Math(Please help)

183,433 results, page 50

science

please help.....i don't have my txt book with me an i need 2 kno everything bout Non-Vascular and Vascular plants....please rovide a website...........i cant find any

science

umm yes i would like to know about normal fault please because im having a test on friday so can u give some information on normal faul please

Chemistry-Please help

The question is: the arsenate ion has the formula AsO4^3-. Write the formula of the corresponding acid that contains this anion. I don't really understand what I need to do. please help!

college algebra, Please help!!

use the intermediate value theorem to show that the polynomial function has a zero in the given interval. f(x)=4x^3+3x^2-8x+7;[-5,-2] please show all work

Chemisty Help Please!

A solution is prepared by dissolving 25.0 g of glucose, C6H12O6, in 125 g of water at 25oC. (show work please) Determine the freezing point of the solution.

english

I MUST A DESCRIPTIVE ESSAY OF 350 WORDS AND MY TOPIC IS A YOUR DREAM HOUSE IN RUBRIC FORMAT, I DO NOT KNOW WHERE TO START AND HOW TO GO ABOUT WRITING THIS ESSAY, PLEASE HELP, PLEASE HELP.

Calculus Help Please!!!

Find the equation in slope intercept form of the tangent line and the normal line to the curve x^2+4xy+y^2=13 at the point.(2,1). show steps please!!! thank you!

Science help please

Hello i need some help with this science project please. How long would it take to get to mars if i'm travel 600 miles per hour. Thanks :)

Social studies

How did the argument between the eastern orthodox church and the roman catholic church end? Somebody please answer because I am dying to know how it ended! PLEASE!!

HELP PLEASE

PLEASE HELP THANKS! CONNECTIONS ACADEMY 6TH GRADE! hamburger meat is on sale for 2.50 a pound this can be written as 2.50x evaluate this expression if you buy 7 pounds of hamburger

algebra

Please let me know if this is correct: rewrite each equation as a function of x. -3x+4y=11 I got 4y=3x+11 y=3/4x+11/4 f(x)=3/4x+11/4 Please tell me if this correct. Thanks

algebra

(2-x)/(2x+6)+ x/(x^2-9) Can some one please help solve this one because I stuck? I don't know how to sole this, so please somebody help!!

algebra check please

help i am stuck : -8 - 5y = 12 - 9y i got: -8-12 -5y = 12-12 - 9y -20 - 5y = 9y -20 +20 - 5y - 9y im so stuck idont understand this one can you please help me

algebra

can someone help me find the difference of 3/2x-1 - 5/2x-1 please show step by step process please

algebra 1 help please ASAP

Divide and simplify. 1. 2y^2 - 7y + 3/2y^2 + 3y - 2 divided by 6y^2 - 5y + 1/3y^2 + 5y -2 2. x^2 + 13x + 12/x + 2 divided by (x + 1) Please explain! Thanks!

Can someone please answer my question

Please answer my previous post I really need help!!!

Trig

Please help me to simplify using identities 1+tan^2x/tan^2x I don't really understand how to do please help

math please help

The speed of a passenger train is 8 mph faster than the speed of a freight train. The passenger train travels 310 miles in the same time it takes the freight train to travel 270 miles. Find the speed of each train. What is the speed of passenger​ train? What is the speed...

slis

hi, im in the 9th grade and i need help I need help with my math. the following questions are? we are learning parallel lines and perpendicular lines. think you can help me? e) parallel to y=0 and passes through (1,2) f) perpendicular to x=-1 and passes through (3,5) g) slope ...

English

1. Stand in line, please. 2. Stand in a line, please. 3. Stand in two lines, please. 4. Stand in row. 5. Stand in a row. 6. Stand in two rows. =============== Can we use all the expressions? What is the difference between them?

Physics

a car travels 59.78 miles east in 89.67 minutes, then 89.67 miles north in 59.78 minutes, and then 29.89 miles at 59.78 degrees west of south in 149.45 minutes. whats the magnitude of the car's average velocity in miles per hour??? Please help!!!!!! P.S. please don't round ...

