# math..solve for u again

156,818 results, page 86

### math

Please help, 1) How do you solve 2017^2017 without a calculator? 2) What is the last digit of the solution to this problem: 2017^(2017^2017)? Thank you!

### math

can someone write out the equations so i can solve it. Please... #1 A biologist recorded 9 snakes on 21 acres in one area and 13 snakes on 47 acres in another area. Let y be the number of snakes in x acres. Write this one in a linear equation for the number of snakes. The ...

### Matrices Word Problem

The stopping distance of a car traveling 25mph is 61.7 feet, and for a car traveling 35 mph it is 106 feet. The stopping distance in feet can be described by the equation y = ax² +bx, where x is the speed in mph. (a) Find the values of a and b. (b)Use your answers from part (...

### Legal

Also, can you tell me where to find information on General Appearance. This is my question I need to find the information on. If a party makes a general appearance in court before filing a plea, she is, in effect, _____ Thank you again!

### Implicit Differentiation

Use implicit differentiation to find the slope of the tangent line to the curve y/x+6y=x^2–6 at the point (1,–5/31) . Again i think i'm messing up with the algebra here. I used quotient rule to get [(x+6y)(y')-(y)(1+6y')]/(x+6y)^2=2x I don't know how to go from here to ...

### math

The scientists Verhulst (1828) and Peal (1930) proposed the following growth model for a population living in an environment with limited resources (e.g. space, food, sunlight, etc): = , where is the natural growth rate of the population when resources are limited and is a ...

### English

1. What is Ling-Ling not good at? 2. What isn't Ling-Ling good at? 3. Why don't you like apples? 4. Why do you not like apples? 5. Why can't you solve the problem? 6. Why can you not solve the problem? ------------------ Are they all grammatical? Which expressions are commonly...

### Pre Cal long problem( Can I see the work on this)

A stuffed animal dealer tells you that a fish he bought for $8 four years ago is now worth $200 follow the steps below to find the effective yield for this investment. Begin with the equation 8(1+r) ^4=200.Solve for (1+r) ^4 Take the common logarithm of each side of the ...

### Math

factor each expression completely. if possible. Just checkin the * Ones 1. x^2+19X+90 * 2. x^2-16X+55 * 3. x^2-^6x-91 * 4. x^2+28x+195 * 5. x^2-29x+204 6. x^2+3x+154 7. 2x^2-5x-42 8. 3x^2-13x+12 9. 5x^2+43x-18 10. 6x^2+29x+35 Solve each equation 31. x^2-22x+120=0 32. 4x^2+20x+...

### math

Let x be the number of miles driven on 60 gallons of gas. By setting up and solving a proportion involving x, find the value of x for the car that you have chosen. Show both the set up of the proportion and the steps to solve. Include units with your answer.

### Confused-Math

Your calculator gives an answer of x=1.1578074156, y=2E-13 when using ROOT or ZERO in the graphing mode. Give the coordinates of the x-intercept your calculator has given you to the nearest thousandth. <<< ? I have no idea how to solve these. Someone please explain ...

### Algebra

I am great at math but for some reason can not wrap my brain around Algebra for the world! Please Help!! Im stumped! Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -3x – 5y = 61 7x – 5y = -9

### Finite Math

How to solve this problem using this equation P(T)=Poekt how long must $5700 be in bank at 8% compounded yearly to become $10,550.30 where P0 is the amount initially placed in savings, t is the time in yaers and P(t) is the balance after time

### Math - Algebra 2

I have tried several times to solve this. I have 3 points (0,-5), (3, -6), (-3,-7). I'm trying to get the quadratic equation. I keep getting y=(-1/6)x^2+ (1/6)x +0. When i plug in other numbers to check it's not the parabola facing down like my image. Please help!

