Questions Asked on
September 1, 2015

math
find the arc length of the curve y = lnx for x = 1 to x = square root of 8
asked by kelvin 
English
1. I have a bit of a fever and a cough. 2. I have a bit of fever and cough. ============= Which one is grammatical?
asked by rfvv 
English
1. He is an old college buddy of mine. 2. He is an old university buddy of mine. ================ Are both OK? Which one is commonly used? Does 'buddy' mean 'friend'? Can we substitute 'friend' for 'buddy'?
asked by rfvv 
Maths
In a survey of 200 students of a school, it was found that 60% study mathematics, 45% study physics, 35% study chemistry, 20% study mathematics and physics, 15% study physics and chemistry, 25% study chemistry and mathematics and 10% none of these
asked by Sabah 
st stevens college baja
A light inextensible string passes over a smooth light pulley and masses of 3 and 7 kg are attached to its ends.the masses are released from rest when 7kg mass is 1m above a horizontal table. 1) show that 7kg mass hits the table about 5/9 seconds if
asked by matovu Emma 
math
5,10,20,40,__,___,___,___
asked by Anonymous 
TC
If Tan (A+B)=1/3 and Tan(AB)=2/5,then prove that A.Tan2A=11/13 B.Tan2B=1/17
asked by Rabinprakash Dahal 
3rd grade math
What is the value of the underlined digit? $2.29 (9 is the underlned digit). My teacher said it's not the ones place. How do i figure it out?
asked by Jared 
English
A:I found it on the counter. (Library) B:Thank you. I'll come there right now.  Do we have to use "Come there"? How about "Go there"? ex) I'll go there right now.
asked by rfvv 
math
the product of two numbers is 161. twice the smaller is 9 less than the larger
asked by lovely 
choudhary public school maths
Convert the following to grams 4.673kg
asked by ayaz qureshi 
TC
Prove:sin ^2(7π/8)+sin^2(5π/8)+sin^2(3π/8)+sin^2(π/8)=0
asked by Rabinprakash Dahal 
fisics
a storage tank containing H2O is connected to an output of 6 ft in diameter. a circular plug is used to seal the tank. dtermine the address and location of the force on the cap scale h2o
asked by carlos 
Maths literacy.Geography.Business Studies.Life Orientation and Languages
Can i did agriculture and Environmental science on those subjects?
asked by Anathi 
Computer
What types of issues can you likely resolve by knowing how to access and use the Control Panel? Choose all that apply. network issues*** screen resolution and volume issues**** frozen application issues virus issues What can help prevent issues related to
asked by Aaliyah 
english
which are stateofbeing verbs in following sentences: "While he was biking this morning, Zach had seen a small accident. A huge SUV ran a red light, and the oncoming sedan was unable to stop. Driving on Portland’s narrow streets was dangerous and
asked by chris 
devi
cheena spent 3/4 of her pocket money. she spend 1/2 of it on a book 1/6 on movie and rest on dress what amount she spend on dress
asked by reena 
educational technology
what is a side by side feature
asked by ttng 
L.A
When ''The Finish of Patsy Barnes'' opens, why is Patsy's mother Eliza upset? A. Patsy Plays Practical Jokes B. Patsy refuses to help around the house C. Patsy skips school to go to the stables D. Patsy studies without taking breaks Honestly I'm not sure
asked by Amber 
Physical science
N2+3H2>2NH3 that occurs at STP What volume of NH3 gas will form if 3g N2 react with enough H2?
asked by Thandi faith mapili 
Art
When an idea is presented in a way that is original, it is considered to be? impressive aesthetically pleasing expressive creative**** Animation has changed from each scene cell being drawn by hand to entire worlds being created on a computer. This is a
asked by Aaliyah 
Social Sudies please help
In South Africa, the President is elected by members of the National Assembly who are elected by the citizens. This means that South Africa has WHICH type of government? A) unitary system Eliminate B) direct democracy C) confederal system D) parliamentary
asked by School 
English
Which word has a meaning most similar to the word pageant? Rebellion Performance Auction preeminent Help plzzzzzzzzzzzzzzzzzzzzz Don't understand!!
