
548 views
Find the distance of the shotcut and the distance of the long way for two locations. find the number of seconds saved ( 2.1 and
1 answer
asked by
JC
402 views
You won the lottery. They will pay you 1 million dollars a year for 20 years. Assuming 10 percent interest compounded
1 answer
asked by
aj
427 views
Find the approximate (with an integral estimate) present and future values of a constant income stream of 2500 dollars per year
1 answer
asked by
aj
665 views
A business associate who owes you 3600 dollars offers to pay you 3360 now, or else pay you three yearly installments of 1200
2 answers
asked by
aj
598 views
the perimeter of some traffic sign must be 128 inches the length is 14 inches longer than its width
3 answers
asked by
tracie
544 views
is 3/11=7/19 a proportional fraction
1 answer
asked by
mick
274 views
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