Questions Asked on
August 30, 2015

Science  physics
a jet airplane lands with a speed of 122 m/s and can accelerate uniformly at a max rate of  6.2m/s2 as it comes to a rest. can this airplane land in 1.0 km runway
asked by Tina 
Computer science
need help how do this program. Use the topdown modular approach and pseudocode to design a suitable program to solve it. Alberta Einstein teaches a business class at Podunk University. To evaluate the students in this class, she has given three tests. It
asked by Poohboi 
GEOMATERY
AN OPEN WATER TANK WITH LENGTH 20CM AND WIDTH 15CM HOLD 4.8 LITER OF WATER .CALCULATE THE HEIGHT OF WATER LEVEL IN THE TANK AND THE TOTAL SURFACE AREA OF THE CUBOID IN CONTACT WITH THE WATER
asked by ZIM 
math calculus
Find the halflife (in hours) of a radioactive substance that is reduced by 30 percent in 40 hours.
asked by Urgent help 
physics
What state of the art computer technology is used to train pilots when wanting to copy the experience of flying an aircraft?
asked by Jessica 
math calculus
In the year 2005, a picture supposedly painted by a famous artist some time after 1815 but before 1865 contains 95 percent of its carbon14 (halflife 5730 years). Approximately how old is the painting? In years
asked by Urgent help 
AP Physics
A bridge 30 m long crosses a chasm. If the bridge is inclined at angle of 20 degrees to the horizontal, what is the difference in height of the two ends of the bridge?
asked by H 
Chemistry
7) 14 carat gold has a purity of 58.3%. How many moles of gold are in 163 grams of 14 carat gold? Answer in units of moles. 8) A 15.9 g sample of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to
asked by Yasmin 
English Grammar
Help me identify the subject and predicate in the sentence, 'After I finish my homework I will listen to the radio.
asked by Seema 
Algbrea
sapphire island is open 7 days a week the park has 8 ticket booth and each booth has a ticket seller from 10:00 AM to 5:00 PM on average ticket sellers work 30 hours per week write an equation that can be used to find t the minimum number of ticket sellers
asked by Sarah 
Science
The type of graph used to show how a part of something relates to the whole is which of the following? A)circle graph B)bar graph C)line graph D)direct proportion My Choice is A
asked by Trish 
math
the product of 9 and jose's height is 117
asked by shelly 
Science
What elements have the highest ionization energy and why?
asked by Jordan 
algebra
At a point on the ground 30 feet from the base of a tower, the distance to the top of the tower is 2 feet more than twice the height of the tower. Find the height of the tower.
asked by Mickey 
math
translation of the quotient of 100 and w
asked by ethan 
Culler middle school
A football team loses 4 yards on each of three plays.what is the change in yardage after those three plays?
asked by Changkuoth tot 
science
A solution is prepared by dissolving 0.490 g of an unknown compound in 50.00 mL of water. The freezing point of the solution is –0.201°C. Assuming the compound is a nonelectrolyte, what is the molecular mass of the compound? Use 1.00 g/mL as the
asked by vinny 
history
how did the Europeans perceive themselves in the world during the1450s through the 1700s
asked by Sarah 
Algebra
For all real numbers a and b, 2a • b = a2 + b2 Is this true or false False a=1, b=2=>4=5 false
asked by Trish 
math
translation for y less than 18 times 6
asked by ethan 
Maths
A house plan shows a scale of 1:25. If the rectangular lounge room of the house is to measure 4 metres by 6 metres, what will the area of the lounge room be on the plan?
asked by james 
isikhalisezwe high
what are the environmental issues that can cause illhealth in our community
asked by sinelile 
Ochem
Which of the following is NOT a proper name for an organic compound (because it doesn't identify the longest possible carbon chain)? 2methylpentane 3methylpentane 2ethylhexane 2,3dimethyl butane
asked by Bri 
Science
Why is the use of the inquiry process a practical way to approach science?
asked by Savannah 
Math
Kevin is riding a bike with a 1.5 feet diameter. If the tire makes 100 rotations, how far has Sherry traveled? don't tell me the answer show me how you can find the answer?
asked by Taylor 
chemistry
if 1.37 moles of Pb(NO3)2 is mixed with 2.56 moles of KI, how many moles of PbI2 are produced?
asked by Dave 
additional maths
The area, A cm3 , of a circle increases at a constant rate of 2 cm2 ´ s 1 . If the initial area of A is 1 cm2 , show that the radius of the circle at time t is given by r=sqrt( 2t+1/ pi) sqrt on both denominator and numerator
asked by eduardo 
math
how to do 48= 2q and 13 n/10
asked by billy 
Life orientation
Four environmental issues that cause illhealth
asked by Nontando 
english
Revise the following paragraph, improving it without changing its overall meaning. Pay particular attention to the sentence structure and parts of speech. Imagine a time when there was only one little store. To shop in for a whole town. The only selection
asked by angel 
algebra
complete the table to answer 14. i don't put a table here because i can't and it's time consuming, so i made up word problems for the table. 1. for the abc company, you own 5 shares and lost $2 on monday, gained $5 on tuesday, and lost $1 on wednesday.
