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Andrew
Questions (1,303)
Calcium oxide, or lime, is produced by the thermal decomposition of limestone in the reaction CaCO3(s) arrow CaO(s) + CO2(g).
0 answers
1,113 views
For the reaction HCl + NaOH → NaCl + H2O, how many moles of hydrochloric acid are required to produce 281.0 g of water?
1 answer
813 views
Two 2 1/2 inch plastic strips and two 5 1/3 inch plastic strips are used to form a rectangle. What is the Perimeter of the
2 answers
1,487 views
In order to determine the concentration of a solution of Carbonic Acid (H2CO3), a sample was placed in a buret and titrated with
0 answers
672 views
The sum of 26 and a number equals 3 times the number
Have to define a variable ,then write equation
1 answer
488 views
70*20*20
2 answers
296 views
Kyle and Andrew decide to make some money by raking leaves in their neighborhood. The houses in their neighborhood each have
2 answers
717 views
A bat makes contact with a ball 0.8 meters above the ground. The ball then travels with a speed of 22 m/s, moving up. How high
1 answer
722 views
China and Singapore are examples of what type of economies?
2 answers
997 views
Given 800 matches, what is the largest figure in the series(ie what value
of n) that you could construct and how many matches
1 answer
428 views
Hey! I need some help with this question! I totally forget how to do these types of problems!
1 over 2.75 = 1 over 3.2 - 1 over x
1 answer
565 views
Organizational innovation is a planned and direction change intended to
1) get an advantage over the organization's competition
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757 views
Which letter on the number line above represents 6?
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659 views
How is creating a virtual ecosystem similar from the real world?
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437 views
The first 10 miles of a taxi ride for free each additional mile cost $0.45 John takes a taxi ride across town and it's a driver
1 answer
603 views
The number of blocks has nine in the ones place the numbers in the hundreds place is one more than the number in the tens place
4 answers
6,382 views
A farmer has 20 acres to plant in wheat and barley. He has to plant at least 15 acres. Wheat costs $200 per acre to plant and
6 answers
1,886 views
Bakery has bought 250 pounds of muffin dough. They want to make waffles or muffins in half-dozen packs out of it. Half a dozen
1 answer
1,568 views
The first group was responsible for making 160 suits while the second group was responsible for making 25% fewer suits in the
1 answer
3,037 views
A tourist traveled on a motorboat against the current for 25 km. And then returned back on a raft. In the boat the tourist
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620 views
A ship traveled 150 km with the current, and then turned around and traveled back, spending 5h and 30 min on its trip. Find the
7 answers
4,308 views
A train covered the distance of 400 km between A and B at a certain speed. On the way back it covered 2/5 of the distance at
0 answers
725 views
An automobile covered the distance of 240 km between A and B with a certain speed. On its way back, the automobile covered half
2 answers
2,487 views
The units digit of a two-digit positive integer is 4. If the tens digit and units digit of the number are switched, the new
1 answer
606 views
Log base 5 of 16 cubed. Times log base 11 of 6 squared. Equals logx.
2 answers
524 views
identify the initial amount a and the growth factor b in the exponential function g(x)=14*2^x
a=14, b=x a=14, b=2 a=28, b=1 a=28,
1 answer
1,182 views
hi I need help with this. It is a section from the story 'The Sniper' and it is a PEE (Point, Evidence, Explanation) question...
4 answers
1,120 views
How do you find the point of intersection(s) for x = 2y2 + 3y + 1 and 2x + 3y2 = 0
A) You cannot find points of intersections for
1 answer
845 views
If an astronaut with a tool belt accidentally pushed off from the shuttle, how could the tools in the belt be used to return the
1 answer
567 views
What's another way you can write 0.023 (fraction or percent) problem: write 0.023 two different ways
1 answer
666 views
Find two consecutive odd integers such that the square of the larger is one less than twice the square of the smaller.
3 answers
4,357 views
7x-3y=41
2x=-5y Solve using augmented matrix What do i do?
3 answers
497 views
$10,000 invested. part at 3% and part at 6% for a period of 1 year. how much was invested in each account if the interest earned
1 answer
515 views
A candy machine contains 5 times the number of nickels in dimes and is less than 16 the number of quarters. Total value is
1 answer
767 views
90 members of a sport club plays at least one of the game tennis,football and volleyball,10 plays tennis and football,19 play
1 answer
921 views
A river flows at the speed of v from west to east. How should a man who is at a point A of the southern bank of the river, which
1 answer
846 views
what is the ph at 25 degrees Celsius of a solution made by dissolving a 5.00 grain tablet of aspirin in 0.500 litres of water?
