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Ali

Questions and answers by Ali

Questions (480)

A ball is allowed to fall freely from certain height. What distance it covers in 1st second?
1. 10 answers
2. asked by Ali
3. 12,924 views
Describe how you would obtain pure crystals of Sodium chloride from a muxture of solid sodium chloride and solid zinc carbonateS
1. 5 answers
2. asked by Ali
3. 5,513 views
Which is Islam’s most sacred text?A. the Quran B. the Sunnah C. the Hadith D. the Sharia What do Muslims do on a hajj? A. They
1. 35 answers
2. asked by Ali
3. 10,245 views
Jon is participating in a 6 mile run/walk for charity. If she completes the course & runs at least 1/2 the distance then write
1. 4 answers
2. 1,027 views
why is it important to take responsibility for your online publications?a. What you post can hurt or slander others*** b. people
1. 15 answers
2. 4,764 views
The Mall: My sister likes to go shopping. Yesterday she borrowed a wad of money from Mom and went to the mall. She began her
1. 5 answers
2. 5,624 views
How did Greek culture influence Rome
1. 14 answers
2. 2,791 views
Given that two sides of a triangle are 20 and 66. Find the range of possible measures for the third side, s.a. 20<s<66 b.
1. 2 answers
2. 644 views
Photochemical reations (reactions that use light) are unique. In certain cases, reactions that are more dilute are more rapid
1. 1 answer
2. 372 views
3)How mnay subsets of 6 integers taken from the numbers 1,2,3...,20 arethere such that there are no consecutive integers in any
1. 1 answer
2. 379 views
For germanium atom write:the set of four quantum numbers for the two highest energy electrons in an atom of Ge. If you go to
1. 1 answer
2. 932 views
In my bio lab we are creating serial disk dilutions (100mg, 300mg, 500mg) from a plant extraction sample.Wood sample #1 (7mL of
1. 1 answer
2. 513 views
Our biology class is studying the human skeletal system this month, and I need to find some information on the fone bone for my
1. 1 answer
2. 509 views
HiMY question is if a cylinder has a volume of 72cm cubed and a cross-sectional area of 18cm squared. Work out the height of the
1. 1 answer
2. 714 views
HiMY question is if a cylinder has a volume of 72cm cubed and a cross-sectional area of 18cm squared. Work out the height of the
1. 1 answer
2. 579 views
I have an ice cube :3000 KG,the tempereture is about 50 (cel).would you please let me know how much does it take long for it to
1. 1 answer
2. 361 views
The year 1999 contains 365 days and begins on Friday. Use deductive reasoning to figure out what day of the week the year 2000
1. 4 answers
2. 687 views
What are 5 differences between Vertebrates and Invertabrates
1. 1 answer
2. 421 views
What are some similaraties between Vertebrates and Invertabrates
1. 1 answer
2. 435 views
What is a good site for learning how to speek french for free?
1. 2 answers
2. 1,256 views
Find a formula for the following functions:x -2 -1 0 1 2 3 4 y 0 3 4 3 0 -5 -12 x -4 -3 -2 -1 0 1 2 3 4 y 25 16 9 4 1 0 1 4 9
1. 1 answer
2. 268 views
Hi My theacher is telling me to do an egg drop project with 16 plastic straws with tape it's due tommorow an I need to finish
1. 3 answers
2. 475 views
The zero-velocity value of the Jacobi integral at the L2 point of the Earth-Moon system is C= -1.59411. Suppose a spacecraft is
1. 1 answer
2. 413 views
The zero-velocity value of the Jacobi integral at the L2 point of the Earth-Moon system is C= -1.59411. Suppose a spacecraft is
1. 1 answer
2. 320 views
What is the effect of substrate concentration on enzyme activity? How does enzyme activity change as substrate concentration
1. 3 answers
2. 824 views
A person exerts a horizontal force of F = 179 N in the test apparatus shown in the drawing. (h = 0.35 m.) Find the horizontal
1. 4 answers
2. 918 views
A lunch tray is being held in one hand, as the drawing illustrates. The mass of the tray itself is 0.220 kg, and its center of
1. 2 answers
2. 1,132 views
20.When black gunpowder explodes, potassium nitrate, carbon, and sulfur react with each other to form nitrogen, carbon dioxide,
1. 6 answers
2. 1,821 views
What do Na2(CO3)+ Zn(NO3)2 form?
1. 2 answers
2. 667 views
How did the House of Burgesses Influence the Founding fathers of the United States when they greated our government?
1. 2 answers
2. 554 views
What big idea of American government does The House of Burgesses Fall under? Delf Government, Limited government, representative
1. 3 answers
2. 1,089 views
The question is:The freezing point of helium is -272 degrees celsius. The original temperature of a sample of helium is 3
1. 3 answers
2. 1,614 views
If F(n) = F(n-1) + (n-1)F(5) = 11 What is F(1)?
