# Math(Please help)

183,433 results, page 58

### math

Rationalize the denominator using the conjugate. 1/1-√7+√5 please show all the steps and explain it i don't get it

### Math

A jet flies at an altitude of 52,800 feet. What is the height of the jet in miles? I need help with this problem please

### math

lily estimated a quotient of 120 and found an actual of quotient of 83 what should she do next ? explain please?

### Math

Simplify each expression and state any non-permissible values. (5 marks - show your work) 3x+1/2x^2-2 + 2x+2/2x^2-8x+6 is the expression Can you help please?

### Math

Can you please verify my simplified expressions and point out where I went out wrong if I made mistakes: (3x+1)/(2x^2-2) + (2x+2)/(2x^2-8x+6)=5x+1/2(x+1)(x-3)

### Math

I have figured out x to be 2 for this system of equations but now I need help on determining the solution of the equations which are y=4x and y=2x^2. Can you please help me!

### Math Word Problems

If I have 12 brownies and Sue eats 2/3 of them, how many do I have left? Please show me the work.

### Math

Please help me write this as a single fraction? Sorry my addition/equal key does not work - 3a-7b/2a plus 5a-4b/3a plus 3.

### 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 HELP PLEASE

Find two points on the graph of the parabola other than the vertex and x-intercepts. k ( x ) = ( x − 1 )^(2) − 6

### Math

Find two consecutive numbers who squares differ by 31 I got 2 and 31 but I got it wrong someone help me please

### Math Ms Sue please help me

select the equation of the line passes through the point (2,6) and is perpendicular to the line x=4. Answers y=4 y=6 x=6 x=2

### 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

1. The vertices of a triangle are P(2,-4), Q(-5,3), and R(-1,-2). What are the vertices of the image reflected across the y-axis? A) P(2,-4), Q(-5,3), R(-1,-2) B) P(2,4), Q(-5,-3), R(-1,2) C) P(-2,-4), Q(5,3), R(1,-2) D) P(-2,4), Q(5,-3), R(1,2) Could someone please help me ...

### Math

Could you please explain the differences between linear relationships and exponential relationships? How or when would I use either or them? Thank you.

### Please help me on math, thanks!

If no digit may be used more than once, how many 2-digit numbers can be formed using only the digits 5, 6, 3, and 2? 11 12 10 2

### Math

i am still having problem with getting answer to problem 2 divided by a number equals 3/4. i need help please

### math

Your fav store is having a sale. Would you prefer to get a $10 off or a 10% off coupon? EXPLAIN PLEASE.

### Math

Study the equation below. 25=2x+3 Which equation has the same solution? Answers: A. 28=2x B. 22=2x C. 50=x+3 D. 25/2=x+3 My answer is B. 22=2x. Please check if I am right. Thank you!

### Math

Find the surface area of the prism. Rectangular Prism L=13 m W=6 m H=5 m A) 48m B)346m**** C)780m D)195m Please help!

### Math Please Help Quick

The probability of winning a game is 20%. If you play 20 times, how many times should you expect to win?

### math

if the total surface area of a pipe is 396 cm^2 and its height is 14 cm.find the diameter of the pipe.any one to help me please

### math

Marium travels a distance of 8 km everday to and from the school.What is the total distance will she travel for 40 days? i need a help please

### math

Calculate the equation for a line that passes through the points (-2, -1), (4, 8) and (50, p). What is the value of p? Ok for the points -2,-1 and 4,8 i gotten y=3/2x+2 i don't know how to get the 50.p part please help me

### math- Trigonometry

If cos degree equals to 0.8641 What is Sin degree? I have no idea how to find this. Please help me. Thank you

### 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

### math check my answer please

Simplify 3√125a^1b^3 (By the way,in 3√, 3 is the index) 3√125a^1b^3 3√125 * 3√a^1 * 3√b^3 5 * 3√a^1 * 3√b^3 I'm stuck what to do next.

