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Question 844665: thank you in advance need help with pharmacy math...PLEASE SHOW WORK STEP BY STEP.
Question: What volume of 24% citric acid is needed to prepare eight 3 ounce bottles of 10% citric acid solution?
Click here to see answer by josgarithmetic(39617)

Question 844697: thank you in advance need help with my pharmacy math....PLEASE SHOW WORK STEP BY STEP...
Question: How much of 90% ethanol must be mixed with 10% ethanol to make 1 pint of a 40% ethanol solution?
Click here to see answer by Alan3354(69443)

Question 844705: thank you in advance need help with pharmacy math...PLEASE SHOW WORK STEP BY STEP.
Question: How much of 90% ethanol must be mixed with 10% ethanol to make 1 pint of a 40% ethanol solution?

Click here to see answer by Alan3354(69443)

Question 844688: thank you in advance need help with my pharmacy math...PLEASE SHOW WORK STEP BY STEP....
Question: The doctor writes a prescription for Na Heparin 20,000 units in 500 ml N.S. Infuse over 8 hours. The administration set delivers 60 drops/ml. What is the flow rate in drops/min?
Click here to see answer by josgarithmetic(39617)

Question 844883: a music player is on sale for 15% of the original price the sales price is $170 what is the regular price of the music player answer
Click here to see answer by Cromlix(4381)

Question 844684: in a class of 33 students,if the probability of passing a specific test is point 783, what is the probability of not passing this test?
Click here to see answer by Fombitz(32388)

Question 844982: Can someone help me find the order pair that both are solutions??
2x+4y=-6
A. (-3,0) and (-1,-2)
B. (-3,0) and (-1,-1)
C. (0,-3) and (1,-2)
D. (0,-3) and (-1,2)
Pleas help me!
Click here to see answer by Fombitz(32388)

Question 844359: Show that f(x)= |x^2 -4| has a limit at x= -2 but is not differentiable at x= -2, using limits.
Click here to see answer by Fombitz(32388)

Question 845055: thank you in advance need help with pharmacy math...PLEASE SHOW WORK STEP BY STEP
Question; How many tablets should be dispensed, given the following order: Cephalexin 250 mg tabs; sig 0.5g qid X 10 days?

Click here to see answer by ewatrrr(24785)

Question 845472: Evaluate 3x + |5 - x| for x = 5. In the form of a paragraph, explain in complete sentences the steps necessary to evaluate the expression and include the final answer in your explanation. Complete your work in the space provided or upload a file that can display math symbols if your work requires it.
Click here to see answer by Fombitz(32388)

Question 845621: A rectangle with sides of length a and a-9 has the same perimeter as a triangle with sides of length a+9, a+7, and a-2. Find the perimeter of the rectangle
Click here to see answer by ewatrrr(24785)

Question 845732: HELP! Decide which ordered pair is a solution of the system.
4x+3y=-7
5x+9y=-7
A. 1, 2/3
B. 1, -7
C. 0, -4/7
D. -2, 1/3
Click here to see answer by Alan3354(69443)

Question 845736: Can someone help me understand this please?
Solve each system by substitution. State the x-value of the solution.
x+4y=11
2x-5y=-4
A. -3 B. -2 C. 2 D. 3
Click here to see answer by ankor@dixie-net.com(22740)

Question 845641: There are 3 parts to this questions. I have been stuck on this question for a long time. PLEASE HELP!!
A storage tank contains a radioactive element with a half-life of 6500 years. Let f(t) be the percentage of the element that remains at t years since it was placed in the tank.
Question A: Find an equation of f.
Question B: What percentage of the element will remain after 100 years?
Question C: What percentage of the element remains after 26,000 years? [NOTE: this result could be found using the equation of f, but we'll use a different approach to find the percentage].
PLEASE HELP ME SOLVE THIS PROBLEM!!! and PLEASE SHOW WORK SO I CAN UNDERSTAND IT!
Thanks!!
Click here to see answer by KMST(5328)

Question 846024: A liquid Loaded on a cargo tank measuring 6.0 meter*4.5 meter*3.0 meter, weights 4 metric tons. what is liquid density? please show us step by step how to calculate and show us formula solutions ? thanks Sir/Mam GOD Bless.
Click here to see answer by rothauserc(4718)

