Thursday
December 8, 2016

Posts by ALi

Total # Posts: 771

math
the length of a rectangle is 2 less than 3 times the width. the perimeter is 20 cm. find the length, width, and area of the rectangle. i got stuck after L=3W-2 but i'm not sure what to do after.
December 5, 2016

Physics
A car with its passengers have a total mass of 4200kg .the car is travelling along a horizontal road when it moves ,it experiences a forward driving force of magnitude F newtons and a constant resistance force(opposite to driving force)of 850N a)what is the value of F if the ...
November 19, 2016

Physics
A 40 kg child start from rest and travels 4 m down a slide that is inclined 35 degree to the horizontal. If her speed at the bottom is 2.5 m/s , what was the frictional force along the slide?
November 17, 2016

math
John and Bryan share Rs 1500.If John gets twice as much as Bryan,how much money does Bryan have?
November 15, 2016

Material mechanics
following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in length Load (kN) Elongation(mm) 5 0.005 10 0.015 30 o.048 50 0.084 60 0.102 64.5 0.109 67 0.119 68 0.137 69 0.160 70 0.229 72 0.300 76 0.424 84 0.668 92 0.965 100 1....
November 12, 2016

Material mechanics
A flat plate specimen of a soft metal alloy is to be tested by pulling on round pins inserted through the ends of the plate, as illustrated below (a) Calculate the required diameter of the pins, given that the plate is 8.0 mm thick, the maximum tensile load is 4.0 kN and the ...
November 12, 2016

math
Write each equation in slope-intercept form. Underline the slope and circle the y-intercept in each equation. 4y=–6+4x all i got is that the y int. is -3/2 and that is correct
November 3, 2016

math
Give the equation of a line that is parallel to y=3 through the point (4,4).
November 3, 2016

LANGUAGE ARTS
Dude, dont make your title "ANSWERS PLEAAAAAASSSSSSSSEEEEEEEE" cause no one will help you. just ask nicely with no caps or anything...
October 27, 2016

Algebra
I'm thinking of a number. When I multiply it by 6 and subtract 30, the answer is 78 What is Noah's number?
October 23, 2016

Physics
I=m(vf-vi) 50 N= 1.5 kg (vf-16) 33.33= vf-16 vf= 49.33 m/s
October 20, 2016

Chemistry
thanksssss I see what you said we used the Ag from AgBr to find the [I] by using the Ksp for AgI
October 18, 2016

Chemistry
Solid AgNo3 is added slowly to solution of 0.001M Cl,Br,and I a) at what concentration of Ag will AgI precipitating? at what concentration of Ag will AgCl precipitating? at what concentration of Ag will AgBr precipitating? b) calculate the percent % of I ppt before reaching of...
October 18, 2016

Chemistry
Solid AgNo3 is added slowly to solution of 0.001M Cl,Br,and I a) at what concentration of Ag will AgI precipitating? at what concentration of Ag will AgCl precipitating? at what concentration of Ag will AgBr precipitating? b) calculate the percent % of I ppt before reaching of...
October 18, 2016

Chemistry
M1V1=M2V2 17xV1=1.78X0.15 V1=0.01571 L
October 18, 2016

CHEM 1411
nM1V1=nM2V2 n= the moles from the balance equation HBr Ca(oH)2 2(0.0215)V1=1(0.015)(0.235L) V1= 0.08192L
October 18, 2016

physics
On a roller coaster, a student experiences an apparent weight of 1250 N while accelerating at 2.3 m/s^2 [U]. What is the students mass?
October 18, 2016

Math
Mr. Kole has 30 students in his class he has twice as many girls as boys what is the ratio of boys to the class
October 2, 2016

nts
how to pass nts
October 1, 2016

algebra
ewjhfkshfksjhfkjshdfksjdhfkjshdfkjs
October 1, 2016

Social studies NEED HELP
I'm thinking that the answer is finding wealth as well. Though, I'm getting hints that it's A too.
September 23, 2016

Homework 2
tnx
September 14, 2016

Homework 2
Harmony are agreeable features of classical music. are not supposed to use in here because harmony is singular. right or wrong??
September 14, 2016