Math

Hi. This is my question: An art student wants to make a string collage by connecting six equally spaced points on the circumference of a circle to its center with string. What would be the radian measure of the angle between two adjacent pieces of string, in simplest form? ...

simple science

please simplify why owls have 2 stomachs ok.. its not a problem.. i did in your other comment =) Please scroll down about half way in this site to find your answer. (Broken Link Removed)

Alg: Please Help

Mr. and Mrs. Sawyer bought a condonminium for $75,000. Assuming that it value will appreciate 6% a year, how much will the condo be worth iin five years when the Sawyers are ready to move? Steps please.

History Help Please!!!

i'm writing a paper on the Bolivarian Alternative for the Nations of Our America and I need to tie in a leaked U.S. document that referred to particular countries called the "Axis of Mischief." I can't find one, could you please help??

Psycholofgy

Please help! Is this the correct answer for the question? Please help! I picked C According to ______ therapists, changing the thinking patterns of anxious individuals can greatly lessen their fears. a. cognitive b. behavioral c. existential d. humanistic

calculus-can someone please help me with this ques

Given the following polynomial, find a. the zerros and the multiplicity of each b. where the graph crosses or touches the x-axis c. number of turning points d. end behavior f(x)=(x-1)(x-5) **please show work**

Chem Check Please!!!

Using standard thermodynamic data from Appendix L of your text, calculate the equilibrium constant at 298 K for the following chemical reaction: CO(g) + H2O(l) CO2(g) + H2(g). Show work please! Thank you!!!

Physics-bobpursley please check

This is the question I posted about two hours ago and I worked it out two ways-could you scroll down and check it, please?If I have a roller coaster, and hill 1 height is 50cm and hill height 2 is 25 cm and the PE is .9 as it approaches the top of hill 2, how do I calculate ...

Math

Good evening. I am having a problem solving this problem and need some help step by step please. One tank is filling at a rate or 3/4 gallon per 2/3 minute. A second tank is filling at a rate of 5/8 gallon per 1/2 minute. What tank is filling faster? Please explain step by step.

HELP MS.SUE MATH 5TH GRADE

Theresa wanted to find the height of her school's flagpole in inches. Theresa is 5 feet and 2 inches tall. She estimated that the flagpole was about 10 times her height, so she created the formula below to find the flagpole's height. height = (12 x 5 + 2) x 10 Using Theresa's ...

math(check answers please)

please check my MATH. .Mr.jensen bought 2 2/3 gallons of gasoline yesterday.today he bought 3 1/2 more gallons.how many total gallons of gasoline has he bought? A.5 3/5 b.5 3/6 c.6 1/6 d.5 1/6(i picked this) Mrs.peters bought 7 1/2 yards of fabric.She needs another 4 7/8 yards...

Math

option 1: 2-by-3, 3-by-4, and 4-by-5 option 2: 2-by-2 , 3-by-3 ,and 4-by-4 option 3: 3-by-5 , 3-by-6 , and 3-by-7 For each pyramid option, calculate the total number of shoeboxes used after each row has been completed. That is calculate the total number of shoeboxes in the top...

High School Math

I'm helping my little sister in her math homework. I just got stuck in this problem. Can anyone please help us out. I'm guessing it's letter C. Am I correct? A small company borrows $50,000 at 11% compounded monthly. The loan is due in 4 years. How much interest will the ...

Math

Does -3/4 belong in the group, integers and rational numbers. in order it goes:Natural #s-1,2,3,4... Whole #s-0,1,2,3,4... Integers-whole #s & opposites(negatives) Rational #s-numbers written in fractions or decimals Please read: (Broken Link Removed) -3/4 is a rational number...

gov't help please

identitfy two methods that have been used by interest groups to influence the appointment process. explain how much of these methods has been used to influence that process i looked on google and there was information but it didn't give the exact information i needed. could ...

social studies

PLEASE HELP FAST. i have a social final tmr. and if i don't get 50 questions right im gonna fail socials 9!!! does anyone noe a really good website for the entire socials 9 notes? the textbook im using is called "crossroads" PLEASE HELP. FAST !! i cannot fail socials 9. but i ...