asked by Labbyak 
Physical science
Why is it necessary to use four different colours to represent each of the incident rays? Please help because lm not sure about my answer
asked by Thandi faith mapili 
Maths
If Tan (A+B)=1/3 and Tan(AB)=2/5,then prove that A.Tan2A=11/13 B.Tan2B=1/17
asked by Rabinprakash Dahal 
P.E
you feel anger not only mentally and emotionally, but also physically. True false.**** I think false
asked by gavin 
P.E
Which of the following defense mechanisms is Marissa using when she says "so what if I broke her stupid toy? She is always bothering me when I want to play video games and no one should have to put up with that all the time." A. Compensation B. denial C.
asked by gavin 
algebra 2
simplify:(4xy^2)^3
asked by travis 
LAW
The __________ Amendment right to counsel applies during plea bargaining because charges have already been filed before bargaining commences. a. 2nd b. 6th c. 8th d. 14th is it D
asked by Amy 
Applied Maths 1
u=1÷sin(x suqare + y square) raised to 1÷5
asked by Nishit 
algebra
what is the reciprocal of 5/x1 + 3/x ?
asked by Krystal 
Law
The overwhelming majority (__________ percent by some estimates) of criminal convictions in the United States result from guilty pleas rather than trials. A. 96 B. 90 C. 84 D. 75 is it A 2. The most straightforward and common offer from a prosecutor in
asked by Amy 
Business
what are the essential lessons to be gleaned from these writings? what does President Obama's speech mean to you? what about Bill Maxwell article? I'm suppose to write a lyceum for my first year seminar class using this topic based off the president speech
asked by Sherianna 
Algebra 1
1.Which of the following situations best describes a student engaged in active learning. A. A student uses only one of the resources provided by the teacher*** B. A student skips parts of lessons that he or she finds difficult C. A student records
asked by Abby 
Maths
In the diagram ab is a straight road and c indicate the bottom of a vertical clif in the same vertical plane as ab the angle of elevation to the top of the from a is 24 degres and from b 300m closer to the clif the angle ofg elevation is 38
asked by Sam 
math
The sum of a number divided by 5 and 7 is 2. i need help writing this as an equation thank you
asked by lauren 
Algebra
what is the product of (6.8)^2 My Answer 46.24
asked by Trish 
Algebra
Simplify the expression Square Root of 100/49. 10/7
asked by Trish 
Social Sudies please help
All of these are found in a command economy EXCEPT A)minimum wage.  Eliminate B) environmental controls. C) ownership of corporate stock. D) government regulation of the economy.
asked by School 
american history
What was factory work like in the late 1800's?
asked by Alex 
kgalatlou
geography one strength of rostow's model
asked by Mahlako 
grade11 geography
one strength of Rostow's model
asked by Mahlako 
Math
A recipe for 1 1/5 dozen pancakes calls for 2 1/3 cups of milk. How many cups are needed to make 1 1/10 dozen pancakes? Answer as a mixed number.
asked by Evette 
u.s. history
11. Explain two ways in which sectionalism caused conflict or tension in the United States during the early 1800s. Then explain how sectionalism affects economics and politics in the United States today. (10 points)
asked by cj 
Algebra
Which statement about the product is true? 5.5 Square Root 5 A)The product is rational. B)The product is irrational. C)The product is neither rational nor irrational. D)There is not enough information provided to answer the question. My Choice is B.
asked by Trish 
Science
Using an example, explain how being able to understand scientific principles and think scientifically can help you solve problems and answer questions in your everyday life.
asked by Anonymous 
Math
A recipe for 1 1/5 dozen pancakes calls for 2 1/3 cups of milk. How many cups are needed to make 1 1/10 dozen pancakes? Answer as a mixed number
asked by Evette 
Chem
The smallest identifiable unit of a compound is a(n) which is made up of which are chemically combined
asked by Joe 
Science
Using an example, explain how being able to understand scientific principles and think scientifically can help you solve problems and answer questions in your everyday life.