asked by anon 
English
Hey guys! I need to say at which position "finally" stands. and I have no idea... Here the sentence: Age had finally wearied them. At the other sentences it was after the subject or before the predicate. something like that. And here I'm lost... Can you
asked by MARIE 
Math
2=log2(4)
asked by Lauryn 
math
Find x 1) x^2*23y^2 = 1.78x10^32*z 2) 1.3*10^4 x=4.7/x 6.3*10^3 Please help
asked by Dave 
Math
The sum of age of asha and musa is 50 years.If ten years ago the age of musa was twice of asha find their present age
asked by Emaculate 
Math
The costbenefit equation T=0.623194 In (1p) describes the approximate tax T, in dollars per ton, that would result in a p% (in decimal form) reduction in carbon dioxide emissions. What tax will reduce emissions 70%?
asked by Lauryn 
English
Have a great weekend. See you on Monday.  You, too! See you later. ========================== What other expressions can we use instead of 'You, too!"? Is "You,too!" used instead of "Have a great weekend"?
asked by rfvv 
Chemistry
If the Hatom electron in the n=1 state absorbs energy equivalent to 2.178x10^18 J, what energy state will it occupy?
asked by Anonymous 
math
Question1: find the least perfect squared number that is divisible by 12, 16,20 and 24. Question2: a gardener with 5770 plants to arrange them such that the number of rows of plants equals the number of plants in each row. When he does so,he discovers that
asked by noor 
English Grammar
Can you help me identify the subject verb indirect object direct object in the sentence, The garbage truck arrives very early in the morning.
asked by Seema 
resolve the partail fraction and then integrate
resolve the partail fraction and then integrate.3x^234x+97/(x5)^3
asked by edward 
Math
What is the square root of 23 subtracted from square root of 37 divided by square root of 23 added to square root of 37??
asked by Ruby 
l.o
discuss 5 factors that cause the environmental hazard
asked by simphiwe 
mpole high school
Businesses processes community must engage whenever there is an issue before and during the protest
asked by khomotso Diale 
Qoqisizwe high school
Life orintation identify four environment issues that cause illhealth in your community
asked by Ntethelelo 
Math
On Saturady, Emily made 10 times as much as on Monday. How much money did Emily Collect on Monday?
asked by Anonymous 
intro to digital tech
. Come up with an Invention that may impact/change the world 50 years from today. Get creative and think outside the box. Do your research to think of an idea that would really help change/impact the world positively. 2. Write about the following in
asked by Anonymous 
English Grammar
After I finish my homework I will listen to the radio. Is this sentence a complex sentence?
asked by Seema 
math , physics, chemistry
sec^4x=11tan^2x+5 than what is the value of tanx
asked by vikas 
English
Which of the sentences below uses the word turned as a linking verb? A)The milk turned sour after sitting out on the counter overnight. B)She turned the doorknob but the door was locked. C)Have you turned in your writing assignment yet? My choice is A
asked by Trish 
math
what is 57 centimeters and 6 millimeters plus 34 centimeters and 9 millimters
asked by phoebe 
MATH ALGEBRA
The Forever Green Nursery owns 7000 white pine trees. Each year the nursery plans to sell 12% of the trees and to then plant 600 new ones. a. Find the # of trees owned by the nursery after 10 year b. Find the # of trees owned by nursery after many years
asked by DA WOOK 
human resouces
above all, an appropriate organizational structure help to A manage competitors. B prevent behavioral issues among employees c eliminate unethical scandals. D. foster good performance
asked by tamala 
Math
A= ((r+z)/3)m solve for r
asked by Bella 
Calculus
Differentiate. f(x)=(cos x)/x I got to here: (x sin x  cos x)/x^2
asked by Anonymous 
Calculus
Find the equation of the tangent line to f(x)=sec x  2 cos x at (pi/3, 1).
