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jim
Questions and answers by visitors named
jim
Questions (329)
a parking lot charges $1.50 for the first hour of parking and 55 cents for each additional half hour how much would it cost to
6 answers
5,025 views
Which of the following can be said about the powers of the federal government as compared to the powers of the state
88 answers
asked by
jim
5,367 views
a kite currently flying at an altitude of 16 meters above the ground. If the angle of elevation from the ground to the kite is
5 answers
3,041 views
4. Why will the leaves of a red rose be warmed more than the petals when illuminated with red light? How does this relate to
4 answers
2,070 views
As shown below, a bullet of mass m and speed v passes completely through a pendulum bob of mass M. The bullet emerges with a
3 answers
4,973 views
simplify -15r^0/30p^-2
if that's (30p)^-2 then the answer is 30p^2 if it's 30(p^-2), then the answer is (p^2)/30 don't forget
1 answer
506 views
simplify 12b^-6/3a^0
you should read my notes on "rob"'s questions if you're not the same person. lol if that's 12(b^-6), then
1 answer
859 views
simplify u^3wz^-3
(u^3)/((w^3)*(z^3))
1 answer
323 views
simplify -cd^-4e^-1
okay rob or jim. read my math tip notes, okay? otherwise you'll do poorly on your quizzes. :) if you meant
1 answer
518 views
simplify -cd^-4e^-1
please specify parentheses or at least separate them so i know which groups fall under which exponents.
1 answer
365 views
simplify 35(21^-1)
21^-1 = 1 / (21^1)
1 answer
294 views
simplify square root of 116
rt(116) = rt(4*29) = 2rt(29) i need help with my algebra homework
1 answer
410 views
simplify radicals square root of 132
132^1/2= (4*33)^1/2= 4^1/2 * 33^1/2 = 2 * 33^1/2 or 2 sqrt33
1 answer
383 views
simplify square root of 3^7
t 3^7= (3^7)^1/2= 3^(7/2) = 3^(3 1/2)=27*3^1/2=27 sqrt3
1 answer
374 views
simplify - square root of 48x^3y^2
Your problem: √48x^3y^2 Try to break it down as far as you can in order to simplify. √(16
1 answer
872 views
simplify square root of 27r^5
Your problem: √27r^5 Try to break this down as far as you can to simplify. √(9 * 3)(r^4 * r)
1 answer
437 views
simplify square root of 5^6
okay lets say this: the square root of 9 is three because 3*3=9. just like four is 2 because 2*=4 so
1 answer
355 views
simplify square 48/square6
square root(48) is the same as sq root (8) x sq root(6). So, sq root (6) cancel, and you're left with
1 answer
429 views
simplify (square5)(square2)
I don't know if you mean square root, or square. Here is square: 5^2 * 2^2= 25*4 =100 How about
1 answer
374 views
these must be written as a single trig expression, in the form sin ax or cos bx.
a)2 sin 4x cos4x b)2 cos^2 3x-1 c)1-2 sin^2 4x I
2 answers
615 views
y^2=8(x-3)
how would you get the coordinates. vertex = 3,0 then what? let x=1, or -1, and solve for y. This is a parabola, if you
1 answer
411 views
A 0.200 kg croquet ball makes an elastic head-on collision with a second ball initially at rest. The second ball moves off with
1 answer
785 views
when pure sodium hydroxide is dissolved in water , heat is evolved in a laboratory experiment measure a molar heat of solution
4 answers
1,773 views
Can someone show me how to solve this?The measure of an angle is 20 less than 3 times its supplement. Find the measure of the
1 answer
1,061 views
What consititutes an ideal learning enviorment?
I would say whatever you are most comfortable with. I like distance learning
2 answers
545 views
1000000 uL = ?L
1 answer
335 views
You invest 3400 into account earning simple intrest. The balance is 4624 after 8 years. What is rate of intrest?
