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December 25, 2014

Posts by Helper


Total # Posts: 1,701

math
164/24 = 6 20/24 = 6 5/6
January 25, 2011

math - algebra
I hit 'post answer' too soon. See below. Dan, Fran, and Stan have 194 cards. Dan has 24 less than Fran, and Stan has 35 more than Fran. How many do each of them have? Let x = the number of cards that Fran has. x + x - 24 + x + 35 = 194 3x + 11 = 194 3x = 183 x = 61
January 25, 2011

math - algebra
Are you sure that this is the exact wording for this problem? Need to know info for either Dan or Stan. You posted this almost exact same problem yesterday. I pasted that post below.
January 25, 2011

public finance
Not enough info. "calculate the MTR for his labor earnings"? More than this is missing too. Mortgage interest expense, itemized deductions, etc.
January 25, 2011

Pre-Algebra
D = RT (distance = rate x time) R = rate 8R >= 420 R >= 52.5
January 25, 2011

Math Algebra
2m +3n=4 -m + 2n= 5 Multiply by 2 (-m + 2n = 5) -2m + 4n = 10 2m + 3n = 4 Add the two equation 0 + 7n = 14 7n = 14 n = 2 To find m, substitute n = 2 in 2m + 3n = 4 and solve for m I'll let you finish Check your answers when you find m
January 25, 2011

geometry
P = 2w + 2L w = width, L = length Since, this is a square, w = L P = 2w + 2w P = 4w 2011 = 4w w = 2011/4 = 502.75 A = Lw Since this is a square, w = L = 502.75 A = (502.75)(502.75) A = ? square inches
January 25, 2011

Math
correct :)
January 25, 2011

Math
Are the sides of triangle BCE, BC, BE and EC ? In rectangle ABCD, is side BC opposite to side AD? If so, AD = BC = 3 If so, since BCE is an equilateral triangle, (all three sides equal)therefore BE = BC = EC = 3. I don't have the advantage of seeing the diagram you are, so...
January 25, 2011

Algebra
Formula for perimeter P = 2w + 2L x = length (L) y = width (w) 2x + 2y <= 60
January 25, 2011

Math Geometry
A line that bisects an angle divides it into two congruent parts. A triangle = 180 degrees 2(27) + 2(34) + x = 180 x = ?
January 25, 2011

Math
Not equal. You are solving an inequality. x > 0.5
January 25, 2011

Math Geometry
A right triangle has an angle of 90 degrees. The sum of the angles in a triangle = 180 degrees. 90 + 16 + x = 180 x = ?
January 25, 2011

Math
7 + 3 = 10 coins 3/10 = fraction of nickles fraction of dimes = ?
January 25, 2011

calculus
[1/(x^2+1)] By Formula, ∫1/(1 + x^2)dx = tan^-1(x) + C
January 25, 2011

physics
See the 3rd link below under Related Questions. This almost exact problem was solved there.
January 25, 2011

math
3/2 / 7/10 /5/2 without parentheses, I will divide in order. (3/2)/(7/10) = 3/2 * 10/7 = 30/14 (30/14)/(5/2) = 30/14 * 2/5 = 60/70 = 6/7
January 25, 2011

math
6y = -8x - 18 Put the equation in slope-intercept form, by solving for y 6y = -8x - 18 Divide both sides bu 6 y = -8/6 x - 18/6 Reduce fractions y = -4/3 x - 9/3 Now, the equation is in slope-intercept form. y = mx + b, where m = slope and b = y-intercept Slope m = ? y-...
January 25, 2011

math
x = total employees .80x = 720 Solve for x.
January 25, 2011

social studies
Thank you Ms. Sue! :)
January 25, 2011

social studies
The tutors here don't have a copy of your text book. This is something YOU need to do. READ section 6 of chapter 6. I'm sure you can find 10 important facts. Try.
January 25, 2011