Homework
thanks
September 14, 2016

Homework
He had already finished studying at an university when he was called to join the army. had/already/an/was called/when/ I think already is wrong here?? tnxxx
September 14, 2016

elm and sanat
tnx
September 11, 2016

elm and sanat
“You can’t tell a book by it’s cover” is an old adage. I guess the cover is wrong. am I right?
September 11, 2016

reading
The National Aeronautics and Space Administration (NASA) has just released some startling information. The Earth's temperature reached its highest point in 136 years of record-keeping during July. "July 2016 was absolutely the hottest month since the instrumental ...
September 4, 2016

Math
An electronic firm finds that 3/64 of the resistors it makes are defective. What percentage is this?
August 26, 2016

chemistry
which of following show cistrans isomerism?
August 22, 2016

chemistry
how many moles of fe are present in 30g of rust?
August 21, 2016

Finance math
A bank pays 10% compounded annually on its three-year fixed deposit account. At the end of the three years, a 3% bonus on the final amount will be paid. find the effective interest rate that will be earned on this scheme
August 5, 2016

math
Mr. Ali purchases a government bond for five years which gives simple interest 12% p.a. At the time of maturity he gets back 160000 AED. What amount he has invested?
July 29, 2016

Stats
Suppose a Normal model describes the fuel efficiency of cars currently registered in your state. The mean is 27 mpg, with a standard deviation of 4 mpg. Describe the mileage of the most efficient 3% of all cars. a. greater than 24.9 mpg b. greater than 19.5 mpg c. greater than...
July 29, 2016

physics
An aircraft flying at a horizontally height of 8000m above the ground at 200 metre per second drops a bomb on it's target on the ground. Find the angle between the vertical and the line joining the aircraft and the target immediately the bomb is released.
July 12, 2016

physics
An aircraft flying at a horizontally height of 8000m above the ground at 200 metre per second drops a bomb on it's target on the ground. Find the angle between the vertical and the line joining the aircraft and the target immediately the bomb is released.
July 12, 2016

Math
8a+2a
July 8, 2016

Science
When 25.0 ml of a solution containing both Fe2+and Fe3 +ions is titrated with 23.0 ml of 0.0200M KMnO4(in dilute sulphuric acid), all the Fe2+ are oxidised to Fe3+ ions. Next, the solution is treated with Zinc metal to convert all the Fe3+ ions to Fe2+ ions. Finally 40ml of ...
July 2, 2016

Physics
At what displacement the instantaneous velocity become equal to half of its maximum velocity? Plz help me
June 26, 2016

chemistry
Why reversible reaction never complete
June 21, 2016

Math
"Carlos started at sea level, climbed a cliff to a height of 14 m, then dived 19 m. Find the level at which his dive ended."
June 11, 2016

financial mathematics
bernard burrows rm8889 at 15%per annum simple interest. he agrees to settle the loan by paying x ringgit, 2x ringgit and 3x ringgit in two months, five months and nine months respectively.find the value of x using the present as the focal date 8889=x(1+0.15*0.16)^_1+2x(1+0.15*...
June 10, 2016

Physics
Find the longest wavelength by resonating air in 20 cm tube which is opened both ends
June 5, 2016

Physics
0.05
May 28, 2016

Science
The moon is about 384000 km the earth and its paths around earth is circular. The moon taken 24hr to complete one orbit. The speed at which the moon orbits the earth in km/ hour is
May 15, 2016

Science
The moon is about 384000 km the earth and its paths around earth is circular. The moon taken 24hr to complete one orbit. The speed at which the moon orbits the earth in km/ hour is
May 15, 2016

Science
The moon is about 384000 km the earth and its paths around earth is circular. The moon taken 24hr to complete one orbit. The speed at which the moon orbits the earth in km/ hour is
May 15, 2016

chemistry
the solubility of Mg(OH)2 at 25C is4.6x10^-3 g/100cm3? what is the solubility product of M g(OH)2?
May 12, 2016

Math
Find the volume of revolution when the region enclosed by the functions f(x)= e^x , g(x)=e^-x ,and the two lines is revolved about the x-axis Solution V=intergrate e^2x-e^-2x dx From -1to1 1/2e^+e^-2x when you sub and cal. =0 why please help me
May 11, 2016

