# Math(Please help)

181,141 results, page 60

### Science

Today's fossil fuels began forming 300 million years ago. What allowed the process to begin? A Mammals ate all of the plants B Rainfall eroded huge mountains C Dinosaurs roamed the land D Many huge plants grew, died, and decayed (Broken Link Removed) um a little more help ...

### Math 222

222 - Steve, Wednesday, October 22, 2014 at 12:02am I assume you want to factor the expressions? a^4b + a^2b^3 = a^2b(a^2+b^2) z^2 + 18z + 45 = (z+3)(z+15) •Math 222 - Monica, Wednesday, October 22, 2014 at 12:10am Thank you Steve and can you please explain how you got both ...

### Math

Do you have any 3rd grade math practice worksheets that I can use with my students? One of my students has a predicament of not doing his homework. Please implement your time and implementing a few practice worksheets for my students. Sincerely, Mrs. Raja 3rd grade teacher

### Math

On an automobile assembly line, every third car is green. Every fourth car is a convertible. a) How many cars are out of the first 100 will be convertibles? b) Which number of car is First Green convertibles? Grade 7 Math Please answer, ASAP.

### math(check answers please)

please check my answers and thanks have a nice day. 2.which of the following ratios is equivalent to 5/20 A.1/4(I PICKED THIS) B.1/5 C.20/100 D.2/5 3.which of the following ratios is ((NOT)) equivalent to 4/8? A.1/2 B.2/4 C.20/45(I PICKED THIS) D.12/24 4.which of the following...

### Linear algebra

Show that the origin is the only equilibrium point of the system? X=ax+by Y=cx+dy Wherea,b,c and d are constants, with ad-bc not aqual to 0(zero) Please show me how to do this problem Please show me the work

### Pre-calculus need help!!

Quadratic Formula 1.) x+6/x=-7 2.) 4x/x+4 + 3/x-1 = 15/x^2+3x-4 3.) x+3/x - 2/x+3 = 6/x^2+3x formula: -B+ sqrt B^2 + (-4)(a)(c)/2a f u only wanted to use the formula it's not necessary though. please help me! it's going to pass tomorrow!! please!

### Calculus Help Please

Consider the implicit function ln(xy)-cos^-1(x-1)=x a. Find dy/dx. b. Find y when x = 1. c. Find the equation of the tangent line in slope-intercept form when x = 1. Show steps please! Thanks!

### Calculus Help Please Urgent!!!

Prove that the integral on the interval [a,b] of x is equal (b^2-a^2)/2 integral a to be (x)dx = (b^2-a^2)/2 using the definition of a Definite Integral. This is the limit of a sum approach. show steps please!!! Thank you!!!

### English

Can somebody Please please help. Identify the usage of each of the following modal verbs. May I use your toilet? Mathew might come to see you later. You really should stop smoking. I must do my homework. Monkeys canâ€™t swim

### hca 270

hey yea i posted earlier and i havent responded can some one please hel[p im confused and am cutting close on assinment because ive got things going on and mixed up can someone please help this is due tonite help

### us history

Evaluate the extent to which the Articles of Confederation were effetive in solving the problems that confronted the new nation. Does anywone know where I can find the answer to this? I have to type a whole page on it so I need a lot of information... please and thank you! No ...

### math

the problem is 500= 1 --- 1 --- X 2 Your presentation of the problem is unclear. Please repost. If you mean "X squared," that is indicated by "X^2." I hope this helps a little. Thanks for asking.

### Math-- Please Check

1 2/5 divided by 21 Which example is correct 7/5 * 1/21 = 7/105 = 1/15 or is it? 5/7 * 21/1 = 105/7 =15 You asked this question yesterday. The answer is still the same.

### math

A has Rsx and B has Rs y.if A GIVES R4 to B, then B wii have twice as much as A.Write the equation connection x and y help me solve this problem.. solve for W: 2L+2W=38 please and thank you!

### Math Fractions Vocabulary

What is "one of two numbers whose product is one". It's in a crossword, 21 letters, 4th letter is "T". Please help!

### Math

Help please on how to solve the following problem: If E,N,O,T, and W each represent a different integer, can you find more than one solution to this problem? Thanks in advance!

### Pre-Algebra [Math]

How do you factor a number? An example question is: Factor the monomial 36x2y completely. Could you please explain the process?

### math

my question in (slope) find the coordinates of a quadrilateral so that the slope of all four sides are negative ??? please explain your answer .

### math

How do I calculate value of pi upto 200 decimal places ? Please email me the answer to my email address homework@live.in .

