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Caleb
Questions and answers by visitors named
Caleb
Questions (135)
Simplify the trigonometric expression.
sin^2 theta / 1-cos theta A. 1+cos theta B. sin theta C. 1-sin theta / cos theta D. 1+sin
6 answers
8,772 views
In this course,you studied literary works from the romantic period,the Victorian era,and the modern era.Describe the common
9 answers
3,922 views
Write an equation for the translation of y=5/x that has the asymptotes x=6 and y=7.
7 answers
11,731 views
What are the period and amplitude of the function y=2sin4 theta?
A. pi/2 and 2 B. pi and 4 C. pi/2 and 4 D. pi/2 and 1 I think
4 answers
3,901 views
What is the theoretical probability of rolling a sum of 6 on one roll of two standard number cubes?
A. 1/9 B. 5/36 C. 1/12 D. 1/6
7 answers
5,446 views
Which cosine function has maximum of 4, a minimum of -4, and a period of 2pi/3?
A. y=4 cos 3 theta B. y= 4 cos 2 theta/3 C. y=4
6 answers
5,780 views
Cathy budgets 23% of her income for housing and 21% of her income
for food. If she earns $18,000 per year, how much must she
4 answers
894 views
If 455-ml of 6.0 M HNO3 is used to make a 2.5 L dilution,what is the molarity of the dilution?
4 answers
4,843 views
Need a word to fit the following definition. Patterns of beats by which music is measured.
Rhythm? No. I'm doing a crossword
1 answer
587 views
Why is the image distance equal to the focal length when the object is a very great distance from a simple thin converging lens?
1 answer
540 views
Is it impossible to polarize a longitudinal wave? Explain.
Longitudinal waves are polarized in the direction of propagation, they
1 answer
471 views
Why is it desirable to use monochromatic light when studying polarization by reflection?
It is desirable to reduce the number of
1 answer
405 views
Is a small or large decay constant best for protection against gamma radiation? Hint: Calculate half thickness.
Example: Decay
1 answer
426 views
I can't find the formula for the sides of a polygon vs. the total diagonals that it has! ex: 3 sided polygon, 0 diagonals, 4
1 answer
658 views
128 is what percent of 640?
3.4 is what percent of 5? 15 is what percent of 120?
2 answers
937 views
Why is it easier to remove excess acetic acid from isopentyl acetate than excess isopentyl alcohol?
Sodium Bicarbonate is added
3 answers
3,060 views
Please help!
Jack has a mixed fruit pie. There is a variety of fruits (17,3,28,4,89,67,2), how many times will Jack have to stick
1 answer
408 views
I need an overview of the lion king that tells about the heroes journy such as his call to adventure, crossing the threshold,
1 answer
432 views
A sample of isoborneol prepared by reduction of camphor was analyzed by IR and showed a band at 1750 cm-1. This result was
4 answers
1,621 views
How do you name the products?
2-ethyl-1,3-hexanediol is oxidized. One option is that the primary alcohol is oxidized, but not the
5 answers
2,543 views
1,4-Diphenyl-1,3-butadiene was synthesied using cinnamaldehyde, K3PO4, and benzyltriphenylphosphonium chloride.
In addition to
4 answers
1,877 views
How would you solve this math equation?
this is really confusing to me. Ms.Martin was researching the costs of financing $125,000
2 answers
655 views
A toy manufacturer is introducing two new dolls, My First Baby and My Real Baby. In one hour, the company can produce 8 First
4 answers
1,851 views
I am doing the amount of permutations in the word trigonometry. For the expression, I wrote 12!/2!2!2!. I got 968003200. Is this
1 answer
390 views
I am supposed to find the equation for the boundary lines, using the points 0,4 and 3,5. I got 5-4/3-0, which plugged into
1 answer
288 views
describe the effect of cyanide and arsenic on cellular repiration. Include the effect of these poisons on the electron transport
2 answers
551 views
I have to find the area of a circle. It says to round to the nearest unit, but I'm confused about what unit it is talking about.
4 answers
354 views
According to the principle of electrical neutrality, a water sample must have the same number of anions and cations. Assuming
2 answers
523 views
When I'm rounded to the nearest ten, I'm 60. The digit in my ones' place is 2 more than the digit in my tens' place. Who am I?
12 answers
502 views
A soccer player launches a ball at an angle of 40 degrees, with an initial velocity of 23 m/s. What are the horizantal and
1 answer
338 views
How do you calculate displacement and distance and velocity? (science)
2 answers
758 views
How do you calculate the slope of a line?