Chemistry-Dr.Bob222
4007552
April 20, 2016

Math
The intensity of light passing through a lens can be found using the formula I=Io - Io / csc^2 theta, where Io is the intensity of the light coming in, I is the intensity of the light that emerges or goes out of the lens, and theta is the angle between. a) Find and simply and ...
April 19, 2016

math
It would be A
April 18, 2016

Math
I got 500 miles for A)
April 17, 2016

Math
Carter left town A at 8 a.m driving toward town B at an average speed of 60 mph. At 8:30 a.m, Mihn headed from town B to town A along the same road. At 11 a.m, they met each other along the way and Carter realized that he had completed 80% of his journey. A) How far was Town A...
April 17, 2016

math
sally put red ,white,and blue handkerchiefs in a drawer. One-third of the hand kerchiefs were red ,one -fourth of the hamdkerchiefs were white and ten were blue. how many handkerchiefs of each color were there?
April 13, 2016

Social Studies
The Belief that the United States was set apart to extend its boundaries to the pacific was called A) America's Destiny B) Redezvous C) Manifest Destiny***** D) Joint Occupation Is C correct?
April 1, 2016

simple interest
A total of $12,000 is invested into two simple interest accounts. On one account the annual simple interest rate is 12%, while on the second account the annual interest rate is 18%. How much should be invested at 12% so that the interest earned is the same?
March 31, 2016

simple interest
An investment club invested a part of $14,000 in a 9% annual simple interest account and the remainder in a 15% annual simple interest account. The amount of interest earned for one year was $1800. How much was invested in the 9% account? my answer =2400
March 31, 2016

simple interest
my answer 3000
March 31, 2016

simple interest
A total of $8000 is deposited into two simple interest accounts. On one account, the annual interest rate is 10%, while on the second account the annual simple interest rate is 12%. How much should be invested in the 10% account so that the total annual interest earned is $900?
March 31, 2016

finance
Q.1.Differentiate future value from present value and explain how compound interest differs from simple interest. Q.2. John expects to need $50,000 as a down payment on a house in six years. How much does she need to invest today in an account paying 7.25 percent? Q.3. Richard...
March 24, 2016

economic
Erehwon is a country where the only products produced were A & B, over 3 years, 2013. 2014 & 2015. What was the Nominal GDP for 2013, 2014, & 2015? Using 2013 as your base year, what was the real GDP in 2014, & 2015? What was the GDP deflator for 2014? Year Qty of A Price of A...
March 10, 2016

geometry
if the isosceles trapezoid is dilatede with a factor 0.5,what is the area of dialation in square yards?
March 10, 2016

Language Arts (Help ASAP)
Anyone in connexus that can help me with Lesson 19: Voices in Verse Unit Test Language Arts 8 B Unit 2: Voices in Verse I need answers pls
March 10, 2016

Chemistry
what is the concentration of each substance if a solution is prepared by mixing 5.00g of NaC2H3O2 with 15.0 ml of 1.45M acetic acid and then bringing the total volume to 250.0 ml?
February 29, 2016

cHEMISTRY
Hi
February 29, 2016

Chemistry
Why are liquids that are refrigerated and stored in glass always colder than those refrigerated and stored in plastic or cardboard?
February 25, 2016

Chemistry
Why do warm temperatures speed up the fermentation of milk?
February 22, 2016

maths
a survey of 250 people showed that 220people favored a candidate for re-election what percent of the people surveyed favoured the candidate
February 14, 2016

maths
a quality control inspector found that 1.3percent of 1500 computer inspected were defective how many computer were defective
February 14, 2016

physics
Two rings of radius 3 cm are 23 cm apart and concentric with a common horizontal x-axis. What is the magnitude of the electric field midway between the rings if both rings carry a charge of +35 nC?
February 4, 2016

Language arts
The answer is C, I had the same question.
February 3, 2016

LANGUAGE
In the parliamentary form of government, the legislature chooses and controls the executive. legislature has no control over the executive. legislature has co-equal but separate powers with the executive. executive controls the legislature.
February 3, 2016

