math..solve for u again

156,818 results, page 63

Math stem question

The main span of a suspension bridge is the roadway between the bridge's towers. The main span of the Walt Whitman Bridge in Philadelphia is 2000 feet long. This is 600 feet longer than two-fifths of the length of the main span of the George Washington Bridge in New York City...

algebra

solve and check the equation for x. I just can not figure this out. 5/x+6 + 2/x^2+7x+6 = 3/x+1 Thanks! Use parentheses to tell us whether you mean 2/(x^2 + 7x + 6) or 2/x^2 +7x +6 and also whether you mean (3/x) + 1 or 3/(x+1) and also (5/x)+6 or 5/(x+6) also go to myalgebra ...

Math. Plz walk me though

A picture of the Sun has 12 identically matched points. Suppose you line up two suns directly on top of each other. What is the least number of degrees that you can rotate the top sun so that so the two Suns are perfectly aligned again. Can someone please explain how this may ...

Physics

Two thin slits with separation of .0250mm are placed over monochromatic orange laser light at 610.nm. What is the small angle measurement from the central maximum (zero degrees, inline with the source) to the first maximum? I thought in order to solve this is would be sin^-1(y...

math

1Approximately 5 out of every 8 students at Kendra's college live on campus. The college has 5,000 students. How many of them live on campus?=3,125 students 2. Solve for the unknown: 2/3/10=1.8/r=27 3. Find the best buy on cashews (1 lb is 16 oz).1 lb 4 oz for $7.09 4. A ...

chem

i had posted this question about a week ago and had gotten help from bobpursley(thank you so much btw) but i was showed how to do it using an equationa and now when im studying for the test i realize i need to be able to make a conversion factor to solve it. so heres the ...

English

What did the SS say to Jews as they were taken from their homes? I want to start my report from the time I was taken from my home and I want to use German words to make it seem as if I really was a Jew during the holocaust. Thanks again for the help?

English

Hello again. Thanks for help. Could you please help me with one more sentence: British troops will withdraw from (leave)the country by 2011 OR will have withdrawn (will have left)? Maybe, both? Thank you very much.

Algebra 1

find slope 2x-20y+18=0 I've been braking my head and I just can't find the solution. Can you please help me. I would really appreciate your help. Thank you so very much. I now it's m= something, but I don't know what the answer is. Thanks, again!

Algebra 1

find slope 2x-20y+18=0 I've been braking my head and I just can't find the solution. Can you please help me. I would really appreciate your help. Thank you so very much. I now it's m= something, but I don't know what the answer is. Thanks, again!

Algebra 1

find slope 2x-20y+18=0 I've been braking my head and I just can't find the solution. Can you please help me. I would really appreciate your help. Thank you so very much. I now it's m= something, but I don't know what the answer is. Thanks, again!

TO MS.SUE

now check this. THERE ONCE WAS A CLASS NAMED 210 THEY KEPT TALKING AND TALKING AGAIN MRS.BESDEN CAME INSIDE AND ALL THEIR EYES WERE OPENED WIDE AND THERE WAS SILENCE THEN

English

Can you please help check the sentence again. I forgot to include the verb. If you want, you can help me write a short description of your school including the summer courses and the students' mobility opportunities your school offers.

to your reply, please check again

that should of said Zero: 5 - 3 i for the one that stated use the given zero to find the remaining zeros of the function h(x)=x^4-15x^3+60x^2+70x-816

English

Identify the excerpt that uses foreshadowing. A.) "They're spoiled and we're spoiled." B.) "I have a feeling it'll be Africa again before then." C.) "Wendy and Peter aren't in their rooms." D.) "They're not old enough to do that alone, I explained." I think it is B. Thank You.

Calc Help Please Again Last one!

Write out the form of the partial fraction decomposition of the function appearing in the integral: integral (6x-58)/(x^2+2x-63) Determine the numerical values of the coefficients, A and B, where A <= B A=? B=? Thank you guys so much! =)

Algebra ASAP (Please helpeth this lost soul)

Simplify (2sqrt(5)+3sqrt(7))^2 ~~~ Can you show the steps. I want to learn how to do it now so I won't have to pester y'all again with my feeble algebra questions :3

Substitution Method!PLZ HELP 2222!!

y-2x=-5 3y-x=5 In the top equation: 1) y=2x -5 Put that in the second equation 3( ) -x =5 solve for x, then put that value of x back in to 1) to solve for y. So would it be: 3(2x-5)=5? would it?PLz help me bob and margie!