asked by Anonymous 
life orientation
Assess the extent to which bad road use has a direct impact on the physical,emotional,social and economic aspects to the family,the community and the country
asked by sedzani 
english
All that had so long engaged my attention suddenly grew despicable. Which of the following assertions is supported by this text? The forces of nature are not predictable enough for the narrator. The forces of nature are responsible for the shift in focus
asked by Sammy 
english
If, . . . my father had taken the pains to explain to me that the principles of Agrippa had been entirely exploded and that . . . the powers of [Agrippa] were chimerical, . . . I should certainly have thrown Agrippa aside. . . A chimera is a deception or
asked by Sammy 
english
How does the episode with Victor's father and the episode with the lightning strike as described in this excerpt function similarly? They both involve the reading of books about science. They both involve interactions with parents or guardians. They both
asked by Sammy 
Physics
A startled armadillo leaps upward, rising 0.644 m in 0.170 s. a. What is its initial speed? b. What is its speed at this height? c. How much higher does it go? For a. 0 is not the answer and neither is 3.79 m/s (product of .644m*.170s)
asked by Christy 
english
Read Article IX of the United States Bill of Rights: The enumeration in the Constitution, of certain rights, shall not be construed to deny or disparage others retained by the people. What is the main effect of setting the phrase of certain rights off with
asked by Sammy 
english
And thus for a time I was occupied by exploded systems, mingling, like an unadept, a thousand contradictory theories and floundering desperately in a very slough of multifarious knowledge, guided by an ardent imagination and childish reasoning, till an
asked by Sammy 
english
And thus for a time I was occupied by exploded systems, mingling, like an unadept, a thousand contradictory theories and floundering desperately in a very slough of multifarious knowledge, guided by an ardent imagination and childish reasoning, till an
asked by Sammy 
world history
why might a person say aristotle is the most modern of the ancient greek philosophers?
asked by Anonymous 
math
Given an exponential graph that are concave up and the points (1,4) and (1, 16), give a possible formula of the function. I plugged the variables into the f(x)=b times a^x and got: 4= b times a^1 and 16=b times a^1 I am not sure where to go from here.
asked by Natalie 
math
For example, when I try to solve an equation like 1.096 = a^1000, what should I do? I'm trying to find a formula for this set of data and that's how I got the above equation: d=??? Elevation (ft) Sea level labeled h 1000 2000 3000 4000 Takeoff roll (ft)
asked by Natalie 
History
Why does New Mexico have a varied climate? A)It stretches along a long coastline. B)Part of its border lies along Mexico. C)Its physical features divide the land into different regions. D)Its land is mostly flat so weather moves quickly. My Choice C
asked by Trish 
geometry
So On the first day of school I went to geometry and we did a review. My teacher had us work out this problem and I've never seen it before. Other kids were doing the problem and I was just there confused. I was embarrassed and didn't want to ask for help.
asked by anonymous 
History
Which New Mexican geographic condition most contributed to the development of early Native American farming techniques? A)presence of wide, flat plains B)water scarcity C)availability of mining resources D)variations in temperature My Choice D
asked by Trish 
History
The Spanish mostly viewed Native Americans in New Mexico as A)inferior people good mostly for labor. B)sophisticated allies with valuable technology. C)superiors from whom to learn political and economic systems. D)fierce but worthy competitors for riches
asked by Trish 
History
Which of the following New Mexican groups has a slightly aboveaverage population by percentage as compared to the entire United States? A)African Americans B)Asians C)nativeborn citizens D)retirees Why do the Pueblo peoples most likely view Chaco Canyon,
asked by Trish 
Calculus
Differentiate e^cos (x^2+1). My answer: 2xe^cos(x^2 +1) • sin(x^2+1)
asked by Anonymous 
american politics
In the FAAMcDonnell Douglas DC10 case, the author implies or asserts which of the following? A. The FAA immediately fixed the cargo door. B. McDonnell Douglas eventually complied with the FAA’s order to strengthen cargo doors and cabin floors. C. The
asked by Bev 
math
An indoor auditorium has a small side section that models an arithmetic sequence where the third row has 5 seats and the tenth row has 26 seats. If that section has 14 rows, how many seats would be in the last row?
asked by unknown 
Calculus
Differentiate y=[(8xx^6)/(x^3)]^(4/5) My answer: [4x^3(16+3x^5)]/5 • fifth root of [(8xx^6)/(x^3)] ^9
asked by Anonymous 
Algebra II
An indoor auditorium has a small side section that models an arithmetic sequence where the third row has 5 seats and the tenth row has 26 seats. If that section has 14 rows, how many seats would be in the last row?
asked by unknown 
Algebra II
find three geometric means between 2 and 128. Help im very confused about this
asked by unknown 
math
i am a digit greater than 20000, my first 2 & last digits are the same,the middle digits are the same, 1 digit is twice the other digit,i am an odd number
asked by gigi 
Math
A moving company charges $800 plus $16 per hour. Another company charges $720 plus $21 per hour. How long is a job that costs the same amount for both companies?
asked by Beth 
OChem
A disaccharide has how many monomers? I think it is two?
