# Math(Please help)

181,141 results, page 50

### 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

### Math check answer please

Amy paid $60.12 for a pair of running shoes that were 15% off. What was the regular price. I am coming up with 69.14 (round to nearest cent)

### math

x/3+2=x/6 In solving this problem do I divide 3 from both sides are what. I am a bit lost. please show me the steps so I can see if I am right or wrong in my calculations. Thanks you in advance.

### Math(Please check)

Translate the following sentence into a mathematical equation: "The area, A, of a circle is the product of the number pi and the square of the radius, r." A=pi X r^2 Is this correct?

### math(Please check)

Find the real solutions of the equation: 14x^2 - 5x^2 - 1 = 0 I know that you have to use au^2 + bu +c = 0 so u^2 - 5x -1 which is prime. So would the answer be that the solution is the empty set?

### 3rd math homework

I need help on one more question please write a fact family with a sum of 17. explain how you picked the addends. thanks so much

### 4th grade math

how can thinking about 90 tens help you with 1901-297? the last posted answer was no correct...it came home marked WRONG...please help!!??

### math

put these in order from least to greatest. 0.145,0.15,0.155,0.1 1/12,0.12,1/20,0.20,1/6,0.6,0.06,0.16 Can someone please help me somehow a tip would be more useful than the answer though

### Math

Explain how you can tell (without graphing it) that the rational function r(x)= x^6 +10 / x^4+8x^2+15 has no x intercept and no horizontal, vertical, or slant asymptote. What is its end behaviour? Please help? thankq

### 5 th grade math

what is the mean for the following number? 40,60,55,45,100 ?______ what is the lest Common Multiple (LCM)for 6 and 12 ?_______ please! help me i got stuck with this today!! thank you.

### MATH grade 12

Determine the values of a M and N , so that the polynomial 2x^3+mx^2+nx-3 and X^3-3mx^2+2nx+4 are both divisible by x-2. I am so lost, i do not know how to start this problem! please help i have a test soon!

### Discrete Math

isisDOTpolyDOTedu/courses/discretemath/problemsDOTpdf Link is above can you please take a look? Specifically #21 on pg. 345. [There are 900 3DN], I need help with g-h. Thank you.

### Math puzzle

how would you go about solving this ive tryed everything. 2*2+7*3+4*3+3+4+3*2=? 231 is incorrect ty for tryin Ruby still need answer please n e 1

### 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

Suppose you see a car with an advertised price of $28,450 at $594.60 per month for 5 years. What is the amount of interest paid? $7226? please help

### math calculus module 4

in this question paranthases are correct,just in this 10 has power 4.please i neede this early.its frm combination and permutation of probability. 10^4C(25,5) ____________ 7!P(30,4)

### math

A rectangle has a perimeter of 12m. if each side is a whole number of meters, what are the possible dimensions for the length and width? List them and please explain your answer.

### Math

Find the absolute extrema of the function on the closed interval. f (x) = x^3 − 12x, [0, 4] minimum (x, y) =( ) maximum (x, y) = ( ) I can't even give a setup cause I am lost please help!

### MATH

How many positive integers in the set {50, 51,, . . . , 298, 299} do not contain any even digits? If you do not mind please explain the steps along the way in detail. Thank you

### math

Please can you Use an example to explain whether multiplying the same number to each value in the data set will affect its variance, give the relationship

### Math - Urgent!!!

Write the equation of the hyperbola for which the length of the transverse axis is 6 units long anf the foci are at (0,5) and (0,-5). Someone please help me with this question. Thanks in advance.

### 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.

### math

Two questions 1; what does 2n mean? 2:By accident I posted my question as an answer can you tell me a way to delete it. Please make sure that Ms.Sue answers this thank you.

### Math

Can somebody give me three examples of opposites? Kinda like night and day, north and south, just not those. Please? Thank ya, I'd appreciate it.