3 answers
426 views
2. Why is red paint red
1 answer
280 views
6. Why do we not list black and white as colors?
1 answer
386 views
8. Fire engines used to be red. Yellow-green is now the preferred color. Why the change?
2 answers
1,084 views
show how to solve these problems:
1. 6x - y = -4 2x + 2y = 15 answer:x = 1/2 y = 7 2. x +y = 1 x = -1/3 2x - y = -2 y = 4/3 3. x
2 answers
684 views
What is the refrain in Sir Patrick Spens, the Wife of Ushers Well, and the Bonny Earl of Murray?
3 answers
625 views
1 kilometer =
1 answer
241 views
features that define the performance of a system are called what?
1 answer
264 views
what lives in a stable
3 answers
259 views
what is government in french? thanks, you will help me with my dissertation greatly xx
1 answer
283 views
The market allocates capital to companies based on:
1 answer
421 views
You are planning to make an open-top box from an 12 in by 12 in piece of cardboard
by cutting congruent squares from the corners
1 answer
423 views
A rectangle has its base on the x-axis and its upper two vertices on the parabola
y=12−x2 . What is the largest area that the
3 answers
2,413 views
Let's plant a tree by Mr. Olsons fence.
is that a sentence
1 answer
224 views
one syllable
inside, many, friend
7 answers
159 views
My room is a mess. Mom said, "I have to clean it now."
10 answers
264 views
Controlling Irrational Fears After 9/11*
We present this selection as an example of a fairly well-reasoned argumentative essay.
3 answers
447 views
9/14divided by 15/28
1 answer
219 views
Calculate the number of moles of Ca(OH)2
(aq) needed to react completely with 125 mL of 6.00 M HCl(aq). It doesnt give any
1 answer
468 views
if you round the number to the tens place, it is 460
if you round the number to the hundreds, it is 500 could the number be 468
3 answers
253 views
If a woman hasa mass of 50
kg calculate her weight in neutons
4 answers
413 views
calculate the acceleration of a 2000kg single -engine airplane just before takeoff when the thrust of
the airplane ia 500N Using
1 answer
399 views
calculate the force of a 300,00 kg jumbo jet that is accelerating 0.4m/square just before takeoff
1 answer
388 views
In the Crucible what epithet did Proctor fear was fraudulent?
2 answers
651 views
In the Crucible what epithet did Giles Corey avoid by remaining silent?
2 answers
1,098 views
Some argue that translation gains or loses are not important so long as they have not been realized and are only accounting
1 answer
726 views
What is the number of the highest harmonic that could be heard by a person who is capable of hearing frequencies up to 1.00×104
1 answer
409 views
(2x-3)(4x squared-x-10)=8x cubed-14 squared+Bx=30
1 answer
333 views
9 over y + 2 over 5 + 3 over 5y
1 answer
221 views
what is 907.457 rounded to the nearest tens place? How to get the answer.
2 answers
1,162 views
You are trying to overhear a juicy conversation, but from your distance of 16.0 , it sounds like only an average whisper of 20.0
4 answers
925 views
Find the inverse function of F(x) = 2 arccosx
F-1(x)=
1 answer
308 views
A gardener measures the tallest of his prize-winning sunflowers and finds that the height is 60 in. The sunflower was 52 in.
5 answers
1,612 views
Which of the following is a weak acid?
A)HN03 B)H3P04 C)NH3 D)C03^2- E)OH
3 answers
743 views
Which compound has a value of Ka that is close to 10^-5?
A)NaCl B)HN03 C)CH3CH2C02H D)KOH E)NH3
2 answers
957 views
What is the pH of a solution in which [H30+] = 1.2 x 10^-3 M?
A)1.20 B)2.92 C)11.08 D)12.80 E)8.33 x 10-12
3 answers
576 views
Which product is formed by beta emission from phosphorus -32? The atomic number of phosphorus is 15.
A)28 Al 13 B)30 Al 13 C)32 S
3 answers
2,351 views
9). Hooke’s Law. The distance d when a spring is stretched by a hanging object varies directly as the weight w of the object.