Algebra
Ratio = 4:3 = 4/3 4/3 = x/(2/3) Cross multiply 3x = 4 * 2/3 Can you solve for x now?
January 25, 2011

math
To find the range, put the numbers in order. Range = highest - lowest
January 25, 2011

geometry
Complementary angles = 90 degrees x = one angle 1/3 x = other angle x + 1/3 x = 90 Combine terms and solve for x. Then use the above formula to find the other angle.
January 25, 2011

Math
I said the above because you have the shaded picture to look at, I don't.
January 25, 2011

Math
See your 1st post below. I just finished your problem. Let me know if you think I understood your problem.
January 25, 2011

Math
8x^2+18x-5 (2x + 5)(4x - 1) My method or steps is trial and error. You need to find factors of 8x^2 that also add to 18x. The same for factors of 5. It takes practice. The only way you learn is by practice. Do as many problems as you can and eventually it gets easier.
January 25, 2011

algebra
You're welcome.
January 25, 2011

algebra
I assume you need to solve these equations simultaneously ? 3x + 5y = 0 2x - 5y = -9 Solving by elimination method. The object is to eliminate one of the variables, either x or y. Since you have +5y in the first equation and -5y in the second equation, you ADD the two ...
January 25, 2011

Math
If I am following your problem. The area of ONE shaded face = 64 cm^2 Since, this face is a square, the length L equals the height h. L = H Cuboid SA = 2Lw + 2Lh + 2wh Since you have the SA (surface area) of one face, and L = H, SA = 2Lh SA = 2LL (L = h) 64 = 2L^2 32 = L^2 L...
January 25, 2011

math
See your 1st post below. I worked out the almost exact problem for you. Using the below post as an example, you should be able to at least try to do this problem. Post your work if you get stuck so someone can help you.
January 25, 2011

math
You don't state if this is compounded interest. Assuming simple interest, I = PRT (interest = principal x rate x time) 9006 - 8765 = 241 interest 241 = 8765 x R x T 241 = 8765 x R x 1 241 = 8765R Solve for R, the rate of interest Multiply R x 100 = percent
January 25, 2011

math in topics
Are you sure that is ALL the info you are given? The problem doesn't state how many students? Please recheck your problem.
January 25, 2011

math
Let x = number of trip miles (x - 2) = miles greater than first 2 1.50 + 1.20(x - 2)
January 25, 2011

math
f(x)=x^2+12x+37 y = x^2 + 12x + 37 Solve for x x^2 + 12x = y - 37 Complete the square x^2 + 12x + 36 = y - 37 + 36 (x + 6)^2 = y - 1 Take the square root of both sides +- (x + 6) = (sqrt(y - 1)) x + 6 = (sqrt(y - 1)) -x - 6 = (sqrt(y - 1)) x = -6 +- (sqrt(y - 1)) Interchange x...
January 25, 2011

Science
If you go to google dot com and put in "Seals" in the search box it will bring up more info than you could possibly use. I can't post links, otherwise I would do it for you.
January 25, 2011

Math
REINY answered your earlier post and she said to try doing it yourself. She did a similar example for you to follow. I pasted her example below. Post your work if you get stuck. Math - Reiny, Tuesday, January 25, 2011 at 12:09pm slope of line through the two points = (6-2)/(3-...
January 25, 2011

biology
About what I posted above. You probably have this already. This was a response to the exact question you posted here and there. I did a google search with your question and it directed me to your? other post on that website. I didn't realize this until after I posted above...
January 25, 2011

biology
From cholesterol heart attack dot com Physiological response: "John survived because he grew collateral coronary arteries. The coronary arteries supply the heart muscle with oxygenated blood. Chronic high cholesterol results in plaque accumulating inside the coronary ...
January 25, 2011

equations calculus
This exact question was answered for you yesterday. Please check your posts for an answer before reposting. I have pasted below the answer to this post. calculus - drwls, Monday, January 24, 2011 at 11:39pm Rewrite it as an equation for y in terms of x. y - 0.5 x = y This ...
January 25, 2011

