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Ali

Questions and answers by Ali, page 3

Questions (480)

What is the water potential of a 5.7 L water in which 2.1 moles of NaCl has been dissolved at 30 degrees celcisus?Help please?
1. 1 answer
2. 362 views
explain what do you need to do to extend number pattern?
1. 10 answers
2. 359 views
When Kaitlin divided a fraction by 1/2,the result was a mixed number.Was the original fraction less than or greater than 1/2?
1. 12 answers
2. 1,893 views
Given a mean of 25 and a standard deviation of 2.3, what is the z-score of a data value of 29?I don't understand the formula
1. 4 answers
2. 1,296 views
Two cards are selected, without replacing the first card, from a standard deck. Find the probability of selecting an ace (A),
1. 3 answers
2. 2,358 views
If you wanted to produce 0.25 L of CO2 gas (at STP), how many grams of sodium bicarbonate would I need to use? Acetic acid is in
1. 3 answers
2. 626 views
If I used 0.100L of 0.83 M HC2H3O2 (aq) (0.83 mol per 1 L of solution), how much carbon dioxide would be produced? (IT IS
1. 1 answer
2. 335 views
If I used 24.6 g of of 0.83 M HC2H3O2 (aq) (0.83 mol per 1 L of solution), how much carbon dioxide would be produced? (IT IS
1. 1 answer
2. 354 views
Bob needs to mix 2 cups of orange juice concentrate with 3.5 cups of water to make orange juice. Bob has 6 cups of concentrate.
1. 17 answers
2. 5,415 views
The ratio of North American butterflies to South American butterflies is 5:3. The ratio to South American butterflies to
1. 13 answers
2. 4,299 views
A collector has 120 movie posters and 100 band posters. She wants to sell 24 movie posters but still have her poster collection
1. 11 answers
2. 2,624 views
In each bouquet of flowers, there are 4 roses and 6 white carnations. Complete the table to find how many roses and carnations
1. 6 answers
2. 1,363 views
Betsy is making a flag, she can choose three colors from red, white, blue, and yellow. how many choices does Betsey have?
1. 2 answers
2. 510 views
Johnny struggles to overcome his pride and impatience and develop into a humble, generous young man.5. Which type of conflict
1. 7 answers
2. 965 views
A bicycle and rider travel along a road. Which of the following statements is true?Neither the bicycle nor the rider undergoes a
1. 4 answers
2. 1,173 views
Amanda and her four sisters divided 1,021 stickers equally. About how many stickers would each girl receive? How do I show my
1. 6 answers
2. 915 views
The school choir has 48 singers with high voices, 53 singers with middle voices, and 39 singers with low voices. the singers
1. 4 answers
2. 527 views
Jake wants to distribute 543 marbles equally among 7 of his friends. In what place is the first digit of the quotient?
1. 3 answers
2. 708 views
There are 112 seats in the school auditorium. There are 7 seats in each row. There are 70 people seated, filling up full rows of
1. 10 answers
2. 1,232 views
A park guide plans the swan boat rides for 40 people. Each boat can carry 6 people at a time. What is the best way to interpret
1. 10 answers
2. 1,723 views
Jasmine has 8 seashells. Three-quarters are clamshells. How many shells are clamshells?
1. 4 answers
2. 264 views
Ashley bought 4 packages of juice boxes.There are 6 juice boxes in each package. She gave 2 juice boxes to each of 3 friends.