### Math

Solve the problem. Round to the nearest cent. Joan wants to have $250,000 when she retires in 27 years. How much should she invest annually in her annuity to do this if the interest is 7% compounded annually? A) $1861.10 B) $3356.43 C) $2672.15 D) $937.86

### Math

Okay now. New question. Find the number of (m) ways in which 6 people can ride a toboggan if ONE OUT OF THREE people must drive. M=? PLEASE DO NOT SOLVE! Just tell me how to do the problem. You MIGHT use factorial.

### MATH

Okay now. New question. Find the number of (m) ways in which 6 people can ride a toboggan if ONE OUT OF THREE people must drive. M=? PLEASE DO NOT SOLVE! Just tell me how to do the problem. You MIGHT use factorial.

### Math Help

The average size 8 shoe is approximately 8 1/2 inches plus or minus a quarter of an inch . Write and solve an absolute value inequality that shows the range of possible lengths of a person'a foot that would wear a size 8.

### Math

The average size 8 shoe is approximately 8 1/2 inches plus or minus a quarter of an inch . Write and solve an absolute value inequality that shows the range of possible lengths of a person'a foot that would wear a size 8.

### Math

The average size 8 shoe is approximately 8 1/2 inches plus or minus a quarter of an inch . Write and solve an absolute value inequality that shows the range of possible lengths of a person'a foot that would wear a size 8.

### Math - Calc/Algebra/Trig

I'm trying to find all the points on the graph y=4/3cos^3x-cosx where the tangent line is horizontal. I took the derivative, which gave me: -4cos^2(x)sin(x)+sin(x) Now I need to solve it for x and I'm not sure how. Can you help?

### Physics

A block of mass 50 kg is pulled on a frictionless floor by F=210N directed to 30angle horizontally, If the block moves 3m, find work done? a. 115 √2J b. 315 √3J Answer is B 315 √3J , my question is how to solve it in this way i mean, i solved it like this, w=...

### calculus

I have to help teach this class tomorrow for my Senior Seminar Math class. The lesson is over Exponential and Logarithmic Functions and L'Hospital's Rule. I have all the problems needed to review this lesson, but i can not solve any of them. My teaching partner and I have had ...

### Math

Hi, how would we solve a problem like this? The path of the ball for many golf shots can be modelled by a quadratic function. The path of a golf ball hit at an agle of about 10 degrees to the horizontal can be modelled by the function : h= -0.002d^2+0.4d where h is the height ...

### history again

one more question.i have to compare the class structure of japan and europe during feudalism. Europe was royals, nobility,manor lords, and serfs right? What was Japan? and am i leaving anything out of the Europe one? thank you!

### Science

If an experiment disproves a scientists hypothesis, what should the scientist do next? A. develop a testable question B. revise the hypothesis and try the experiment again. C. develop a theory based on the data gathered in the experiment D. change the dependent variable. Is ...

### Social Studies

Why did general grant not want his troops to celebrate the surrender of the confederate troops? A. It could bring surprise attacks on the north B. It would not help in unifying the nation again C. It would cause his troops to view southerners as country men D. It could cause ...

### World Econ

I've asked here before, and I'm sorry to say I need help again. Does anyone have a website or knows where I can get graphs of the world's food production and population. I can't find any on google. They have to be recent around 2007-2009. I can't find any for the love of god. ...

### socials

Thanks for the welcome ms. sue :) so happy to be able to post again. what other political groups have used the methods that FLQ used to forward their cause? i only come up with Talibans, IRA, Alkida. I not know any others. what similarity they have to FLQ? They also use ...

### Science (respiration)

Hello, I have a question. How does colour affect a mealworm's respiration? Do mealworms breathe more slowly when sleeping? Do mealworms stop breathing for a bit, then breathe again? Thank you, and just tell me what you know. If you only know the answer to one of these, that ...

### physics

A 2.20-kg ball, moving to the right at a velocity of +1.27 m/s on a frictionless table, collides head-on with a stationary 7.20-kg ball. Find the final velocities of (a) the 2.20-kg ball and of (b) the 7.20-kg ball if the collision is elastic. (c) Find the magnitude and ...

