Questions on Algebra: Numeric Fractions answered by real tutors!

Tutors Answer Your Questions about Numeric Fractions (FREE)

Question 45853: Can someone help me on this problem?
I need to write this fraction in simplest form:
48/66
Thanks,
Sher
Click here to see answer by Nate(3500)

Question 45856: Can someone help me solve this problem?
I need to evaluate the following:
[25 divided by (2 ^3 - 3)] . 2
Thanks,
Sher
Click here to see answer by tutorcecilia(2152)

Question 46595: A 3-foot pole casts a shadow of 9 feet. How tall is a tree with a shadow of 12 feet?

Click here to see answer by AnlytcPhil(1276)

Question 46658: Lauren found 28 children absent one day during an epidemic of chicken pox. If this was 35% of the total number of children attending the day care center, how many children attend this day care center?
Click here to see answer by adamchapman(301)

Question 46664: write as a fraction or mixed munber. 3 3/5

Click here to see answer by Nate(3500)

Question 46664: write as a fraction or mixed munber. 3 3/5

Click here to see answer by checkley71(8403)

Question 46813: Can someone help me on this problem?
-5^2 - 3
Thanks,
Sher
Click here to see answer by adamchapman(301)

Question 46988: Hi can someone show me how to simplify these please??
a.) [(1/x)+1]/(1/x) =
b.) [x/(x+y)]/x =
c.) 3x/(3x+y) =
d.) [1/(x+h)+(1/x)]/x =
i dont know that much about simplifying yet can someone please show me how to simplify these? thank!!
Click here to see answer by Nate(3500)

Question 47392: I was wondering why I hadn't gotten any response to the 5 problems I put through this morning. Are you having problems with your server or did I put them in the wrong catagory?
Please let me know so I can resubmit them.
Thanks,
Sher
Click here to see answer by elima(1433)

Question 47422: 3/4(7a+2)=10
Click here to see answer by mszlmb(115)

Question 47466: Exspress 12.5% as a reduced common fraction.
Click here to see answer by checkley71(8403)

Question 47602: A relationship among the variables A, B, and C can be expressed by the formula
A = /C
Then, correct to 2 decimal places, find A if B = 140 and C = 6.84
A. 0.91
B. 1.10
C. 1.57
D. 1.63
E. 1.84
F. 2.13
G. 2.44
H. None of these

Click here to see answer by Nate(3500)

Question 47844: Rationalize the denominator. Assume that all variables represent positive numbers and that the denominator is not zero..

Click here to see answer by gsmani_iyer(180)

Question 47988: Can someone help me with this problem?
4 x (3 + 2) = (3 + 2) x 4
I also need to identify the property that is used.
Thanks,
Sher
Click here to see answer by 826136(1)

Question 47987: Can someone help me with this problem?
5 + (6+7) = 5 + (7 +6)
I also need to identify the property that is used.
Thanks,
Sher
Click here to see answer by Nate(3500)

Question 48061: I need to find out the total amount of sales. My sales tax of 6% = $2,357.10.
What formula is used?
Thank you.
Click here to see answer by tutorcecilia(2152)

Question 48049: solve for x 1/X-1/y=3
Click here to see answer by Nate(3500)

Question 48225: what is a recipical?
Click here to see answer by stanbon(57223)

Question 48313: When you divide a number by 0 - is it 0 or not solveable?
When you divide a number into 0 - is it 0 or not solveable?

Click here to see answer by pizza(14)

Question 48556: i need help with adding,subtracting,and multiplying fractions
Click here to see answer by Nate(3500)

Question 48570: I need help solving this problem,
a^2-b^2 \ a^2-3ab-2b^2
____________ ____________
a^2-4ab+4b^2 \ a-2b
So far i have been able to complete the following
a^2-b^2 * a-2b
____________ _____________
a^2-4ab+4b^2 * a^2-3ab-2b^2

i know i have to start eliminating like terms, but the bottom equations are whats throwing me off with the last terms having ^2. I'm not sure how to work this.
Click here to see answer by stanbon(57223)