Question 846023: A liquid Loaded on a cargo tank measuring 6.0 meter*4.5 meter*3.0 meter, weights 4 metric tons. what is liquid density? please show us step by step how to calculate and show us formula solutions ? thanks Sir/Mam GOD Bless.
Click here to see answer by Fombitz(32388)

Question 846122: help,how do I do this example,i've seen the answer is -8 1/3,but how does it get to it,i don't get it, the example is -1 1/4x 6 2/3,i just don't get it,if somebody answers me fast,i would like to know the procedure as well
Click here to see answer by Fombitz(32388)

Question 846532: PLEASE HELP ME!
Revenues from an electronic device are shown in the table. Let P be the revenue (in millions of dollars) from sales of the device in the year that is t years since 2000.
Year Revenue (millions of dollars)
2000 1.24
2001 1.12
2002 0.83
2003 0.73
2004 0.64
Question A: Find an approximate equation h(t)= ab^t of the exponential curve that contains the points (0,1.24) and (4,0.64).
Question B: Find the exponential regression equation.
Question C: Use r to estimate the percentage rate of decay of revenues from the electronic device.
Question D: Use r to estimate the revenue from the electronic device in 2012.
PLEASE HELP ME TO SOLVE THE PROBLEM! I HAVE BEEN STUCK ON THIS PROBLEM FOR A LONG TIME! AND PLEASE SHOW WORK, SO I CAN UNDERSTAND IT!!
THANK YOU SO MUCH!!
Click here to see answer by Fombitz(32388)

Question 846560: PLEASE HELP ME!
THERE ARE 4 PART OF THE QUESTIONS TO THIS PROBLEM.
Revenues from an electronic device are shown in the table. Let P be the revenue (in millions of dollars) from sales of the device in the year that is t years since 2000.
Year Revenue (millions of dollars)
2000 1.24
2001 1.12
2002 0.83
2003 0.73
2004 0.64
Question A: Find an approximate equation h(t)= ab^t of the exponential curve that contains the points (0,1.24) and (4,0.64).
Question B: Find the exponential regression equation.
Question C: Use r to estimate the percentage rate of decay of revenues from the electronic device.
Question D: Use r to estimate the revenue from the electronic device in 2012.
PLEASE HELP ME TO SOLVE THE PROBLEM! I HAVE BEEN STUCK ON THIS PROBLEM FOR A LONG TIME! AND PLEASE SHOW WORK, SO I CAN UNDERSTAND IT!!
THANK YOU SO MUCH!!
Click here to see answer by Fombitz(32388)

Question 846803: The perimeter of a rectangular garden is feet. If the width of the garden is feet, what is its length?
Click here to see answer by pmesler(52)

Question 840705: 1. Differentiate f(x) = {square-root of [(x-1) divided by (x+1)]}.
2. Differentiate (2y-x)^6 + x^3 = y = 3.
3. Evaluate the derivatives of the function at the point
3x^3y^2 - 2y3 = -3; (1,2). thank you so much.
Click here to see answer by AnlytcPhil(1806)

Question 846954: Use the table below. Half of the students that made an A failed the last test and now have a B. What percent of the class now has a B average in math class?
Average in Math

Number of Students
Average in Math Number of students
A 8
B 12
C 5
D 4
E 3

Click here to see answer by Fombitz(32388)

Question 847001: Can someone help me write the equation 2/3y=1/9x+2 in standard form?

Click here to see answer by josmiceli(19441)

Question 847109: Prove that the sum of the cubes if two numbers is odd if and only if one of the numbers is even and one is odd.
Click here to see answer by richard1234(7193)

Question 847462: PLEASE HELP ME!!
The number of cremations in a country have increased steadily since 1980. Let p=f(t) be the percentage of bodies that are cremated at t years since 1980.
Year Number of reported cases
1980 9.6
1985 13.5
1990 16.9
1995 20.8
2000 26.1
2006 33.4
Question: Find an equation of f(t).
PLEASE SHOW ME HOW YOU GET THE ANSWER ON THE CALCULATOR!
PLEASE HELP ME! THANKS!
Click here to see answer by swincher4391(1107)

Question 847471: Ratio of english books to maths books is 3:5.If the number of english books is 630 find the total number of books
Click here to see answer by swincher4391(1107)

Question 847501: Is there a real number for x such that-
cosec(x) = sin(1/x)
Click here to see answer by swincher4391(1107)

Question 847525: A cube with edge of length 4cm is divided into 8 identical cubes. How much greater is the combined surface area of 8 smaller cubes than the surface area of the original cube
Click here to see answer by Alan3354(69443)

Question 847707: thank you need help with my pharmacy math....PLEASE SHOW ALL WORK STEP BY STEP

Question: What is the full price of 90 tablets of "Drug Y", assuming your cost for 500 tablets is $425.00 with a 28% markup and a dispensing fee of $4.85 ?

