math..solve for u again

156,818 results, page 69

math

When it says "eight less than twice a number is 12 more than four times the number" will its equation Be, 2n-8=4n+12? And if that is true how could I solve it?

math

solve for x x-3(x-1)=6x-3-8x a) infinite solutions b)no solution c)0 d)-1 (x-3)(x-1)=-2x-3 so I believe from the information given the answer would be b) no solution. Is this correct?

Math

Could someone please help me solve this radical equation of 2x+7-2=x It's suppose to have the radical sign but I don't know how to put it on here. Thank you

math

Which one of the following is an even number? A. 198^7 B. 19x98 C. 19^87 D. 1+9+87 I know I can just solve each one but is there a faster way?

Pre-Calculus

Hi! I'm having trouble with this math question; can someone help? Thanks! :) Given the function f(x)=x^2+9, solve. a.) Find f(-3) b.) Find f(x-2)

math

How can I solve this question, Write 83.9% as a decimal, and write 0.038 as a percentage. I just can not remember how to do this. Sorry and thank you for your help and time.

Math 222

Please help me solve this equation? Sorry my addition and equal key does not work. -x^2-3x plus 5 equal 0

Math

I need to find what the total commission of 14% on a $3000 sale. Can u please show in detail how to solve this. Please and thank u. :)

Math

Solve the equation (5y+1)^2 + 5(5y+1) + 6 = 0. Do not expand first. I solved the equation up to 25y^2 + 35y + 12 = 0 and not sure how to proceed from here on.

Math-Algebra

Can I please have help as to how to solve a system using substitution? I have a quiz coming up and I want to ace it. :) Thank you.

math

Write a real-world problem that you solve by writing an equation.The answer to the problem must be 6. 4 divided by 24=6

math

Solve this plz The area of a rectangle is 1680msq.if it's diagonal is 58 m long find the length & width of the rectangle

math

Write a real-world problem that you could represent with the equation 4x+5=37. Solve the equation to find the answer to your question.

Math

1) Given that p(-3), p(-1), and p(5)=0, which expression could be p(x)? A)x^3-x^2-17x-15 B)x^3+x^2-17x+15 C)x^3-3x^2-13x+15 D)x^3-9x^2+23x-15 I would appreciate if someone could show me how to solve it

Math

How do i take out 2 or solve from: y=(2theta + pi)+3 Because i need to find the mathematical changes in the graph but i can't figure it out?

math

9. solve |4x + 3| = 9 + 2x and check for extraneous solutions. the first answer I got was: |4x +3| = 9 + 2x |4x| = 6 + 2x 2x = 6 x = 3 can someone help me find the other answer? thank you!

Math

Solve the equation on the interval [0, 2π). cos x + 2 cos x sin x = 0 would the answer be 7pi/6 , 11pi/6 ?

Math

How do I show that the sum of 2 consecutive integers is always odd? I'm stuck on this question. Can you explain and show how to solve this? Thank you! :)

Math (Reiny please help!)

Solve the system by substitution. -x-y-z=-8 -4x+4y+5z=7 2x+2z=4 I am very confused about this. Can someone please explain how to do this?

math asap

Solve the proportion using cross products. 8/20 = k/110 (A)99*^* (B)122 (C)3.3 (D)2.9 Am I correct? please asap

AP math

how do I solve this? 0.02e^-0.244t=0.06 I know I divide by the constant to get : e^-0.244t=3 but I'm not sure what to do after. do I take ln of both sides?

math

i have 8litres of poridge and want to divide it equally and only have tins 5litres and 3litres .solve

math help pleaseee

One of the zeros of the function f(x)=x^3-28x-48 is x=-4. Factor the function. Show your work. How do I solve this?? Please help??

math

Solve the linear programming problem by the method of corners. Find the minimum and maximum of P = 3x + 2y subject to 3x + 5y ≥ 20 3x + y ≤ 16 −2x + y ≤ 2 x ≥ 0, y ≥ 0 The minimum is P = at (x, y) =

math

Solve the linear programming problem by the method of corners. Find the minimum and maximum of P = 3x + 2y subject to 3x + 5y ≥ 20 3x + y ≤ 16 −2x + y ≤ 2 x ≥ 0, y ≥ 0 The minimum is P = at (x, y) =

Math

Solve the equation. Explain each step and identify the property used to reach each step 0.6x+0.8=1.4 Please help me with this question.