1. 7 answers
2. 1,838 views
Ursula bought 9 dozen gauze pads for the health office. The gauze pads were divided equally into 4 boxes. How many gauze pads
1. 4 answers
2. 1,122 views
There are 12 seats in the school auditorium. There are 7 seats in each row. There are 70 people seated, filling up full rows of
1. 4 answers
2. 462 views
Two dice are tossed simultaneously. What is the probability that “either the sum of top faces of dice is sixor both top faces
1. 2 answers
2. 763 views
Assume that you have to select some of the applicants for registration in some particular academicprogramme. Also assume that
1. 3 answers
2. 459 views
Let A and B be two data lists. Concatenation of the list A and another list B is defined to be equal to B, ifA is null; and is
1. 5 answers
2. 402 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. 1,031 views
A piece of metal of mass 18 g at 107◦C is placed in a calorimeter containing 56.5 g of water at 25◦C. The ﬁnal temperature
1. 3 answers
2. 608 views
A projectile is fired straight up from the top of a 190m cliff with a speed of 170m/s . What will be its speed just before it
1. 1 answer
2. 392 views
The base of a solid in the first quadrant of the xy plane is a right triangle bounded by the coordinate axes and the line x + y
1. 7 answers
2. 4,795 views
A lighted candle is placed 38 cm in front of a diverging lens. The light passes through the diverging lens and on to a
1. 3 answers
2. 1,180 views
A convex mirror (f1 = −6.30 cm) and a concave mirror (f2 = 9.50 cm) are facing each other and are separated by a distance of
1. 1 answer
2. 659 views
The region in the first quadrant bounded by the x-axis, the line x = ln(π), and the curve y = sin(ex) is rotated about the
1. 2 answers
2. 1,331 views
A diver's elevation is -30 feet relative to sea level.She dives down 12 feet. What is her elevation after the dive?
1. 5 answers
2. 1,167 views
t a NASA research center free-fall research is performed by dropping experiment packages from the top of an evacuated shaft 156
1. 2 answers
2. 724 views
if a cooler has 63 kg of ice how much energy is required to melt it at 0 degrees celcius? The heat fusion for water is 80
1. 1 answer
2. 448 views
Mr dodson wants to fence an area that is 8 feet by 10 feet how muchfence will he need
1. 6 answers
2. 1,312 views
Two blocks connected by a rope of negligible mass are being dragged by a horizontal force F (Fig. P5.45). Suppose that F = 75.0
1. 1 answer
2. 803 views
YoU order 6 pizza & you eat 2/3 of one pizza before your guest arrived. Each one of your guest eat 1/4 of pizza & left with 5/6
1. 1 answer
2. 409 views
A 60 kg is pushed 12m across a horizontal floor by a horizontal force of 200N. The coefficient of kinetic friction is 0.3. How
1. 4 answers
2. 2,071 views
Order fractions from greatest to least.7/8, 8/9, 9/10,10/11
1. 3 answers
2. 459 views
4 cos 2x + 3 sin 2x = 2
1. 3 answers
2. 344 views
Flying with the wind a plane went 162 mph. Flying into the same wind the plane only went 82mph. Find the speed of the plane in
1. 2 answers
2. 517 views
James and Kristin each improved their yards by planting daylilies and geraniums. They bought their supplies from the same store.
1. 2 answers
2. 579 views
Which molecule would be more soluble in water ? H----C=C---H or BeCl2
1. 1 answer
2. 367 views
Jennifer notices there are branches that overhang the roads near her house. when trucks drive by, they hot the branches. she
1. 6 answers
2. 804 views
which of the following is true about most state constitutionsA. Delegated powers are thoroughly described in most state
1. 4 answers
2. 1,093 views
according to the united states constitution, which action would be the most appropriate for state governmentA. printing a newly-
1. 5 answers
2. 943 views
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
1. 7 answers
2. 937 views
How is using a conversion factor different than using proportions to convert measurement units? Explain which is easier and why.
1. 4 answers
2. 1,244 views
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
1. 3 answers
2. 979 views
A rectangular prism is completely packed with 180 cubes of edge length fraction 1 over 3 inch, without any gap or overlap. Which
1. 13 answers
2. 8,918 views
I need a summary of book "eat that frog"I don't have any idea about that plzzzz help me.
1. 2 answers
2. 500 views
Plz plz answer this question....."what is ment by the energy-mass relationship?explain it with the help of examples.....
1. 1 answer
2. 398 views
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
1. 4 answers
2. 2,085 views
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
1. 3 answers
2. 1,298 views
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
1. 13 answers
2. 2,125 views
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
1. 3 answers
2. 835 views
Plz help me to solve this system of equation.2^x+3^y=17 2^x+2+3^y+1
1. 3 answers
2. 283 views
Plz help me to solve this system of equation.2^x+3^y=17 2^x+2+3^y+1=5
1. 3 answers
2. 391 views
Solve this plzThe area of a rectangle is 1680msq.if it's diagonal is 58 m long find the length & width of the rectangle
1. 2 answers
2. 761 views
I did get this explain plz...L=1680/w
1. 1 answer
2. 236 views
Solve this plxxxThe numerator of a fraction is 2less than it's denominator.when both numerator and denominator are increased by
1. 2 answers
2. 636 views
Help me to answer this!!What is meant by energy-mass relationship?w Explain with examples.