Solving inequalities

I have to solve the following inequalities: x^2 + y^2 is less than or equal to 49 y is less than or equal to 3-x^2 I know that these are the equations of a circle and a parable. There should be 3 solutions. However, I am not sure how to solve these equations. CAn you help? ...

math - discrete math

A vending machine dispensing books of stamps accepts only one-dollar coins, $1 bills, and $5 bills. How many ways are there to deposit $10 for a book of stamps? Note: I have the answer but do not know how to solve for it. Answer: 1,217

shakespeare again

sorry i have one more that i cant figure out. "take thou soem new infection to thy eye,/ and the rank poison of the old will die. please help i already did like 10 but these are the ones i don't get

ELA

Which of the following is a simple sentence? A.Dawn mounted the stage slowly B.As she stepped in front of the podium,her legs were trembling. C.She was a talented speaker,and she greatly admired Dr.King. D.When she looked up again,her brother grinned and winked.

Physics

A ball is thrown straight up at an initial speed of 24 m/s. How long did it take to reach maximum height? How high did it rise before falling again? I am confused on how to attempt this problem. Please provide me with some guidance:)

algebra

when you are given two equations which are both true,and you are asked to solve for both x and y.you plan to solve this set of equations by substituting part of one equation into the other so you end up with an equation that contains only x's or only y's .what is the first ...

geometry

If you make a glass in the shape of a right circular cone (think martini glass) how wide would the glass be if it is 4 inches tall and again holds 12 oz. Does not specify what the 12 oz are

economics

The demand function for a well known economics textbook is: P = 100 - .005Q The publisher must pay $20 per book in printing and distribution costs and, in addition, it must pay the author a $20 royalty for each book sold. (a) Your job is to provide advice to the publisher. ...

Algebra

Jodie bicycles 5 km/h faster than Robert. In the same time it takes Robert to bicycle 39 km, Jodie can bicycle 54 km. How fast does each bicyclist travel? I was out of school last week with the flu, and I am trying to do this makeup work but I have no idea how to solve this. I...

Parabolas in standard form!

Hello, I am having the worst time trying to solve these parabolas and putting them into x-h = a(y-k)^2 form. :( There are two problems that i keep doing something wrong. could someone solve them so I can have a set up for the rest of my problems? :) 3y^2+6y+108x-969=0 and x^2+...

Intermediate Algebra

solve equation (x+1)(x-2)=54 Eric stated that the solution would be (x+1)=54==> x=53 or (x-2)=54==> x=56 However at least one of these solutions fails to work when substituted back in the orginial equation. Why is that? Please help Eric to understand better, solve the ...

Chemistry

Hi! My name's Isabow! can someone please help with this question? Thanks in advance :3 <3 <3 <3 If it requires 23.4 milliliters of 0.65 molar barium hydroxide to neutralize 42.5 milliliters of nitric acid, solve for the molarity of the nitric acid solution. Show all ...

math,help

I did the revision for this one i posted before but i don't seem to find my error... Multiply. (x-8)^2 this is what i did to solve. (x-8)(x-8) then I foiled x^2-8x-8x+64 then i combined like terms x^2-16x+64 correct

math

solve the following system of equations algebraically or graphically for x and y: y=xsquare-6x+6 y-x=-4 For an algebraicc solution, show your work here. y=x^2-6x+6 y-x= -4 Let's substitute x-4 for y in the first equation. x-4 = x^2-6x+6 x^2 -7x + 10 = 0 (x-5)(x-2) = 0 x = 5 or...

Math

i have a couple questions what are the least common multiples of these number sets (30,65) (66,55,44) (29,58,4)(20,55)(180,252) and 21,16 then i need someone to solve these inequalitys x-7<-8 3t<15 3w>30 4n+8<24 6y+1<19 2r-8>6 b-5>-2 2y+1<-5 4x-6>-10...

Math 116 algebra please check

Solve 0.3x + 8 < 1.1x-9 The solution is x > 85/7 The problem with the greater than sign has a line under it but I can get it to work correctly from my word document

Math

Suppose M is between L and N. Use the Segment Addition Postulate to solve for the variable. Then fine the lenghts of LM, MN, and LN. LM=7y+9 MN=3y+4 LN=143 Please tell me how you got your answers.

