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February 22, 2017

Homework Help: 2nd Grade

Math grade 12
make F(x)=3/x-11 vertical asymptote
Saturday, August 13, 2011 by F(x)=3/x-11 vertical

Chemistry - please help
A substance was tested for Impurity A using liquid chromatography. 2 determinations were performed. In the 1st chromatogram, Impurity A was not detected, i.e. no Impurity A peak was observed and in the 2nd chromatogram, Impurity A peak was observed with a value of 0.3%. Is it ...
Saturday, August 13, 2011 by elizabeth

CHemistry - help needed
I performed a "related substances" test using HPLC on 1 sample. The 1st value for an impurity is 0% (not detected) and the 2nd value is 0.3%. THe passing limit is 4% for this test. Are the results acceptable, i.e. to take the average of the 2 values to give 0.15%?
Thursday, August 11, 2011 by elizabeth

Math
Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...
Wednesday, July 20, 2011 by Jen

Math-Please help :(
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
Thursday, July 14, 2011 by Jen

stats
Can someone please help me, I have been working on this for 2 hours now and I keep getting a negative answer. You are given the following data. Number of Absences Final Grade 0 99 1 94 2 79 3 73 4 68 5 53 - Find the correlation coefficient for the data. - Find the equation for...
Thursday, July 14, 2011 by Celest

Math
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
Thursday, July 14, 2011 by Jen

Math
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
Thursday, July 14, 2011 by Jen

chesmistry 9 grade
advantage,disadvantage of zero-b water purifier
Wednesday, July 13, 2011 by flash

Math
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
Wednesday, July 13, 2011 by Jen

Math-geometry
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
Wednesday, July 13, 2011 by Jen

Math-geometry
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
Tuesday, July 12, 2011 by Jen

math
Select 2 cards from a deck of 52, a. Find the probability of getting 2 hearts b. Find the probability of getting a heart on the 2nd draw given that you got a heart on the first draw
Monday, July 11, 2011 by anonymous

Math
The table below shows the number of molecules in experiment B. Time(h) : 1st , 2nd , 3rd , 4th , 5th No. of molecules : 3 , 8 , 15 , 24, 35 (i) how many molecules will there be in nth hour? (ii) from which hour onwards would the no. of molecules be in experiment B?
Saturday, June 18, 2011 by Smartypants

Math
2004 (2nd) course2-3.2 Let P and Q be points on the line y=x+4 where the x-coordinates of P and Q are p and p+1,respectively.Let O denote the origin. (1)For 2 vectors OP(vector)and OQ(vector),the inner product OP(vector)*OQ(vector) takes its minimum when p is JK/L (2)For P and...
Friday, June 10, 2011 by Bayarbold

math
a number story for grade 4?
Wednesday, June 8, 2011 by tanvi verma

math grade 5
My sister in grade 5 needs help but i dunt exactly know how to do the answers myself, so if someone can help me out i can explain to her better. Thanks 3. You are using a tree diagram with 12 branches to show the possible outcome of a probability experiment What might the ...
Monday, June 6, 2011 by saira

3rd grade math
Explain how to compare 0.34 and 0.27?
Monday, June 6, 2011 by Rae

science
7th grade..... what is the function of the retina in the eye ?:)<3
Thursday, June 2, 2011 by ruth a.

MAT/116
I was just wandering if this was correct? 1. Your company is planning to spend no less than $80,000 and no more than $100,000 on a landscaping project, which will be used as a promotional park that promotes your toaster manufacturing company. Write an inequality with a ...
Monday, May 30, 2011 by Vic

MAT/116
I was just wandering if this was correct? 1. Your company is planning to spend no less than $80,000 and no more than $100,000 on a landscaping project, which will be used as a promotional park that promotes your toaster manufacturing company. Write an inequality with a ...
Sunday, May 29, 2011 by Vic

school in general
Hi i have a question im currently in 7th grade but i was held back a year in first do you think there would be any possible way to advance to 8th grade just curios I believe I have a wide enough knowledge span to pull it off but im just questioning the wheter or not it would ...
Friday, May 27, 2011 by JESSE

SCIENCE(PHYSICS)
A train travels 40 km/hr for 0.2 hr, 50km/hr for next 0.2hr and 60km/hr for next 0.4 hr.calculate the average speed of train. My Solution:-1st hr. distance=40 multiplied by 0.2=8km 2nd hr.= 50 multiplied by 0.2=10km 3rd hr. =60 multiplied by 0.4=24 km Average speed=10+24+8 ...
Wednesday, May 25, 2011 by YASH