### Math

Hi, can you help me please with this: translate the following sentence into equation: Two numbers have a sum of 20, which is the the product of one number and the square of the other is 50. Thanks

### math

will someone check to see if I have this question correct please. divide and simiplify to lowest terms. __2x^2-8_ divided by __x-4__ 5x-8 5x-8

### math

Can you please explain this to me and how you got the answer ~ Jasmin is solving the equation below X^2-10x=9 what should she add to both sides to complete the square

### 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 PLEASE HELP FAST!

Use Compatible Numbers. 5,172/74= 1,891/32= 6,301/81= 5,232/5= 366/6= 19,008/64= 2,622/67= 461/91= 7,952/42= 2,759/30=

### 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

Good day please help.Iam struggling with number patterns,i must fid the rule and also give the nextthree numbers in the sequence. 31;30;27,22;15

### Math

5x^2-10x+d=0 Determine an integer value for d such that the equation has rational, non zero roots Please show me the steps and how to answer this question :) thanks:)

### math

use the appropriate formula to find the amount for the investment. For (a) and (b) please round the answer to the nearest cent. $13,600 for 5 years at 4.5% compounded semiannually.

### math

use the appropriate formula to find the amount for the investment. For (a) and (b) please round the answer to the nearest cent. $13,600 for 5 years at 4.5% compounded semiannually.

### math - pls check!!!

29) 4k - 1 >= -3 30) 6(c - 1) < -18 31) 3t > 5t + 12 32) -6/7y - 6 >= 42 33) 4 + x/2 > 2x 34) 3x + 5 <= 2x -8 35) 13.5a + 7.4 <= 85.7 36) 42w > 2(w +7) ANSWERS: 29) k >= -2 30) c < -12 31) t < -6 32) y <= -56 33) x < 8/3 34) x <= -13 ...

### math

which ordered pair is a solution to the equation y = 3x + 4. I just can't figure it out. I have been working on this problem for over an hour. Please help me with the steps

### math

Write the slope-intercept (y = mx + b) form of the equation from the information given. 3. The line goes through the points (8,5) and (9, 6) ~ Can someone please help me? I really don't know how to do this one

### math please tutor Maddie

What is the least possible value of the expression if two of the values 1, 2, 4, and 8 are substituted in any order for the variables x and y? 1/9^x÷9^y=9^z Enter a power of 9 in the box.

### Math (Elementary Algebra)

What is the value of the expression 2x^2 + 3xy - 4y^2 when x = 2 and y = -4 ? Please help this is for my accuplacer. If you could show your work explaining how you got the answer that would be awesome. Thank you in advance

### Math

Find the probability of the following event: tossing a coin heads up or rolling a 3 with a number cube. I got: 1/2+1/6 = 2/3 but the right answer is 7/12. I don't understand how to get 7/12. Please help.

### math

Find the probability of the following event: tossing a coin heads up or rolling a 3 with a number cube. I got: 1/2+1/6 = 2/3 but the right answer is 7/12. I don't understand how to get 7/12. Please help.

### Math

What is the probability that washing dishes tonight will take me between 11 and 14 minutes? Give your answer accurate to two decimal places. please help out

### math

Determine the volume of perfume that would fit into each container. Show calculations to support your answer cylinder h=12.4cm r=6.2cm please help

### Please help immediately! Math

Find the surface area when a hexagonal prism 6t tall with a regular base measuring 9ft on each and an apothegm of length 7.8ft.

### 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, please help

So this is a "Challenge" (we don't have to do it but my mum is making me) we haven't learned it, it's only if you want to do anything harder or more difficult. 1.explain why the ratios 6/9 and 8/12 are in proportion

### Math

Find the compound interest on rs 64,000 for 1 year at the rate of 10% per anum compounded quarterly. Could you please do it fast I need to give it tomorrow.

### Math (please check my answer)

Write a proof for the following. I have 2 answers but I don't know what the other 2 would be? Can anyone help?i68.tinypic(.)com/k2nw9.jpg

### 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

The store usually sells the baskets of fruit for 15 dollars but today they have a 5% discount which is the new price. Please help me i am totally confused on what is going on.