1. 5 answers
2. 327 views
A new car depreciates an average of 22% in its first year of use. If the car was worth $16,000 when it was new, what will the
1. 3 answers
2. 424 views
The transition of the lips where the outer skinner and inner mucous membrane meet is called the _________I looked it up and from
1. 1 answer
2. 694 views
What is the molarity of a solution with 3.5mol of CaCl2 in 1.89L of solutionWhat is the molarity of a solution with 16g of CH3OH
1. 4 answers
2. 1,953 views
How many moles of HNO3 are required to make 250mL of a 2.4M solution?How many grams of KOH are required to make 125mL of a .50M
1. 3 answers
2. 1,356 views
For business marketing, we are planning to make and sell soap, with our target audience as teenagers. What do you think we need
1. 3 answers
2. 694 views
Given the following data set, which measure of central tendency is the greatest ?{2,4,6,8,10,12}
1. 1 answer
2. 440 views
A 15-kilogram block is sliding on a dry, level surface with a coefficient of dry sliding friction of 0.3. The initial speed of
1. 2 answers
2. 587 views
The Measured voltage of the cell Pt H2 (1.0atm) H+ // Ag+ (1.0M) Ag ia 1.02 V at 25degrees. Gven E cell is 0.80V, calculate the
1. 3 answers
2. 1,436 views
Why does this happen?A=3 and b=2 A+b=c is the equation. Multiplying both sides of the equation makes the equation a^2+2ab+b^2
1. 1 answer
2. 424 views
So Hannah wakes up at 7:56 , Beth wakes up at 7:03. Hannah has breakfast at 8:36 and Beth has Breakfast at 7:50.Problem 1 : How
1. 3 answers
2. 334 views
What is the probability of drawing a red checker from a bag of 9 black checkers and 6 red checkers, replacing it, and drawing it
1. 3 answers
2. 930 views
Explain why, in terms of job performance and efficiency, knowing medical billing terms is critical for working in the health
1. 2 answers
2. 683 views
There are 20 red yellow and green tiles in a bag. 1/2 of the tiles are not yellow. 1/5 of the tiles are red. What is the
1. 5 answers
2. 787 views
Using the following letters once, what word can you make: A,E,M,R,S,S,T.
1. 2 answers
2. 512 views
Can you find 3 metaphors and 10 alliterations in this poem?THE Witch 1.She comes back night, in fearsome flight, 2. In garments
1. 10 answers
2. 3,158 views
Verify the identitysin 3x cos 3x = 1/2 sin 6x can you show step by step please
1. 3 answers
2. 2,553 views
A bat flying in a cave emits a sound and receives its echo 0.25 s later. How far away is the cave wall?
1. 2 answers
2. 713 views
Two charged smoke particles exert a force of 4.2x10^-2 N on each other. What will be the force if they are moved so they are
1. 3 answers
2. 1,427 views
give 5 differences and 3 similarities between plays and novels
1. 4 answers
2. 457 views
Hess, Inc. sells a single product with a contribution margin of $12 per unit and fixed costs of $74,400 and sales for the
1. 1 answer
2. 384 views
Maurice receives $100 as a birthday gift. In deciding how to spend the money, he narrows his options down to four choices:
1. 3 answers
2. 1,823 views
A financial institution wishes to estimate the mean balances owed by its credit card customers. The population standard
1. 2 answers
2. 687 views
The base of a pyramid is 10 cm high is the triangle shown. Find the volume of the pyramid. The hieght/leg of the traingle is 4
1. 3 answers
2. 1,122 views
A boat that can travel at 4.0 km/hr in still water crosses a river with a current of 1.8 km/h. at what angle must the boat be
1. 2 answers
2. 538 views
A 6.0 kg block,starting from rest, slides down a frictionless incline of length 2.0 m. When it arrives at the bottom of the
1. 2 answers
2. 760 views
A 6.0 kg block,starting from rest, slides down a frictionless incline of length 2.0 m. When it arrives at the bottom of the
1. 3 answers
2. 1,373 views
A 75.0 kg ladder that is 3.00 m in length is placed against a wall at an angle theta. The center of gravity of the ladder is at
1. 1 answer
2. 835 views
A cart starts from position one with a velocity of 17.0 m/s. Find the speed of the cart at positions 2 and 3 ignoring friction.
1. 3 answers
2. 484 views
How do you write-1/9 x^-1 with a positive exponent? also, -5 x^-2 ??
1. 1 answer
2. 308 views
How do you simplify(x^a+b)^a-b / (x^a-2b) ^ a+2b
1. 3 answers
2. 372 views
How do you solve:log (1/3) 1 ?
1. 2 answers
2. 470 views
How do you solvelog(5) 20 + log (5) 10 - 3log(5) 2?