### Math

An emploee's new salary is $16,800 after getting a 5% raise what was the salary before the increase in pay? HELP PLEASE IM STUCK!!!

### Math

find the missing numbers and landmarks 18,20,20,24,27,27___,30,33,34,36,36,___ range:22 mode:27 minimum_____ maximum:___ explain how please

### math need help please

The area H of a triangle with base b and height h is given by H=1/2bh. Find the area when b=21m (meters) and h=38m.

### Math(Algebra 2)

All of these are different problems. Please help me. IF you only know one answer to just one problem, that is totally welcome as well. THank you. 5 > |x | + 1 2a2-32 a2 + 4a + 21

### Math

3^2x - 11(3^x) + 30 = 0 ; solve for x. I know that you can substitute 3^x with another variable like y to make it easier, so it looks like this: y^2 - 11y + 30 = 0 ...unless I did something wrong there. Help please? Thanks!

### Algebra/Math

Could you please check these thanks for your time. Directions: Arrange the terms of each polynomial so that the powers of x are in ascending order. 1. 5+x^5+2x^3+4x Answer: 5+4x+2x^3+x^5 2. x^2y^4+x^5y^3+xy^2+x^3y Answer: xy^2+x^2y^4+x^3y+x^5y^3

### math

what is the probability of winning a lottery game where the winning number is made of 6digits from 0-9 chosen at random? i do not undestand how to solve please help

### math

how would you determine the eccentricity of the conic section when represented by the equation ax^2+cy^2+dx+ey+f=0 if the equation represents and ellipse and then when it represetns a hyperbola. please help

### Math

2x + 5y = 8 5x + 2y = 1 Are the line parrallel, perpendicular, or neither the answer I got was parrallel someone please help me if I am wrong. Find the domain of the function g(x) = 2/1-5x

### math

Solve the equation algebraically. Round the result to three decimal places. log4 x - log4(x-1) = 1/2 I have no idea how to do this. Please help!

### math 10

by completing the square method solve the equation. x^2-2x-1 can u factor it? when i did it it couldn't be factored. i also don't know why it is not factorable because its a perfect square right? please help me

### Math

solve for indicated letter. f=2g, for g what is the solution for g? can someone please tell me how to start this? or how to solve this question?? I would appreciate it much

### college math

Use sets to verify the following answers a. 4+5=9 B. 0+6=6 C. 10+2+12 I want to know if I'm doing this right. please check my answers. I'm confused on how to do this but I'm giving it a shot. A. a+b=c b. 0+2=a C. 5+5+2=12

### math-functions starting

-3f(x-4)=x^2 i have no clue what to do with the -3 in front of the f. please explain step by step as to how to do this question the answer in the back is -3x^2+24x-48

### Math

suppose the temperature is -12 degrees F and rises 4 degrees every hour for 3 hours. What will the temp b then? Can you please help me write out the equation? Thanks

### Math 30 Trig

How do I find the x-intercept of the graph of y=3sin 2x? Could you explain the steps to put this into my graphing calculator to get the graph. Please and thanks

### Math

I need to graph the polar equation 3 + 3cosQ and i need to create a table of values for r and Q. Could someone please explain how I would do this? Thank you!

### math Please someone help!!

a rectangular table is two times long as it is wide if the area is 98ft^2 what is the width and length of the table

### Math (URGENT)

Determine an equation of the following line. The line parallel to x+3=0 and passing through (-6, -7) How would I solve this if there's no y variable? Please help, thanks.

### Math

Write each equation in standard form. 1.y-3=-2.4(x-5) -The answer I got was 2.4x + y = 15. Could someone please check my answer and tell me how to solve it if it wrong? Thanks

### Math(Please help)

I know I posted this yesterday but I really do not understand this and I did not quite understand the comment on what to do. Find the real solutions of the equation. x = 2 sqrt6x-36

### math

In this problem the letters x and y are each one digit numbers. Compare x+y O 19? Do I put any number for x and y ? please help. Your answer was no but how do I do this problem? I'm sorry, I mean <,>,or =. Thank You for your help.

### math

N and P are integers greater than 1 5N is the square of a number 75NP is the cube of a number the smallest value for N+P IS what? i cant figure it out, please help thank you so much

### Math please help

Let s and t be any two whole numbers, excluding 0. True or False The statement s/t = t/s is always true? and What did you do first to answer this question?

### Math Please Help

The premiters of two equilateral triangles are in the ratio 2:3. If the perimeter of the smaller triangle is 16 cm what is the measure of a side of the larger triangle?