1. 1 answer
2. 415 views
Help!!!!I need a sample of English formal letter. immediate plzzzzz
1. 1 answer
2. 435 views
NEED HELP PLEASE The retricerian came down like the wolf on the fold,And his cohorts were gleaming in purple and gold; And the
1. 2 answers
2. 702 views
In the parliamentary form of government, thelegislature chooses and controls the executive. legislature has no control over the
1. 2 answers
2. 709 views
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
1. 1 answer
2. 667 views
Why do warm temperatures speed up the fermentation of milk?
1. 2 answers
2. 635 views
Why are liquids that are refrigerated and stored in glass always colder than those refrigerated and stored in plastic or
1. 1 answer
2. 383 views
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
1. 2 answers
2. 531 views
Q.1.Differentiate future value from present value and explain how compound interest differs from simple interest.Q.2. John
1. 1 answer
2. 485 views
The Belief that the United States was set apart to extend its boundaries to the pacific was calledA) America's Destiny B)
1. 2 answers
2. 641 views
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
1. 4 answers
2. 596 views
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
1. 3 answers
2. 1,856 views
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
1. 2 answers
2. 500 views
The moon is about 384000 km the earth and its paths around earth is circular. The moon taken 24hr to complete one orbit. The
1. 2 answers
2. 600 views
Find the longest wavelength by resonating air in 20 cm tube which is opened both ends
1. 1 answer
2. 371 views
bernard burrows rm8889 at 15%per annum simple interest. he agrees to settle the loan by paying x ringgit, 2x ringgit and 3x
1. 1 answer
2. 821 views
"�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."
1. 3 answers
2. 407 views
At what displacement the instantaneous velocity become equal to half of its maximum velocity? Plz help me
1. 3 answers
2. 389 views
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
1. 2 answers
2. 1,150 views
8a+2a
1. 1 answer
2. 225 views
Suppose a Normal model describes the fuel efficiency of cars currently registered in your state. The mean is 27 mpg, with a
1. 3 answers
2. 733 views
Mr. Ali purchases a government bond for five years which gives simple interest 12% p.a. At the time of maturity he gets back
1. 1 answer
2. 391 views
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
1. 3 answers
2. 647 views
An electronic firm finds that 3/64 of the resistors it makes are defective. What percentage is this?
1. 1 answer
2. 426 views
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
1. 5 answers
2. 2,052 views
Solid AgNo3 is added slowly to solution of 0.001M Cl,Br,and Ia) at what concentration of Ag will AgI precipitating? at what
1. 1 answer
2. 666 views
Solid AgNo3 is added slowly to solution of 0.001M Cl,Br,and Ia) at what concentration of Ag will AgI precipitating? at what
1. 3 answers
2. 1,046 views
I'm thinking of a number.When I multiply it by 6 and subtract 30, the answer is 78 What is Noah's number?
1. 2 answers
2. 494 views
Prove that angle a is equal to angle E if angle D is equal to angle cScience I can't put the picture of the triangle I will try
1. 1 answer
2. 698 views
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
1. 1 answer
2. 408 views
following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in lengthLoad (kN)
1. 2 answers
2. 655 views
John and Bryan share Rs 1500.If John gets twice as much as Bryan,how much money does Bryan have?
1. 3 answers
2. 558 views
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
1. 1 answer
2. 442 views
A car with its passengers have a total mass of 4200kg .the car is travelling along a horizontal road when it moves ,it
1. 3 answers
2. 827 views
a man was trying to swim to a buoy placed at a distance of 200m out in the sea. it took him 1 min to swim 20m. then a wave
1. 2 answers
2. 478 views
b) The crank OA of a mechanism, as shown in the figure, rotates clockwise at 120 r.p.m. The lengths of various links are OA =
1. 3 answers
2. 703 views

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