### Math

f(x)=1/2(x^2-2x+15) I did the quadratic formula and my answer is 2 plus or minus i square root 8/2. Could someone check my answer please

### Math

use the remainder theorem to find the remainder when P(x) = x^4-9x^3-5x^2-3x+4 is divided by x + 3 please help me start this problem I have no idea

### math

cassie needs 16 yards of yarn and she has 580 inches of yarn does she have enough and explain please

### math please help

can apple weighs 350 grams a pear weighs .04 kilograms.which of the following statement are true

### internet/math

this website video isnot working please help I have to finish my homework. it was working in school>

### 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

Which pair of ratios does NOT form a proportion? A. 3/5, 24/40 B. 30/10,15/5 C. 9/14, 3/4 D. 7/12, 14/24 Help please!!!!!!!!!!!!!! Dont give me the answer, just tell me how to answer it.

### Math

How do you write 680% s a fraction, mixed number, or whole number in simplest form? I need help please

### Math

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

### Finance

Please help me,math word problems make my brain go crazy. Some friends are urging you to chip in with them to buy a vacant parcel og land on the outskirts of your city. A one-fourth interest would cost you $10,000.Total annual expenses on the property are $2,200.When the ...

### math

The circumference of a sphere was measured to be 86 cm with a possible error of 0.2cm. Use differentials to estimate the maximum error in the calculated surface area. Please round the answer to the nearest tenth. What is the relative error in the calculated surface area? ...

### Math

HELP! I have a math question the says this: In track practice, Jesse ran a mile in 7 minutes. His mile time was 2 1/2 minutes faster than Michael's time. Write and solve an equation to calculate Michael's mile time. I can't figure out what to do and it's due tomorrow! Please ...

### math

Explain how to form a ratio and how ratios can be used to compare two numbers. Please help me Thanks http://web.math.com/school/subject1/lessons/S1U2L1GL.html#sm3

### Math

In November 1994, the first live concert on the Interent by a major rock n roll band was broadcast. Most fans stand in lines for hours to get tickets for concerts. Suppose you are in line for tickets. There are 200 more people ahead of you than behind you in line. the whole ...

### Math

Gray bought two plots of land for a total of 120000 on the first plot she made a profit of 15% on the second plot she lost 10% .her total profit 5500, how much did she pay for each piece of land? (Please show the whole procedure of this math with the rough works) Thank you so ...

### Physics

Please help. I got 338.82 for the velocity and wanted to get the distance, but I can't seem to do it because I don't have the wavelength. Please help! A stone is dropped from rest into a well. The sound of the splash is heard exactly 2.20 s later. Find the depth of the well if...

### Unknown

Can someone please help me with crt 205 week 5 assignment ( Identify Fallacies) i have been working on this for hours in now will be late posting it for feed back and i will loose points SO PLEASE HELP ME i will glady appreciate the tips

### science

please could someone help me with these question please i have loked on websites but i am still stuck. true or false and i need to write a comment why:- plants photosynthesise 24 hours a day respiration uses up carbon dioxide thanks guys!

### please check(Social studies)

please checkk 3. Mexico is building a stronger workforce by A.holding free elections B.permitting remissions C.eliminating competition D.investing in education(I PICK D.) if you answer i really hope your correct !

### Chemistry, please help!!!

I have to go to work this weekend so I'm trying to get my homework finished. Could you please help me figure out this question? Calculate the mass of 1.00 mol of each of these substances: a.) silicon dioxide (SiO2) b.) diatomic nitrogen (N2) c.) iron (|||) hydroxide (Fe(OH)3) ...

### 9th Grade Bio

_______ is the process of digesting food and extracting the energy from it. Directions: Fill in the blank. Please help me answer this question. I've looked through all my textbooks and notes but they didn't mention this anywhere. Can someone please help me? Thanks

### Physics Please someone help I don't understand it

A ship mapping the depth of the ocean emits a sound of 37 kHz. The sound travels to the ocean floor and returns 0.65 s later. (a) How deep is the water at that location? m (b) What is the wavelength of the wave in water? cm (c) What is the wavelength of the reflected wave as ...

### Math!

Please Please Please help me! I'm really behind and need to get this done and i'm really confused. 1. 5h – 9 = –16 + 6h (1 point) 4 –7 7 10 2. 4x + 4 = 9x – 36 (1 point) –8 –7 8 –3 3. Which of the following equations has an infinite number of solutions? (1 point...