Math

After giving away 20 marbles, joshua had 60% left. How many had he at first. Please help me solve.

math

what is the dollar value of ending inventory if there were 17,000 units on hand on December 31? January 1 beginning inventory 5,000 units @$0.89 February 15 purchase 10,000 units @ $0.69 April 15 purchase 2,000 units @ $1.09 July 15 purchase 4,000 units @ $0.99 October 15 ...

math

I have a table and was given an equation of best fit - the table is about the growing US population. My equation of best fit is y = 106.7236(1.0124)^x I found my y intercept and the population in 2013. Now it is asking when will the US population break 400 million. In 2013 the...

Physics

A particle leaves its orgin with a velocity of 4 i m/s and a constant acceleration of (-2i + .5j) m/s^2. At the time the particle reaches its maximum X corrdinate a) what is its velocity? b) what is its position vector? I'm not sure which equations i should use. solve for the ...

Jay

Please help me to solve this problem. Thank you in advance for helping to solve this problem. Have a great day. Here is the question? Use the point-slope form to write the given slope and point. Leave the equation in that form: slope 7/8, passes through (-2,-9)

algebra URGENT!

Solve the system using elimination. 2x – 2y = –8 x + 2y = –1 And this one: Solve the system using elimination. 3x – y = 28 3x + y = 14 Pleease help me :(

Algebra II

1. 4^x - 3(4^-x) = 8 I got where 4^x = 4 + square root (19), but I can't solve further. The answer is (log (4 + root (19)) ) / (log 4). 2. log (x^2) = (log x)^2 Solve for x Thanks!

12 Chemistry

So I forgot, but I have one more I want to check while I am here (I seriously have a need for perfection, and want to include all of the details I can :P). So, what evidence is there that the esters synthesized in the lab are soluble? Again, thank you so much!!

dog behavior repost

please check my answer again thanks Pupillary constiction in the presence of bright light is an example of what reponse ? A active tropic B passive tropic C unconditioned D conditioned I now say it's C

Health

Blood typing is based on ______ on the surface of the red blood cells. A. antigens B. protein C. antibodies D. a Rubella titer i am thinking B again im not 100% just wanted to see if i was correct. please help

religious education

i need to write an essay about discrimination. it needs to be 5000 words (i know!) please could someone help me find some good sites that i can get some info on. i might be asking again if i get stuck thanks in advance :)

Ms Sue design technology

sorry to post again but could you check if this is right what angel wings kindly suggected. a product which a designer has thought out of the box robotic vacuum cleaner or a robotic mower.

To:Ms.Sue

Sorry Ms.Sue but I have a question on the previous answer you gave me and I hope you don't mind answering it,thanks. Earlier you say "What examples do you know about the good that people do who contribute to the community? " Could you explain to me what this mean? Thanks again.

SORRY FOR THE INCONVENIENCE!!

Please accept this as an apology. I wasn't trying to spam this forum I truly believe it's great and I am grateful for the amount of tutors who volunteer their time!! I was very shocked that's all. I am once again sorry

science

If Faraday hd used a more powerful battery in his experiments with electromagnetic induction, what affect would this have had on his galvanometer's measurements of current when the battery was fully connected? explain your reasoning. Thanks again!

Math

Jasper's friend Tina challenges him to a game of Unders and Overs. He's never played the game before, so Tina explains the rules: "You bet what the total value will be when I roll two dice. Then, I roll the dice and their total determines whether you win money off me or ...

