Tuesday
July 28, 2015

Posts by lee


Total # Posts: 817

Calculus
thanks
January 7, 2012

Calculus
The population of a county increases at a rate proportional to the existing population. If the population doubles in 20 years, then the factor of probability is a) 2e^(-30) b)1/2(ln 20) c)ln 2 d)1/20(ln 2) e)ln 20
January 7, 2012

Calculus
Evaluate the indefinite integral
January 7, 2012

Calculus
Evaluate£º ¡Ò dy/(rad£¨4-y^2))=
January 7, 2012

Calculus
Evaluate the indefinite integral
January 7, 2012

Calculus
evaluate ¡Ò (Ln rad(x)) /x dx=
January 7, 2012

Calculus
Thanks
January 7, 2012

Calculus
Evaluate integral sign (x-1/(2x))^2 dx=
January 7, 2012

geometry
Thank you
January 4, 2012

maths
A company hires skilled employees, each working under contract to 35h and paid € 550 a week, others working under contract B 20h and paid € 220 per week. 1. These employees will have to make a total of 370h of work per week and the entrepreneur has a Bugdet weekly &#...
January 4, 2012

Math
Well I got 73.26 but my teacher said not to do it on the calculator.
November 30, 2011

Math
Would 75 be right.
November 30, 2011

Math
Please help ms on this problem 74% of 99
November 30, 2011

math
75+85+90+x/4=85 250+x/4=85 250+x= 340 x=90
November 29, 2011

math
81,__63,__,45,__ 81,72,63,54,45
November 28, 2011

algebra
37.051 is 55.3% of what number. x*.553=37.051 x=37.051/.553 x=67
November 28, 2011

Ethical Decision Making Case Study
This subject interested me so I went to Columbia University's website and found that a physician must notify a health agent and that agent must notify the patient's contacts which would include Paula's friend. I am not sure if this is a universal policy but I ...
November 26, 2011

Math
If you keep using fake names maybe you will get fake answers.
November 25, 2011

ALGEBRA
To figure out the down payment percentage multiply dollar amount by decimal for percent. For example 10% is .10 20% is .20 5% is .05 etc. Then to figure out the amount to be financed subtract the down payment from the original amount. Does this help?
November 25, 2011

chemistry
That is what I figured it out to be.
November 24, 2011

math
PT + 3PT=108 4PT=108 PT=27 FT=108-27=81 27 part-time and 81 full-time
November 24, 2011

science
16+16+12+12=56m
November 24, 2011

Science
That's what I get.
November 24, 2011

chemistry
Sorry misunderstood, I thought in was "in" not inches assumed it was mm.
November 24, 2011

chemistry
This is what I get: 25.7 mmHg x (101.325 kPa/760.0 mmHg) The mmHg cancel each other out So 98.659 kPa
November 24, 2011

Math help plz
Add 3 3/4 to 4 3/4 if it equals 8 you are right
November 24, 2011

Math
No, that isn’t right. Parameter of a rectangle is the sum of 4 sides with opposite sides equal. If width is 4, both sides would be 8. Subtract 8 from 24 to get sum of other two equal sides, which is 16, divided by two would be 8. The length is 8 units.
November 24, 2011

stati
80% finish high school 40% finish college 8% get master’s 2.4% get PhD
November 24, 2011

3rd grade math 1
As+Ls=2100 Ls=large spider as=average sized spider Ls=20As so as+20as=2100 21as=2100 as=100 The average sized spider lays 100 eggs at one time
November 24, 2011

math
S+5s+s-6=50 S+5s+s=56 7s=56 S=8 So Paula saw 8 spiders, 40 beetles, and 2 caterpillars
November 24, 2011

english
You're welcome.
November 24, 2011

english
This is how I would word it: It was filled with lies, corruption, and betrayal keeping me at the edge of my seat.
November 24, 2011

math
Look over other solution and see if you can figure this one out now.
November 24, 2011

math
In this equation, a=3, b=-5, c=-11 {- b + sqrt(b^2 - 4ac)} / {2a} and {- b - sqrt(b^2 - 4ac)} / {2a} 2.92 and -1.25
November 24, 2011