Click here to see answer by rvfer(117)

Question 848000: I need help on this equation please.
Write the equation 2/3y=-4/5x+2 in standard form.
THank you!
Click here to see answer by Fombitz(32388)

Question 847998: Can someone help me find the two ordered pairs please?
2y+1=7
A. (1,3) and (-4,3)
B. (3,5) and (3,-8)
C. (3,-3) and (-5,-3)
D. (-3,-4) and (-3,1)
Click here to see answer by Fombitz(32388)

Question 848276: A scientist needs 60 liters of a 60% acid solution. He currently has a 40% solution and a 70% solution. How many liters of each does he need to make the needed 60 liters of 60% acid solution?
Click here to see answer by josgarithmetic(39617)

Question 848358: he ratio of adults to girls to boys on a trip was 1:4:5. if the trip includes 6 more boys than girls, how many adults were with the group?
Click here to see answer by josmiceli(19441)

Question 848471: 1. if two dies are toced together what is the probability of having sum of 5 as the outcome 2.if two dies are toced together, what is the probability of having equal outcome 3.
Click here to see answer by ewatrrr(24785)

Question 848586: How do you find the volume of a cone with a diameter of 9 and a height of 21?
Click here to see answer by Alan3354(69443)

Question 848741: Please help me on this:i am learning proportion and this is my question:what is 15% of 110? And now i dont know what to do.
Click here to see answer by josgarithmetic(39617)

Question 848781: The perimeter of a triangle is 32 feet. The second side is twice as long as the first. The third side is 2 feet longer than the second side. What are the lengths of the three sides.
Click here to see answer by harpazo(655)

Question 849042: Biil is flying his helicopter to meet Julia in Eaton.If he flies at 90mph he will arrive on time.If he flies 10mph slower,he will be their three minutes late.How far away is Bill from Julia.
Click here to see answer by richwmiller(17219)

Question 849323: please explain
if a=5,
b=3;
then,
a^=b^=a^=b
result: a=3, b=5; (Swap)
please explain it...
Click here to see answer by swincher4391(1107)

Question 849357: Find the product of 3 2/7 � 4 ⅝
Click here to see answer by Theo(13342)

Question 849874: 1.Graph y=| x - 2 | +3
2.Graph
y<2x-2
y>1/2x-2
3. Find a32 for arithmetic sequence 5,9,13....
an=a1+(n-1)d
a32=_____________
4. Solve x+2y+z=4
2x-y+4z=-8
-3x +y = 2z=-1
5. Graph y=(x+1)^2-2
6.Graph y=x^2-x -6
______________________________
7.Write the Equation in standard form.
Form for the parabola (1,2)(2,-4)(3,-4)
8.Factor x^2 +10x+16
9.Factor 2x^2-11x +15
10.Factor
4x^2-9
11.Factor
6x^2-24x
12.Solve:
x^2+6x-40=0
13.Solve:round to 2 decimal places:
6x^2+31x-12=0
14.Complete the square:
x^2-10x+12=0
15.Solve using quadratic formula:
2x^2+3x-5=0
16.Multiply
(-6 - 5i)(1+3i)
17.Divide:
4-3i/3+2i
18. Describe the end behavior:
Y=-4x^3 +2x^2 +x -2
19.Write a polynomial function in standard form with the given zeros.
x=1,x=-1,x=2
20.Factor 8x^3-64

Click here to see answer by Alan3354(69443)

Question 849850: If sin theta= 4/9 and theta is in Quadrant 1, find cos(2theta).
Click here to see answer by Alan3354(69443)

Question 850048: The sum of a number and 6 times its reciprocal is -5. Find the number.
Click here to see answer by ortarico(23)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 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7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650