2 answers
1,038 views
Use implicit differentiation to find an equation
of the tangent line to the curve y^2 = x^3 (26 − x) at the point (1, 5).
2 answers
629 views
Use implicit differentiation to find an equation
of the tangent line to the curve y^2 = x^3 (26 − x) at the point (1, 5).
2 answers
573 views
I need help figuring out simple interest and the balance of an account. Example P = $525, r = 6%, t + 9 years
1 answer
608 views
I need help figuring out simple interest and the balance of an account. Example P = $525, r = 6%, t + 9 years
3 answers
360 views
-2/9 x 2 1/4
1 answer
181 views
Find the derivative of (ln(tan(x))/3pi
3 answers
422 views
What is the best way for me to learn more about airport operations??
2 answers
541 views
If the two protons and the are all at rest after the collision, find the initial speed of the protons.
1 answer
443 views
Every glass window pane has two surfaces that reflect some light as it passes through; why doesn't interference effects show up
1 answer
378 views
For Nina's illness her doctor gives her a prescription for 28 pills. The doctor says that she should take 4 pills the first day
4 answers
1,468 views
I have prealgebra with order of operations with a line dividor with a fraction line/divider. It says: 94-6
____ 66(divided by) 6
2 answers
188 views
One day we decidid to drive from town A to town D.In order to get there,we had to drive through town B and C.It is ten miles
2 answers
547 views
There will be 24 people all together at george's birthday party.He wants to serve his grandmother's special fruit punch. His
3 answers
568 views
You are driving a 2570.0-kg car at a constant speed of 14.0 m/s along a wet, but straight, level road. As you approach an
3 answers
504 views
A 1.31-kg block slides across a rough surface such that it slows down with an acceleration of 1.39 m/s2. What is the coefficient
2 answers
722 views
You are driving a 2570.0-kg car at a constant speed of 14.0 m/s along a wet, but straight, level road. As you approach an
3 answers
593 views
A 225-kg crate is pushed horizontally with a force of 690 N. If the coefficient of friction is 0.20, calculate the acceleration
1 answer
632 views
You are driving a 2570.0-kg car at a constant speed of 14.0 m/s along a wet, but straight, level road. As you approach an
1 answer
1,073 views
Down is to dive as up is to ____________?
4 answers
188 views
Early skeptics of the idea of a rotating Earth said that the fast spin of Earth would throw people at the equator into space.
1 answer
1,043 views
A baseball is hit 1.3 m above home plate. The bat sends it off at an angle of 30 degrees above the horizontal at a speed of 45.0
3 answers
1,330 views
A shoe flung into the air such that at the end of 2.0 m/s it is at its maximum height moving at 6.0 m/s. How far away will it be
5 answers
531 views
While standing on an open bed of a truck moving at 35 m/s, and archer sees a duck flying directly overhead. The archer shoots an
6 answers
3,339 views
A projectile is fired such that the vertical component of its velocity is 49 m/s. The horizontal component of its velocity is 60
2 answers
740 views
A 2563-kg van runs into the back of a 826-kg compact car at rest. They move off together at 8.5 m/s. Assuming the friction with
1 answer
462 views
You need to move a 128-kg sofa to a different location in the room. It takes a force of 99 N to start it moving. What is the
2 answers
1,125 views
Any person currently in --i- cannot vote. What is the blank word? Thanks.
4 answers
616 views
People who believe voting is important have high political ----c-c-. What's the missing word? Thanks.
2 answers
815 views
The first American voters were only white, male ---------s. What is the blank word?
1 answer
379 views
I have no idea how to do this, and nobody in my family knows how to either.
I have to determine the domain of the following
2 answers
803 views
If 10.11 g of limestone decomposes by heat to give 8.51 g of solid calcium oxide and carbon dioxide gas, what is the mass of
3 answers
1,381 views
Find two numbers the exact answer is between 6x7,381
10 answers
5,167 views
Write an equation in slope-intercept form, point-slope, or standard form for the line with the given information. Explain why
4 answers
2,144 views
Write the equation of the line in standard form:
(-3, 6); m = 1/2 (1, 0) & (-5, 3) (-5, -5) & (-1, 3)
3 answers
552 views
what would be the molality of a solution if 71g of Cl2 were added to 400 mL of acetone (D=0.788 g/mL)
1 answer
340 views
A plane is flying at a height of 1000 feet. A passenger on the plane sees a tree and realizes the angle of depression to the top
2 answers
538 views
What is the 20th term of the sequence that begins -2,4,-8,16.....?