asked by Anonymous 
math
What is solution 5q =75? I think it is 15
asked by Lost 
PreCalculus
focus at (2,0) directrix the line x=2
asked by anonymous 
math
One side of a triangle is 4 inchesinches longer than the side that is the base of the triangle. The third side is 6 inchesinches longer than the base. If the perimeter is 37 inchesinches, find the length of each side.
asked by aryan 
math
explain how to solve 82 +9(12 divided 3.2) 7 I thing 8x2=16 + 9=25 12 divided 3 x 2 7 =1 25 + 1 =26
asked by Lost 
Chemistry
Is photosynthesis a reversible reaction?
asked by Stoof 
math
24 increased by twice a number z
asked by Nat 
Math
A bag contains 5 red, 7 yellow, 8 green markers. What is the p(two green markers) will be chosen if the markers are not replaced as they are chosen?
asked by Taylor 
math
write the number in two other forms 6,007,200 and 32,005,008
asked by colin 
math
the following are the probabilities of selecting iteams from a bag (candy: grape ?, cherry 3/8, apple 1/4). What is the probability of selecting grape?
asked by sarah 
life science
Determine whether expired air contains carbon dioxide
asked by Simphiwe 
Chemistry
The meter has been defined as 1,650,763.73 wavelengths of the orangered line of the emission spectrum of ^86Kr. Calculate the frequency of this radiation. In what proportion of the electromagnetic spectrum does the radiation fall?
asked by Anonymous 
algebra
How do you calculate the rate of 40 cars parked in 6 rows in a parking lot
asked by Anonymous 
math
covert 8 and 2/11 to hours and minutes
asked by Sapphire 
math
which of the following sets of line segments could make a triangle? i don't get it could you explain please a. 3,5,4 b. 1,3,2 c. 12,20,7 d.14,11,15
asked by Nina 
Algebra
Find the xintercept and the yintercept for the equation y = ¾x + 3
asked by Kali 
Decimals
How would you say 1.202 in word form
asked by Brooke 
Algebra
Solve the system of equations: x + 2y = 3 4x + 5y = 6
asked by Kali 
Math
A bag contains 5 red, 7 yellow, 8 green, and 3 blue markers. What is the p(two green markers) will be chosen if the markers are not replaced as they are chosen?
asked by Thomas 
math
Which rate of speed is higher. A car completing a 500mi race in 3 1/3 hours or a car completing a 300hours in about 2 1/2 hours
asked by andrea 
Physic
Find the current through each resistor in 2ohms and 3ohms in parrel and 4 ohms
asked by Ajuma 
math
write this number in word form 310,763,136 write this number in expanded form 20,484,163
asked by colin 
Physic
Find the current flowing through the each resistor in parel 2 ohms and 3 ohm in series 4ohm a and 20 volt
asked by Ajuma 
Quick English check
Can someone check that I put these words in the right spot of where they need to go? Please correct me if I'm wrong! :) In the 1950s in Europe, to BROACH such a controversial subject as the Algerian separatist movement in a public forum was assured to
asked by Grace 
Math
Would two coterminal angles for 13pi/6 be 25pi/6 and 11pi/6?
asked by Anonymous 
Chemistry
Is the temperature of a luminous flame greater than that of a non luminous flame? Please explain.
asked by Diana 
math
wat is a quantity
asked by malori 
Maths
Hi this is math How many pounds of mixed nuts selling for 4.75 dollars per pound (lb, not money) should be mixed with 10 pounds of dried fruit selling for 5.50 dollars per pound to obtain a trail mix that sells for 4.95 per pound? I find these really hard
asked by Chikako 
Travis elementary school
The hundreds digit of my number is less than the tens digit.the one's digit is greater than the tens digit. What could my number be?
