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Questions (81)

What mass of hydrogen gas will be formed when 125 ml of 0.500 M hydrochloric acid is reacted according to the following
1. 1 answer
2. 65 views
35.0 of 0.150 M lead 2 nitrate and excess amount of potassium chloride are mixed. How much precipitate is produced?
1. 1 answer
2. 45 views
What is the molarity of a NaOH solution if 21.93 mL of base is required to titrate 0.243g of oxalic acid?
1. 1 answer
2. 71 views
What volume of 0.100 M sodium hydroxide is required to completely neutralize 50.0 mL of 0.100 M phosphoric acid?
1. 1 answer
2. 73 views
Which expression is equivalent to (2 2/3) 6/4
1. 1 answer
2. 77 views
Which expression is equivalent to the algebraic expression 3(2t+3)?
1. 1 answer
2. 93 views
Evaluate the collisions does a single Ar atom make in 1.0 s when the temperature is 25 C and the pressure is 1.0 atm.
1. 0 answers
2. 426 views
round 91.57608767 to the nearest tenth of a gram
1. 1 answer
2. 870 views
If Micheal Jordan when standing with his arms straight up in the air, is 7 feet 8 inches tall ; how many inches would he have to
1. 2 answers
2. 582 views
Find the area bounded by y - axis and x = 4 - y^(2/3)?
1. 4 answers
2. 761 views
Design the logic for a program that allows a user to enter 10 numbers, then displays each and its difference from the numeric
1. 2 answers
2. 1,709 views
Design the pseudocode for a program that allows a user to enter 10 numbers, then displays them in the reverse order of their
1. 2 answers
2. 2,221 views
Design a Visual Logic flowchart for a program that prompts the user to enter ten numbers one at a time.After the user has
1. 0 answers
2. 842 views
Design the pseudocode for a program that outputs numbers in reverse order from 10 down to 1 using a loop?
1. 1 answer
2. 1,427 views
Mrs. Beck paid a total of $34 for 4 identical bowls and 2 identical plates. A bowl cost $4 more than a plate. How much did she
1. 2 answers
2. 487 views
Determine the mass of the earth from the known period and the distance of the moon
1. 1 answer
2. 4,198 views
Suppose you have a coin that lands on Heads with probability 0.6There are three coin flips defined as X. Heads count 1 and tails
1. 0 answers
2. 567 views
A plane flies at a speed of 150mph at an angle of 10 degrees, after 6 seconds, the plane keeps the same speed but changes to an
1. 1 answer
2. 568 views
The dissolution of ammonium nitrate in water changes the temperature of water from 21C to - 1C(ice). If the molar enthalpy of
1. 0 answers
2. 648 views
what is the circumference of a circle with a diameter of 50 mm
1. 1 answer
2. 438 views
From first principles (ie using the tangent slope method), find the slope of the following curves at the given value of x.f(x)=2
1. 2 answers
2. 600 views
From first principles (ie using the tangent slope method), find the slope of the following curves at the given value of x.f(x)=2
1. 2 answers
2. 471 views
From first principles (ie using the tangent slope method), find the slope of the following curves at the given value of x.f(x)=2
1. 1 answer
2. 1,191 views
Evaluate the lima. lim x--> 64 (cube root x-4/x-64) (∛x-4)/(x-64) -> 0/0 so then let cube root x = u u-4/u^3-64 u-4/u^3-64 =
1. 5 answers
2. 2,028 views
Evaluate the lima. lim x--> 64 (cube root x-4/x-64)
1. 4 answers
2. 712 views
b.Determine the lim x-->4 (x^2+x-20/8-2x)What Im stuck on is this f(4)= 4^2+4-20 / 8-2(4) f(4)= 0/0 x^2+x-20/8-2x =
1. 4 answers
2. 646 views
Determine the following limits if it exists.a. lim x-->5 (4x/x-5)
1. 3 answers
2. 544 views
Determine the following limits if it exists.a. lim x-->5 (4x/x-5)
1. 2 answers
2. 534 views
Arrange these numbers from least to greatest: 2 over 5 comma text end text − 3 over 7 comma text end text 2 over 3.A. 2
1. 1 answer
2. 719 views
How does the author arrange this passage?A) He uses dialogue in the first half to express the confusion over the phrase "Don't
1. 3 answers
2. 1,341 views
While Sara was traveling in England; she met an interesting old man.. Choose the answer that is the most effective substitute
1. 1 answer
2. 2,713 views
After the basketball game the students had a dance at the school.. How should the sentence be correctly punctuated? A) Add a
1. 4 answers
2. 2,064 views
Choose the sentence that contains no comma errors.A) The book, that I borrowed from Elizabeth last week was excellent. B) About
1. 1 answer
2. 941 views
Jessica earns $53.35 in 5.5 hours. How much does Jessica earn in 1 hour?