Calculus
This is calculus? h(x)= x^3-x^2+x+6 h(-8) Plug -8 in for x and do the math.
January 25, 2011

Intermediate Accounting
Your question isn't clear. Calculate what? Do you need to calculate the portion of insurance that is a current expense for the year 2011 and the portion that is a prepaid expense or prepaid asset? 4000/2 = 2000. = 1 year expense 2000./12 = monthly expense for 1 year Jan ...
January 25, 2011

math in topics
"how many new are needed on campus" ... How many new ? New what? The answers don't make sense for the question asked. Re-read your whole post for clarity.
January 25, 2011

fraction
2/3 0f 9 Multiply 2/3 x 9 = 18/3 = 6 1/6 x 12 = ?
January 24, 2011

CP Geometry
I knew if was a riddle. That's why I asked "What" ! :)thanks
January 24, 2011

CP Geometry
(sqrt5) * (sqrt15)= (sqrt75)= =(sqrt25)(sqrt3)= 5(sqrt3) What do you call it when the nurse gives you a shot you hardly feel? What?
January 24, 2011

latin
BElimicus, testanmento When you are about to have heard, so much so astounded by was, when ninil could reply, without prejudice to these things, laughing, he added. From Google translator
January 24, 2011

Algebra
This is something you will have to do. Because of formatting, it is not possible to graph here.
January 24, 2011

alegebra
5 x -4 x 6 = -120 Product means to multiply the numbers.
January 24, 2011

Math
Do you have an equation for line h? If you do, post it here. It is needed to find the equation of line f.
January 24, 2011

Math
Do you have an equation for line h? If you do, post it here. It is needed to find the equation of line g.
January 24, 2011

Math
You are welcome!
January 24, 2011

Math
Plot the point(s) on a graph to see which quadrant it is in. Or, you can memorize this. For example, Quadrant I, the points are all positive, ie, (x,y). In Quadrant II, the points would be of the form (-x,y) Quadrant III, (-x,-y) Quadrant IV, (x,-y)
January 24, 2011

Pre algebra
44 ft/sec x 60 sec = 2640 ft/min 2640 ft/min x 60 mi/hr = 158,400 ft/hr 158,400 ft/hr / 5280 ft/mi = 30 mph
January 24, 2011

math
A = Art, B = Ben In 5 years art will be twice as old as ben. A + 5 = 2(B + 5) 5 years ago art was 3 times as old as ben. A - 5 = 3(B - 5) A + 5 = 2(B + 5) A + 5 = 2B + 10 A = 2B + 5 Substitute, A = 2B + 5, in A - 5 = 3(B - 5) 2B + 5 - 5 = 3(B - 5) 2B = 3B - 15 B = 15 Ben is 15...
January 24, 2011

math
You're welcome!
January 24, 2011

math
John sets off 4 seconds after Tom does, and finishes the lap 2.5 seconds sooner than Tom does. So, John's total time will be 6.5 sec less than Tom's time. Do you understand? Also, If you solved correctly, R = 20 and T = 32.5. Remember, the problem wants each racers'...
January 24, 2011

math
RT = D T = time for Tom T - 6.5 = time for John (-4s + -2.5s) R = rate for Tom R + 5 = rate for John D = 650 RT = D RT = 650 (R + 5)(T - 6.5) = 650 Solve these equations simultaneously. Expand (R + 5)(T - 6.5) = 650 Then substitute, RT = 650 for RT in the expansion.
January 24, 2011

Math
correct :)
January 24, 2011

Math
If two non vertical lines are parallel, their slopes are equal. Can you answer now?
January 24, 2011

Calculus
I forgot the very first line, where I rewrote the integral sin^3 x/cosx dx=|(sin^2 x sin x)/cos x dx sin^3 x/cos x dx = |sin^2 x tan x dx see above
January 24, 2011

