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Questions Asked on January 4, 2015

•Which of the following solutions will be the best buffer at a pH of 9.26? (Ka for HC2H3O2 is 1.8 x 10–5; Kb for NH3 is 1.8
1. 1 answer
2. asked by anita
3. 7,061 views
A projectile is launched upward from a height of 960 feet with an initial velocity of 64 ft/s. The equation gives the height h
1. 1 answer
2. asked by ljpoole
3. 4,673 views
Find an equation of the line passing through the point (6,5) and perpendicular to the line whose equation is 2y+3x=6
1. 3 answers
2. asked by Matt
3. 2,958 views
Kevin had 3/4 yd of string. He used 1/3 of it on a school project. How much string did he use?A.5/12 yd B.1/3 yd C.7/12 yd D.1/4
1. 7 answers
2. asked by Mo
3. 2,679 views
the ninth term of an arithmetic progression is 52ind the and the sum of the first twelve terms is 414.find the first term and
1. 3 answers
2. asked by jaylan talib
3. 1,902 views
a certain university in the region has a population of 20000 students distributed into 15 courses and four year levels.if you
1. 3 answers
2. asked by fin
3. 1,652 views
1. Who controlled the most territory bordering the Louisiana Purchase?A- Spain B- France C- Great Britain D-Mexico 2. Which of
1. 9 answers
2. asked by Elizabeth Meyer
3. 1,592 views
John was visiting three cities that lie on a coordinate grid at (-4, 5), (4, 5), and (-3, -4). If he visited all the cities and
1. 4 answers
2. asked by Anonymous
3. 1,486 views
A 10 foot long ladder is leaning against a vertical wall with the top of the ladder 8ft from the ground. What is the slope of
1. 3 answers
2. asked by Julius
3. 1,389 views
If the temperature is 3°f at 10:00 p.m, and the temperature falls four degrees overnight, what is the resulting temperature
1. 2 answers
2. asked by Anonymous
3. 1,339 views
1) A gym charges a one-time sign-up fee and then a regular monthly fee. The cost of a membership as a function of the number of
1. 1 answer
2. asked by unicorns<3
3. 1,307 views
So I did a titration lab at school with NaOH and HCl. i have to find:- volume used, NaOH - Moles of NaOH - Moles of HCl -Volume
1. 1 answer
2. asked by julie
3. 1,145 views
find the turning points for the curve y=2x^3-1/2x^2-x+5. Determine the nature of the turning points.Appreciate your help
1. 1 answer
2. asked by andy
3. 1,083 views
A bungee jumper of mass 75 kg uses a bungee cord with a relaxedlength of 50 m and jumps from a bridge that is 170 m above the
1. 0 answers
2. asked by Kim
3. 1,075 views
The weekly marginal cost functions C'(x) and the weekly marginal revenue function R'(x) of a company assembling personal
1. 1 answer
2. asked by Jane
3. 1,056 views
to accommodate the rapid human population growth, the water supply should increase by-a. 5% for 15 years b. 20% for 15 years c.
1. 1 answer
2. asked by BRENDA
3. 1,054 views
A de-orbit burn, similar (but not the same) to that presented in the previous math problem, has been performed. During this
1. 1 answer
2. asked by Wolf
3. 1,039 views
tom is eight years older than steve. three years ago, steve was two years more than one third as old as tom was then. how old is
1. 1 answer
2. asked by dexter taneo
3. 967 views
A projectile is launched upward from a height of 960 feet with an initial velocity of 64 ft/s. The equation gives the height h
1. 1 answer
2. asked by ljpoole
3. 935 views
So I have two questions that have been puzzling me for quite some time and would really appreciate any help with either of them!
1. 2 answers
2. asked by majorbill
3. 894 views
Can some one please tell me if these are assertive,non-assertive,or aggressive. and give me an example how i would write each
1. 1 answer
2. asked by Sara
3. 882 views
Brenda is building a rectangular pen for her dog. She has enough fencing to build the pen so that it has a perimeter of 36 feet.