11th grade-math
help me Use the Quadratic Formula to solve N2=6n
Tuesday, May 24, 2011 by kayla

world issuse
I'm a 7 letter word u read daily,my 5th 6th and 7th letter increase each year,my 3rd n 4th letter are the same,my 3rd 2nd n 5th letter cover 75% of the world.
Tuesday, May 24, 2011 by dan

math
i'm in 5th grade what is 9/26 with a remander
Monday, May 23, 2011 by angelina

AP Physics
A Young's double slit has a slit separation of 2.50x10 raised to the -5th power m on which a monochromatic light beam is directed. The resultant bright fringes on a screen 1.00 m from the double slit are separated by 2.30x10 raised to the -2nd power m. What is the wavelength ...
Sunday, May 22, 2011 by Sydney

4th grade math
Ms. Sue, so how would you write 50.90
Sunday, May 22, 2011 by bes

4th grade math
how do you write 50.09 in word form?
Sunday, May 22, 2011 by bes

6th Grade Math
76 is what percent of 15??????????????????
Sunday, May 22, 2011 by Mbaintu

5th Grade
write the number13 inbase six
Saturday, May 21, 2011 by Raja

4th grade math
what is the next number in the pattern 5,3,7,5,9,7,11?
Thursday, May 19, 2011 by jennifer

criminal justice
Prepare a 6–8 slide PowerPoint presentation that addresses the following questions: •What are some of the ways that organized crime impacts you and a community and/or city (of your choice) directly? (This element will account for 20% of your grade.) •What are some of the...
Wednesday, May 18, 2011 by nancy

Maths
The 5th term of an exponential sequence is 4 and of 2nd term is 35(¡)find the 3rd term (¡¡)the 6th term (¡¡¡)the sum of the first 5th term?
Tuesday, May 17, 2011 by Job

Maths 7th grade
How do you factorise?
Tuesday, May 17, 2011 by Z

6th grade math
how do you put 1 and 3/16 and 1 and 7/8 in simplest form and what is the answer?
Friday, May 13, 2011 by Aiyana

trig
1st-the reason i keep change my name because some of my friends are using my computer by their own name to asked questions. we are having a hard time solving each trig problems 2nd- if sin theta=0.6 and 90 degree <theta < 180 degree, find the exact value of sin 2 theta. ...
Sunday, May 8, 2011 by minh

physics
If 7.00hp are required to drive a 1500-kg automobile at 66.0 km/h on a level road. What power is necessary to drive the car at 66.0 km/h down a 1.00 % grade? It requires 42.9 hp to drive the car at 66.0 km/h up a 10.0 % grade (a hill rising 10.0 m vertically in 100.0 m ...
Thursday, May 5, 2011 by Allison

Physics
If 7.00hp are required to drive a 1500-kg automobile at 66.0 km/h on a level road. What power is necessary to drive the car at 66.0 km/h down a 1.00 % grade? It requires 42.9 hp to drive the car at 66.0 km/h up a 10.0 % grade (a hill rising 10.0 m vertically in 100.0 m ...
Wednesday, May 4, 2011 by Allison

8th grade math
If the sum of 1! + 2! + 3! + 4! + ... + 49! + 50! is divided by 15, what is the remainder?
Wednesday, May 4, 2011 by Anonymous

8th grade math
2x-5y=14 3x+2y=40 what is the solve of xy ?
Tuesday, May 3, 2011 by Anonymous

8th grade math
2x-5y=14 3x+2y=40 what is the solve of xy ?
Tuesday, May 3, 2011 by Anonymous

4th grade math
my question is in geometry what does 4/3 look like?
Tuesday, May 3, 2011 by mckenzie

5th grade math
how do you reduce 15/20 and 8/20?
Monday, May 2, 2011 by mary

8th grade math
3.5 X 10 ________ 7 x 10^-9
Sunday, May 1, 2011 by john

8th grade science
Is it probable that the sun will become a supernova? Why or why not?
Friday, April 29, 2011 by Kallie

Spanis8th grade
Is this correct? Tú salgas la escuela a las ocho.
Thursday, April 28, 2011 by Jodie-

Chem Webwork UCI
Complete the table below: What is the pH of the solution created by combining 0.70 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? mL NaOH: 0.70 pH w/ HCl: 1.08 pH wHC2H3O2: 3.23 Complete the table below: What are the pH ...
Monday, April 25, 2011 by Michelle

math
There are 283 students in Walley's school and 59 of them are in the sixth grade. What is the approximate percent of student at Walley's school who are in the sixth grade
Wednesday, April 20, 2011 by Mecca

math
An average score of 90 or above in a history class receives an A grade. You have scores of 90, 89, and 85 on three exams. Find the range of scores on the fourth exam that will give you an A grade for the course. (Let N stand for your score on the fourth exam.)
Wednesday, April 20, 2011 by lucy

math algebara 8th grade
system of equations thank you 2x+3y-17 3x+y=31 2(x-3y)=24 y=3x-2 2(x+4)=24 x+y=17
Wednesday, April 20, 2011 by amey