asked by Bri 
math
i am a digit greater than 50000 but less than 90000,my digits add up to 17, my first 2 digits are multiple of 10 and the last 3 are multiple of 100
asked by gigi 
physics
A man 1.92 m tall, walking near a street light at night, casts a 3.88 m long shadow directly in front of him. The lightpost is 5.82 m behind the man. How tall is the lightpost?
asked by chantal 
ingqayizivele high
Am doing math lit ,geography,history n life sciences I dnt knw which career to choice can u plz help me .cal m 4 help on 0625113520 plz
asked by lebo 
american politics
Which of the following statements is incorrect? A. Democracies tolerate different opinions and interests. B. Democracy is a favored “label” for many governments. C. Citizen participation in voting must exceed 80 percent of eligible voters in order for
asked by Bev 
physics
Water at 29.0 °C is sprayed onto 0.188 kg of molten gold at 1063 °C (its melting point). The water boils away, forming steam at 100.0 °C and leaving solid gold at 1063 °C. What is the minimum mass of water that must be used?
asked by anonymous 
Ochem
Most fatty acids with double bonds are found in animals or plants? Are these fatty acids solid or liquid at room temperature?
asked by Bri 
Intro Chem
Determine the freezing point of an aqueous solution containing 10.50 g of magnesium bromide in 200.0 g of water.?
asked by Will 
Biology
How does the "Patching and Capping" experiment verify the fluid concept of the Fluid Mosaic model?
asked by Bri 
Chemistry
The mineral cassiterite is a compound of tin and oxygen. Chemical analysis of cassiterite shows that the mass percentages of tin, Sn, and oxygen, O, are 78.8% and 21.2%, respectively. Determine the formula of this compound. I found the molar mass and
asked by Jordan 
Chemistry
How many atoms are present in 0.3333 mol of CO2? I know I need to use the conversion factor of 6.021x10^23 but do I just multiply that times .3333? =2.007?
asked by Jordan 
Math
My math question is the square root of 3,5,7 and seven. The square root of 3 falls between 1 & 2. The square root of 5 falls between 2 & 3. The square root of 7 falls between 2 & 3. AM I CORRECT. THANKS
asked by Tamara 
Physics
two cars A & B at rest at same point initially if A starts with uniform velocity of 40m/s and B starts in the same direction with constant acceleration of 4m/s^2, then B will catch A after how much time
asked by Deeksha Dogra 
math
Find x 1) 6log(down)10 x=1.6 2) e^4x=1.943 3) 1.3x10^4 x=4.7/x 6.3x10^3 4) 6lnx=1.6 5) x^2¡Ñ23y^2 = 1.78x10^32¡Ñz please help I really can't solve this problem.
asked by Kevin 
physics
7 pulles of 6 hanged with weighs 23kg,15kg,20kg,6kg,34kg,5kg then find the weight hanged to 7th pulley
asked by umapathi 
math
Let f(t) = Q0at = Q0(1 + r)t. f(7) = 75.94 and f(9) = 91.89 (a) Find the base, a. (Round your answer to two decimal place.) a = I honestly have no idea how to approach these problems. I wrote out the different equations: 75.94 = Q0a^7 and 91.89 = Q0a^9 but
asked by Stella 
Math
Pencils come in packages of 10 each. Packages are packed 20 to a box, and boxes are packed 500 to a carton. How many pencils are in a carton?
asked by Nicole 
biology
What types of amino acids and domains are found in the "transmembrane" region of these proteins?
asked by Bri 
Math
I have a problem find the number in a open number line , my multiplication is 28x6 =168 how can I do this in a open number line ?
asked by AnnaChavez 
physics
1.will hall voltage be same for conductor and semiconductor in hall effect experiment? 2.can hall effect experiment be used for determining earth's magnetic field? 3.what is the importance of hall experiment? 4. can we use intrinsic semiconductor for hall
asked by elina 
biology
What type of extraction is needed to isolate integral proteins? (Hint: a type of amphipathic molecule is in this solution)
asked by Belle 
equation
9^x(2)+3^3x=81.... here is wat i did bt i go confuse (3^x)(4)+(3^x)3=81 let 3^x=b b/4+b^3=81 multiply tru 4 b+b^3=81
asked by edward 
Plus
569 times 12
asked by Anonymous 
Math
Example input are x=24,22,0,2,4 and the rule is y=1/2x2 what are output?
asked by Sandile 
equation
9^x(2)+3^3(x)=81 i need help
asked by edward 
physics
A system does 137 J of work on its environment and gains 95.3 J of heat in the process. Find the change in the internal energy of (a) the system and (b) the environment
asked by anonymous 
math
the product of a number and 35
asked by ethan 
Math
Input are 24,22,0,2,4 rule is x=1/2x2 what is output?
asked by Semtic 
math
translation of 12 less than 15 time x
asked by ethan