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Questions Asked on July 19, 2017

how do I solve problems like this?64x1 7/24
1. 1 answer
2. asked by jessica
3. 489 views
The indicator HIn has a dissociation constant of 1*10^-4 M.HIn<===> H30^+ + In^- Yellow Red When the pH value of the solution is
1. 6 answers
2. asked by Anna
3. 1,045 views
A children's park is 350m long and 200 m wide. It is surrounded by a pathway of uniform wittd. Suppose the total area of the
1. 2 answers
2. asked by Raquel
3. 3,626 views
We are asked to find the pH of a buffer solution of Dinitrophenol and NaOH,with the necessary data given.Do they react at 1:1
1. 2 answers
2. asked by Beth
3. 356 views
An arithmetic progression has 10 terms. Sum of the 10 terms is 220. Sum of the odd terms is 100. Find the first term and common
1. 3 answers
2. asked by kumar
3. 592 views
Jennny decided to open up her new coffee shop. Jenny needs to know how much he will need to bring in with the coffee shop to
1. 2 answers
2. asked by John
3. 657 views
A lump of lead with a mass 0.5kg is dropped from a height of 20m onto a hard surface. It does not rebound but remains there for
1. 22 answers
2. asked by Asteway
3. 4,414 views
please can you help to me with write a news report based in ROcket club sets New launch record. I can not understand how I have
1. 1 answer
2. asked by Liliana
3. 606 views
A bus service center has 2 feed services that start together at 8 a.m. Bus A leaves at 15 minutes interval, while bus B leaves
1. 15 answers
2. asked by Bodhi
3. 12,118 views
the probabilities that a customer will rent 0 1 2 3 and 4 DVDs on a single visit to the rental store are 0.15, 0.25, 0.3, 0.25
1. 1 answer
2. asked by Meg
3. 2,590 views
Perimeter of the equilateral triangle whose side 3x square +4x +8
1. 1 answer
2. asked by Navinkumar
3. 455 views
A computer printer can print a 660-word document in 35 seconds. At this rate, how many seconds are required to print a document
1. 1 answer
2. asked by Blanca
3. 528 views
Emma is X months older than molly. If molly is 9 months old, write an expression for emmas ageM= Months x= emmas age XM= 9 ?
1. 1 answer
2. asked by Jack
3. 496 views
Can we consider two solutions of 10^-4 M NaOH and HCl ,as weak base and weak acid solutions?
1. 3 answers
2. asked by Anonymo
3. 428 views
You are tasked with designing a roller coaster ride with a radius of curvature of 6.0 m. What minimum speed must the roller
1. 1 answer
2. asked by Courtney
3. 592 views
How do I find the derivative of e^y -y=x^2 -2?Do I use chain rule with -d/dy or -d/dx or dy/dx? And then how do I find the slope
1. 1 answer
2. asked by Maddie
3. 362 views
Which one of the two salts precipitated?AgNO3 + K2SO4 = Ag2SO4 + KNO3
1. 1 answer
2. asked by matt
3. 618 views
Let $f(x) = \dfrac{2-3x}{5-2x}$. For what value of $a$ is $f(a) = 3$?
1. 2 answers
2. asked by Anusha
3. 614 views
Fred Flintstone’s club–ax is made up of two parts: an uniform 2.5 kg stick and a symmetrical 10 kg stone attached to the end
1. 2 answers
2. asked by Nina
3. 643 views
$12,000, invested for 7 years at 3% compounded quarterly.
1. 1 answer
2. asked by josh johnson
3. 341 views
The spin-drier of a washing machine slows down uniformly from 880 rpm (revolutions per minute) to 260 rpm while making 50
1. 1 answer
2. asked by Nina
3. 704 views
How much codeine is needed to prepare 120 ml of a cough syrup with a codeine concentration of 15 mg/ml?