1. 1 answer
2. asked by Kaylee
3. 870 views
A car moves from rest with a constant acceleration of 4m/s squared for 5s .IT then continues with the speed attained for10s and
1. 1 answer
2. asked by Gabriella
3. 797 views
A 1.00 x 10^4 W electric motor is used to lift a 955 kg object vertically 25.0 m at a constant velocity in 45.0 s. What is the
1. 1 answer
2. asked by Allie
3. 761 views
An optical fiber is made of a clear plastic with index of refraction n=1.6, For what angles with the surface the light remain
1. 0 answers
2. asked by jo
3. 753 views
Hi.Can someone explaint the message the poems "The lamb" and "The tyger" By William Blake .. I need to know what was his message
1. 7 answers
2. asked by Isa
3. 749 views
An orchestra buys music stands for $42 each with $298 in its bank account. Write a function rule that shows how the account
1. 1 answer
2. asked by Student
3. 746 views
Could someone please help me.Solve the linear equation by substitution. Y=10-2.2x 5x+y=70 For the first equation I am getting
1. 2 answers
2. asked by Cherie
3. 743 views
7 billion chocolate chip cookies are consumed annually. In order to find out how many cookies are consumed on average by every
1. 2 answers
2. asked by Karen
3. 731 views
Calculate the interest earned on an investment of 2500 invested at an interest rate of 6.15%/a compounded quarterly for 10
1. 1 answer
2. asked by parker
3. 708 views
Blending spice:Spice of life sells ground sumac for $1.35per ounce and ground thyme for $1.85 per ounce. Aman wants to make a 20
1. 2 answers
2. asked by slomo
3. 696 views
the total revenue and the total profit functions (in Ringgit) of a product are given as follows:total revenue :R(x)= x^3-95-800x
1. 1 answer
2. asked by Andrew
3. 695 views
What are the signs of heat exhaustion
1. 2 answers
2. asked by Anonymous
3. 669 views
Since temperature in humid can be very hot in the summer and very cold in the winter the vegetation in these area is
1. 3 answers
2. asked by lilybelle
3. 643 views
mention 2 instructional materials that can be prepared using Microsoft word?
1. 1 answer
2. asked by thuu
3. 628 views
All of your hard work and dedication has molded you into an amazing young lady.or All of your hard work and dedication have
1. 7 answers
2. asked by Suzanne
3. 617 views
At noon the temperature was 2°f.By sunset it had dropped 6 degrees. WHAT WAS THE TEMPERATURE AT SUNSET?
1. 1 answer
2. asked by liliana
3. 605 views
Mabel is installing a square pool in her backyard and wants a circular fence to enclose the pool to create 4 grassy areas around
1. 1 answer
2. asked by billy
3. 602 views
Translate problem situation to a system of equations. Do not solve. The sum of two numbers is 10 the first number is 2/3 of the
1. 1 answer
2. asked by slomo
3. 595 views
Would like to know which courses I qualify in with the above subjects
1. 8 answers
2. asked by ayabonga
3. 591 views
Janice needs to figure out her cell phone bill. She is charged a monthly flat fee of $45. She is also charged $0.25 per minute.
1. 1 answer
2. asked by martese
3. 570 views
Continent move by a.water eroding.b. conveyor-like belt of magma dragging plate ad continental c. Ring of fire.d.wind shifting
1. 1 answer
2. asked by lilybelle
3. 569 views
a toy car rolls horizontally on to a ramp that has a total height of 0.8m. what minimum velocity will allow the car to reach the
1. 1 answer
2. asked by Jacob
3. 563 views
a ball rolls off the table top 2m tall. with a velocity of 10m/s. with what speed will it strike the ground?A. 10m/s B. 6.3m/s
1. 1 answer
2. asked by Jacob
3. 538 views
I purchased a product that was listed at RM 2000. If a chain discount of 10%, 5% and a 2% were given and a chain discount of 5%
1. 1 answer
2. asked by Ann
3. 532 views
a 2 digit number is 9 times the sum of its digits .if it's ones and tens digits be x and y.write a linear equation in two
1. 1 answer
2. asked by Vishal
3. 525 views
Would there be as much variety to living things if meiosis did not occur?
1. 1 answer
2. asked by 8th grade Science
3. 525 views
Calculate the number of atoms in 2.58 mol antimony. Its an example problem, I need help!