Physics
Orange light (wavelength=600nm) is passes through a single slit. Use a=2000nm and L=2m. a) Determine the linear size on the screen of the 2nd maximum (not including the central maximum). b) Determine how many total maxima occur in the pattern. a) I thought for a single slit, ...
Monday, April 18, 2011 by Chelsea

Physics
Orange light (wavelength=600nm) is passes through a single slit. Use a=2000nm and L=2m. a) Determine the linear size on the screen of the 2nd maximum (not including the central maximum). b) Determine how many total maxima occur in the pattern. a) I thought for a single slit, ...
Monday, April 18, 2011 by Chelsea

Stat
P(A)=.10, P(B)=.30, P(C)=.40, P(D)=.10, P(F)=.10. Determined the expected grade and variance for the course.
Sunday, April 17, 2011 by RB

MAth
I don't know how to begin this one-help Janie bought 2 pairs of identical jeans at a sale.she paid regular price for the 1st pair and paid half price forthe 2nd pair.if the the total cost was $45.00,what was the regular price of the jeans? 2x-1/2x=45 ??
Friday, April 15, 2011 by Caroline

grade nine math Polynomials
4s + 3 -s = -6
Wednesday, April 13, 2011 by peyton

Calculus AB (AP)
Hi, I have a calculus test tomorrow and I understand how to complete all of the problems, but I am unsure behind the reasoning of taking two derivatives. Can someone please explain the following: 1. g(x)=e^(f(x)) g'(x)=e^(f(x))f'(x) 2. f(x)=Integral from 0 to 3x of the square ...
Wednesday, April 13, 2011 by Jake

4th grade math
write the digit 5's value
Tuesday, April 12, 2011 by megajolt

grade 9 math
Does this answer seem correct. 2k+3=4k-5 2k-4k+3-3=-5-3 2k-4k=-5-3 -2k/-2k = -8/2 k=4
Tuesday, April 12, 2011 by brooke

math 4th grade
how do you writ $1,044 in word form.
Monday, April 11, 2011 by jazmin

5th grade Math
Explain how you can find the product of 5 and 3/4.
Thursday, April 7, 2011 by Sarah

social studies 8th grade
what are the factors of industrial development
Thursday, April 7, 2011 by hunt

chemistry
Consider the reaction: A + B −> C If it is 2nd order in A and 0 order in B, a plot of [B]−1 vs time will be... a. linear and negative b. exponential and negative c. linear and positive d. equal to zero e. exponential and positive
Wednesday, April 6, 2011 by Eddy

4th grade math
what does 12/15 - 7/15 equal,in simplest form?
Tuesday, April 5, 2011 by megajolt

4th grade math
write a decimal and 45/90 in simplest form
Tuesday, April 5, 2011 by megajolt

science
I have two questions I need help with. First is a two word answer for _____ can occur when heat from a volcano melts snow on a mountain. Total of 12 letters, 2nd is a, 4th s, 12th t. Second question-what is a 7 letter word for a mixture of loose sand, rock, and water moving at...
Thursday, March 31, 2011 by ccrs

math
What is 5,280 feet divided by 26 miles? 5th grade
Thursday, March 31, 2011 by Vinny

english
She gave birth to her first child by her uncle at age 14 in 1990. This is showing a sign of being raped. Does this works? The psychologist help Alesha to break through her issues by using cognitive-behavioral therapy. Is "to" necessary or should take it out? Or both are ...
Wednesday, March 30, 2011 by Jackie

math 4th grade
is 80 sq feet the size of a kitchen or is it 8 sq ft
Wednesday, March 30, 2011 by spencer

ryhme scheme
6 grade poetry plz help im dislexic and retarted
Wednesday, March 30, 2011 by papa jack

7th grade
use backtracking to solve each e quations ?. 2x +1=9, 7k-3=32, 5(n-8)=25 2(2t-1)=14 8x-1=63 ,2x-5=15,
Tuesday, March 29, 2011 by holiday

Chemistry-help needed
Posted by candy on Monday, March 28, 2011 at 3:15pm. 0.3g of clotrimazole (C22H17ClN2) was dissolved in 80ml of anhydrous acetic acid. This was titrated with 0.1M perchloric acid using 0.3ml of naphtholbenzein as indicator until the colour changes from brownish-yellow to green...
Tuesday, March 29, 2011 by candy

intro to statisics
78% of US homes have a telephone answering device. In a random sample of 250 homes, what is the probability that fewer than 50 do not have a telephone answering device. Courtney, 2nd yr college
Tuesday, March 29, 2011 by Courtney

