184,813 results, page 35

math

y=5x+7 and 3y-15x=18 they want to know how many solutions does the equation have. i got no solution. check for me please? :)

1. How do the graphs of y=1/x and y=5/(x+6) compare? I need steps because I want to be able to do these type of problems. Thank you!

since i cant put this picture on here what is the area of a trapezoid with this on it 8 cm, 5 cm, 4 cm,6 cm and 11 cm??

math

what is -3.5 + 17? The online calculator says 13.5 and I don't get how that is the answer. I got 14.5 and I am confused. Please help me and explain this to me

math

please help me. find the equation of a line through the points (2,8) and (1,5) in the form of x/a + y/b =1 where a and b are y and x intercepts

Math Calculus

Sketch the graph of a function having the following features: f'(x)>0 on (-5,-2) and on (3,oo) f'(x)<0 on (-oo,-5) and on (-2,3) f''(x)>0 on (-oo,-3) and on (1,oo) f''(x)<0 on (-3,1) Please help!

math

Determine whether ΔGHI is a right triangle. G(-2, 1), H(3, -1), I(-4, -4). Can you please show the steps too? Thank you!

english

Hi I have some questions and I would really if you answer my questions! I want to be Nurse Practitioner and I am very passion about it. But I have a lot of problems. First English is not my native language, second I am not good at math, third I am kind intimidated by the ...

math

(parent). My son's problem says "the product of a number and 17"...supposed to write as expression... I'm thinking it would be a 17x=y but he's adamant that because the word "and" is in the sentence that he needs to add something as well.... (no math books provided by school ...

Home Economics/Science

Hi i just needed a little help with my Home Eco homework,could u help me please. here are the questions: what is the social,economical,ittellectual,cultural,protective,security functions of a family. please tell in paragraphs for each section. thanks!!! Please post your ...

Math

It takes 3 cups of granola and 2 cups of raisins to make trail mix if I want to make 15 cups of trail mix how many cups of raisins do I need? Please explain steps to find x, I got 45 but I saw people got different answers??? Please help me and I just want to make sure.

1. Each time a touchdown is scored in a football game, 6 points are added to the score of the scoring team. A team already has 12 points. What rule represents the number of points as an arithmetic sequence when n is the number of touchdowns scored? A(n) = 12 + 6n A(n)12 - (n...

Math Project Gr 5/6

Hi im from BC and im doing a mini project on topic grade 5 and 6 math curriculum topics, please give me any links to sites where i can find information on thank you, and i don't exactly know what kind of info to add, so need help with that. like what should my list of ...

Math

1. The towns population increased from 80,000 to 90,000 in ten years. What was the percent of increase? I didn't understand this one. 2. A \$15 item on sale for \$12 is marked down what percent? 20% 3. If Jenna buys and item for 40% off the regular price, will she pay more or ...

So the question is basically asking which mountains peaks can be seen from Oahu. Island Distance(Mi) Mountain Height(ft) Lanai - 65 - Lanaihale - 3,370 Maui - 110 - Haleakala - 10,023 Hawaii - 190 - Mauna Kea - 13,796 Molokai - 40 - Kamakou - 4,961 A) Radius of earth= 3960 mi...

Math

Lesson 14 equal equations and inequalities unit test math 7 unit 4 (unit Test) Please help I know a bit but not alot Answers or help? thank you

Math

A reatil outlet is having a clearance sale on all the shoes in its inventory over a period of four days. On the first day it sells 1/4 of its inventory, on the second day it sells 1/2 of the remaining inventory , and on the third day it sells 1/6 of the remainder. What ...

Math 141

I am having trouble with this problem. perform the indicated operations and simpily the result as much as possible a) (3x - 2) (x^2 + 2x - 4 ) the answer i got so far is 3x^3 + 4x^2 -16x + 8. Am i done or i have to conitnue to simplify? if so, what do i need to do? b) 10x^3y^2...

HUM 130

Please help me! I ned info. on this ? please I need to explain the desire for liberation from earthly existnce in Hinduism?

calculus

from the equation: x^4 - i = 0 x^4 = i how do you get: The solutions are the fourth roots of i = cos(pi/2) + isin(pi/2) I don't understand how you get pi/2? please full and detailed explanation please.

Where can I find some informations on three different types of ocean water Please ,

Algebra I

Could someone please help with these problems? 4x squared-5x + 3 if is a.3 b. 0.3 Please show me the work invovled on getting the answer, my teacher requests it. Thank you.

please can u give me some advices and sites or ANYTHING that can help me speak english very good and so fast. thank you alot.

Precalculus(URGENT)

determoine whether the equation defines y as a function of x y= the square root of(-3x-6) please please show work

Chemistry

How do the qualities of acids and bases help us in the natural world? Please help-I posted this yesterday and I really don't get it-can someone direct me,please? Thank you

Literature

Please summerize and help me to understand M.H.Abrams-Structure and Style in the Greater Romantic Lyric? mail me please,thank you for your concern.