Question 47320: Can someone help me on this problem?
I need to evaluate this expression if a = -2, b = 5, c = -4, and d =6.
4b + 5d - c/a
Thanks,
Sher
Click here to see answer by tabi(3)

Question 48864: 2/x + 7 + 1 = 9/ x + 7

Thanks
Click here to see answer by Nate(3500)

Question 48906: please help me solve this equation
Click here to see answer by Nate(3500)

Question 48910: CAN YOU PLEASE EXPLAIN THIS TO ME.
5 + 12 = 12 + 5
Click here to see answer by checkley71(8403)

Question 48995: 9 1/3-7 3/4=?
Click here to see answer by tutorcecilia(2152)

Question 49134: I need help multiplying fractions by negative whole numbers, 2/3(-3)
Click here to see answer by longjonsilver(2297)

Question 49256: My son is starting Algebra 1 and I'm having trouble remembering how to do one concept. Here's the problem:
(2/3)/x = (5/8)/(1/5)
These are fractions divided by fractions. Is my understanding right to multiply by the reciprocals and then cross multiply or should we start off cross multiplying? The first way we ended up with 16/75 and the second way we ended up with 75/16. It's got me perplexed....Thanks for any help you can give.

Click here to see answer by Earlsdon(6287)

Question 49366: covert the mixed number to an improper fraction 5 4/7
Click here to see answer by Nate(3500)

Question 49436: A teacher assigned homework and told the student that on each day after the first, they must complete twice the number of problems that they had done so far. if at the end of five days the students had completed one-third of the problems, how longs will it take them to complete the total assignment?
Click here to see answer by Born2TeachMath(20)

Question 49713: How can I change a decimal(0.4) into a fraction or mixed number in simplest form?
Click here to see answer by pwac(253)

Question 49760: I need help dividing fractions with whole numbers. I know how to divide fractions when they are combined with whole number ex: 3 3/5 divided by 5/8 but I do not know how to divide 3/5 by 5.
Click here to see answer by checkley71(8403)

Question 49807:
Click here to see answer by gsmani_iyer(180)

Question 49883: Fractions are a big downfall for me. Any help?
Change the fraction 4/13 to a decimal equivalent rounding three decimal places.
Click here to see answer by stanbon(57223)

Question 50278: x/3=1/6 I know the answer is 1/2 but cannot explain the process to my son. Pls help with steps I am old!
Click here to see answer by stanbon(57223)

Question 50348: how would you convert 2 11/30 into a decimal?
Click here to see answer by stanbon(57223)

Question 50312: t+3/4=6
Click here to see answer by tutorcecilia(2152)

Question 50486: (y+2) (y-3)=6
3a^2=14a+5
x(a-3)-y(3-a)
22z-9z^2-z3
a^4+a^3-72a^2
Click here to see answer by stanbon(57223)

Question 50518: define: (x^2-9/x+2) this divided by (x-3/x-2)I need to define it. Please let me know how to do it. thanks.
Click here to see answer by stanbon(57223)

Question 50758: What is the domain of the function f(x) = x^(1/2) ?
a. all real numbers
b. all real numbers except x = 0
c. all real numbers except x = 1
d. all real numbers except x = -1 and x = 1
e. all non-negative real numbers
f. none of these
Click here to see answer by stanbon(57223)

Question 50924: 2a+3b/3a - a-2b/4b + a^2+b^2/ab
Click here to see answer by darq(90)

Question 50923: ax/2b - c/3d + x =1
Click here to see answer by tutorcecilia(2152)

Question 51052: a man weighs 5\6 th his weight plus 30 pounds what is his weight? please help asap i need this tomorrow
Click here to see answer by junior403(76)

Question 51052: a man weighs 5\6 th his weight plus 30 pounds what is his weight? please help asap i need this tomorrow
Click here to see answer by checkley71(8403)

Question 51052: a man weighs 5\6 th his weight plus 30 pounds what is his weight? please help asap i need this tomorrow
Click here to see answer by Earlsdon(6287)

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