3 answers
1,470 views
In the sentence below, identify the adverb clause, subordinating conjunction, and the word(s) modified.
Colleen went to bed early
2 answers
770 views
Compare the similarities and differences of the principles of communication you learned in Week One with the major components of
2 answers
540 views
A quadratic function has its vertex at the point (-5,-2). The function passes through the point (-8,-10). Find the quadratic and
3 answers
1,637 views
A body of weight 150N is supported by a thin cord attached to a point in the ceiling. Another cord is attachedto the weight and
4 answers
1,219 views
The work W0 accelerates a car from 0 to 20 km/h. How much work (in terms of W0) is required to accelerate the car from 20 km/h
2 answers
642 views
Initially sliding with a speed of 2.5 m/s, a 2.0 kg block collides with a spring and compresses it 0.35 m before coming to rest.
3 answers
810 views
A solid cylinder is pivoted at its center about
a frictionless axle. A force is applied to the outer radius of 1.27 m at an angle
1 answer
635 views
A solid cylinder is pivoted at its center about
a frictionless axle. A force is applied to the outer radius of 1.27 m at an angle
1 answer
825 views
Determine the cost of a taxi trip of 9 2/3 miles if the fare is $1.10 for the first 1/6 mile and $.20 for each additional 1/6
4 answers
1,310 views
Carl borroowed $2,500 for six months at an annual interest rate of 11%. How much must he repay at the end of six months?
a. $275
4 answers
735 views
Rad makes six payments a year of $175.50 for his auto insurance. How much must he budget weekly to cover this fixed expense?
a.
4 answers
717 views
Zoe's gross income is $16,960. His medical expenses for the year amounted to $812.35. If he can deduct only the amount over 7
2 answers
848 views
Ed borrowed 1,500 for 4 months at 13.5 %. How much did he have to pay back under an add-on plan?
2 answers
490 views
A is a solution of hcl containing 7.30gdm^-3 and B is a solution of X2CO3 containing 10.6gdm^-3.calculate the concentration of A
4 answers
748 views
I was hoping that someone could prof read my essay and check for proper uses of words, grammar, spelling, and conjugations of
7 answers
560 views
I was hoping that I could get some to look my essay and tell me the proper tenses of the verbs. In the first paragraph the
7 answers
774 views
A shell is fired from the ground with an initial speed of 1.62 ✕ 103 m/s at an initial angle of 58° to the horizontal.
(a)
3 answers
549 views
Mr. Wright has a class of 15 students. He can spend $23 on each student to buy math supplies for the year. He first buys all of
2 answers
526 views
A line passes through the point 10,−1 and has a slope of 3/2.
Write an equation in slope-intercept form for this line.
4 answers
1,742 views
The Articles of Confederation and the US Constitution are the two documents
under which American has been governed since 1781.
2 answers
548 views
The perimeter of the rectangle below is
74 units. Find the length of side AB . Write your answer without variables. DC (top) 4z-1
13 answers
41,328 views
Who was the first person to receive a patent?
Benjamin Franklin Jacob Perkins Samuel Perkins ** John Calhoun
4 answers
424 views
What was George Washington Plunkitt’s position in the governance of New York City.
1 answer
399 views
The time it takes to cover the distance between two cities by car varies inversely with the speed of the car. The trip takes 15
4 answers
857 views
Calculate the boiling temperature of a 0.50 M solution of sucrose. Assume that the concentration is 0.50 m.
2 answers
496 views
Jennifer flipped a pair of coins 60 times. On 24 occasions, heads appeared on both coins. How is this outcome different from the
3 answers
919 views
The initial temperature of a bomb calorimeter is 28.50°C. When a chemist carries out a reaction in this calorimeter, its
3 answers
816 views
A sphere of radius 0.500 m, temperature 25.7°C, and emissivity 0.915 is isolated in an environment of temperature 77.0°C.
At
1 answer
493 views
0.0045 M HNO3 calculate the H3O concentration
2 answers
681 views
Knowing the milk of magnesia contains 8 g% of Mg (OH) 2, we used 1 g milk of magnesia and added 50 mL of 0.100 M HCl, determine
2 answers
525 views
The volume of a gas is 450 mL when its pressure is 1.00 atm. If the temperature of the gas does not change, what is the pressure
5 answers
1,453 views
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