### Math

What is the area of a rhombus with: Side=8 cm Acute angle between one pair of sides=30 degrees Please don't use trigonometry as I'm in Class 7. Thanks in advance.

### Can anyone check this? - Math(integration)

The question can be found at display.cgi?id=1501575066 I can't post website addresses. Please add the site name to the front. Thank you!

### math

John's account of 98.50 has been delinquent for 3 months. After 90 days office charges a 2% service charge, compounded monthly that is added to future bills. What would be the amount owed after 9 months? My math is 98.50 x 0.02 = 1.97 1.97 x 12 months = 23.64. Take 3 months ...

### Language Arts

8th grade language arts help. Please I need help with this I don't understand these questions. Can you please explain these concepts to me and let me know if my answer is correct? Identify the italicized word or words in each sentence. The ITALICIZED words are in CAPS 1. GOING...

### math

can u please help me with this math problem. i don't get how to do this question. Mrs. Mabie has a rectangle swimming pool that measures 25 feet by 14 feet. She wants to have a cement walkway installed around the perimeter of the pool. The combined area of the pool and walkway...

### Science (Cont.)

Can anyone please answer my science question???? PLEASE!! if nobody on here is answering, try doing a little research on other websites i need some help on my homework

### drwl / bobpursley please check

I had posted three questions at 1:48pm, 2:40pm and 2:41pm and I am having problems with them. Can you please check them for me. Thanks! Repost if you are not satisified with the responses.

### Algebra-- PLEASE help!

(x+3/4)^2 = 17/16 My teacher taught us a square root method, but I am confused with it on this one! I would prefer if you show me using square roots, but if you have another way, please help too! Thank you!

### chem

i don't get this at all can you please show me how to do this problem: a sample of oxygen occupies 10.0 L under a pressure of 105 kPa. at what pressure will it occupy 13.4 L if the temperature does not change. please help me set it up

### science

See i took this practice test and i got a lot wrong i need help its on nature of matter and i need help so my mom can get of my back help me please I'm desperate for help please i beg

### Chemistry

Please help me verify the following question: Consider the following ion; XF2-2 What is the oxidation number assigned to element “X”? Show your work My answer: X F2-2 X -1(-1) X -3=0 X = +3 Please let me know if right. Many thanks!

### Pre-Calc-Please check my answer

Please help-I'm stuck really bad Thank you for any help you can provide What are the roots of the equation x^2 -4x + 3 = 0 x^2 - 4x = 3 x^2 +2(-2)x + -2^2 = -3 = -2^2 x^2 + -4x + 4 = 1 (x + -2)^2 = 1 qrt (x+-2)^2 = sqrt 1 x+-2 = plus or minus 1 therefore x=1 x=3 roots are 1 and 3

### physics

How far (in meters) above the earth's surface will the acceleration of gravity be 27.0 % of what it is on the surface? can someone please just give me an equation to figure this out please I am lost

### Algebra

I posted this last night but it didn't get answered. So I'm posting it again with hopes that, this time, it will be answered. Please solve for x: |x-6|>7 I got x=6 as a final answer, but that doesn't make sense because 6 is not greater than 7. Please help!! Thanks :)

### surgical technology

Please am writing a term paper on indirect inguinal hernia, and I need help with writing the the preoperative prococedure before one goes for surgery. Please help me.

### surgical technology

Please am writing a term paper on indirect inguinal hernia, and I need help with writing the the preoperative prococedure before one goes for surgery. Please help me.

### Pre-Calculus

Could you please explain how to use a matrix (matrices) to solve a system of linear equations (two variables)? My book doesn't explain it in a way I can understand. Please and thank you.

### Chemistry.

Caculate the wavelength of light emitted when each of the following transitions occur in the hydrogen atom. A.) n=3->n=2 B.) n=4->n=3 C.) n=2->n=1 How do you do this. Could you please just show me step by step for atleaset one. Please!