Math

Solve the inequality: absolute value of x+is greater than or = to1. What form do you put it in? I missed class, and would appreciate someone telling me how to do this problem. Thanks!

Algebra

I have a math CRCT test today and I needed some help on a last minute review problem. Can someone please explain how to solve this? 1. 12x-3+6x-2=31 -MC

math

Solve X + 1/x – 2 ≥ 3 I know you have to subtract the 3 from both sides to get the zero on right of the inequality sign. I don't understand how to make one fraction after I do this.

Math

simplify 35xy/42x= type an integer or fraction. solve using the multiplication principle. don't forget to perform a check. 12x=-96 the solutionis x= thanks

Math 1

Without finding the exact answer, select which of the following numbers is the best estimate of each sum or difference of 2/3, 0, or 2/3. of the problem 1/9 + 2/5 - 1/3 - 3/4. How would you solve this as an estimation?

Math

What are the odds in favor of getting at least one head in three successive flips of a coin? Can someone help me figure out how to solve this, please?

Math

I cannot figure this out I keep getting the order pair(1.24,-3.44), but it does not work when I check. Can you help me? 5x+5y=-11 7x-3y=19 The other oneI needed to solve is this Question: 4y+3y<-35 I got -5>-35...is that right?

math

I need help! Solve by the elimination method: 7r-9s=-12 9r+7s=96 When I do this, I get a crazy fraction, and I know the answer is a point. (r,s) But what I'm getting is ridiculous. I got -564/130=s! That has to be totally wrong!

Math 111

Solve the equation by the square root property. If possible, simplify radicals or rationalize denominators. Express imaginary solutions in the form a+bi. [X+ 2/3]^2=10/9

Math

Simplify. 1.(-15xy^4)(-1/3xy3) Is the answer for number 1 = -15x^6y^1?Thanks Express the area of each figure as a monomial. 1.A circle with the radius of 5x^3. how would I solve this problem?

Math

solve the system of linear equations using the addition method. Can you please show me the steps on how you reached the answer. Thank You 2x+20y= -144 12x+5y= 56

Advanced Math

Could someone help me with those two questions. I need to know how to do them without calculator solve for the interval [0,2pie] 1) cos^2*x-cos2x=0 2) tan(x/2)-sinx=0

12th grade - Math

Explain. 1.) To solve x(x-5)=0 either factor may be equal to zero. 2.) | 8-15i | = 17 3.) The solution for x^2 = -2 cannot be found graphically. [any help or explanation is greatly appreciated]

math

Bob makes 5.5% commision selling eletronics. How much commission dose she make if she sells a flat-screen TV for %10,000? how would i solve this?

5th math

jim can pack a bag of groceries in 6 seconds how many can be packed in 15min solve as a fraction division problem to answer the question? Would it be 25?

3rd grade math

use the digits 0 2 4 5 6 and 8 to write two money amounts that you can subtract by trading one dime for ten pennies. Then solve

math

help! im just a seventh grader! i need a problem made up for me about how to solve the surface area of a Dodecahedron so i can help see if my theory is right or wrong!

Math

Solve for all possible values of x where O°≤x360°. sin x=2/3. I do not understand these types of questions please answer in as much detail as you can so I can do them myself.

Math

Write the standard form of the equation for the circle that passes through the points (2, 6), (-4, 6), and (-4, -2). Then identify the center and radius. So far I got 2D+6E+F+40 -4D+6E+F+52 -4D-2E+F-20 IS this correct> and how do I solve it?

math

use the formula nPr to solve how many arrangements can be made using four of the letters of the word COMBINE if no letter is to be used more than once?

Math C30 ( trig )

Solve : cosxtanx + root3cosx - root3/2tanx - 3/2 = 0 Give exact answers and formula for the general solution as well as the specific solutions.. Help

math

Use your graphing calculator to find how many seconds before the projectile hits the ground. Let y1 = −16t2 + 800t, or factor and solve for t algebraically

Math

x^3-6x^2+17x Find the point of inflection of the graph of the function? x,y ( , ) I tried to solve for it by getting the 1st derivative and setting it equal to 0 but i get sqrt,so am confused!

math

A dozer is traveling at 5 miles per hour. How many seconds will it take to travel 160 feet? I have to solve this by the dimensional analysis method.

math

How do you solve 6(cos^2)x+cosx=1 I need it in the form that's like (x+x)(x+x) so that I can set them equal to zero and find the answers. Please show all of the steps.

math

How do you solve 6(cos^2)x+cosx=1 I need it in the form that's like (x+x)(x+x) so that I can set them equal to zero and find the answers. Please show all of the steps.