1. 1 answer
2. 405 views
Which solution will best allow the movers to achieve their goal?A) Change the width of the ramp from 4 meters to 3 meters. B)
1. 3 answers
2. 1,334 views
Excerpt from: Norse Mythology Part DKate McConnaughey Then Loki, the spirit of evil, will break loose from the fetters with
1. 3 answers
2. 2,266 views
When He-Ping says that he wouldn't miss it for the world, he means thatA) he is not sure. Eliminate B) he really wants to go. C)
1. 3 answers
2. 1,692 views
Which words should be deleted to remove redundancy?At first, my initial reaction was to cancel my subscription to the monthly
1. 3 answers
2. 853 views
The lines a and b intersect at point D.What is the value of z? z = Can you please help em solve im really stuck and confused?
1. 5 answers
2. 864 views
lim ((1-2x)/(√1+x^2)-1)x→∞ Find the value.
1. 1 answer
2. 448 views
Shoe O Rama is having a 20 % off sale this friday. Which equation below shows how to find the sale price, s, as a function of
1. 1 answer
2. 490 views
The difference of two whole numbers is 27.The greater number is 3 less than twice the smaller.What are the numbers?
1. 1 answer
2. 484 views
Please help me and show an understanding please, so I see how to figure them out.Lee deposited $28,000 in an interest-bearing
1. 1 answer
2. 1,548 views
on an expressway, the recommended safe distance between cars in feet is given by 0.019v^2+v+14, where v is the speed of the car
1. 1 answer
2. 464 views
The vendor of a coffee cart mixes coffee beans that cost $8 per pound with coffee beans that cost $4 per pound. How many pounds
1. 2 answers
2. 3,216 views
on an expressway, the recommended safe distance between cars in feet is given by 0.019v^2+v+14, where v is the speed of the car
1. 1 answer
2. 790 views
The trends in international mathematic and science study (TIMSS) in 2007 examined eighth grade proficiency in math and science.
1. 1 answer
2. 703 views
Solve h=2f/m+1
1. 1 answer
2. 439 views
Three men, A, B and C agree to share the expense of a fishing expedition in the ratio 2:3:4.A pays $25 for the hire of the boat,
1. 1 answer
2. 442 views
Two numbers are such that their difference, their sum, and their product are in the ratio 1 : 4 : 15. What are the two numbers?
1. 1 answer
2. 865 views
An electron is initially at rest in, but not on the axis of, a solenoid that is carrying a steady current I directed as shown in
1. 0 answers
2. 421 views
Two 10 kg spheres are placed 500mm apart. Express the gravitational attraction acting on one of the spheres as a percentage to
1. 1 answer
2. 944 views
A man weighs 900N on the surface of the earth. Compare his weight in an airplane flying at an elevation of 9000m. Note that the
1. 3 answers
2. 3,301 views
Good hypothesis for does the human tongue have definite areas for certain tastes
1. 1 answer
2. 407 views
Does the human tongue have definite areas for certain tastes
1. 1 answer
2. 450 views
An 80 kg man climbs a 50 m-high hill in 20 minutes. What is the average power in watts he expends climbing the hill?