1. 1 answer
2. asked by Bre
3. 523 views
What does don't let me hit the ground means? it's part of the verse in the song i chose to present in school please just give me
1. 5 answers
2. asked by Anonymous
3. 520 views
In rectangle ABCD, AC= 8x-10 and BD=2x+20. Find the length of BD
1. 1 answer
2. asked by Matt
3. 517 views
a wooden block of mass equal to 15kg is pressed against a spring. The spring has constant of 225N/m. If the spring is compressed
1. 0 answers
2. asked by Jacob
3. 516 views
If the 6th term of an arithmetic sequence is 48, and the sum of the first 6 terms is 300, what is the first term and the
1. 2 answers
2. asked by Jane
3. 504 views
5=log3(x^2+18)
1. 2 answers
2. asked by Anonymous
3. 502 views
what is the volume, in liter of 2.54 mol methane (ch4) gas? I've been stuck on this problem for hours, someone please help!
1. 1 answer
2. asked by jake
3. 502 views
If I borrow RM 100,000 to buy a house and I have to pay RM 3000 a month into an account that charges 5 % p.a compounded monthly,
1. 1 answer
2. asked by Desmond
3. 496 views
Can someone please help me determine the mass of 1.45 mol FePO4?
1. 1 answer
2. asked by Bre
3. 495 views
Find the product14.4/5 of 30 A. 24 B. 8 C.30 4/5 D.20 15. 14 * 3/5 A.42 B. 20 C. 8 2/5 D.28 3/5 16. 3/10 * 2/10 A.3/50 B. 1/10
1. 5 answers
2. asked by Mo
3. 480 views
For each parabola, tell in which direction the graph opens.x= 1/2y^2 y= -1/24x^2
1. 2 answers
2. asked by Anonymous
3. 479 views
Given the demand function:p(x)=-0.5x+500 where p is price in RM per unit and x is the quantity demanded and the marginal
1. 0 answers
2. asked by Clara
3. 475 views
Find dy/dx for the following:a) y=3x^2 - 3x b) y=x^3(3+5x)^2 c) y=(x^2+1)^2/2x Please offer your help as I urgently need help
1. 1 answer
2. asked by Echak
3. 462 views
a 2 digit number is 9 times the sum of its digits .if it's ones and tens digits be x and y.write a linear equation in two
1. 1 answer
2. asked by vishal
3. 457 views
If the 6th term of an arithmetic sequence is 48, and the sum of the first 6 terms is 300, what is the first term and the
1. 1 answer
2. asked by Janic
3. 451 views
if g(x)= 5x^6-3/x^2, find the 3rd and 5th derivative of the function. Pls help!
1. 1 answer
2. asked by Desmond
3. 446 views
For each parabola, find the vertex and focus.x= (1/400)y^2 y= 1/8(x-3)^2-1
1. 1 answer
2. asked by Anonymous
3. 438 views
what is the velue of tan 37.5
1. 1 answer
2. asked by shubham
3. 425 views
Evaluate the following:a) S (4x^2+3)/x^2 dx b) S 4x(x^2+3) dx Please help and show the working so that I can understand as I hv
1. 1 answer
2. asked by A
3. 405 views
If there are 18 elements in a set how many possible subsets of 6 can I get
1. 1 answer
2. asked by joe
3. 400 views
Given that <1 and <2 are supplementary angles and that m<1=115 degrees , explain how to find the measure of the complement of <2
1. 1 answer
2. asked by Adier
3. 382 views
6x^3-3x^2+x-40 Divided by x-2
1. 1 answer
2. asked by John
3. 379 views
Draw a number line counting by 10s for 240
1. 1 answer
2. asked by Anonymous
3. 364 views
explain why carrots look orange
1. 1 answer
2. asked by sana
3. 363 views
x^4-9x^3-7x^2-8x+2 Divide by x^2+x+1Thanks
1. 1 answer
2. asked by John
3. 361 views
An acceptable unit for power would beA. kg-m/s B. kg-m-m/s/s/s C. N/s D. Kg-m-m/s/s E. J-s
1. 1 answer
2. asked by Jacob
3. 345 views
find the equation of the tangent to the curve y=4x^2+5 at the point (2,21).
1. 1 answer
2. asked by AA4
3. 338 views

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