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Question 372016: why is square root always a positive number and not a negative?
Click here to see answer by Alan3354(30993)

Question 372115: Solve for y: 1/x = 2/y + 1/z
Click here to see answer by ewatrrr(10682)

Question 372191: 2% of the containers made by a manufacturer are defective. If 750 of the containers are inspected, how many can be expected not to be defective?
Click here to see answer by solver91311(16885)

Question 372198: d=?r=55mi/h,t=3h
Click here to see answer by rfer(12657)

Question 372272: Hamburgular stole two fifths of ronald McDonald hamburgers .of the remaining hamburgers ,five sixths were still warm.if Ronald McDonald had 7 cold hamburgers left how many did Hamburgular steal?
Click here to see answer by rfer(12657)

Question 372397: the inside of a mircowave oven has a volume of 1.2 cubic feet and measures 18in. wide and 10 in. long. Using the formula V=lwh, find the depth of the microwave to the nearest tenth of an inch.
Click here to see answer by user_dude2008(1861)

Question 372639: 683÷8
Click here to see answer by rfer(12657)

Question 372593: What is p/3=3 1/4
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Question 372886:
Click here to see answer by robertb(4012)

Question 372990: Analee earns $45 for every 5 hours of work. How much money can she earn for h hours of work?
Click here to see answer by robertb(4012)

Question 372990: Analee earns $45 for every 5 hours of work. How much money can she earn for h hours of work?
Click here to see answer by mananth(12270)

Question 366019: Please help me solve this equation:
For which values of t is the curve , concave upward?
Click here to see answer by robertb(4012)

Question 373184: a=3b-c, for b
Click here to see answer by Fombitz(13828)

Question 373249: i am a multiple of 5 and 10
i have 12 factors
the sum of my digit is 6
ring me
Click here to see answer by JBarnum(2044)

Question 373377: if there are 18 quarts thats 65% water how many more quarts do you need to be 80% water
Click here to see answer by robertb(4012)

Question 373378: I need help studyin.Can you help?
Click here to see answer by robertb(4012)

Question 373411: If a watch is normally $40 and on sale 20%off
Click here to see answer by fractalier(2101)

Question 373449: Roberto built a model racecar that is 3 inches long and has a scale of 0.5inches = 2 feet. he determined that the real car must be 3•2 or 6 feet long. is this correct? explain
Click here to see answer by fractalier(2101)

Question 373516: Hi im in 9th grade, and my grade in algebra is a D. I reallly need help :(
Click here to see answer by robertb(4012)

Question 373486: Is 6/11 greater than 6
Click here to see answer by dianitaa_328(8)

Question 373549: Solve by completing the square.

Click here to see answer by robertb(4012)

Question 373498: Erin's test scores were consecutive odd integers. If her next test score is 18 points more than the highest score of the three tests, her total number of points will be 328. Find all four of Erin's test scores
Click here to see answer by robertb(4012)

Question 373550: Solve by completing the square.

Click here to see answer by josmiceli(9676)

Question 373546: Solve by completeing the square

Click here to see answer by Jk22(389)

Question 373616: Factor out the greatest common factor from the following.
6x^5 - 10x^4
Click here to see answer by nerdybill(6958)

Question 373617: Factor out the greatest common factor from the following.
35x^3 + 28x^5
Click here to see answer by ewatrrr(10682)

Question 373615: Factor the greatest common factor.
9a^2b^2c^2 + 3ab^2c - 24a^2bc^2
Click here to see answer by ewatrrr(10682)

Question 373613: Factor out the greatest common factor from the following.
10x^4y^2 + 70x^3y^3 - 50x^2y^4
Click here to see answer by ewatrrr(10682)

Question 373614: Factor out the greatest common factor from the following.
-7x^2y - 14xy^2 - 70x^2y^2
Click here to see answer by ewatrrr(10682)

Question 373612: Factor out the greatest common factor from the following.
8x^3 - 48x^2 + 40x
Click here to see answer by ewatrrr(10682)

Question 373611: Factor out the greatest common factor from the following.
63a^2b - 35ab^2
Click here to see answer by ewatrrr(10682)

Question 373660: Short Answer: Simplify the following expression; express in terms of i.

Click here to see answer by ewatrrr(10682)

Question 373720: 30/100*2/5=3/25
Click here to see answer by Fombitz(13828)

Question 373821: can you solve this without log? if yes, how do u solve this?
a sequence t1, t2, t3, ... is defined by t1= 1000 and tn= 1.06tn-1, where n is a positive integer and n>_ 2. find the smallest value of n such that tn>3000
Click here to see answer by robertb(4012)

Question 373891: 9-2/5k=1
Click here to see answer by Fombitz(13828)

Question 373890: Your question goes here. Write clearly! We are not mind readers, so be sure to ask a question that we can understand.
Click here to see answer by Fombitz(13828)

Question 374006: In a chemistry labratory the concentration of one solution is 10% HCl and that of a second solution is 60% HCl. How many milliliters of each should be mixed to obtain 50 ml of a 30% solution?
Click here to see answer by SadieKhan(31)

Question 374010: The product of two consecutive integers is 210 find the integers
Click here to see answer by solver91311(16885)

Question 374014: Problem solving using a system of two equations
Click here to see answer by Alan3354(30993)

Question 374016: Evaluate the expression without using a calculator.
log9(9^12)
a.21
b.9
c.12
d.log912
Click here to see answer by Alan3354(30993)

Question 374137: If you know the mean is 6 and the sum of the scores is 48. What is n?

Click here to see answer by rfer(12657)

Question 374137: If you know the mean is 6 and the sum of the scores is 48. What is n?

Click here to see answer by jim_thompson5910(28595)

Question 374138: If the mean equals 235 and n=29. What is the standart deviation?
Click here to see answer by jim_thompson5910(28595)

Question 374015: Find the accumulated value of an investment of $17,000 at 6% compounded annually for 6 years.
a.$22,749.83
b.$24,114.82
c.$23,120.00
d.$22,100.00
Click here to see answer by rfadrogane(214)

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