Algebra 2

A company charges 16$ for a subscription. It has 30,000 subscribers. It looses 1,000 subscribers for every 1$ they raise the price. 1.Find the quadratic quation. (Can you tell me how to pull the numbers out of the question and put it into the equation?) Find the rate at 16$. (...

math

A set of 100 open lockers are numbered from 1 - 100. Sarah comes by and closes all the lockers with even numbers. Then Sarah walks past the lockers again and checks the ones numbered with multiples of 3. If the locker is closed, she opens it; if it is open, she closes it. She ...

Math

Ricardo spends $3.50 for lunch each day. Write and solve an equation to find how long it takes him to spend $21.00 3.50x=21.00 3.50(6)=21.00 6. A spiral toy that can bounce down a flight of stairs is made from 80 feet of wire. Write and solve an equation to find how many of ...

Algebra 2

I know that were doing problems were there is a soultion given which is equal to X^? times a constant ... y = k x^? So this is problem I have to decide given a probelm x relationship to y (for example iverse square cube and so forth) this unkown variable is denoted witha (?) ...

Math help again...

I'm trying to set up the problem to this question, but for some reason I am confuse and can't answer this question: 1) During a quality control test, Micronics found that 24 computer boards were defective. This amount was 0.8% of the computer boards tested. a. How many ...

math

a toy car store is ordering 3,000 remote control cars.the store can order the cars in sets of 10.how many sets of 10 does the store need to order? a.30 b.300 c.3,000 d.30,000 a.what information do you need to use? b.what do you need to find? c.how can renaming numbers help you...

math

The disney Golf classic starts with 64 golfers. the golfes form pairs and each pair plays amtch. the losers drop out nad the winners of each pair then form new pairs and play again. Then those winners form pairs and play. this continues until there is one winner.. a- In how ...

Basic Math

Bill and Sue both work at night. Bill has every sixth night off and Sue has every eighth night off. If they are both off tonight, how many nights will it be before they are both off again?

Functions

What's the best way to solve functions? I can do basic ones, but have trouble with the harder ones. I'm having trouble with the following: Inputs x 1, 2, 3, ? Outputs y 0, 2, 6, ? I have tried everything and can't come up with the equation. Please help! Also, if you have any ...

7th grade math

In 2004, about 14 percent of the estimated total population of the United States was found to be Hispanic. At that time about 1/25 of the Hispanic Population was Cuban, and about 2/3 of the Cuban population lived in Florida. What fraction of the total U.S. population was Cuban...

math

solve the compound inequalities as demostrated being careful of how a negative x- term is handled in the solving process show all math work arriving at the solutions display a simple line qraph for each solution set as demostrated. -1<3+2x<11 (Your and compound ...

Math

Could someone simplify this? (3a)(3a)^3 The "^" is an exponent, so it means "cubed" or "to the third power" in this case. its means to the third power I know that. -_- I need to simplify that monomial. (3a)(3a)^3 (3a)(3a)^3 = (3a)^4 = (3^4)*(a)^4 = 81a^4 could you help me get ...

math

Imelda, susan and clara are driving go carts around a track. Imelda takes 14 min, susan takes 9 min and clara takes 10 min to drive one lap. suppose all three of them start together at a point and drive at their same speeds. after how many minutes would all three meet again?

algebra3

can u solve the equation 1)1.2x= 2.3x-2.2 2)[x-4]= 15 3)[13+2x]= 5 1) 1.2x = 2.3x - 2.2 2.2 = 2.3x - 1.2x 2.2 = 1.1x x = 2 2) x - 4 = 15 x = 15 + 4 x = 19 3) 13 + 2x = 5 2x = 5 - 13 2x = -8 x = -8/2 x = -4 it's all about getting the same variables to the same side of the ...

Algebra2

The area of a square garden in square feet is 49x^2-14x+1. Find the dimensions of the garden in terms of x. x^2=49x^2-14x+1 Then solve for x. 48x^2-14x + 1=0 (8x-1)(6x-1)=0 and solve for two values of x that are possible.

Science again...

what is going to be the same about frozen water and room temp. water? A. State of Matter B. Temperature C. Boiling Point D. Physical Properties The bp will be the same...

ms.sue

Can i bother again to see if you can help me set up my paper so i can know what i should talk about in each paragraph so i do not loose myself. And hints towards what to talk about. In the previous postage.