### CALC..plz help

hello again..i have another question... it says sketch the curve <3cost,t,2sint> i know the parametric equations are x=3cost y=t z=2sint but what do i do to sketch them..plz help me

### chemistry

I just need a basic idea as to how to approach these two problems. 1. A 1.020 g sample know to contain only magnesium carbonate, MgCO3, and calcium carbonate, CaCO3, was heated until the carbonated were decomposed to oxides as indicated by the following equations. After ...

### Geometry

How do I solve for these?On a line,If M is the midpoint of segment AB, AM=4x and AB=7x+9. What is the value of MB? I cannot figure this one out either:If B is between A and C, AB=5y+4, BC=7y-3, and AC=20y-7. Find the value of y, AB, BC, and AC. Can someone please help me?? How...

### Math

7. Jim has 38 bottles of water in 9 of x bottles and one pack that contains only 2 bottles. What is the value of x? (Hint: Set up a two-step equation.) I don't know how to solve this. Help. 10. Addison read 25 pages of the book the first day. She continued to read 20 pages ...

### math

the length of a rectangle is 1 cm less than twice its width. the area is 28 cm squared. find the dimensions of the rectangle. Just translate the English into "math" "the length of a rectangle is 1 cm less than twice its width" l=2w-1 "the area is 28" w(2w-1) = 28 solve as a ...

### Math help again

cos(3π/4+x) + sin (3π/4 -x) = 0 = cos(3π/4)cosx + sin(3π/4)sinx + sin(3π/4)cosx - cos(3π/4)sinx = -1/sqrt2cosx + 1/sqrt2sinx + 1/sqrt2cosx - (-1/sqrt2sinx) I canceled out -1/sqrt2cosx and 1/sqrt2cosx Now I have 1/sqrt sinx + 1/sqrt2 sinx And that ...

### English check

Combine the following sentenes to a complete sentence. 1. Jean splled tomato juice on her essay. She had to print it out again. Is this right? Jean’s essay was counterproductive when she spilled the tomato juice.

### Rational Expression

(x+1/2x-1 - x-1/2x+1) * (2x-1/x - 2x-1/x^2) (x+1/2x-1 - x-1/2x+1)*(2x-1/x - 2x-1/x^2) The first parenthesis reduces to zero. Check that. I have the answers in the back of my book (just not how to get there) the book shows the answer as 6(x-1)/x(2x+1). When I solve, I get 6(2x-...

### algebra

Nine more than the sum of six minus a number and five equals twenty-one I am sorry I hit the wrong button and it sent it before i finished can some tell me if i have writen this problem right i think it goes 21=6-x+5+9 would this be they way i write it so i cqan solve it ...

### Substitution Method in Algebra!HELP PLZ!

Use the Substitution method to solve the system of equations. 3x + y = 5 4x - 7y = -10 multiply first equation by 4 multiply second equation by 3 thus both equations have same x or y value in this case it is the x value. 12x + 4y = 20 12x - 21y = -30 solve by elimination then ...

### Calculus

For the decomposition of Carbon 14, find the age of a prehistoric cave painting discovered in the Lascaux Caves in southern France if the amount of Carbon 14 has decayed to 14.29%...again using calculus formulas. Not sure how to use this equation (content section of course ...

### american government

Outside lobbying does not include the use of a. face-to face exchanges between lobbyists and policymakers b. campaign contributions to legislators who favor the interest group. c. the news media to influence policy makers d. targeting group resources on key election races. IS ...

### english

Hmm I'm just wondering why no one is helping me and skipping my question yesterday, is it because it's too long or too advanced? I just needed help with my thesis/argument so I can start my essay. I wrote my intro already but it needs a bit of work. You guys helped me before ...

### calculus

sorry for the probably simple question, but i haven't done this stuff in a long, long time. thought i had this right, but again not finding the answer which of the following gives the slope of the tangent line to the graph of y=2^(1-x) at x=2? a)-1/2 b)1/2 c)-2 d)2 e)-(ln2)/2 ...