Psychology Please Help!!!!
I believe the answer is d. because Billy Sue's grandmother believes girls should wear lacy pink dresses because in her culture that is how little girls should look.
November 24, 2011

math
Approximate
November 23, 2011

ENGLISH-HELP!!!!
Losing the Brace: The Straight Road Back
November 23, 2011

computers
Yes, I believe C is correct.
November 23, 2011

Math
I am assuming it is a plane that left at 7:00. (7:00)-(1.5 hrs check-in)-(1hr drive from house)=4:30
November 23, 2011

ALGEBRA
Yes, r=.075 x $900 = interest is $67.50 *************************************** r=.075 P=900 1 yr P+rP or P(1+r) or 900(1+.075) = $967.50 2 yr (P+rP) + r(P+rP) or P(1+r)^2 or 900(1+.075)^2 = $1040.06 in 2 years So for future years the formula would be P(1+r)^x where x=number ...
November 23, 2011

algebra
A. Right. 28 wins out of 54 games 28/54=.52 or 52% so 108 games left and 52% of 108 is 56 wins projected plus 28 already won so 84 wins at end of the season. B. You are right 28/54 but answer 0.51851 to nearest tenth is 51.9% C. Projected wins for the season is 84 and 84 out ...
November 23, 2011

essay
I hope this is what you are looking for: Discuss the acting of both movies, say what you liked about one and why you didn't like that about the other. Say what one movie had that the other didn't, good or bad. You might prefer the acting of one movie but the music of ...
November 23, 2011

MATH
1/20 x 4 = 1/5
November 22, 2011

MATH
2/3 div 3/5 2/3 x 5/3 = 10/9 = 1 1/9
November 22, 2011

Math
1. 5 5/6 x 2 4/5 = 16 35/6 x 14/5= 49/3 = 16 1/3 2. 2/3 divided 3/5 = 1 1/9 or 2/5? 2/3 x 5/3 = 10/9 = 1 1/9 3. 7/12 divided 2/3 = 7/8 7/12 x 3/2 = 21/24 = 7/8 4. 3 1/2 divided 3/4 = 4 2/3 or 2 5/7 7/2 x 4/3 = 28/6 = 4 2/3 5. 4 2/3 divided 7 = 2/3 14/3 x 1/7 = 14/21 = 2/3 6. 4...
November 22, 2011

math
8m x 2 m =16m sq P=8+2+8+2=20m
November 22, 2011

Math problem
P+C=R C=R-P
November 21, 2011

Math
1. 2 1/3 x 3 1/2 7/3 x 7/2 49/6 = 8 1/6 2. 4 2/3 divided 7 = 14/3 x 1/7 = 14/21 = 2/3
November 20, 2011

Math
a=.50e m=.50(.50e)=.25e u=20,000 e=20,000+.25e+.50e e-.25e-.5e=20000 .25e=20000 e=80000 Total estate was 80,000
November 20, 2011

ALGEBRA
65/100 had iPhones of those 65-30 had car too so 35 only had iPhone 40/100 had cars of those 40-30 had iPhone too so 10 only had car 35 + 10 = 45 only had iPhone OR car
November 20, 2011

algebra
Figure out how many feet in a mile we will call that x figure out how many seconds in an hour we will call that y 20y=how many feet in an hour and divide by x that will give you mph
November 20, 2011

maths
You find two numbers whos product is your surd. Trying to get one factor to be the square of a number. For example if you want to simplify a surd of 75 you would choose 25x3. you write it by using square root symbol(srs) in front of (25x3)= srs 25x srs 3 which equals 5x(srs)3 ...
November 20, 2011

