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Question 278397: Each year, my student’s Mike’s kazoo collection appreciates (goes up in value) 10%. Mike says that after 10 years, the value will double. How do you respond?

Click here to see answer by richwmiller(9135)

Question 278430: A student says that repeating decimals can not be multiplied together. How do you respond?
Click here to see answer by jim_thompson5910(28595)

Question 278616: The number obtained from the last nonzero digits of 90! is equal to n, what is n?
Click here to see answer by richwmiller(9135)

Question 278810: A student wants to know how many integers between 1 and 1000 are a multiple of 4 or a multiple of 5. She wonders if it is correct to find the number of those integers that are multiples of 4 and add the number of those that are multiples of 5. How do you respond?
Click here to see answer by Theo(3464)

Question 278808: A student says that the square root of 25 equals –5. How do you respond?
Click here to see answer by stanbon(57346)

Question 279106: i have 3 digits, i am a palindrome, i am a multiple of 2. the product of my digits is smaller than my sum

Click here to see answer by Grinnell(63)

Question 280149: x + y = 47
y + z = 62
x + z = 51 these are in one big braket together.
solve it please i'm in algebra 1 working on linear combinations and substituions.
Click here to see answer by solver91311(16885)

Question 280387: how long would it take you if you was driving 70 miles per hour an had to go 630 miles
Click here to see answer by Alan3354(30993)

Question 280476: a student claims that two terms are for enough to determine any sequence. for example 3,6,... means the squence would 3,6,9,27,12,15,...how do you respond?
Click here to see answer by user_dude2008(1861)

Question 280940: What are the points of discontinuity in this relation: 1 / (x^3 - 4x^2)
[btw i put it under test cuz idk were this would actually go under]
Click here to see answer by Theo(3464)

Question 281032: If p > 0, which of the following is equal to √48p3
A. 4p√3p
B. 3p√4p
C. 2√12p
D. 3√8p
E. 16p√3p
Im not looking for an ANSWER I'm looking for a way to SOLVE the problem
Please Help me
Thank you
Tania
Click here to see answer by brucewill(101)

Question 281396: 35in television set has width of 28inches. What is its height? (35in. refers to diagnol of screen).
Help would be appreciated:)
Click here to see answer by Mathematicians(84)

Question 281429: (d+2) / [( d^2 - 4)/(2d^2)]
thanks
Click here to see answer by mananth(12270)

Question 281430: (c^2 - 5c + 6) / (c^2-9/2c^2)
Click here to see answer by mananth(12270)

Question 281428: Please simplify complex fraction
(3/s - 1/t) / (1/2st)
Thanks for the big help
Click here to see answer by edjones(7569)

Question 281433: simplify complex fractions
(-a+b/3ab) / (a-b/2ab)
many thanks
Click here to see answer by dabanfield(803)

Question 279762: A young equestrian loved to ride her horse all day long, dreaming of the day she would ride in the Kentucky Derby. One day in early April, she left home at 10:00 a.m. and rode her stallion at a nice, steady 10 miles per hour away from her house. At noon a call came in from the Derby saying she was in. Her father immediately jumped on his scooter to try and track her down and tell her the good news.
Riding at a breezy 15 miles per hour, after how many hours on the scooter will her father catch up to her?
Click here to see answer by richwmiller(9135)

Question 281597: The average of 11 numbers is 21 . The average of seven of those numbers is 25. What is the average of the remaining four numbers?

Please show me step by step how to solve this problem
Thanks
Click here to see answer by Alan3354(30993)

Question 281599: Which of the following is equivalent to 6x 2 + x - 12 ?
A. (2x + 3)(3x - 4)
B. (2x - 3)(3x - 4)
C. (2x + 3)(3x + 4)
D. (6x + 3)(x - 12)
E. (x + 3)(2x - 12)
Please show me step by step how to solve this problem
Thanks
Click here to see answer by jim_thompson5910(28595)

Question 281593: When the first equation is solved we obtain the value of x as 3, when 3 is substituted in the second equation, its value is 10, hence only option A is correct.
4(3x - 3) = 24 or 12x - 12 = 24 or 12x = 36 or x = 3
5x - 5 = 5 * 3 - 5 = 15 - 5 = 10

Please show me how to solve the question
step by step
Thank you
Click here to see answer by richwmiller(9135)

Question 281845: I had this mixture problem on a quiz and its really hard. If i'd pulled out 10 hairs for each time i tried again, i'd be bald. Can someone help me with it? It is a mixture problem which is:
One solution is 80% acid and another one is 30% acid. How much of each solution is needed to make a 200L solution that is 62% acid?
I really need help with this so someone please answer it please! Thanks in advance!
Click here to see answer by nerdybill(6958)