DAMON, Please where are, please scrol down answer my question please

please scrol down and answer my question

health

A person who is afraid of heights likely suffers from ( select all that apply ) a)anxiety b) a phobia c) obsessive-compulsive disorder d) an impulse control disorder Would Someone Please Help Me With The answer I Know One Is Phobia But I Don't Know The Other Would Someone ...

math

whatis the effective rate of $23,000 invested for one year at 6%, compounded semiannually? round your answer to the nearest tenth. could you help me with this one? i need to see the math worked out please. do you have one worked out on the page so i don't have to wait too long.

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...

Chemistry!! Please Help!

A 0.285 M solution of the sodium salt, NaA, of the weak monoprotic acid, HA, has a pH of 9.65. Calculate Ka for the acid HA. I think I am having issues with the equation and then the math part. I figured out what 'x' was from the pH, which I believe is 2.2x10^-10, but when I ...

Math

Can you please help me figure out what to do? ... here is the question ... I have 20 ft of fencing to make a rectangular pen for my dog. What is the largest area that I can fence in? ... Not sure what to do ... thank you!

math

what would be the differentiation of 2^3^x^2? so that is 2 to the 3 to the x to the 2... each is an exponent of one other... the answer i got is 2^3^x^2 * ln 2 * 3^x^2 * x^2 * 2x is that right? my friend had the same, except she did not have x^2 in it. please correct!!

math

Show that the sum of the squares of any five consecutive integers is divisible by 5. I think I should do something with n+(n+1)+(n+2)+(n+3)+(n+4), but I have no idea where to go to from here. Could someone please help me?

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.

5th grade math

Make up a set of at least 12 numbers that have the following lankmarks : Maximum: 8 Range: 6 Mode: 6 Median: 5 Please explain and help! Thank you

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 GRADE 3

AT THE SPORT STORE THERE WERE 7 BIKES,1 UNICYCLE,AND 5 CARS PARKED IN THE LOT. HOW MANY WHEELS WERE THERE IN TOTAL? GIVE A NICE EXPLANATION WITH THE ANSWER PLEASE HELP.

Math

I need some help with this problem. When finding the factors of 841, what is the largest factor you would have to test? What theorem supports this? Can someone please help me with this? Thanks.

Math

Can someone please help me with this problem? Use the number line to model the sum 2 + (-6). Here is my answer: <---6---5---4---3---2--1--0--1--2--3--4--5--> Start at 2 and count backwards 6 points. Is this correct?

Math

Can someone please help me with this question? I have tried to figure it out and I keep getting stumped. Use counters to model and find the product of 2(5). Thanks.

math

This is a confusing problem to me also, can someone please help me? What are the odds in favor of getting at least one head in three successive flips of a coin?

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?

Algebra

I am stuck on this math problem and need help please! Multiply (-4n)^2(3n^4)^2 In multiplication, I am supposed to add the square roots So far I got (16n)(3n^4)^2 I don't know what to do from here

math

Hello i am in class 6 and i have problem in some of the topics please can you explain me 1.Factors and Multiples 2.Integers 3.Rational numbers 4.Estimation and approximation Thank you.

math/calculus

an electric current I , in amps is given by: I= cos(wt) + sqrt of 3 sin(wt) where w is positive constant. what are the max and minimum values of I? *please be specific

Math

Please double check me. Terry went on a 60 mile canoe trip. on first day, he traveled 21 miles. what percent of the total distance was that? 35%

Math

Please double check me. Brett saved $670 at the bank. he want to save $3800 for a trip to disneyland. what percent of his goal has been reached? 17.6%

math grd 11-midterm tomm

please explain how do u draw an asymtote ? and whats the diff btwn set and interval notation? and example plz thanks

Math

Can someone please help with this? I am helping my niece with this problem:7x>_49. Here is what I have: x>_7. The solution is:{x|x>_7}. The graph is: a solid dot on the 7 going to the right. Is this correct?

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

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