1. 1 answer
2. 777 views
The weight of a rock on the moon is 0.85 N. If acceleration due to gravity on the moon is 1.7 m/s2, what will be its weight on
1. 1 answer
2. 882 views
The annual precipitation for one city is normally distributed with a mean of 72 inches and a standard deviation of 3.5 inches.
1. 3 answers
2. 906 views
A mass of 710 kg is located at the origin. A second mass, 44.0 kg, is located at the point (0.216,0.702) m. Find the magnitude
1. 2 answers
2. 1,033 views
Please decide which of the following statements for car collisions are true or false.1)Crumple zones on cars are parts of the
1. 2 answers
2. 1,178 views
A bullet of mass m = 5.89 g is fired into a block of mass M = 3.09 kg that is initially at rest on the edge of a smooth table.
1. 1 answer
2. 558 views
Wheel A of radius ra = 13.9 cm is coupled by belt B to wheel C of radius rc = 34.3 cm. Wheel A increases its angular speed from
1. 1 answer
2. 642 views
Wheel A of radius ra = 13.9 cm is coupled by belt B to wheel C of radius rc = 34.3 cm. Wheel A increases its angular speed from
1. 4 answers
2. 1,176 views
Samantha saved $13 by buying a used DVD. She paid $5 less than half the original price of a new one. How much did Samantha pay
1. 1 answer
2. 808 views
A person is to run a circular track with a radius of 93 meters. The person starts at a certain spot and runs 3 and 1/2 times
1. 0 answers
2. 423 views
which of the following is an equation of the line tangent to the graph of y = (x^3)-x at the point where x =2:a) y - 6 = 4(x-2)
1. 1 answer
2. 3,624 views
which of the following is an equation of the line tangent to the graph of y = (x^3)-x at the point where x =2:a) y - 6 = 4(x-2)
1. 1 answer
2. 399 views
if x^2 + y^3 = (x^3)(y^2) then dy/dx = ? thanks
1. 2 answers
2. 423 views
a spherical ballon is being inflated at a constant rate of 25 cm^3/sec. At what rate in cm/sec is the radius of the ballon
1. 1 answer
2. 2,475 views
a rectangle with one side on the x axis and one side on the line x=2 has it upper left vertex on the graph of y=x^2, for what
1. 1 answer
2. 1,498 views
a college is planning to construct a new parking lot. the parking lot must be rectangular and enclose 6000 square meters of
1. 2 answers
2. 3,077 views
What are subjunctive verbs in Spanish? I've learned them before but I don't understand them.
1. 5 answers
2. 869 views
Use the given information to find the P-value. Also, use a 0.05 significance level and state the conclusion about the nullhypoth
1. 1 answer
2. 1,053 views
A metal oxide reacts with water to produce a metal hydroxide. What additional information would you need to determine the
1. 4 answers
2. 1,696 views
A prescription calls for the 4% Pilocar with a Sig. of "gtt i OU tid". How many 15-ml bottles should be dispensed for a 90 days
1. 2 answers
2. 1,279 views
The company reported a 6% operating margin on sales, a 12% pretax operating return on total assets, and $500 million of average
1. 0 answers
2. 482 views
I need to make up ten numbers that are divisible by 2,3,4,5,6,8,and 10.
1. 1 answer
2. 354 views
so if the equation I'm using is 3CuSO4+2AL(NO3)3 arrow 3CU(NO3)2+Al2(SO4)3 how many moles of CuSO4 would be needed to produce 8
1. 2 answers
2. 1,190 views
on which line is there a spelling mistake. 1/ reported to the HSE or local authority immediately. A major injury is2/
1. 1 answer
2. 538 views
Find all positive integers a<b<c (a is less than or equal to b, b is less than or equal to c) such that:arctan (1/a) + arctan
1. 0 answers
2. 444 views
Has anyone read the Strange Case of Dr Jekyll and Mr Hyde and/or The Time machine ?? if so,please let me know..as i have some
1. 0 answers
2. 1,028 views

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