0 answers
589 views
Szymon and Chris fly their balloon around the earth in 80 days. Taking the radius of the earth to be 6400 km, calculate their
1 answer
595 views
Write a program that inputs (from the user) the number of hours worked and hourly rate for employees and outputs the total pay.
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774 views
Calculating theoretical yield and percentage yield from preparation of 4-acetoxybenzoic acid from the interaction of
1 answer
914 views
1. Explain in terms of rate laws and/or reaction quotients why the product’s
low solubility favors the forward reaction over
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609 views
What would happen to the peaks on your chromatogram for substances that do not separate?
0 answers
452 views
What would happen to the peaks on your chromatogram for substances that do not separate?
How are transmittance values are
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469 views
How could you use the product of 108 and 4 to find the product of 324 and 4
1 answer
462 views
can you solve expressions that have the same variables, but are in a different order?
For example: 36jkm - 36mjk
1 answer
423 views
Recrystallization Lab
What are the potential consequences of using a spatula to scrape crystals from wet filter paper during
1 answer
551 views
my son was asked to find each product by factoring the tens, and to draw rectangles if needed to on 6x2, 6x20, and 6x200. I'm
2 answers
631 views
Department S had no work in process at the beginning of the period , 18,000 units were started during the period, 2,000 units
1 answer
1,259 views
If the park is 360 meters wide and the tram takes 6 minutes to get to the other side, how fast is it moving?
3 answers
449 views
A length of copper wire is shaped into a single circular loop of circumference 63 cm, similar to that shown in the picture
0 answers
721 views
If switching to fast replenishment compared to holding inventory in a dc (distribution center).
Is this: Operational? Tactical?
0 answers
473 views
What are three common methods for factoring a quadratic equation? Provide the steps for each method and explain why all three
0 answers
1,326 views
If f(5) = 7, then lim f(x)
------------------x-> 5
1 answer
407 views
If f(5) = 7, then lim f(x)
x-> 5
2 answers
382 views
f(x)=xe^-x^2. What interval is this function increasing.
0 answers
385 views
Find the slope of the line and describe how the y-coordinate changes in relation to the x-coordinate.
0 answers
7,843 views
1. How do both employers first cheat their governess?
The employers say they mad a note of the fact that the pay is 30 rubbles a
47 answers
3,660 views
1. A weatherman reports, "the storm waves are about 2 meters high and about 35 meters apart. "what properties of waves is the
1 answer
2,083 views
A racing car travels on a circular track of radius 220 m, moving with a constant linear speed of 48.9 m/s.
Find its angular
1 answer
623 views
How many moles of H2O are in 12.7 grams of H2O?
2 answers
566 views
log(x+2)+log(x-3)=log(x+29)
1 answer
347 views
Calculate the work done on the system when 1.00 mol of gas held behind a piston expands irriversibly from a volume of 10.0dm^3
1 answer
985 views
Revise the following word groups to remove all fragments and/or parallelism errors.
I like baseball because it is fun and teaches
2 answers
633 views
I like baseball, it teaches me about the sport and it’s also fun.
1 answer
530 views
In a perfect competitive market setting,which of the following would be a true statement?
a)market price automatically sets
2 answers
2,299 views
When a monopolist increases sales by one unit
a)more low priced sales caused negative marginal b)every other unit must be sold at
1 answer
1,240 views
A 65.0 kg skier with an initial speed of 11.0 m/s coasts up a 2.50 m high rise as shown in Figure 6.23. Find his final speed at
0 answers
1,120 views
Find the horizontal and vertical asymptotes of the curve.
y = 3x+6/x−7 x= y=
1 answer
702 views
Find the horizontal and vertical asymptotes of the curve.
y = 3x+6/x−7
0 answers
515 views
Find the horizontal and vertical asymptotes of the curve.
y = x^2+5/9x^2−44x−5 x= (smaller x-value) x= (larger x-value) y=
1 answer
1,507 views
The distance from the pole in the center of the tetherball circle to the painted circle is about 6 feet. What was the
1 answer
853 views
?Que pides muchas veces como plato principal?