Pre-Calculus
Thank you. You helped greatly.
November 20, 2011

Pre-Calculus
I'm having a had time with this problem. Could you please help with step by step resolution? e^-x / e^-1 + 3 dx Thank you..
November 20, 2011

math
A negative sign outside of parenthesis is telling you to multiply by -1 which makes positive numbers negative and negative numbers positive. So -y+25
November 19, 2011

math
Company A $5+$1 per pound Company B $3 + 1.50 per pound 27. 3+1.50x=5+1x 1.50x=2+x .50x=2 X=4 28. 6 lb package with company a $5+($1x6)=$11 6lb package with company b $3+($1.50x6)=$3+$9=$12 Company A charges less. You save $1
November 19, 2011

math
Can't illustrate in Jiskha. Should look like 7 red cubes then 3 blue cubes in a line.
November 18, 2011

math
Need the width
November 18, 2011

Algebra 2
A=2*3.14*pw A=22cm squared w=2 solve for p 222cm=2*3.14p*2 222cm=6.28p*2 484cm=12.56p 242=6.28p P=38.53cm
November 17, 2011

math
Bayside insurance offers two health plans. Under Plan A Giselle would pay the first $80 of her medical bills, plus 30% of the rest. Under Plan B Giselle would pay the first $140 but only 25% of the rest. For what amount of medical bills would plan B save Giselle money. Assume ...
November 17, 2011

math
78:23
November 17, 2011

math
What is the cost in dollars to steam clean a room W yards wide and L yards long if the steam cleaners charge 10 cents per square foot? (3W x 3L) x .10
November 17, 2011

Math
Simplify -1+9(5-3m) -1+45-27m 44-27m Solve 10=10-2m 10+2m=10 2m=0 M=0 Solve: 4b<_-2/3 b<_-2/3*1/4 b<_-1/6 Simplify 6v-8-6v+16 8
November 17, 2011

algebra
32.80-(32.80*3/4)= 32.80-24.60= $8.20
November 17, 2011

English; conmas
Combine flour, shortening, pecans, and cold water to make a tasty pie crust.
November 16, 2011

math
Both are correct because both 2 and 4 are multiples of 8 so any multiple of 8 will be divisible by 4 and 2
November 16, 2011

Math
2(20)+2(25)=90 yd
November 16, 2011

algerbra 1
The decimal notation for the fraction -9/16 is -0.56 Round to the nearest hundredth Solve 5x+8x=78 =13x=78 The solution is x= 6 Simplify the answer. Type an integer of decimal. Solve using the addition principle 9.5=p-9.2 p=9.5+9.2 The solution is p= 18.7
November 16, 2011

Algebra
-(5x+5)-4+8x -5x-5-4+8x 3x-9 x-3
November 16, 2011

math
Plan A- 80.00 +25% Plan B-90.00 +20% 80+.25x>90+.20x .05x>10 x>200
November 16, 2011

History
How does barter and commodity money compare to todays paper and coin money? please help
November 16, 2011

algerbra 1
a. What percentage of the total monthly budget is spent on labor? 1,835/5,000= 36.7% b. What percentage of the total monthly budget is spent on miscellaneous items? 1,015/5,000=20.3% c. How much do materials cost monthly? 5,000*.18= $900 d. How much do rent and utilities cost ...
November 16, 2011

algerbra 1
a. Rewrite the formula to solve for C. P+c=R C=r-p b. Imagine your profit for 1 day is $1,281, and the cost of running the business for the day is $1,463. What is the revenue for that day? Explain your answer. R=P+C R=1,281+1,463 R= $2744 You can explain the answer
November 16, 2011

Algerbra1
1.You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an $80,000 loan from your family and a $38,250 small business loan. These loans must be repaid in full within 10 years. a.What ...
November 16, 2011

algebra
8y = 4y-36 4y=-36 y=9
November 16, 2011

English
Synonym Antonym 1) bluster threaten protect 2) commentary explanation hushed 3) facet surface sink 4) synopsis outline expand 5) tarry dawdle fast 6) setback hinder prompt 7) fidelity loyalty unfaithfulness
November 16, 2011

math
1/8= 3/24= 1 slice John 1/3= 8/24= 2 2/3 slices Maria 1/4= 6/24= 2 slices
November 16, 2011

math
x<4
November 16, 2011

math
Shelley 1/10 of ½ eligible and 1/20 of all eligible Daley 2/8 of ½ eligible and 2/16 of all eligible Shelley got 1/10 or .1 votes Daley got 2/8 or .25 Daley got the most votes
November 15, 2011