### 5th math

what ist he mean for the following nubers? 33,41,37,27,32. can you please explain the problem to me..?? what ist he least common Multiple(LCM) for 6,4,and 8?

### math

Please can you me What a linear inequality describes the graph of a dashed line passing through (0,3) and (6,0) with the space beneath the graph shaded?

### Math

Can someone please help me with the following Complete the following calculations, making sure you follow the BEDMAS rule for order of operations (^36-1)2

### math

Hello, Please help with the below question. write three numbers that are greater than 1,543,000 and less than 1,544,000 Thanks!

### Math

A football team has three 15-yard penalties. What real number describes the change in yardage from these penalties? EXPLANATION PLEASE!

### Math( help please ! )

for what value of k will the function f(x)=kx^2-4k+k have no zeros the graph of the function f(x)=x^2-kx+k+8 touches the x-axis at one point. What are the possible values of k

### Math (URGENT)

How to graph this: Step 0: y=x(x-4) Step 1: y=x^2-4x What's next? Calculator shows vertex at (2,-4) I asked before, but I'm still stuck. Please help. thanks.

### Math

What is the differnce between a range and domain how can I tell if it is a function or non function. I need a real life example Please help!

### Math; Please Help!o:

Tell whether the graph opens upward or downward. Then find the axis of symmetry and vertex of the graph of the function. y=-1/4x^2-24

### math

The lawn sprinkler can be adjusted so that the water stream is from 25 to 40 feet. What is the diameter of the largest circle area that this sprinkler will cover.....please help

### math:(

how do you compare the symbolic method for solving linear equations to the method of using a table? PLEASE HELP MY BUS COMES IN 30 MINUTES!!!

### math

an oil drum is 8ft high and 2 ft in diameter if the drum is half full how much is in cylinder. please show explanation

### math plase check

What number would be used to represent a temperature of 7- degrees below zero. I think its is -.70 please check

### MATH

2x-3(x+4)= -5 The answer is -7 , but I am unable to get this answer. tried working problem several ways get different answers for ex. I get -17 or 7 Please I need some help

### math

#Algebra 2 Help Please?! If f = (1, 2), (2, 3), (3, 4), (4, 5), g = (1, -2), (3, -3), (5, -5), and h = (1, 0), (2, 1), (3, 2), find the following and state the domain: 2a.f+g 2b.f-g 2c.f(times)g 2d.f/h 2e.g o f o h Let f(x)=|x-5| and g(x)=1/x . Write the given function as a ...

### math

please write an equation to show total hours of team practice team practiced 2 1/2 hour 5 days this week. is it 2 1/2 x 5 = x

### math

the function f is defined as the follows f(x)={x+6 if -5 less than or equal to x < 1 {9 if x = 1 {-x+5 if x > 1 a. find the domain of the function f is? b. locate any intercepts; if any please show work

### MATH HELP PLEASE

$9000 invested at an APR of 9% for five years. In interest is compounded annually, what Ia the amount of money after 5 years?

### HELP ME MATH PLEASE

$1000 invested at an APR of 9% for 9 years. If interest is compounded annually, what is the amount of money after nine years?

### math

can someone please explain to me what happens to the mean and standard deviation of the distribution of sample means as the size of the sample decreases?

### Math Help Please!!!!

Which type of angle do construction workers use when building to make sure that the walls and floors of a building are perpendicular?

### Math Help Please!!!!

Which type of angle do construction workers use when building to make sure that the walls and floors of a building are perpendicular?

### PLEASE HELP 5th grade math

There are 28 students in zacks class.one forth are absent how many students are present? Answer choises a.16 b.7 c.9 d.21

### Math

The base of the skateboard ramp has an area of 2.3 m square meters the height of the ramp is 1.2 m find the volume of the rectangular prism? Help please

### math

Willem bought a jacket on sale. The price was 40% off the original price of $60. How much did he pay? Please answer and explain.

### Math

What is the probability of tossing two coins and having them both show heads? Show all work. Please help I don't understand this.

### Please Help Math

1. An invoice is dated August 29 with terms of 4/15 EOM. What is the discount date? 2. What is the net date for the scenario in the previous question?

### Math (Please help ASAP?)

I have this weird question that has to do with linear equations (I think), and this is what it says. Let f(x) = 4x - 5 A. Find f(3) B. Find x when f(x) = -21 Can somebody help me understand this??