Question 281839: 12. A car travels a distance of 250 miles, 700 miles and 325 miles at the rate of 50 miles/hr, 35 miles/hr and 13 miles/hr respectively.Find the average speed of the car in miles/hr.
A. 30
B. 25.5
C. 42.5
D. 13
E. 50

Hello!
Can you please show me step by step how to solve the answer.
Thank you
Tania
Click here to see answer by mananth(12270)

Question 281841: 13. By which of the following number is 98765432 exactly divisible?
A. 9
B. 7
C. 5
D. 8
E. 11

Hello!
Can you please show me step by step how to solve the answer.
Thank you
Tania
Click here to see answer by nabla(475)

Question 281830:
Click here to see answer by richwmiller(9135)

Question 281995: basic statistics: A box contains 18 transistors of which 3 are defective. If sample three of the transistors, Find the probability that we would find exactly 1 defective transistor. And find the probability that we would find at least 1 defective transistor.
Click here to see answer by solver91311(16885)

Question 282537: If x, y and z are three consecutive odd integers such that 10< x < y < z<20 and if y and z
are prime numbers, what is the value of x + y?
If you can please guide me step by step what to do to solve this problem
I would really appreciated.
Click here to see answer by jim_thompson5910(28595)

Question 282541: If p > 0, which of the following is equal to √48p^3
A. 4p√3p
B. 3p√4p
C. 2√12p
D. 3√8p
E. 16p√3p
Please Help me what to do step by step.
Click here to see answer by jim_thompson5910(28595)

Question 282545: If 40% of x is equal to 30% of y, what % is x of y?
Please Help me solve this problem step by step.
Click here to see answer by JBarnum(2044)

Question 282545: If 40% of x is equal to 30% of y, what % is x of y?
Please Help me solve this problem step by step.
Click here to see answer by richwmiller(9135)

Question 282551: Which of the following is equivalent to 6x^2 + x - 12?
A. (2x + 3)(3x - 4)
B. (2x - 3)(3x - 4)
C. (2x + 3)(3x + 4)
D. (6x + 3)(x - 12)
E. (x + 3)(2x - 12)
Please show me how to solve this problem.
Click here to see answer by user_dude2008(1861)

Question 282552: Find the perimeter of the square in which a circle of area 81 pi is inscribed.
How can I find that? Please show me.
Click here to see answer by user_dude2008(1861)

Question 283048: I need help with this quiz problem:
Is x=|y|-1 a function? What is the domain and range?
I know this sin't a function, i just need help with the domain and range part.
Click here to see answer by user_dude2008(1861)

Question 283120: make x the subjects of:
x+y=w
Click here to see answer by richwmiller(9135)

Question 283189: Jeremy caught 8 fish in a contest.
The mean weight of the fish was 4.45kg.
He forgot to make his own record of the weight of the last fish,but the first 7 were:
4.1kg
5.4kg
6.9kg
2.4kg
3.9kg
4.4kg
4.6kg
What was the weight of the last fish?
Click here to see answer by richwmiller(9135)

Question 283016: Can somebody help me solve this problem?
Solve: x-2/5 x y=-2
3x+2y = 0
solve for x and y.
Click here to see answer by Alan3354(30993)

Question 283344: Question 1: I start with 8.I add -2 then take away -6. What do I get?
Question 2: What do you get if you add 3*-6 and -7*-10?
Answer clear and readable please.
Click here to see answer by Theo(3464)

Question 283689: The width of a rug is 3 feet shorter than it's length. if the area of the rug is 108 square feet, what are the dimensions of the rug?

Click here to see answer by mananth(12270)

Question 283721: solve for x given BD= 3x + 3 and AE= 4x + 7. Assume B is the midpoint of AC and D is the midpoint of CE
Click here to see answer by jim_thompson5910(28595)

Question 283917: sec x - sin x tan x = cos x
Click here to see answer by solver91311(16885)

Question 284026: Hi there, I was wondering if I could get help with this calculus question:
compare and contrast d/dx and d/dy of the function 4sinx.
Thanks!
j
Click here to see answer by user_dude2008(1861)

Question 284654: university theater sold 444 tickets for a play. Tickets cost $20 per adult and $15 per senior citizen. If total receipts were $7345, how many senior citizen tickets were sold?
Click here to see answer by nyc_function(2733)

Question 285169: If a 12 foot tree casts a shadow that is 9 feet long, what is the distance from the height of the tree to the tips of the shadow?
Click here to see answer by stanbon(57346)

Question 285170: evaluate given function for f(3) and f(-2) f(x)=x^2+4x-1
Click here to see answer by eggsarecool(46)

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