Pre-Calc/Math

Use factoring, the quadratic formula, or identities to solve cos(x)+1=sin^(2)x. Find all solutions on the interval [0, 2pi)

math 1

Pls solve this using one variable: The difference bet 2 numbers is 3. The sum of thrice the smaller and the larger is 35. Find the original number.

math ALG 2!

Find three consecutive integers such that the sum of the second and the third is 17. Which equation would be used to solve this word problem? a.) x + (x + 1) + (x + 2) = 17 b.)(x + 1) + (x + 2) = 17 c.)x + (x + 2) + (x + 4) = 17 d.) 2(x + 2) + 3(x + 4) = 17

Math

Solve the following problem and convert to lowest terms (mixed number). 6 ⅚ – 17/18 (six and five sixths minus seventeen eighteenths)

Math

Solve the following problem and convert to lowest terms (mixed number). 6 ⅚ – 17/18 (six and five sixths minus seventeen eighteenths)

Math/physics

An 6 x 8 wood column is 17 feet tall and is loaded with 40 Kips. Will it buckle (K = 1.0)? How do I set this up and solve? Please show steps. I am confused and do not know how to start. Thank you.

Math grade 9 and up

let s and w represent positive integers where x,y satisfy x/s+y/w=1 and s/x+w/y=4, find x+y in terms of s and w It's really hard even for the teachers it took them a while. So I I was wondering how to solve it

math grade 8 please help!!!

1/5 of 10% of 200g how would i solve this plz explain!! (one over five of ten percent of two-hundred grams)

MATH

I still don't know how to completely solve systems by substitution. Can someone please help me? 1. Y=-11+x 3x+10y=-6 How would you know where to plug in the right section of the equation in a certain place? 2. Y =6x-5 Y =-x+9

Math

Could someone help with this problem, I have tried numerous of times to solve it. Thank you. Achieve $225,500 at 8.55% compounded continuously for 8 years, 125 days.

Math

Tyler earns 7$ an hour mowing lawns. Write and solve an inequality that he can use to find at least how many hours he has to work to earn 100$

Math

Find the equation of the line of intersection of the two plane given by x+y+z=5 and 4x+y+2z=15 Pls help me to solve this.. After i use cross product i got (1,2,-3)..Then what should i do?

Math

Find the standard equation of the circle concentric with x^2+y^2-12x-10y = -12 and has a diameter of 10. I have been trying to solve this all day, can you please help me :(

Math

Calculate the sum of the infinite series 72 + 60 + 50 + 125/3 + ... 489 432 360 307 Can someone please help me with this one? I can never solve these on my own:(

Please help (MATH)

If two fair dice are rolled, what is the probability that a total showing is either even or less than eight? How would I solve this question? What are the steps? Thanks

Math

How you do multiplication as scaling like 2 1/2 x 3 2/3 3 2/3 I suppose to say if it is <, >, or = Can someone explain how to solve this problem I need to learn how to do it because my daughter is having trouble getting it and I don't know how to do it

Math (pre-calc)

log2(log4x) = 1 Solve the equation The bases are 2 and 4 respectively, I'm just not sure how to signify that on the keyboard. Thank you so much, help is really appreciated.

Physics Urgent!!!

The 1994 Winter Olympics included the aerials competition in skiing. In this event skiers speed down a ramp that slopes sharply upward at the end. The sharp upward slope launches them into the air, where they perform acrobatic maneuvers. In the women's competition, the end of ...

math

The manager turns the restaurants two neon signs on at the same time both signs blink as theyaare turned on. One sign blinks every 9 seconds and one sign blinks every firfteen seconds. How many seconds will they both blink together again?

checking answers 4 algerbra

1. simplify by removing the parenthses and collecting like terms. 83q - (39q-38)=44q+38? 2. solve for y---z=ym answer y=z/m? 3. divide if possible -6/"over" 17 divided by (-5/"over"17)=undefined? 4. translate to algerbirc expression the sum of c and n= c+n? 5.one day the ...