Calculus
sin^3 x/cosx dx | = integral sign |sin^2 x tan x dx |(1 - cos^2 x)tan x dx |tan x - cos^2 x tan x dx |tan x - cos^2 x (sin x/cos x) dx |tan x - sin x cos x dx |tan x dx - |sin x cos x dx ln (sec x) - |sin x cos x dx u = cos x du = sin x dx ln (sec x) - |u du ln |sec x| - 1/2 u...
January 24, 2011

math
If I understand your poorly worded problem. w = width w + 3 = length P > 24 P = 2w + 2L 2w + 2(w + 3) > 24 Solve for w, the width
January 24, 2011

algebra
3(4x+6)+7x Distribute the 3 12x + 18 + 7x 19x + 18 19x = -18 x = ?
January 24, 2011

Math
RT = D (rate x time = distance) 800 = rate of 2nd jet T = time of 2nd jet 800T = distance of 2nd jet 600 = rate of 1st jet T + .75 = time of 1st jet (3/4h = .75h) 600(T + .75) = distance of 1st jet Distances are equal 600(T + .75) = 800T Solve for T
January 24, 2011

Math
y = x + 3 Pick values for x, solve for y Example, x = 0 y = x + 3 y = 0 + 3 y = 3 (0, 3) x = -1 y = x + 3 y = -1 + 3 y = 2 (-1,2) x = 1 y = x + 3 y = 1 + 3 y = 4 (1,4) Picks more values for x as needed. Use these points to graph.
January 24, 2011

Algebra 2
L = no. of liters of 80% solution .80L = value of 80% solution 10 - L = no. of liters of 40% solution .40(10 - L) = value of 40% solution .48(10) = value of mixture .80L + .40(10 - L) = .48(10) Solve for L L = no. of liters of 80% solution 10 - L = no. of liters of 40% solution
January 24, 2011

geometry
Ratio of sides is 6:15 = 6/15 = 2/5 Ratio of perimeter is 22:x 2:5 = 22:x 2/5 = 22/x cross multiply and solve for x
January 24, 2011

algebra
w = width 7w = length P = 2w + 2L P = 2w + 2(7w) I leave it to you to simplify.
January 24, 2011

Math
7a - 4 + 2a = 3a - 2 9a - 4 = 3a - 2 6a = 2 a = ?
January 24, 2011

algebra
n = number 2n = 28 n = 14
January 24, 2011

algebra
see above post
January 24, 2011

math
10 = 5(t - 10) - 2t 10 = 5t - 50 - 2t 10 = 3t - 50 Can you finish?
January 24, 2011

math
see your other post
January 24, 2011

Math
The "mode" is the value that occurs most often. If no number is repeated, then there is no mode for the list.
January 24, 2011

diameter
x = diameter of 1 circle x + 8 = diameter of 2nd circle x + x + 8 = 28 2x + 8 = 28 Solve for x
January 24, 2011

Geometry
AB = 4, CD = 7 2*AB = 8 1*CD = 7 2*AB - CD = 1 2*(4) - 7 = 1 8 - 7 = 1
January 24, 2011

Trigonometry
1025 * pi/180 = 1025pi/180 = 205pi/36
January 24, 2011

algebra
12^-2 = 1/12^2 = 1/144
January 24, 2011

GEOMETRY
see your earlier post
January 24, 2011

Pre Algebra
length = L width = w Ratio = L:w = 10:7 = L:70 10:7 = L:70 10/7 = L/70 cross multiply 700 = 7L L = 100 L = 100, w = 70 P = 2w + 2L P = ?
January 24, 2011

Physics
See the third link below under Related Questions. This almost exact problem was solved.
January 24, 2011

Physics
See the first two links below under Related Questions. This almost exact problem was solved.
January 24, 2011

Physics
See link 2 below under Related Questions. This almost exact problem was solved.
January 24, 2011

Physics? Help Needed
FYI-If you want help, it is important that you put the school subject name in the 'School Subject' box. I changed it for you.
January 24, 2011