asked by jaylee Gonsalez 
Chemistry
Explain why the appearance of the wood flame is yellow whereas the gas flame most often appears blue.
asked by Diana 
Math
Suppose that the cost of a truck rental is related to the number of hours the truck is rented by a linear equation. Also, suppose the cost of a 2hour rental is $55 and the cost of a 3hour rental is $65. Find the cost of a 6hour rental.: *
asked by Hernan 
Choctaw Middle School
Admission to a circus is $16 for adults and $10 for children write an expression to find the total cost of 3 adult tickets and four children's tickets then find the total cost
asked by Kylie 
MAT 221
If 6 pens cost d dollars, how much, in dollars does each cost.
asked by Anonymous 
Chemistry
determine the molarity of a solution of silver nitrate prepared by dissolving 5g of silver nitrate in 25.0mL of water
asked by Morgan 
Chem
The mass of a beaker is 5.333g. After 5.00 mL of a concentrated hydrochloric acid solution is pipetted into the beaker, the combined mass of the beaker and the hydrochloric acid sample is 11.229 g. From the data, what is the measured density of the
asked by Amy 
Math
A ribbon is 3 2/3 long. Mae needs to cut the ribbon into pieces that are 2/3 yard long. How much ribbon will be left after she cuts these pieces?
asked by A 
alGEBRA 1
how many minutes are there in 10 days? show work i know the answer but i don't get how to show work?
asked by algebra 1 
simultaneous equation very dificult need help itz urgent
AC=B/2 AB=C/6 B+C=32 find A,B,C
asked by edward 
algebra
your test scores in one class are 80 and 88. what possible scores can you earn on your next test to have a test average between 84 and 89, inclusive?
asked by Stephanie 
Math
Alyssa said that6/8 and 9/12 are not equivalent because there is no whole number you can multiply both parts of 6/8 by to get 9/12. Is she correct? Explain.
asked by Amari 
Math
Jill says that 12.6......... Is less than 12.63. Explain her error?
asked by Tisy 
spanish
create conversation in spanish that is basic that has different scenes like teacher asking question like hi how are you class nice to emet you and hten open your book to page and then maybe stand up when the teacher comes and then like talk about other
asked by spanish 
Chem
This question is also confusing me… The density of diamond is 3.51 g/cm^3 and the density of platinum is 21.43g/cm^3. If equal masses of diamond and platinum are transferred to equal volumes of water in separate graduated cylinders, which graduated
asked by Amy 
Algebra
I've been try to solve this equation and I can't seem to get far. Do you add 3 to both sides? If not please explain to me how you solve this. Thanks :) 1/2=2/5c3
asked by Erika 
Math
If Ms. Herbert gives her class a English quiz every 6 days any math quiz every 10 days when is the first day there will be a math and English quiz on the same day
asked by Alex 
Algebra
Write 3 different algebraic expressions that uses x,y, and z and simplifies to the given value when x=3, y=2, and z=1. The expression should involve only multiplication or division. Values are: 1, 16, and 12.
asked by Matt 
math
6z=12 I think it is z=12
asked by lost 
all the above
Dancers from the movie Rize continue to spread their inspirational message of hope to Los Angeles’ South Central youth. How should the sentence above be rewritten to correct the subjectverb agreement error? The sentence is correct as written. Dancers
asked by Lisa 
English Language & Composition
Can someone help me edit & revise this ex. paragraph. The directions were to revise & edit & identify strengths & weaknesses about this person and what this person included in their body paragraph. I could find very few mistakes but the major is including
asked by Jake 
math
How do you find the actual distances of these problems with a scale of 3/4" = 500 mi. 1 3/4" 14" 13" 3" 6"
asked by lucia 
precalc
write an equation to match each description. 1) a snowball is 8 cm across and melting so that its diameter is decreasing at a steady rate of 0.2 cm/min. write an equation for d(t), the length of the snowball's diameter at time t. answer: d(t)=80.2t 2)
asked by chloe 
algebra
18x9
asked by Me 
biology
which of the following undergoes change during a chemical reaction
asked by ciara 
Math
A piece of wire was cut in the ratio 4:7 . The longer piece was 42 cm . Find the length of the shorter piece. Use RDW to solve . Use RDW strategy to solve .