### Physics please help

A small circular object with mass m and radius r has a moment of inertia given by I = cmr2. The object rolls without slipping along the track shown in the figure. The track ends with a ramp of height R = 3.0 m that launches the object vertically. The object starts from a ...

### Statistics

I am doing a stats study and im stuck on what test to perform. Please look at my subject and advise me.. I am testing to see whether a person that is best in math and science will be able remember more numbers than letters and if a person that is better in language and history...

### s.s. PLEASE HELP. PLEASE

"There is danger that because of a great victory women will believe their whole struggle for independence ended. They have still far to go. It is for the Women's Party to decide whether there is any way in which it can serve in the struggle which lies ahead to remove the ...

### Quadratic Relations, Algebra, Math

URGENT!! PLEASE HELP In a volleyball match. Jenny serves the volleyball at 14m/s, from a height of 2.5m above the court. The height o the ball in flight can be estimated using the equation h=-4.9t^2+14t+2.5, where h is the height, in meters, and t is the time, in seconds, ...

### MATH!

PLEASE HELP! Okay I'm DESPERATE. Can somebody please tell me what n^3-64 divided by n-4 is? And for x/x+2 - 4/x-2 - 1 is the answer 2(-3x+2)/(x-2)(x+2 n^3-64 is a difference of cubes: you should have an equation to factor it. http://www.purplemath.com/modules/specfact2.htm No...

### MATH

JESSI bought two plots of land for a total of 120000 on the first plot she made a profit of 15%. on the second plot she lost 10% .her total profit was 5500, how much did she pay for each piece of land? ( please show the whole procedure of this math even the rough works) Thank ...

### Geometry (PLEASE HELP!!!)

Please Please HELP!!!! I need the answer to this and i've worked it out but I don't know if it is correct... Please check my answer!!!! The polygons are regular polygons. Find the area of the shaded region to the nearest tenth. I can't post a picture of it but it shows a ...

### GEOMETRY

Here are the figures. file:///C:/Users/ALIZAJOY/Pictures/Untitled.png Open that link please please help me with my assignments 1. in the figure , the areas of traingle cef, triangle abe, triangle adf are 3,4, and 5 respectively. find the area of triangle aef 2. equialateral ...

### Math Help Please...

x/3-2/3=1/x *Solve the rational below. I really need help. Multiply through by 3x x^2 -2x = 3 And solve. I don't get it... can you explain it more.then I can help you Margie

### MATH

I NEED HELP WITH A CAT AND WHISKER BOX THING I JUST NEED AWAY TO LEARN AN EASIER WAY TO DO IT CAN YOU HELP !!!!PLEASE!!!!!

### Math

A gallon of paint can cover an area of 385 square feet. How thick is the coat of paint in inches. HELP PLEASE!!! thanks

### Math

Please HELP Me!! A googol is a number written with a 1 followed by 100 zeros. Write a googol in scientific notation. I don't understand this. Thank You.

### math

A particle moves with constant speed of 3m/sec along path y=3x^2 What is the acceleration of the particle at x=1.5m? I know that Velocity is y'=6x Somebody please help!

### Math

I am doing a scavenger hunt assigned by my sixth grade teacher and the beginning problem is 7<t please help me with the order of operations for this problem

### math(Please help!!!)

Triangle PQR is a 30-60-90 triangle with right angle Q and segment PQ as the longer leg. Find the possible coordinates of R if P(2,6) and Q(2,-6).

### 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?

### Algebra 1A

describe what the graph of interval -4, 10 looks like? This is for math 166 algebra 1A I don't understand how to answer this question, please help me!

### math

Hi! I really need help with this question. Please help me. Thanks! If f(x)=6cosx-1, algebraically determine algebraically the x intercepts to the nearest tenth. On the domain x E R.

### math help please

If D = {w, h, y} and E = {n, o, t}then answer the following: a) How many possible one-to-one correspondences are there between sets D and E? (b) How many elements are in the Cartesian product D * E?

### Math

Write an inequality? In the inequality, use both the multiplication and addition properties of inequalities. Can you help me think of one please

### math

solve and graph the following inequality. -8p-5<-13 Can someone please help me solve this because i tried it but im not quite sure if i solved it right.

