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Question 5075: one side of a triangle is 1 ft longer then the shortest side, and the third side is as long as the shortest side. If the perimeter is less than 25 ft what is the range of the shortest side?
A= 1/2 ab
-25= 2a -1/2b = c+ 1

Click here to see answer by rapaljer(3625)

Question 5192: As treasurer, Anthony decided to invest $600 collectd in club dues. Part was invested in 3% account for immediate access with the rest in a long term 7 1/4% account. If the interest for 1 year was $26.50, how much was invested at 7 1/4%
O.K. I am stuck again - here is my best effort
0.03x + 0.0725(600-x)= 26.50
.003x + 43.50 - 0.0725= 26.50
0.0425x=17.00
x=400
This is not the answer my book has. Please tell me what I did wrong and what answer you get.
Thank you very much
Click here to see answer by rapaljer(3625)

Question 5309: A chemist has 20 liters of a solution which is 35% salt. How much water must be added to make the solution 28% salt.
My calculations are not given me the answer that my book has. Please help me.
.35(20x) = .28(20+x)
7.0x=5.6+.28x
-.28x=5.6
6.72x=5.6
x=1.2 or 5
Am I correct?
Thank you

Click here to see answer by rapaljer(3625)

Question 5821: how do i solve this problem we are 2 numbers between 250 and 350 5 is one of our factors but not 10the sum of our digits is the same.
Click here to see answer by longjonsilver(2297)

Question 6015: 3x+2y=23
Click here to see answer by Abbey(339)

Question 6619: if the sides of the triangle are 5.21 and 9.13 on a right triangle than what is the measurement of the other side.
Click here to see answer by Mike(39)

Question 6763: I need help solving this word problem:
The sum of two numbers is 10. Their product is -24. Find the numbers. Write a complete solution
Click here to see answer by Earlsdon(4900)

Question 7634: Hi I am having trouble with this problem: The directions say to multiply
5x(-3x^4+4x)
Thank you for your help
Click here to see answer by arunpaul(104)

Question 8608: how would I factor the equation (c + 3)^2 - 49
Click here to see answer by jainenderkapoor(60)

Question 8608: how would I factor the equation (c + 3)^2 - 49
Click here to see answer by rapaljer(3625)

Question 9408: I need to determine a relationship between the height that a ball is dropped to the height that the ball bounces.
The material that I am using is a tennis ball.
What should my hypothesis be (Using an If---Then statement) Hint: Cause and effect?
Click here to see answer by huntingmaster325(15)

Question 10155: How to solve this equation?

4(n+3)=2(6+2n)
Click here to see answer by khwang(438)

Question 10155: How to solve this equation?

4(n+3)=2(6+2n)
Click here to see answer by roxy9229(32)

Question 11215: what is the square root of -4 equal to?
Click here to see answer by Earlsdon(4900)

Question 11261: 3x+5=7x+3
Click here to see answer by roxy9229(32)

Question 11502: a book club promises to send 8 books for $1, if you join the club. after you recieve 8 books, you may select more books at a rate of $19.99 per book. if you spend a total of $80.96, how many extra books did you purchase
Click here to see answer by askmemath(368)

Question 4379: I need to know what Math 111 is? Is it some sort of algebra or geometry. I was thinking about taking this college course in my college prep school. I just wanted to know what I was getting into.
Click here to see answer by AdolphousC(70)

Question 10017: for this aint a math question but want to know. for I am a tutor just like you started say a week ago and each time I get on my score drops. wondering why. for look at others and theres dont drop.
Click here to see answer by longjonsilver(2297)

Question 13303: X * y=356
but y is +10 more than x
Click here to see answer by bam878s(76)

Question 5130: My question is 2 parts i solved the first part easy but the wecond part is got me stuck
The growth of a population of bacteria can be bodelled using the function P=2xe^-x where x is measured in hours and p is in millions
a) find the maximum population and when it occurs - i got 735,758 after 1 hour i think this is right
b) verify your value by finding the derivative and evaluating the maximum value - im not too sure how to do this and i cant figure out the derivative
if u could help me that would be sooo good thanks
Click here to see answer by khwang(438)

Question 13436: This problem was on my practice test, and I'm confused as to how to do it..