Find the missing coeffectient in the equation of the line. -4x+by=10 that passes through (2,3) Could someone explain please.. Thanks.

Biology . Ahh , help me with this question please

summarize how unicellular organisms may have given rise to the first animals ? Please , & thank you(:

science

determine the weight of an object if its mass is 68kg and the pull of gravity is 9.8 m/s^2. someone please help me an show the work please

Algebra

Please help-What is the equation of the ellipse with foci (0,6), (0,-6) and co-vertices (2,0),(-2,0) Please explain the steps because I have 5 to do for homework-Thank you-I'm really stuck on this

statistics

Using the data set below please calculate the 2;8;6;9;5 Range What would be the percentile rank of the number 6? Help please!

statistics

population with a mean of 53.1 and standard deviation of 4.43 Calculate z score for xbar 49.8 from a sample of size 11 Someone please please help me!

Languagge

I don't understand anything about writing and graphing exponential decay functions../: Explain please, with an example.

i do not understand how to solve this problem, please help 10.0mL 0.5M sulfuric acid can neutralize what volume of 0.5M ammonium hydroxide?

civics

Q: which industries in the pacific region most affect the nation. can someone please take their time and please help me with this question? Thank you!!!

Homework - Draw a cartoon that represent a solid, liquid, and a gas. I'm struggling with this assignment, please help me!!!!

find the domain of the composite function fog. f(x)= 2/x-3; g(x)= 7/x please show all work.

calculus

find the bound on the real zeros of the polynomial function f(x)=x^4+x^3-4x-6 cna you please show me how you got the answer please

mathURGENT!!!!!!

the lines satisfying the equations x+2y=3 and 3y+ax=2 are perpendicular to each other. find the value of 'a'. please answer and explain how you got, please!!

english

what are topic sentences and transitions? please tell me and let me know and if you can help me i thank you very much bye oh and please give me the anwsers too so i can get it for the test

Can you please tell me if this is a balanced equation for Zinc and acetic acid... Zn(s) + 2CH3COOH(aq)-->Zn(aq)(CH3COO)2 + H2(g) I would appreciate any help

Explain the effects of World War II, on both the United States and on Georgia. (5 points) please help

Vocabulary

Criticism A. Analysis B. Summary C. Critique D. Argument A is wrong. Is it C? Please help me Ms.Sue cause your always correct. Am begging for help Please.

What would be a person target heart rate be if they are 14 years old? I know it starts like 220-14=206 but then what... Please help

s.s

where were most native americans in north america located when europeans arrived? there are no choices so just help me with this someone please help please!!!!!

chemistry

How many g of NaOH is needed to make 300.0 mL of a 20 % (w/v) solution? please please show all work I'm very lost

Algebra 1A

Help Please! multiply 5/7(-35)= 0 is this correct? if not will you show me please? thanks

12(74y - (6+5Y - 8Z) = Please show work

CALCULUS:)

what is Hemophilia? please explain thanks

english

Please could you help me with 6 words with silent letters ...please

Please describe a constant in an experiment.

Math/English?

Hey! How's it going? Can anyone help me out here? My teacher asked us students to come up with a mnemonic device for PEMDAS (you know, the order of Operations), other than Please Exuse My Dear Aunt Sally. I came up with great ideas, but she changed her mind! Now I have to make...

Math

please if anyone could help me with this question: 1. A class paid \$20 for a cake and \$4 per child for one slice of cheese pizza. they paid \$140. how many children are in the class? 2. Rajie want to divide 24 peanuts, 64 raisins, and 56 apricots evenly into packets (with 0 ...

math

A traveler travels on a highway 80 miles at 55 miles per hour, he then travels back on the same highway at 45 miles per hour. What was his average rate of speed. (Hint: it's not 50 miles per hour) If it's not 50, i'm so confused!!! Please help!!! (and please show me how you ...

Please help with the following: Dani wants to measure the volume of a pebble. Which tool will give the most accurate measurement? A. a ruler B. a tablespoon C. a measuring cup D. a graduated cylinder I think the answer is mostly D. Is this correct? Please help me by checking ...

The radius of Earth is 6,371 kilometers. A space shuttle orbits 315 kilometers above the surface of Earth. The space shuttle completes 240° of a revolution around Earth in one hour. What is the average speed of the space shuttle? Choose the closest answer. Please help both ...

Physics

I'm trying to rearange this 0 = Xo + 2^-1 a t^2 for t I've been told that it is (a^-1 2x)^(2^-1) but I do not see how please show me step by step how you get that 0 - Xo = Xo - Xo + 2^-1 a t^2 (-Xo = 2^-1 a t^2) a^-1 2 (a^-1 (2-Xo) = t^2)^(2^-1) (a^-1 (2 - Xo))^(2^-1) please ...