### functions Steve and Reiny

I want to thank you both for your help and no sir I have never dealt with functions before as I am 44 years old and going back to school, I am taking an online class my textbooks are not scheduled to arrive until Nov 1, so I am a little lost but hey thank you both once again, ...

### Algebra

Thanks for those who answered my previous question! I have just one more: x^2-625=0, what is the GCF? How is it deterimined? It does not appear to me that there is one. How would it then be factored and have the zero-product powers applied? Then, what about 120x^2-34x-21=0 (...

### transcript

Hello!I would like that you transcribe me in english 2 audios document (they're very short 2 min the both)you can listen them if you write in search engine :for the first Genevieve : how I celebrate Thanksgiving &for the second Brigitte : Thanksgiving please,please do it for a...

### Health Econ

The probability of death from running a red light is 15%. People who run the red light do not want to lose the 2 minutes where they have to wait for the light to turn green again. Assume the average salary is $25 an hour. Compute the value of life using the Jones-Lee approach.

### reality

i know today is 9/11 and i will pray for the victims and their family.But why do we hear about every year when huge stuff like that barely gets noticed by our generation.Just ask your parents what big stuff happened.Again I will pray but i'm keeping the t.v. off for the rest ...

### Science

The African plate is moving toward the Eurasian plate at a rate of a few centimeters per year. How will this area change in 100 million years? In your answer, consider how continents will change and how the Mediterranean Sea will change. I was trying to click on your link but ...

### fixed problem

sorry my friend is on my computer and i told him to get off i will make sure he doesnt ever get on this site again, sorry for your trouble Your ISP addresses are being reported to your provider for your lewd behavior on this homework help website. You'd be well advised to stop...

### trigonometry

a question just like this one was on one of my homeworks..i asked for help but i didn't understand the explanation..so i had to gues..nd now i have that kind of quesion again on my homework. pleease explain this thoroughly find the value of s in the interval [0,pi/2] that ...

### Language Arts

In which of theses lines is the meaning of the word "gratitude" best expressed? A. Why its old Fezziwig! Bless his heart; it's Fezziwig alive again! B. The happiness he gave is quite as great as if it cost him a fortune. C. Feeziwig had the power to make us happy or unhappy...

### plz help me out** math

find a number such that 14 less than three times the number is 25. i think u subtact 14-3n=25 14-3n=25 won't get it. That gives a negative number. Try 3n-14=25. Solve for n. Im in algebra the answer is 14-3n=25.Promise me always get these problems right.

### math

ANTONIO SAID, "TO SOLVE 506-288, I CAN THINK OF 5 HUNDREDS AS 50 TENS." HOW MIGHT THIS HELP HIM SUBTRACT? I doubt if it would help. The logic is this. Take away 28 tens from 50 tens. that leaves 22. Now you have 226 -8 which is 218

### Math

Solve the indefinite integral of 1/sqrt(x^2+2x+5). I solved it all out by completing the square and then trig sub and then drawing a triangle to go back to x variable and got: ln |(sqrt(x^2+2x+5)/2 + (X+1)/2 ) | but the book answer is: ln |(sqrt(x^2+2x+5) + x + 1 ) | So, how ...

### Math

Solve the indefinite integral of 1/sqrt(x^2+2x+5). I solved it all out by completing the square and then trig sub and then drawing a triangle to go back to x variable and got: ln |(sqrt(x^2+2x+5)/2 + (X+1)/2 ) | but the book answer is: ln |(sqrt(x^2+2x+5) + x + 1 ) | So, how ...

### math help

if a 150 lb person can burn 410 calories /hour while bicycling 12 mi/h What rate would a 120 lb person burn calories while bicycling 12 mi/h? can some one explain this to me how to solve these kind of problems One has to assume some relationship with caloric burning rate and ...

### maths

A monkey ascends a greased pole 30 m. high. He ascends 3 m. in Ist minute and descends 1m. in the next minute, again ascends 3m. in 3rd minute, but descends 1m. in 4th min and so on. In what time he reached the top?