asked by Chaely 
Math
please help I need to write a proportion! A backpacker in the sierras hikes 5.5 miles in 2 hrs. If the hiking rate remains the same how far will the backpacker hike in 7 hrs? 60 miles = 60 minutes 1 hr 120 miles = 2hr 180 =3 hr
asked by Linda h 
Physics
Glycerin is poured into an open Ushaped tube until the height in both sides is 18 cm . Ethyl alcohol is then poured into one arm until the height of the alcohol column is 18 cm . The two liquids do not mix. What is the difference in height between the top
asked by Mike 
math
For positive integers x and y, x+y=21. What is the smallest possible value of xy? a.10 b.20 c.38 d.54 e.110
asked by anonymous 
U.S. History
How did geography influence the way the English colonies developed? A: Geography was a very influential factor in the development of English colonies. Economies in each colonial region depended solely on their geographic surroundings. For example, access
asked by Victoria 
Math
A rock is thrown upward with a velocity of 12 meters per sec from the top of a 25 meter high cliff and it misses on it's way back down. When will the rock be 3 meters from water
asked by Kelly 
math
A worker submits the following data on a timesheet: Week 1  Total hours: 42 (including 4 hours sick leave, 6 hours travel time. What percentage of the recorded time did the worker spend traveling?
asked by mika 
world history
By 30,000 Bc neanderthals had been replaced by
asked by ciara 
Math
Solve the inequality and express the solution in terms of intervals: x2/3x+5 ≤ 4 This is how I did it: x2/3x+5  4(3x+5) ≤ 0 x212x20/3x+5 ≤ 0 11(x+2)/3x+5 ≤ 0 Can you please tell me if the answer is right and if so then how do we express the
asked by Mike 
Alaniz
An airplane is flying at an altitude of 4000 feet and descends at a rate of 200 ft./m determine whether the altitude is proportional to the number of minutes. Explain your reasoning?
asked by Zack 
MATH
My Math work instructions is place the numbers from least to greatest. 7 squared, 2, 8/2 squared = 2, seven squared, and 8/2 squared. 10 squared, pi, 3.5 = pi, 3.16, 3.5. 220 squared, 10, 100 squared, 11.5 = 10, 220 squared, 100 squared, 11.5. 8 squared,
asked by TAMARA 
math
Mel had picked 4 times as many green peppers as red. She picked a total of 20 peppers. How many green peppers did she pick
asked by Mataia 
PreCalculus
1) j(x)=2/3x what is j(x)'s yintercept? answer: (0,0) 2) k(x)=4 what is k(x)'s slope? answer: 0 3) g(x)=2x5 what are the root(s) of g(x)? 4) the slope of line p if p is perpendicular to line f are the answers i provided correct? and please help me on 3
asked by Sam 
Math
1. Solve the equation. 6g = 42 a. g = 7 b. g = 7 c. g = 252 d. g = 252 2. Solve the equation. x/8 = 16 a. x = 128 b. x = 24 c. x = 8 d. x = 2 3. Solve the equation. 12m = 14.4 a. m = 120 b. m = 12 c. m = 1.2 d. m = 0.12 4. Solve the equation. x/3 = 15
asked by Malasia 
U.S. History
1. What groups faced discrimination in colonial times? A: Enslaved Africans, women, Native Americans, and immigrants such as Jews faced discrimination in colonial times. 2. How many colonies were in New England in 1750? A: Thirteen colonies were in New
asked by Victoria 
Math
Need help please!! Stumped A man stands next to the cape hatteras Lighthouse in North Carolina. The lighthouse and the man are perpendicular to the ground. The suns rays strike the lighthouse and the man at the same angle forming two similar triangles. If
asked by Linda h 
math
write the number in two other forms 6,007,200 and 32,005,008
asked by colin 
Uma academy math
Rectangle with length =11cm and width =4cm when both dimensions are trippled
asked by Jasmine 
medical
Choose the combining form which best completes the following group: PONT/O, CRANI/O, FORAMIN/O, _______. A. COCHLE/O B. ENCEPHAL/O C. SALPING/O D. BLEPHAR/O plz help im lost
asked by Dee 
math
Without doing the computation explain why or why not19.7 is a reasonable value for the expression 122.14÷6.2.