Chemistry

Hello! It's me again. How do I calculate % ionization for a.) .50M HONH2 Kb = 1.1e-8 b.) .10M CH3NH2 kB = 4.38e-4 What is [OH-] and pH of these solutions a.) 0.090M NaOH and 0.090M LiOH b.) 0.050M Ba(OH)2 and 0.050M RbOH

word problem

2. The excursion boat Holiday travels 35km upstream and then back again in 4h 48min. If the speed of the Holiday in still water is 15km/h, what is the speed of the current?

English

1. When was Wima born? - She was born in 1940. 2. How many miles was the hospital away from Wilma's home? - It was about 50 miles away from her home. 3. When did Wilma get a bronze medal at the Melbourn Olympics? - She got a bronze medal in 1956. 4. When did Wilma retire from ...

trigonometry (repost) Mathmate

I want to start by saying thank you . You have no idea how much u have helped me understand logarithms, even better then the books i have (it poorly explains the subject of trigonometry let alone logarithms and antilog). Your last explanation was very clear and i even ...

English

Examples of Assonance ...An wondering what the bravest of warriors could do. And sometimes they sacrificed to the old stone gods, made heathen vows, hopping for Hell's support... ...and again twisted gold, heaped-up treasure, will reward you for the battle you win!

Math Help plz!!! Really need help.

Use the Systematic Trial to solve this problem. Peanut-Pecan Problem Peanuts sell at $5/kg and pecans sell at $20/kg. Marika wants to make 30kg of a mixture of peanuts and pecans that will s ell at $10/kg/ How many kilograms of peanuts and pecans should she use? Help plz. Plz ...

Math

Lani, Sue, and Jill begin jogging around a quarter-mile track at the same time. Lani takes 2 minutes to complete each lap, Sue takes 3 minutes and Jill takes 4 minutes. How long will they have been jogging when they first meet up again at the point where they began? How many ...

Algebra 1

1). Last week, the ratio of laptops to desktops sold at a computer store was 2:3. Eighteen desktop models were sold. How many laptop models were sold? A: 12 laptop models were sold. 2). Find the unite rate: twenty-six crackers contain 150 Calories. A: 6 3). Solve the ...

bobpursley, math,correction

Let n be a postive integer, then n+1 is the next integer. sum the squares of those noumbers: n^2 + n^2 + 2n +1=85 solve for n. so this is what i did. n^2+2n+1=85 n^2+2n=85-1 n^2+2n=84 n=7056+4n

Math - Functions

For the real valued functions f(x) - |x| - 4 and g(x) = sqrt(5 - x) Find the composition of f o g and the domain in interval notation. Can someone help me solve this?

math cont'd

how would you solve this equation? the measurement of a triangle is 2m more than the base. The area is 17.5m^2. Find the length of the base.

math

Solve this system 10x+2y=7,y=-5x+3 by addition or substitution. If a unique solution does not exist state if the system is dependent or inconsistent.

Math

Ok, I'm lost on this.... The equation D=1.2 gives the distance, D in miles that a person can see to the horizon from a height h in feet. Solve this equation for h

math

Rationalize the denminator in the expression: 1/(1+(sqrt of 3)-(sqrt of 5)) and thenn... A=2PIr^2 + 2PIrh *solve for positive r **PI is equal to 3.14etc.

Math

solve [(root125)^4]^1/6. so far, I got (6 root root 125)^25 is this correct? Where do I go from here? how can I get rid of two roots?