Math Urgent
(sqrt(5)) + (sqrt (20)) Breakdown (sqrt(20)) (sqrt(5)) + (sqrt(4))(sqrt(5)) (sqrt(5)) + 2(sqrt(5)) Can you add them now?
January 24, 2011

math
"I tried several combinations using -3,2,and -1 in place of m but still not coming out right." Are you missing part of this problem? There is no 'm' anywhere in your posted problem to replace?
January 24, 2011

Geometry
you're welcome
January 24, 2011

Geometry
I got angle NMO = 61 same method as above, but correction for LMO = x + 32 Therefore, angle LMO = angle NMO angle NMO = angle LMN - angle LMO angle NMO = 5x - 23 - (x + 32) angle NMO = 5x - 23 - x - 32 angle NMO = 4x - 55 angle LMO = angle NMO x + 32 = 4x - 55 3x = 87 x = 29 ...
January 24, 2011

Geometry
Thank you. That's much better. If I am understanding your description, A line that bisects an angle divides it into two congruent parts. Therefore, angle LMO = angle NMO angle NMO = angle LMN - angle LMO angle NMO = 5x - 23 - (x + 3) angle NMO = 5x - 23 - x - 3 angle NMO...
January 24, 2011

Geometry
What is LMN? For example, is this a line segment, triangle, or ? How did you get 45.75? You need to post a better explanation. Think of it like this. If you knew absolutely nothing about this problem could you solve it with just the info you posted?
January 24, 2011

Math Please Help
by the formula v = (-53 � √3349)/30 √3349 = 57.87 Calculate v using 57.87 as the exact value for √3349.
January 24, 2011

math/ CIRCUMFERENCE of a circle
- find out how many feet are in 1 yard - divide 5280 feet by 2 (which would equal half a mile) - take that number and divide by how many feet the circumference of the wheel is
January 24, 2011

6th grade math
5 / 1/3 5 x 3 = 15 1/3 x 3 = 3/3 = 1 15/1 Then find the quotient, 15/1 = 15 IF you did have to divide 5 by 3/9 you would multiple 5 by the reciprocal of 3/9, so 5 / 3/9 = 5 x 9/3 = 45/3 Yes, you were correct IF you had to divide by 3/9.
January 24, 2011

algebra
I answered your post below with this same question. Please check to see if your post was answered before re-posting. I pasted the answer here for you. x = liters of 3% solution 3 - x = liters of 10% solution .03x = value 3% solution .10(3 - x) = value 10% solution 3 = liters ...
January 23, 2011

Math
log2(log4x)=1 Rewrite as (log((log(x))/(log(4))))/(log(2)) = 1 Divide both sides by 1/(log(2)): log((log(x))/(log(4))) = log(2) Cancel logarithms by taking exp of both sides: (log(x))/(log(4)) = 2 Divide both sides by 1/(log(4)): log(x) = 2 log(4) Cancel logarithms by taking ...
January 23, 2011

financial analysis
I am pretty sure it is a current asset. A current asset has a life of one year or less (e.g., inventory) while a noncurrent asset has a life in excess of one year (e.g., machinery).
January 23, 2011

Math
Answered in a later post.
January 23, 2011

algebra
x = liters of 3% solution 3 - x = liters of 10% solution .03x = value 3% solution .10(3 - x) = value 10% solution 3 = liters of 7.9% mixture .079(3) = 0.237 = value 7.9% mixture .03x + .10(3 - x) = 0.237 Solve for x, which is number of liters of 3% solution. (3 - x) = number ...
January 23, 2011

math
(1/2)^x = 1152 rewrite as, 2^(-x) = 1152 Take the logarithm to the base 2 of both sides: -x log 2 = log 1152 -x = (log(1152))/(log(2)) Divide both sides by -1: x = -(log(1152))/(log(2)) x = - 3.061452/0.3010299 x = -10.1699
January 23, 2011

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