asked by Lance 
Chem
The mass of a beaker is 5.333g. After 5.00 mL of a concentrated hydrochloric acid solution is pipetted into the beaker, the combined mass of the beaker and the hydrochloric acid sample is 11.229 g. From the data, what is the measured density of the
asked by Amy 
math
I know you have to group this problem but I'm not sure how to solve this, if someone could step by step I would appreciate it. 6x^3 +14x^227x63
asked by pam 
U.S. History
1. How did climate and food sources help shape Native American lifestyles? 2. How did the types of settlements influence the way each was governed?
asked by Victoria 
math
please factor completely. 8116x^2
asked by nannypam 
Geometry
If a rectangle width is increased by 3, the rectangle becomes a square and the area of the rectangle is increased by 54u^2 what is the area of the original rectangle
asked by Jp 
World history
Paleolithic humans were able to do all of the following except wat
asked by Ciara 
Math
My Math work instructions is place the numbers from least to greatest. 7 squared, 2, 8/2 squared = 2, seven squared, and 8/2 squared. 10 squared, pi, 3.5 = pi, 3.16, 3.5. 220 squared, 10, 100 squared, 11.5 = 10, 220 squared, 100 squared, 11.5. 8 squared,
asked by Tamara 
Mystery number
I have nine digits. The digit in the tens place is the value of any number times zero. The value of one of the digits is 40,000. The value of the hundredthousands place is ten times the digit in the tenthousand place. The digit in the millions place is
asked by Yvette 
life orientation grade 11
social and environmental responsibility (environmental issues that cause ill  health
asked by Anonymous 
AP Algebra
A man's average speed is 4.86 miles per hour. Express this in cm/sec .*dimensional analysis* .. the teacher answer is "217.32 cm/sec" however mine came out to be "217.26" My work: (4.86m/hr)(5280ft/1m)(12in/1ft)(2.54cm/1in)(1hr/3600sec) = 217.26cm/sec Why
asked by Karen 
life orientation grade 11
social and environmental issues that cause ill  health
asked by nokwanda 
algebra
Pizza costs $1.50 per slice. Use a table and an equation to represent the relationship between the number of slices of pizza bought and the total cost.
asked by Ashlyn 
life orientation
evaluate the effectiveneÃŸ and ineffectiveneÃŸ of traffic fines
asked by lolo 
Chemistry
if 75.0 ml of 1.5m sodium hydroxide reacts with 100.0 ml of 2.0m phosphoric acid, to give sodium phosphate and water, how many grams of Na3Po4 may be produced?
asked by Joe 
Physics
Four tanks A, B, C, and D are filled with monatomic ideal gases. For each tank, the mass of an individual atom and the rms speed of the atoms are expressed in terms of m and vmax respectively (see the table). Suppose that m = 3.15 × 1026 kg, and vrms =
asked by Jamie 
chemistry
ClO3^(aq)+3SO3^2 ¡÷ Cl^(aq)+3SO4^2 1) If the SO3^2 ion is disaapearing at rate of 0.458 mol/L*s, how fast is the Cl^ ion appearing? 2) if the after 10 minutes of reaction time, 1.09x10^4 mole of Cl^ ion has been produced, how many moles of SO3^2
asked by Ken 
Algebra
Solve the equation using algebraic method. Jerry ordered 24 flower stems and a watermelon. The watermelon cost $16, and total cost of the order was $52. What was the price of each flower stem?
asked by Sammy