1. 1 answer
2. asked by gia
3. 552 views
A rectangular storage container with an open top is to have a volume of 10 . The length of its base is twice the width. Material
1. 3 answers
2. asked by John
3. 1,156 views
A drug manufactured by a pharmaceutical company is sold in bulk at a price of $150per unit. The total production cost (in
1. 1 answer
2. asked by Andy
3. 747 views
A structure is made out of foam cubes that are each 1/4 foot tall. The height of the structure is 8 feet. How many cubes were
1. 1 answer
2. asked by Jeff
3. 747 views
3. The 5th term of an AP is 8 and the 10th term is -7, find the 20th term and 50th term of an AP.
1. 2 answers
2. asked by Achire
3. 1,153 views
If the diameter of a circle P is 40 percent of the diameter of circle Q, then the area of circle P is what percentage of the
1. 3 answers
2. asked by melanie
3. 1,720 views
Suppose a multiple choice test has 20 questions with each question having 4 choices, only one of which is correct that is %25.
1. 0 answers
2. asked by Nora
3. 734 views
How to post a geometry question with picture?
1. 1 answer
2. asked by Lauren
3. 418 views
Steven is moving to another city next weekend and wants to rent a moving truck. The rental rates for two companies in his area
1. 1 answer
2. asked by Ashley
3. 2,316 views
Jerome will be buying a used car for $9 comma 0009,000 in 22 years. How much money should he ask his parents for now so
1. 1 answer
2. asked by bri
3. 553 views
A salesman starts a trip with 15 gallons of gasoline in his tank. After traveling 220 miles he has 10 gallons of gasoline in his
1. 1 answer
2. asked by William
3. 724 views
A salesman starts a trip with 15 gallons of gasoline in his tank. After traveling 220 miles he has 10 gallons of gasoline in his
1. 1 answer
2. asked by William
3. 624 views
The ratio of boys and girls in a class is 3:4. When three boys are absent the ratio changes to 5:8. How many pupils are in the
1. 1 answer
2. asked by Festus
3. 474 views
Find (-6/7+18/28)*-7/5
1. 1 answer
2. asked by Rational numbers
3. 340 views
A woman is 45 years old. Her daughter is 12 years old.How many years it takes until the daughter is half as old as her mother?
1. 3 answers
2. asked by Al Mijar
3. 1,341 views
A body of 6 kg rest in limiting equilibrium onan inclined plane whose slope is 30° the plane is raised to a slope of 60 degree
1. 2 answers
2. asked by Raj
3. 1,144 views
Two planes start at 11AM from two airports 1800 miles apart, and fly toward each other at average rates of 200 and 250 miles per
1. 2 answers
2. asked by Bom B
3. 1,251 views
The sums of the first 8 terms and first 20 terms of an AP are 56 and 260 respectively; find the first term (a) and the common
1. 1 answer
2. asked by Achire
3. 890 views
ram salary is 350000/annum,he spends3/5 of his salary for charity. what is the amount he spend for charity, and what is the
1. 1 answer
2. asked by Ahal
3. 357 views
A pie is cut in to 10 equal sector find the measure of the central angle of one slice of pie
1. 1 answer
2. asked by princi
3. 1,047 views
si spend2 /3 of his study for home work & remaining for revisions, if his study is 9/2hours a day, how much time does he spend
1. 1 answer
2. asked by Ahal
3. 376 views
How much force will give a mass of 50g an acceleration of 60cm/s^2
1. 2 answers
2. asked by angelica
3. 611 views
If from 10 moles NH3 and 5 moles of H2S04,all the H-atoms are removed in order to form H2 gas,then find the number of H2
1. 1 answer
2. asked by Prateek
3. 573 views
If the percentage of water of crystallization in MgSO4.xH2O is 13% , then what is the value of 'X'.
1. 1 answer
2. asked by Mayank
3. 1,283 views
Find the perimeter of the equilateral triangle whose side 3x square +4x +8
1. 1 answer
2. asked by Navinkumar
3. 1,063 views
horizontal and vertical component of earth's magnetic field at a place are 0.22 tesla and 0.38 tesla respectively then find the
1. 1 answer
2. asked by Anonymous
3. 816 views
How do we evaluatelim x-->0 [ cos(2x^3)-1]/[(sin2x^6] I tried the substitution 2@=2x^3 but that leaves a 'x^2' in the
1. 3 answers
2. asked by Aanya
3. 447 views
I am thingking of a number thrice my number minus 6 equals 66 what is my number?
1. 1 answer
2. asked by Anonymous
3. 539 views

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