2 answers
1,151 views
My instructions are to replace "le dîner à mes grands-parents dans" with pronouns in this sentence:
"Alors, nous servons le
2 answers
519 views
A distressed ship is 10 miles south and 8 miles east of a coast guard station.
a) What bearing should the coast guard boat take
1 answer
755 views
the total revenue and the total profit functions (in Ringgit) of a product are given as follows:
total revenue :R(x)= x^3-95-800x
1 answer
709 views
Sorry the full question is: If the third term of a of a geometric sequence is 7, and the 7th term is 16.807, what is the common
2 answers
782 views
if the third term of a geometric sequence is 7, what is the common ratio?
would appreciate if u can show me the working. Thank
1 answer
455 views
A tractor tire has a diameter of 6 feet and is revolving at a rate of 45 rpm. At t=0, a certain point is at height 0. Write an
1 answer
1,252 views
A Ferris wheel makes 3 revolutions per minute. If the diameter is 20 feet, write an equation to describe the height off the
2 answers
648 views
A floating leaf bobs up and down a total of 8 cm. the leaf completes 3 complete cycles in 8 seconds. (Assume equilibrium at
1 answer
496 views
Will Rogers spun a lasso in a vertical cycle. The diameter of the loop was 6 feet, and the loop spun 50 times each minute. If
3 answers
1,140 views
Write an equation with phase shift 0 to represent simple harmonic motion with initial position -1/2, amplitude 1/2, and period
1 answer
600 views
Find the amplitude, frequency, and distance when t=3
a. y=-15cos((pi*t)/3)+5 b. y=120sin100pi*t I think the amp for a. is 15, the
3 answers
457 views
I REALLY need help finding a use of Ethos in "Narrative of The Life of Frederick Douglass, An American Slave", chapter 8.
Do not
9 answers
723 views
if the radius from the discus to the axis of rotation is 1.4m, what is the linear velocity of the discus at the time of release?
1 answer
481 views
I can't find examples in the book as reference. Please help me with these questions and explain why.
1.) Which of the following
2 answers
669 views
Car 1 going northward (direction 90 degrees) at 14 m/s in an SUV weighing 2300 kg. car 2 going southwest (direction 225 degrees)
1 answer
462 views
I really appreciate all that you tutors do for us, I know we may be a bit demanding sometimes XD but we really love how you guys
2 answers
569 views
Maggie makes some fruit punch. She mixes 2 1/2 quarts of grape juice with 1 1/2 quarts of orange juice. One quart of grape juice
2 answers
1,737 views
In the combustion of natural gas according to the equation CH4 + 2 O2 -> CO2 +2 H20, how many grams of water are formed during
1 answer
3,807 views
if a 40 m rope is cut into two pieces in the ratio 3 : 5, how long is each piece?
i tried: x=one piece 3/5 = x/40 x= 3*40/5
9 answers
3,310 views
If a 40 m rope is cut into two pieces in the ratio 3:5, how long is each piece?
I tried it but I checked it and it was wrong,
1 answer
793 views
Plot the titration of a weak base with a strong acid. Show the titration curve using .106M NH3 and .225M HCl for a 50.00mL
2 answers
774 views
1.) Let's say that an an orange is launched upward at 22m/s. What is the displacement 3.5s later?
2.) When a volcano erupts, big
1 answer
670 views
Assume that the batter did not continue to swing the bat after the collision (no energy was added to the system). How fast was
0 answers
491 views
The flask shown here contains 10.0 ml of HCl and a few drops of phenolphthalein indicator. The buret contains 30ml of 0.130M
1 answer
1,321 views
1.) If you use the parent graph y=sqaureroot of x as a reference, how would you graph y=sqaureroot of x+2+5?
a.) Move the parent
1 answer
769 views
Are my answers correct? Thanks!
1.) Based on a survey of a few thousand people, a newspaper reporter wants to draw conclusions
0 answers
730 views
Are my answers correct? Thanks!
1.) Based on a survey of a few thousand people, a newspaper reporter wants to draw conclusions
0 answers
790 views
A plane is flying at an altitude of 12,000 m. From the pilot, the angle of depression to the airport tower is 32°. How far is
3 answers
2,337 views
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