LANGUAGE
NEED HELP PLEASE The retricerian came down like the wolf on the fold, And his cohorts were gleaming in purple and gold; And the sheen of their spears was like stars on the sea, When the blue wave rolls nightly on deep Galilee. what is the rhyme scheme of the above lines A. ...
February 3, 2016

english
15. Martin had a parochial fear of travel, so it suprised everyone when he.....
February 1, 2016

Economics Macro
78
January 25, 2016

English
Help!!!! I need a sample of English formal letter. immediate plzzzzz
January 23, 2016

physics
Help me to answer this!! What is meant by energy-mass relationship?w Explain with examples.
January 22, 2016

math
Solve this plxxx The numerator of a fraction is 2less than it's denominator.when both numerator and denominator are increased by 3,the fraction is increased by 3/20.find the original fraction.
January 22, 2016

math
I did get this explain plz... L=1680/w
January 22, 2016

math
Solve this plz The area of a rectangle is 1680msq.if it's diagonal is 58 m long find the length & width of the rectangle
January 22, 2016

math
Plz help me to solve this system of equation. 2^x+3^y=17 2^x+2+3^y+1=5
January 22, 2016

math
Plz help me to solve this system of equation. 2^x+3^y=17 2^x+2+3^y+1
January 22, 2016

math
Plz solve this problem.. A wire of 100 cm is cut into two parts and each part is bent to form square.if the sum of the areas of two squares is 425 cm square.find the length of side of two square.
January 21, 2016

Math
TO BE HONEST I DON'T REALLY KNOW SO I WAS WONDERING IF YOU GUYS HELP ME FIND THE ANSWER THANKYOU Ursula has fraction 1 over 2 cup of butter. She uses fraction 1 over 4 cup of butter to make a batch of brownies. Part A: How many batches of brownies can Ursula make with ...
January 20, 2016

math
Solve this problem plz... A rectangle has an area of 288 cm square.if the width is decreased by 1cm and length is increased by 1 cm the area would decreasedby 3 cm square.fin the original dimension of the rectangle.
January 20, 2016

math
Solve this problem plz... A shopkeeper buys some eggs at 15 cent each.6 of them are broken.while rest are sold at 20 cent each if he makes a profit of $4.8.find eggs he bought?
January 20, 2016

Physics
Plz plz answer this question..... "what is ment by the energy-mass relationship?explain it with the help of examples.....
January 20, 2016

English
I need a summary of book "eat that frog"I don't have any idea about that plzzzz help me.
January 20, 2016

Math
@Ms.Sue?
January 20, 2016

Math
A rectangular prism is completely packed with 180 cubes of edge length fraction 1 over 3 inch, without any gap or overlap. Which of the following describes the volume of this rectangular prism? 19 unit cubes and 9 smaller cubes of volume fraction 1 over 27 cubic inch each 19 ...
January 20, 2016

math
Tina uses a $50 gift certificate to buy a pair of pajamas for $17.97, a necklace for $25.49, and 3 pairs of socks that each cost the same amount. Tina has to pay $0.33 because the gift certificate does not cover the total cost of all the items. How much does each pair of socks...
January 19, 2016

math
A 6-pack of undershirts costs $13.98. This is $3.96 less than the cost of buying 6 individual shirts. If each undershirt costs the same amount, how much does each undershirt cost when purchased individually?
January 19, 2016

ci
What does it mean to be a good citizen? Be sure to include the three actions you listed in Step 2. What is the difference between a civic duty and a civic responsibility? Be sure to give an example for each to help explain. When have you experienced a civic duty or ...
January 14, 2016

Math
i think it's Conversion factor is actually a ratio between two measurements so they basically are the same am i right?
January 14, 2016

Math
How is using a conversion factor different than using proportions to convert measurement units? Explain which is easier and why.
January 14, 2016

Math
there are more questions is there anyway you can tag people in it?
January 14, 2016

Math
and you can divide it 5 times
January 14, 2016

Math
thank you, Damon but is there any way i can get it in a way that is more advanced?
January 14, 2016

Math
1. Is it possible for a composite number to have more than one prime factorization? 2. Is it possible for a number to have no prime factors? Why? 3. Give an example of how prime factorization could be used in the real world
January 14, 2016

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