### Essay

Can someone help me please I have to write a essay on if you won a million dollars and cannot spend it on yourself or family what would you do with it. I need help to start it just the opening line please

### To ANY SCIENCE HELPER URGENT

1. Describe 2 methods of viral infection 2. How can a virus be helpful to its host? Please this is very urgent, I have finished everything else but these r my last 2 questions that I don't know! Please help! Thanks:)

### Language(asap answers please!!!)

Which section of a personal narrative requires the most development? a. introduction b. conclusion c. character introduction d. plot My answer: D. Please check!

### math

missed this in parade magazine, please answer for me man owns cows and chickens that total 30 when the son couned them his answer was 74 legs how many chicken did the farmer own x=cows y=chickens x+y=30 4x+2y =74 please finish for me Solve one equation for one variable. Take ...

### Math (Check answers, please.)

Hello. I am having some difficulty with this problem. Could you please check my answer? You start searching for a buried object by marking the center of a field as (0, 0), with coordinates giving distances in yards. Coordinates to the north or east are positive, and ...

### Math

Can you please check my answers. Determine whether the function is a polynomial function. f(x) = 4x + 4x^5 -Yes f(x) = 4 - 1/x^2 -No

### math median

please tell me hoe you find the median in a group of numbers :)

### Math

how to use grids to mutiply decimals by decimals. please give example

### Math

Please help I have the answer to the problem but can figure the steps to solve it. 1/4 = 3 - 2x-1/n+2 I know the answer is -26/3

### math....please help....so desperaTe...

what is the coordinate of a rectangle with a vertex at (1,2) and dimensions 3 units by 4 units.....

### Fractions/Math

7/8 divided by into 3 1/2 please help I got 0.014 is this correct and 2 1/4 divided by 1 1/7

### Math

Divide by long division divide x^3+4x^2-3x-12 by x^2-3 I am a bit confused. Please explain!!

### math(integers)

Ok so i need help with subtracting integers because i am lost some please help me fast!

### Math

Can someone please show me how to find an answer for this? I forgot how to add them to get the answer. 2x +12= 6x +4 =

### math

what is the the diameter of a circle in km if the area is 5.65 miles? i don't know how to convert miles into km so please help.

### MATH

the circumference of the peg is 3 in.will the peg go through the hole that is 1 in.? Explain. please help i am confused

### Math (URGENT)

Write and simplify the expression. My answer: 2x +(x+3)(x-2) = x^2-x-6 Textbook Answer: x^2-x-2 Please help. Thanks.

### Math

Solve. x-6/x-9=3/x-9. I came up with a answer of -2/3 but I don't think that is the right answer. Could someone please help? Thanks.

### math

solve equation if equation has no solution state so,simply when necessary 2/3x+1x=1/6 1/x+4-1/x-2=x+2/x^2+2x-8 help me please

### Math

Find the domain of the function g(x)= 1/6-5x I know that x is a real number but I need the domain please.

### math

how do you solve these problems? 1.2x/3 + 1/3 - x/8= 2/3 2. 3n + 9/10 + n/5= -2 3/10 3. 3k/4 - 28 - 2k/3 = 37 thank you can you please show me step by step how you got the answer?

### Math Algebra

Please help Solve by the elimination method x+7y=54 -x + 6y=37 The solution is (___,___)

### math-please check my answer

Find the slope of these two points (3,5)and (-5,-2) Is the slope 3?

### Math-please check my answer

Find the slope of the following points(8,9) and (10,-9) -9 - 9 / 10 - 8 = -18/2 = -9 is the slope?

### Math/Please HELP!!

Find the vertex for f(X)=-x^2+8x+6 My answer is (4,22)Is it correct? If I am correct then what is the line of symmetry?

### math subject

make (a) the subject 2a+ã2a^2=10 please and thank you (the 2a^2 is all spuare rooted)

### Math

How do you do this Simultaneous Equation? 3x+4y=14 x+y=3 Please give me the step by step solution. Thanks a lot!

### Math

please go step by step to better understand if 2f(x)+f(1-x)=x^2 for all real numbers, the f(x)=?

### Math

A triangle has sides with lengths of 3x, 5x, and 8x. Express the perimeter of the triangle in terms of x. Please help!!!