Algera
If x is divisible by 4,5,20. Which of the following statement must also be divisible by 4, 5, 20? x+4 x+5 x+10 x+20
November 15, 2011

MATH
1. 5/8+5/6= 15/24+20/24=35/24 2. 2 3/5+4 4/5= 6 7/5= 7 2/5 3. 13 1/2+7 2/3=13 3/6+7 4/6=20 7/6= 21 1/6 4. 3/8 - 3/8 = 0
November 15, 2011

math
3/6 (1/2)walk 2/6 (1/3)take bus 1/6 remainder
November 15, 2011

geometry
16 on each 30 foot side and 9 on each 20 foot side for a total of 50 posts.
November 15, 2011

math
Mary is 14 and Peter is 23 To figure out Peter's age: x=Peter's age 2/3(x-2)= 1/2(x+5) solve for x 2/3x - 4/3 = 1/2x + 5/2 2/3x-1/2x = 5/2+4/3 4/6x-3/6x=15/6+8/6 1/6x=23/6 X=23/6 / 1/6 X=23
November 15, 2011

algebra
I am on a limited budget for a long weekend to Maine. I have $100 and I have budgeted 40% for gas. My car is on empty and it gets 20 MPG. The average price of gas is $3.00 per gallon and the round trip to Maine is 300 miles. Do I have enough in my budget for Maine or am I ...
November 15, 2011

Communication Skills
What issues are involved in this encounter? The issues involved in this encounter are facts important to the case. The facts: Charlotte is 43 and a mother of two Husband has been diagnosed with terminal cancer Husband’s life insurance only good for 12 months of sickness ...
November 11, 2011

math2
The common denominator of 1/3 and 4/5 is 15 So 1/3 of project or 5/15 is remaining On Monday Dan completed 4/5 of remaining or 4/15 of entire project. I think of it this way, if there are 15 pieces to complete As of Monday 10 pieces were already complete which left 5 If Dan ...
November 10, 2011

calculus
Suppose the area of a square is increasing with time.At the time when the side of the square is 4 meters and the change in area is 2 sq meters per min, find the change in the length of the side of the square.
November 6, 2011

calculus
the equation of motion is given for a particle, where s is in meters and t is in seconds. find the acceleration after 2.5 seconds.
October 30, 2011

calculus
find the tangent to the ellipse £¨x^2/4)+(y^2/4£©=1 at the point (1,rad(3)).
October 30, 2011

calculus
the curve with equation 2(x^2+y^2)^2=9(x^2-y^2) is called a lemniscate. find the points on the lemniscate where the tangent is horizontal.
October 30, 2011

calculus
find y' by implicit differentiation: 5cos(x)*sin(y)=13
October 30, 2011

calculus
find d/dx (sin^(21)x *cos21x)
October 30, 2011

calculus
the limit represents the derivative of some function f at some number a. state f and a. lim (sin(pai/2 + t)-1)/t t->0
October 30, 2011

calculus
The position function of a particle is given by s=t^3-3t^2-6t, t > =0. when does the particle reach a velocity of 66 m/s?
October 30, 2011

calculus
find equations of the tangent lines to the curve y=x/(x+5) that pass through the point (2,7).
October 30, 2011

probability
This is exactly how the question is written on the test. Does that mean it can't be answered since we don't have part of the problem?
October 27, 2011

Math
I can't figure out this pattern: 1, 1, 4, 3, 9, 6, 16, 10, 25, 15, __, __, __, __
October 25, 2011

math
Thanks. That's what I thought too.
October 24, 2011

math
Every week Bradley doubles his card collection. He started with 2 cards. How many cards will Bradley have after 6 weeks?
October 24, 2011

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