A neutral nitrogen atom has 7 electrons, 7 protons, and 7 neutrons. What is its total charge? If we remove 2 of the electrons, now what is its charge? what is its charge if we add 2 electrons to the neutrol atom instead? give charge in Coloumbs.

cicivs

does hawaii have waterways? If yes, please name the waterways of hawaii and how it can help to shape the lives of people living in Hawaii. Please somebody help me because I looked all over my online civics book and i did research on waterways of Hawaii and I still cant even ...

Math--I need help!

I have these two questions on my assignment. Please help me. 80 mi. = _______ km. 9 cm. = _______ m. 9cm (1m/100cm)=??? 80miles (1 km/1600m) one mile = 1.6093 km so 80 times 1.6093 = what? one cm = 1/100 m or .01 m so 9 cm = 9 times .01 = what? 9 cm = 0.09 m. 80mi.= 128.72km. ...

If a * b = a - 3b and a # b = 2a + 3b, evaluate the expression (4 * 3) # 5. If y # y = 2x + 3y and x * y = 5x + 4y, evaluate the expression 2 # (4 * 3). Please help! Try to explain how I should solve these - don't just give me the answer. These problems showed up in my math ...

Math Homework Help

Hello! I'm having problems with these two math problems. I've tried to solve them but I got nowhere. If someone could please help me, that would great! Thanks again! :) Directions: Verify the identity for each problem. 1.) cot^2y(sec^2-y-1)=1 2.) cosx+sin xtan x=sec x

Applying Rational Number Operations

1) -/-3/____ -3 //= what's the absulute value of. In the blank either put < or >! 2) In three plays, a football team gains 11 yd, loses 18 yd, and gamins 3 yd. Write and evaluate an addition expression to model the situation. [please explain how you got each question ...

Distributive property

How would I multiply these expression? 6(h-4) -3(x+8) -10(-a+5) PLease and thank-You Multiply the coefficient (outside the parentheses) by each term inside the parentheses. For example, 6(h-4) = 6h - 24 You do the others do you have 5th grade distributive property jiskha ...

please check my answer thanks Janet took a standardized test that had 328 questions. She answered 75 %of the questions. How many questions did she answer P = R X B P = 75 % x 328 = .75 x 328 = 246 Portion = 246

Chemistry - HELP IGCSE

I have a chemistry exam tomorrow and I don't get the double bonding in covalent bonding I tried many websites , textbooks and other books and yet nothing worked Can someone please explain it clearely and in a simple way and please don't put any links for websites ca use ...

Kale is building a small basement suite. The bathroom takes up 1/3 of the suite and has an area of 12m2. 1. Draw the room and label all the areas 2. what are the possible dimensions of the bathroom? 3. what is the area of the rest of the suite without the bathroom? 4.what is ...

Math

PLEASE HELP ME! You are measuring walnuts for banana walnut oatmeal and a spinach and walnut salad. You need 3/8 cup of walnuts for the oatmeal and 3/4 cup of walnuts for the salad. You have a 1/4-cup scoop. Describe two different ways to find how many scoops of walnuts you ...

CALCULUS

Please help.. ʃ (4sin²x cos²×/sin 2x cos 2x)dx That's integration of (4sin^2x cos^2x over sin 2x cos 2x) dx i've got it from the back and it has an answer from the back page of the book but i want to know how to solve it..i really need it for practicing this subject......

Math

You have to use 3,500 calories to lose one pound. If you play Dance Dance Revolution you can burn 1,000 calories in an hour. How many hours would you have to play in order to lose one pound? Answer is 35 3500 divided by 1,000=35 please help Ms. Sue i think this is right if not...

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) see above. helpppppppppppppp me i am failing your fat

Physics Lab

Can someone please help me? I need some ideas, I am totally stuck...I posted as the same name as I am now! Please! thanks

Would you please look on page 2,under Cultural Diversity and help me with the question I had asked earlier? Thanks!

SCIENCE

wat are 2 ways newtons 3 laws of motion apply in volleyball!!! please help i looked everywhere!!! please I NEED THIS BY TOMORROW!!!!!!! thank you

SOCIAL STUDIES

How large was Alexander's kingdom in Macedonia? What distance? Please give a number using miles or kilometers please!?

10 places, 10 foods, 10 animals, 10 things, 10 people, and 10 games with double letters PLEAse!!! I don't have much time

English

(telephone call) Hello. May I speak to Tony? 1. - Who's calling, please? 2. - Who's speaking, please? (Which one do we have to use? Are both OK?)

calculus

please help! Find an equation of the tangent line to the curve at the point (-1, 1). y = 5x3 - 6x. y=? ...............i keep getting y=x+2 and its wrong. can someone please help?