Math Algebra check please

Solve w= (va)/(r^2+a^2) for a. I applied the quadratic formula a= (v/w +- sqrt (v^2/w^2 - 4*(-wr^2)) /2 and I have the answer as a= (v+/- sqrt[v^2+4w^2r^2]/w is this right?

math

solve for 0=/<x<2pi 6sin^2x + sinx - 1 = 0 Ahh, forgot how to factor. 3cos^2 - 2cos - 1 = 0 (3cosx + 1 )(cosx - 1) cosx= -1/3, 1 x=0, and .....?

math

solve algebraically, express the roots in exact form 2sinxcosx-1=0 I got: 2sinxcosx=1 sin^2x=1 what do I do next? thanks in advance

Math

Solve the polynomial equation, to obtain the first root. x^3+7x^2+19x+13 and 2x^4-19x^3+74x^2-127x=0 I don't know how to start these, or finish them

Math

A cube has a surface area of 126 square feet. What is the area of one faces? -How do you solve this type of problems?

8th grade Algebra I (junior level math)

How do i solve proportions? step by step answers plz!!!! EXAMPLE! g/5 = 6/10

math

here this is all about unit rates 16 oz of spaghetti for $0.50 i know how to solve it i get 0.03125 but you cant have 0.03125 cents that's no possible??

Math

How do you solve 4-5x=3+x? I've been able to do other problems like this, but I can't get this one. The way I did it, was like 4-5x=3+x 4-4x=3 but then I get stuck? the book says it's 1/6

Advanced Math

Solve 3-3 csc x = 17 for (theta) is less than or equal to x is less than 2(pi); give answer to the nearest 100th of a radian

Math

Find the vertex of F(x) by using the formula for the x-coordinate of the vertex. F(x)= 4x^2 - 3x - 6 I don't exactly understand this question. could someone clear it up and help me solve it? Thanks!!

Math

there is $175,000 to award. If the money is awarded to 4 students in a ratio of 1 to 2 to 3 to 4, how much will the largest award be? How would I solve this ?

MATH PLEASE HELP

x = 2 , 4 , 6 , 8 y = 18, 34, 50, 66 This is supposed to be a table where the x lines up with the y in order How would I find the equation to solve this when x = 20? x goes up by +2 y goes up by +16 but starts with 18

Math

What do you get when you solve this equation where t = time in hours log t = (0.576 log (72/526) -0.176 Would it matter if t were in minutes? Thank you

Math

A does 20% less work than B .If a complete a piece of work in 7& 1/2 hours then B can do it in options- 5,5&1/2,6,6&1/2 plz solve without using x and y method

Math

solve equation in interval. sec x = -3 -¦Ð ¡Ü x < ¦Ð the answer is x = -1.911 and 1.911 could someone please write the steps to solving this

math

Solve the equation. (Enter solutions from smallest to largest. If there is no solution, enter NONE in the answer boxes.) 5x2 = 9x + 2

Math

The equation V=1/3 Bh gives the volume V of a pyramid, where B is the area of the base and h is the height. Solve this equation for B. Please help me and show your work thanks

math

Given the formula A = ðr2, find the area (A), of a circle whose radius is 34,500,000,000 m. how do you solve?

Math(Please help)

0.0412 = 0.0015 - x / 0.025 + 1/2x Solve for x. 0.0412 = 0.015-x / 0.525x I am not sure where to go from here since there are two x's.

math need help urgent

find the domain f(x)=x/x-8,g(x)=-7/x solve the following exponential equation equation exact answers only 3e x-1 = 2+e^x-1

math need help urgent

find the domain f(x)=x/x-8,g(x)=-7/x solve the following exponential equation equation exact answers only 3e x-1 = 2+e^x-1

Math

David wanted to solve 3(x-7)=5. As a first step, he wrote 3x-21=15. What error did he make? Correct his error and then find the solution?

math

Solve the equation. (Find only the real solutions.) x2 - x - 2 = 0 they also said there is a smaller value and a larger value ??

Math- Negative and Zero Exponents

Please show step-by-step how I am supposed to solve these types of problems. 1. 4ab^0 2. 5x^-4 3. (3x^-2)/y

MATH

Ella ordered 16 pizzas for a p. After the party,, there were 3 5/8 pizzas left. How much pizza was eaten? solve the problem

College Math

Alberta adds 9 songs to her mp3 player every mont. After 5 months she has 55 songs solve for y

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