Math PLEASE HELP ASAP

I really don't know how to do this, need as soon as possible. Please help! A rabbit population satis es the logistic equation dy dt = 2x10^-7y(10^6- y); where t is the time measured in months. The population is suddenly reduced to 40% of its steady state size by myxamatosis. ...

math

3(4u-6)=2(4u-3)-(u-8) what is u 12u-18=8u-6-u+8 Can you take it from here? so I would have combine like terms then add right? what about 3(n-2)-2(3-n)=4(n-3) same thing...use distributive property to multiply, do the operations, solve for n give it a try... u could be "any" ...

Belinda, Math

Thank you I did figure it out i think: so the problem was ((w)-(1)/(4))^2 The final answer that i got was w^2-(1)/(2)w+ (1)/(16) Sorry, no again. :) Make sure you really look at how to multiply binomials and FOIL them out. It will come back to haunt you. a lot. These are the ...

writing

... Is this a correct Compound Predicate? She washed the shells and dried them in the sun. Thank You again Yes, this sentence has a compound predicate. Congrats!! =)

physics

A ball is launched from ground level at 31.8 m/s at an angle of 35° above the horizontal. How far does it go before it is at ground level again? A) 14 m B) 21 m C) 43 m D) 86 m E) 97 m

Math Help! Someone please help?:)

1. The sides of a square are increased by a scale of 6. The perimeter of the small square is 10ft. What is the perimeter of the larger sqaure? 2.5 ft, 10 ft, 60 ft, 120 ft 2. A map of Utah has a scale of 1 cm:30 mi. The boarder of Utah and Wyoming measures about 3.7 cm. How ...

business and finance

An eletronics store wants to order at least 3 times as many DVD players as VHS players. Write an inequality expressing this relationship. Define the variable you use. I have no idea on how to solve this. Can somebody show me how to solve this problem? DVD players > 3*VHS ...

Alg 2

Today we learned how to solve systems of equations with 3 variables, however my teacher didn't go over how to do a problem where not every single equation in the system has the 3 variables. Can someone point me to a place that explains this? the kind of problem im talking ...

Pre-Calculus

Use applications of exponential functions and logarithmic functions to solve. The half-life of plutonium 241 is 14.4 years.If 100 grams is present now, How much will it take to reach 2 grams of plutonium 241? y=a(1/2)^(t/14.4) How do I solve for t? I'm not sure where to even ...

Math

1. Which ordered pair is a solution of the equation y = −11x + 4? a. (0, -7) b. (-1, -7) c. (1, -7) d. (2, 26) MY ANSWER: C Because (X,Y) so -11x = -11 * 1 = -11 -11 + 4 = -7 2. A plumber charges $65 per hour to fix a leak. What is an equation that relates the total cost of ...

Mergers and Acquisitions

Why did M & A activity decrease in the late 1980s and early 1990s? Why did M & A activity increase again in the latter part of the 1990s?

Physics

A radar sends out a sound wave of 1.50 Mhz and senses it again from a moving car at a 1.40 Mhz. What is the speed of the car ?

maths(percentage)

the annual salary of a clerk in 1998 was rs.10800. It was increased by15% in 1989 and again by 15% in 1990. What was his salary in 1990

CAPITALIZATION

we listened to that old song again, "you and me against the world." the words need to be capitalized is We, You, Me, Against, World.

The Pigman

In the book the pigman who said "Actually i hate school, but then again most of the time i hate everything."

chemistry again

If you are given V1=410 ml T1= 27 C= 300 K P1= 740 mm Find V2 in ml at STP When given STP= 273K and 1 atm

trigonometry

Simplify and write in standard form. 1.) (radical 3 + i radical 15)(radical 3 - i radical 15) 2.) 8 + 16i / 2i Thanks again everyone. Any help is appreciated.

algebra

Solve system of equations to model the problem then solve: The length of a rectangle is 7 inches more than the width. The perimeter is 34 inches. Find the length and the width of the rectangle.

algebra

Solve system of equations to model the problem then solve: The length of a rectangle is 7 inches more than the width. The perimeter is 34 inches. Find the length and the width of the rectangle.

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