Math
The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children
Monday, March 28, 2011 by Mai

Math
The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children
Monday, March 28, 2011 by Macy

math
Please Help!! The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children
Monday, March 28, 2011 by luce

math
The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children
Monday, March 28, 2011 by jj

Math
The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children?
Monday, March 28, 2011 by MX

chemistry - help
0.3g of clotrimazole (C22H17ClN2) was dissolved in 80ml of anhydrous acetic acid. This was titrated with 0.1M perchloric acid using 0.3ml of naphtholbenzein as indicator until the colour changes from brownish-yellow to green. 1ml of 0.1M perchloric acid is equivalent to 34....
Monday, March 28, 2011 by candy

7th grade math
what is an equation?
Sunday, March 27, 2011 by holiday

7th grade math
what is an equation?
Sunday, March 27, 2011 by holiday

7th grade math
2x+7=4x+3 ? 3x+6=5x+1 ? 2n+6=8N+3 ? 6N+9=9n+6 ?
Sunday, March 27, 2011 by holiday

3rd grade math
16 1/2 x 33 = is it 792
Sunday, March 27, 2011 by Sharon

grade nine polynomials
(3/4) (1/-2) + (5/6) (-1/3)
Sunday, March 27, 2011 by brooke

grade 9 polynomials
7 (r+3s) - 2(2r -9s) I am having a hard time solving can anyone please help
Sunday, March 27, 2011 by brooke

6th grade math
s=5m find the area of square
Monday, March 21, 2011 by Sally

english (for Sra) repost
The Lady of Shalott I have two events and have to find the quotation. 1st event The handsome, dazzling figure of Sir Lancelot rides by in his shining armour. The Lady sees him in the mirror and can no longer bear her imprisonment. 2nd event The Lady floats down the river past ...
Sunday, March 20, 2011 by george

Fractions-easy 5th grade
Multiply and divide. 1) -2 4/11(-2) 2) 5 1/7 / 4 1/8
Saturday, March 19, 2011 by Justin

Microeconomics
You own the Wizard of Oz on DVD. The opportunity cost of watching this DVD for the second time: A) is zero. B) is one half the cost of the DVD, as this is the 2nd time you have watched it. C) is the value the alternative use of the time you spend watching the DVD. D) cannot be...
Thursday, March 17, 2011 by lavern

Second Grade Fractions
4/6 of 18 is ?
Thursday, March 17, 2011 by Rosie

5th grade math
please show how to get the answer... w>2 d+6<15 s-1>4
Wednesday, March 16, 2011 by casey

5th grade math
please show how to get the answer... w>2 d+6<15 s-1>4
Wednesday, March 16, 2011 by casey

5th grade math
please show how to get the answer... w>2 d+6<15 s-1>4
Wednesday, March 16, 2011 by casey

MATH
A track meet awards 6, 5, 4, 3, 2 and 1 points for 1st, 2nd, 3rd, 4th, 5th and 6th places, respectively. Team A’s only two runners originally earned 6 points in the first race with both runners finishing in the top 6, but then the winner of the first race ...
Wednesday, March 16, 2011 by ABC123DoReMi

English-writeacher
Hey, I just wanted to let you know that I got the grade back for that english paper you helped me write a few weeks back...the movie analysis on A Walk to Remember. I got a B! : ) But I have a chance to revise it according to the teachers comments and turn it in for a better ...
Tuesday, March 15, 2011 by y912f

4th grade math
can u exsplain long division to me?
Monday, March 14, 2011 by clinton

chemistry.
in the titration between Na2CO3 and HCl... 1) at the first end point what reaction is stoiciometrically complete? 2)At the start of titration where HCl=0 is the solution acidic or basic. ExPlain? 3) At the 2nd end point what reaction is stiociometrically complete? 4)Propose a ...
Sunday, March 13, 2011 by zoe

Physics * (Wht am I doing wrng? answ provided)
A 6 kg block slides on a horizontal frictionless surface with a speed of 1.5 m/s . It is brought momentarily to rest when it hits a bumper that compresses a spring. The acceleration of gravity is 9.8 m/s2 .How much is the spring compressed if its force constant is 7 kN/m? ...
Friday, March 11, 2011 by cr

Chemistry-help needed
0.3g of clotrimazole (C22H17ClN2) was dissolved in 80ml of anhydrous acetic acid. This was titrated with 0.1M perchloric acid using 0.3ml of naphtholbenzein as indicator until the colour changes from brownish-yellow to green. 1ml of 0.1M perchloric acid is equivalent to 34....
Wednesday, March 9, 2011 by candy

5th grade math
is 13/20 greater than 3/4
Tuesday, March 8, 2011 by Olivia Hines

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