### maths

A monkey ascends a greased pole 30 m. high. He ascends 3 m. in Ist minute and descends 1m. in the next minute, again ascends 3m. in 3rd minute, but descends 1m. in 4th min and so on. In what time he reached the top?

### Math

Hi, if anyone can help me with this problem I would greatly appreciate it. I understood all my other math problems except for this one. So if anyone could help walk me through the steps so I know for next time how to solve problems like this I would appreciate it :D. 1.Write ...

### math,beginning algebra

can someone help me work this problem out. If a total bill at a restaurant, including a 15% tip, is $65.32, what was the cost of the meal alone? $56.8 let x = cost of bill Then x + 0.15x = 65.32 solve for x. $56.80 is correct from Angela.

### math

5/10+12/16+(15/20-4/16) Well you need to solve in the parentheses first, by making them common denominators. (15/20 - 4/16)=(60/80 - 20/80) Then subtract. (40/80) then simplify. (1/2) Next make all the fractions with common denominators. 5/10 + 12/16 + (1/2)= 40/80 + 60/80 + (...

### math

can someone check my answers approximately 4 out of 10 students at sonia's college lives on campaus. the college has 3,000 students . how many live on campus? 1,200 multiply (4)(-3/2)= -6 solve for the unknown 2/3=1.8 10 r answer 12

### math

How do i solve the functions domain, range, x intercept and y intercept for this function..there is a a shaded dot on (-4,-4) and then theres a curved line going up to an unshaded dot on (0,0), it also has to be interval notation but im not sure how to do that either. thanks

### Math

How do i solve the functions domain, range, x intercept and y intercept for this function..there is a a shaded dot on (-4,-4) and then theres a curved line going up to an unshaded dot on (0,0), it also has to be interval notation but im not sure how to do that either. thanks

### math

A gardener measures the tallest of his prize-winning sunflowers and finds that the height is 60 in. The sunflower was 52 in. tall the last time the gardener measured it. Write and solve an equation to find how many inches the sunflower grew.

### Math-gr12

How would I solve this equation for x in the interval 0<x<2pi tan^2x sinx - sinx/3 = 0 Please explain it step by step..ive been stuck on this question for far too long..sigh

### math

How do I solve the equations using the elimination method: .3x-.2y=4 and .4x +.3y= 49/23 Normally I would multiply the decimals by 10 to make them whole numbers, but that fraction is really throwing me off. What do I multiply to eliminate that fraction? Please help!

### basic math

Identify the rate, base, and amount in the following applications. Do not solve the applications at this point. 22% of Shirley’s monthly salary is deducted for withholding. If those deductions total $209, what is her salary?

### Math

Trent and three friends are ordering a pizza. they play to split the cost and they want to spend at most 3.50 per person. Write and solve an inequality to find the cost of the pizza they should order

### Math

Trent and three friends are ordering a pizza. they play to split the cost and they want to spend at most 3.50 per person. Write and solve an inequality to find the cost of the pizza they should order

### math

Can someone please show me step by step how to solve this, I've been stuck. Find the common ration r of the geometric series an that satisfies the following conditions: c=4, S=16 I would reallyy appreciate it if someone could help me

### Math

Felix wants to get at least one hour of exercise each day Today he has run for 40 minutes. Write and solve an inequality that shows how much longer he needs to exercise to reach his goal x=hour x>40

### Math Urgent

A rectangle of length 4cm and width 3cm has one vertex at the origin of a system of axes and another vertex on a quarter of a circle whose center is also at the origin. Solve for the area

### Math

For each babysitting job, Ashley charges $2.50 for bus fare and $8.00 per hour for each hour she works. She charged $30.50 for her last babysitting jib. Write an equation representative if this situation. Do not solve it. What does the variable represent?

### Math.. help.

A bungee jumper leaps from the top of a building that is 420 feet tall and falls at an average rate of 95 feet per second. at the time of the jump, the elevator is at a height of 130 feet and rising at a rate of 3.6 feet per second. about how many seconds will pass until the ...