For "n"
I don't even know where to begin...
Thanks in advance!
Click here to see answer by rapaljer(3625)

Question 13583: -3/8+7/8=
Click here to see answer by rahman(247)

Question 13581: How do you show that the number is rational by writing it as a quotient of two integer?
Click here to see answer by longjonsilver(2297)

Question 13664: why is something raise to the power zero equal to one.
for example
3^0=1

prove it .
Click here to see answer by longjonsilver(2297)

Question 14251: I have a quiz tomorrow and I have a question that I can't figure out what the equation is, Tech High School surveyed it's freshmen and found that three fourths of the freshmen own an iPod. If 240 freshmen have iPods, how many freshmen attend Tech High?
Click here to see answer by Earlsdon(4900)

Question 14254: on my test i have this question which i dont understand and i need some help please on doing the equation
tickets to the prom are $25.50. If $4590 is collected from ticket sales,how many tickets were sold?
thanks

Click here to see answer by gsmani_iyer(161)

Question 14585: how many minutes is 3/10 of one hour?
Click here to see answer by Earlsdon(4900)

Question 14589: knowing one kilo = 2.205 pounds. how many kilos is 100 pounds?
Click here to see answer by Alwayscheerful(414)

Question 14587: knowing a gallon = 3.785 liters, how many gallons is 200 liters?
Click here to see answer by Alwayscheerful(414)

Question 14587: knowing a gallon = 3.785 liters, how many gallons is 200 liters?
Click here to see answer by rahman(247)

Question 14586: knowing centigrade = 5/9 (farenheit -32) how many degrees centigrsde is 212 degrees farenheit?
Click here to see answer by Alwayscheerful(414)

Question 14752: 7+3c=-11
Click here to see answer by rahman(247)

Question 14854: Is the product of three negitive numbers a negitive number or a positive number?

Is the proudct of four negitive numbers a negitive number or a positive number?
Click here to see answer by jb007mi6(53)

Question 14989: what does B.O.D.M.A.S. or B.E.D.M.A.S. mean?

Click here to see answer by gsmani_iyer(161)

Question 14989: what does B.O.D.M.A.S. or B.E.D.M.A.S. mean?

Click here to see answer by Earlsdon(4900)

Question 15374: a friend has trouble simplifing 20-(-38).Explain how to solve this problem
Click here to see answer by rapaljer(3625)

Question 15344: May you help me put this expression in a complex number in standard form?
4-2i
___
3+4i
Click here to see answer by rahman(247)

Question 10023: How do I get the algebra book on the internet from this website. All I want to do is view it.
idk
Click here to see answer by Dont_Understand(8)

Question 15816: I'm a student in Middle school and I have a 8.0 grade point average which means I have a 8th grade average in the 7th grade. But why didn't I get into Pre Algebra?
Click here to see answer by rapaljer(3625)

Question 15875: Pencils cost 25 cents a piece. Pens cost 80 cents a piece. Susan spent 20 dollars for a total of 36 pens and pencils. How many pencils did she buy?

And:
The ratio of two numbers is 8 to 5. the difference of the numbers is 24. what are the numbers?
Click here to see answer by sbasics2005(1)

Question 15871: After the storm, the number of destroyed flowers was 240 percent more than before the storm. If 68,000 flowers were destroyed after the storm, how many had been destroyed before the storm ?
Click here to see answer by pwac(251)

Question 16796: hey like what are even numbers cause i'm confused, because my eacher said our homework is pg.148 2-68 even.so tell me what even numbers are.
Click here to see answer by rapaljer(3625)

Question 17430: {x-5}=10
Click here to see answer by lainey(7)

Question 18529: solve the equation3(x-1)-2(2x)=-6
Click here to see answer by piglet162431(90)

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