### math

a clock strikes only in the hour (once at 1.00,twice at 2.00 etc) how many times will it strike in one 24 hour day? please explain,thanks

### math

Which set of numbers has a greatest common factor of 1 ? a. 2,3,and 6 b. 2,200, and 400 c. 3,9,and 27 d. 22,33,and 99 e. 100,500, and 2,500 please answer and explain

### math

If #(w,x,y,z)means you raise w,x,and y to the power of z and then take the sum of the resulting values ande # (8,10,11,z)=3,then for all positive values of z, then z=? please explain how to do that

### math

If there are 10 to 15 apples in a basket and there are 2 to 3 baskets in a bushel, what is the maximum number of bushels that can be filled by 900 apples? a. 20 b. 25 c. 30 d. 40 e. 45 please answer and explain

### math

Arc AB of circle O contgains 72 degree and is 6 pi long. Find area of circle O. a. 9 b. 36 c. 30 pi d. 225 pi e. 900 please answer and explain

### Math logarithms

The graph, y=lg x is rotated 90 degrees anticlockwise around the origin. What is the equation of the new graph? Please provide proof.

### math

please help im stuck 8. Use the function rule f(x) equals three x minus 2. Find the output f(one point 5). (1 point)2.5 –2.5 6.5 –6.5

### math

can someone please explain this to me i am confused and don't know what to do Suppose that the function g is defined , for all real numbers, as follows g(x)={1/4x-1 if x≤-2 { -(x-1)^ +3 if -2<x≤2 { 3 if x>2 g(1)= g(2)= g(5)=

### chem/math

I need help solving for x here (I don't get the right answer, which is supposed to be x=0.137) 3.88 = 3.74 + log (x/0.1) Please explain how you would get that answer Thank you

### math

5. The sum of 7 unequal positive integers is 61. What is the largest possible value that any of those integers can have? A.55 B.40 C.39 D.13 E.9 please show work

### Math Problem (please help)

Find the zeros of the function algebraically. f(x) = 36x^4 − 25x^2 x = (smallest value) x = x = (largest value)

### math

Write down all the odd numbers that are greater than-8 and less than 7.Please answer it i'll be appreciate to the one who will answer it back.THANK YOU!

### math

A rectangular prism has a length of 8 in and a width of 7 in. The lateral area is 150 square in. What is height of prism? Have no idea how to do this....please help

### Math question? Only 1.

Use the order of operations to simplify the expression. –18 + (–4) + 20 + (–3) I know the answer is -5. Care to show me how to do it step by step, please?

### Math 222

Please help me solve these two problems. My addition sign is not working on my keyboard. a^4b plus a^2b^3 18z plus 45plus z^2

### Math 222

Please help me solve these two problems. My addition sign is not working on my keyboard. a^4b plus a^2b^3 18z plus 45plus z^2

### Math HELP!

Write a translation rule that maps point D (7,-3) onto point D' (2,5) Explain your answer I have no idea how to do this can someone please help me.

### math

triangle QRS ~ triangle EFG. Find the measures of the missing sides. QR = ? EF = 10 QS = 24 EG = 5 RS = 45 FG = ? Im having trouble setting up the equations. Please help!!

### math

Brown earns a dollar for every candy he sells. If he sells 30 candies, how much will he earn? Please show me the work.

### Math 222

Please help me factor this with steps on how you got the answer. Sorry my addition and equal button is not working a^2-6a plus 9 equal 0

### math

The data in the table are linear. Use the table to find the slope. X| 2| 4| 6| 8 Y| 1|-2|-5|-8 A. 3/2 B. -3/2 C. -2/3 D. 2/3 Please help me work this out I don't know how to do this kind of stuff. Thank you in advance.

### math

please help me with this one too! : if it costs about $0.10 per week to feed a snake, how much does it cost to feed 35 snakes for 4 wks?

### Math/need help

Hi I know how to find P(A and b) and P(AuB) My problem is finding say P(A)=0.60 and P(B with a line over the B)=0.40. what do I need to do. I get two right than 3 wrong. Can you please help. Thank you

### math

Find x 1) 6log(down)10 x=1.6 2) e^-4x=1.943 3) 1.3x10^-4 x=4.7/x -6.3x10^-3 4) 6lnx=1.6 5) x^2¡Ñ23y^2 = 1.78x10^32¡Ñz please help I really can't solve this problem.

### math please help

Marissa is designing a rectangular poster whose width is 2/3 of its height. Its perimeter will be 100 inches. what are the dimensions of the poster?

### Math

Please help me understading this question "a cycling club has 2/3 boys, 2/9 girls and 3 adults. how many are in club? write an equation and solve" Thank you for your input