### math

Please help me! f(x)=(x+1)^3-2 1. How do I find the x and y intercepts, if any? 2. Describe the long term behavior of this function. Give the power function that F resembles.

### Math

can someone show me a step by step guide converting this please 2.483 X 10^-7 pm^4kg/s^2 to dam^3mg/day^2

### math-please help due tonight

find the two ordered pairs from this equation. y+x=-2 then give the ordered pair of the y intercept?

### math

jake spent 3/8 of his money on a book and 1/2 of what was left on a magazine.he now has $6.25. how much money did he start with? please help me i am confused... thank you :)

### Math Check

Can you please see if you got the same answer as I did? Thank you. 3/x + 2/x-4 3x-12=2x subtract 3x from both sides you get -12=-1x divide by -1 final answer is 12.

### Math

Factor 3y^2z-5yz-9y^2+30y-25 I can't seem to figure this one out... Give me a step by step answer please and thank you :)

### math

How do you write a simplier problem for 23 x 20 ? I do not understand what the book says and my teacher want explain it the way it shows in the book? PLEASE HELP!!!!

### 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

### 5th math

how many 3,000s in 270,000? and how many 90s in 63,000? please show me the work also , so i can do the rest right. thanks

### math

how do i solve this equestion i don't understan 2(x+1)-3x=3(3+2X) please give me details on how to solve it because i have 100 more to go and i don't understand a thing

### Math

Tell whether the triangle with the given side is a right triangle;14mm, 19mm, 23mm Explain please.

### Trig/Math

3. f(x)=1/3sin(2/3x-π/4)+4 Find the amplitude, period, phase shift, and vertical shift of the function please.

### Math

I am having trouble figuring out how to solve these logarithms. Could someone please help! log2(log4x)=1 and solve for x and y: (1/2)^x+y= 16 logx-y8=-3

### Math

I am having trouble figuring out how to solve these logarithms. Could someone please help! log2(log4x)=1 and solve for x and y: (1/2)^x+y= 16 logx-y8=-3

### Math

Write an equation of the line satisfying the given conditions Parallel to the line y=-4x+3 and a y intercept of -5 Please help I am really confused

### math

can someone plzz tell me whichone is true. just but down the number when u answer back plzz & thank you 1. 14+(-25)> -50= 2. 20*10^3 3. 3/4 + 3/4> 1 4. 6^2=2^6 5. -21-(-39)=60 6. 19 7. 11*11*11 = 33^3 8. 38<7^2-(-20) 9.-5=20+(-25) PLEASE HELP ME!!!!

### math

how do you rewrite the expression to the 1st power of cosine by using power-reducing formulas? PLEASE AND THANK YOU :D sin^2xcos^4x

### MATH-so confused!! Please help!!

Given these sets: A = {3, 4, 5, 6, 7} B = {6, 7, 8, 9} C = {2, 4, 6, 8} List the elements of this set A(B∩C) Show your work, step by step.

### Math

Using correct mathematical notation and symbols, express the following in set-builder notation: Z = {16, 17, 18, 19, 20} I'm so confused with this....please help :(

### Math Pre Algerbra

Need help with Algerbra question two-thirds of a number e 2/3 * e i think this is the answer please explain how to do if not

### 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

Can someone explain to me the greatest possible error when finding the maximum and minimum possible lengths of something?? PLEASE!!!

### Algebra

What are intersections and unions (in algebra). Also, what are complements? And what does MATH stand for in terms of sets? Please answer quickly. Thanks!

### Simple math question !!

The equation of the line that goes through the point ( 3 ,5 ) and is parallel to the line 2 x + 4 y = 2 can be written in the form y = mx+b where m is and where b is? Please help me !!!

### Math please help me

5 years,21days,4hours,32min,17sec - 2 years,93days,7hours,47min,24sec _______________________________________

### Math College

A 6-sided die is rolled 14 times. What is the probability of seeing a "6" at least 2 times? I am sooo clueless please help!

### Math

Find the arc length of y = x^4 from the origin to (1, 1). Answer in length units, correct to two decimal places, please.

### Math

Please explain how you got this answer as well! A shape has a perimeter of 3.00 M. Is it possible that one side's length is only 5 cm? Explain