1. 2 answers
2. 468 views
An earthquake registers 6.1 on the richter scale. What is the rating on an earthquake twice as powerful?I know: M=I/Io Then what
1. 7 answers
2. 1,007 views
How do you create a table to graphlog (3/2) x ???
1. 1 answer
2. 313 views
How is any equation of the form y= -x + b its own inverse?
1. 3 answers
2. 410 views
How do you write:-1/9 x^-1 with a positive exponent? also, -5 x^-2 ??
1. 1 answer
2. 364 views
How do you simplify this equation:(x^a+b)^a-b / (x^a-2b) ^ a+2b
1. 4 answers
2. 391 views
What equation has the following features:It has the x-axis as an asymptote and it passes through (0, -1), (-1,-3) and (-2,-9)?
1. 1 answer
2. 331 views
How do you graph y= -log (base 5)(-x)?The written question is: Sketch above equation by first describing the transformations
1. 2 answers
2. 684 views
(x^ a+b) ^ (a-b) / (x^a-2b) ^ (a+2b)
1. 1 answer
2. 251 views
How do you graph y= -log (base 5)(-x)?The written question is: Sketch above equation by first describing the transformations
1. 1 answer
2. 540 views
what is the solubility of Pb(NO3)2, PbCl2, PbCrO4, and PbS from highest to lowest
1. 4 answers
2. 1,944 views
How do you graph y= -log (base 5)(-x)?The written question is: Sketch above equation by first describing the transformations
1. 1 answer
2. 407 views
My ones digit is 5 more than the tens digit. i am greater than 25 and less than 35.
1. 4 answers
2. 299 views
find the sum of the 20th term a=6 and r=2/3
1. 1 answer
2. 383 views
find the sum of the first 8th term of the Geometric progression, 1,3,9,27
1. 4 answers
2. 2,139 views
in a Geometric progression the sum of the first and the second terms is 90 and the sum of the second and the fourth terms is
1. 1 answer
2. 494 views
If the sum of the first and the second terms of an infinite Geometric progression is equal to 3/8, and the sum of its term is
1. 1 answer
2. 963 views
a rubber ball fell from a high of 16 feet and then its rebounded until it rested, such that each time it rebounded to a high
1. 1 answer
2. 370 views
in an arithmetic progression the 50th term is equal to 3, and the sum of the first 8th is equal to 23. find the first term and
1. 1 answer
2. 446 views
In a Geometric progression the sum of its first 4 term is equal 15, and the sum of the next term is equal to 15/16. find its
1. 2 answers
2. 888 views
Sketch y= -(1/4)(2)^(x-4)+5 by first including a table describing its major features.
1. 1 answer
2. 301 views
Sketch y= -(1/4)(2)^(x-4)+5 by first including a table describing its major features.
1. 1 answer
2. 313 views
Given y=2^xPredict the equation for the graph that has been reflected in the y-axis, given a vertical stretch by a factor of 5,
1. 4 answers
2. 549 views
Sketch y= -(1/4) (2)^(x-4)+5I know that the basic equation is y=2^x so is the graph translated 4 units right, vertically
1. 1 answer
2. 407 views
Graph the results of a coin toss:Toss Coins 0 20 1 12 2 5 3 1 4 0 State an equation that best fits the results (use n to
1. 1 answer
2. 385 views
A sample of carboxylic acid is added to 50.0 mL of 2.27 M NaOH and the excess NaOH required 28.7 mL of 1.86 M HCl for
1. 1 answer
2. 439 views
Assume a population of any 4 numbers(suppose: 4,8,15,19). Select a random sample of size 2 with replacement from the population.
1. 1 answer
2. 495 views
my moth balls froze at 54 degrees celsius, what kind are they?
1. 1 answer
2. 242 views
What is the best way to tell a chemical change has taken place?1. The matter changes color 2. The mixture separates into layers
1. 3 answers
2. 247 views
Write an equation for a cosine function with an amplitude of 2/3 , a period of pi, and a vertical shift of 2 units up.
1. 1 answer
2. 484 views
ive been trying to figure this question out for 20 minutes.. if you could help me that would be great.- Dennis, a new medical
1. 4 answers
2. 1,961 views
How did the pattern of European immigration shift in 1890?
1. 2 answers
2. 617 views
n insurance company wants to offer a new 5-year, level-term life insurance policy to recent college graduates. The policy will
1. 2 answers
2. 545 views
Calculate the molarity of each solution.a) 1.0 mol KCl in 750 mL of solution b) 0.50 mol MgCl2 in 1.5 L of solution
1. 2 answers
2. 1,465 views
In a fish tank, there are two fewer blue fish than three times the number of yellow fish. If there are 10 blue fish, what is the
1. 2 answers
2. 1,087 views
If 50% of the automobiles sold by an agency for a certain car are equipped with diesel engines, let X represent the number of
1. 1 answer
2. 453 views

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