### 7th grade math

Can you check the folowing problems. 1. 8(10) + 8(4) = 8(14) is an example of which property? A. Distributive property B. Associative property C. Identiy property D. Commutative property Ans:A 2. By Saturday night, 3 inches of rain had fallen in Happy Valley. The weekend ...

### PLEASE HELP ME MATH

someone please help i hav posted my questions like 5 times and no one is answering, can someone please solve these inequalitys 6y+1<19 2r-8>6 b-5>-2 2y+1<-5 4x-6>-10

### Math

How to solve I want to build fence. Around garden garden is 4 meters wide and 7 meters long? How many meters of fencing needed to buy

### Math 222

How do I use substitution to solve the system? Please help Addition and equal key is not working -5x plus 2y equal 16 y equal 2x plus 7

### math

tiangle pqr is an equilateral triangle in a circle. the height of the triangle is 18 cm. the diameter of the circle is 24 cm. find the perimeter of the triangle. can you help me solve this question?

### math

flora bought 3 notebooks for 10 pesos each, a box of pencils for 21 pesos and a box of pens for 35 pesos. write the final expression and solve.

### Discrete Math: Equations of a Line

Find parametric equations for the line that passes through the point (0, -1, 1) and the midpoint of the line segment from (2, 3, -2) to (4, -1, 5). I don't know how to solve this problem.

### math

Simplify and show: 2a-6(10a)-5a^2(2) ----------------- (2a-6)^2 This is my work but its not right. 10a-10a^2 -------- 2a-6 Then solve for a by setting numerator to zero. so I got this... 10a-10a^2=0 10a(1-a)=0 a=0, a=1 My book says a=0, or a=6 why didn't I get this?

### Math

Need to know the formula for find the perimeter. Need to solve this problem. A square metal box has a perimeter of 8.32". If the sides are .04" thick what is the perimeter of the inside?

### math

solve the simultaneous equations to find the coordinates of the point of intersection for the pair of lines of the simultaneous equations. Then check the answer by graphing the equations 3x-y=-4 2x-y=0

### math

Karen's age is 7 years more than 9 times the age of her niece Emma.If the sum of their ages is 57,what is Emma's age?Make and solve an equation.

### Math (please please please help!)

Solve for x: 2 to x+1=x+2 to 3 or 2 to x+3= x+2 to x+5 (the proportions end up being the same in the end) I keep getting to the part after you FOIL, and then I get stuck

### Math

All the seats in the theater are divided into 8 groups.There are 40 seats in each group.Write and solve a division equation to find how many seats there are in the theater.

### Math

The perimeter of a triangle is 50. The length of the sides of a smaller, similar triangle are 5, 6, and 9. FInd the sides of the larger triangle. What steps would I take to solve this?

### Math

How do I set this up and how do I solve: The sum of two numbers is 20 The difference between 3 times the larger number and twice the smaller number is 40. What is the larger number?

### math

j has a bag of 23 pieces of fruit the bag has 10 banana chips. what is the probability that j will choose a banana chip when he reaches into the bag? how to solve this problem

### math

You have $60.00 in your wallet and want to buy some new CDs. If the CDs are $11.00 each, what number of CDs, x, can you buy? Write and solve an inequality. Then explain your answer

### math

solve the problem A drug is injected into a patient and the concentration of the drug is monitored. The drug's concentration, C(t), in milligrams after t hours is modeled by C(t) = (7t)/2t^2+4.

### Math

This is trigonometry: A tree's height is unknown so we have to solve for the height of the tree. The tree casts a 11m shadow. And the angle of the triangle is 36 degrees.

### Math Help!

You have $60.00 in your wallet and want to buy some new CDs. If the CDs are $11.00 each, what number of CDs, x, can you buy? Write and solve an inequality. Then explain your answer

### Math

the length of a rectangle is (x-3) inches long, and the width 3 2/5 inches. If the area is 15 3/10 square inches, write and solve an equation to find the length of the rectan