3 answers
1,485 views
Rachel allows herself 1 hour to reach a sale appointment 50 mile s away. After she has driven 30 miles, she realizes that she
1 answer
456 views
How many sig figs does tan^-1(9/7) have?
1 answer
435 views
(sin(47))^2 + (cos(43))^2 =
With the correct number of significant figures.
1 answer
414 views
The probability that patient recovers from a delicate heart operation is 0.9. What is the probability that exactly 5 of the next
4 answers
1,326 views
Of all 40-year-old women, 1% have breast cancer. If a woman has breast cancer, a mammogram will give a positive indication for
1 answer
433 views
The life of a certain type of device has an advertised failure of rate .01 per hour. The failure rate is constant and the
1 answer
928 views
A model rocket is launched straight upward with an initial speed of 60.0 m/s. It accelerates with a constant upward acceleration
1 answer
478 views
express in as simple a form as posible??
(2x^3y^-1)^3
1 answer
420 views
A boat takes 2 hours to travel 30 km down a river, then 6.5 hours to return. How fast is the river flowing?
2 answers
849 views
ive got quite far but im stuck, can you go through each stage so i can check.
simultaneous equation with surds 5x-3y=41
4 answers
446 views
The slope of the tangent line to the parabola y=3x^2+6x+5 at the point (-3,14)
1 answer
635 views
kevin has a rabbit, a ferret, a gerbel and a turtle. He feeds them in a different different order each day. In how many
2 answers
239 views
A crate of mass m = 230 kg is pushed at constant speed up the frictionless ramp (θ = 29.0°) by a horizontal force F. What is
2 answers
603 views
In a fully random distribution, we can determine the most probable state from what two quantities?
Answer a. The number of
1 answer
471 views
If 250 moles of gas are compressed to 0.75 of an original volume at a constant temperature or 295 K, how much heat must have
1 answer
357 views
If we apply 300 kJ of heat to 2500 moles of air at constant pressure, what is the change in internal energy?
Answer a. 214 kJ. b.
1 answer
310 views
Consider three layers of a wall. The first layer is plaster 1.0 cm thick (R = 0.033 SI units), the second layer is fiberglass
2 answers
556 views
The natural greenhouse effect raises the surface temperature at the surface of the Earth by about 20 or 40 k?
1 answer
336 views
Since the industrial revolution, the Earth's average surface temperature has
Answer a. risen about 1 K. b. has risen about 3 K.
1 answer
343 views
What dominant mode of heat transport exchanges heat from food in the refrigerator to the cooling coils?
1 answer
330 views
Doing work on a gas always implies
Answer a. adding internal energy. b. adding heat. c. changing the volume. d. adding potential.
1 answer
519 views
How is entropy calculated in the general case?
Answer a. By determining the amount of heat absorbed. b. By multiplying P times
1 answer
445 views
0.5 mol of salt (NaCl) is dissolved in 4.5 mol of water. What is the increase in entropy?
Answer a. 13.5 J/K b. 84 J/K. c. 9.8
1 answer
386 views
Why is there a minus sign in the formula Δp/Δt = −ΔEP/Δs?
Answer a. Objects are accelerated to higher
1 answer
420 views
What does the concentration of field lines represent?
Answer a. The direction that a positive test charge will be pushed. b. The
1 answer
364 views
What does the concentration of field lines represent?
Answer a. The direction that a positive test charge will be pushed. b. The
1 answer
389 views
What is the quantum particle of the electric field?
Answer a. The proton. b. The electron. c. The photon. d. The neutron.
1 answer
393 views
A crate of mass m = 230 kg is pushed at constant speed up the frictionless ramp (θ = 29.0°) by a horizontal force F. What is
4 answers
692 views
36z^2 -49
3 answers
327 views
find the dimensions of a rectangle with a perimeter of 780m if the length is 15 more than 4 times the width.
1 answer
437 views
Given ∠ABC, if m∠A=11x, ∠B = 3x + 4, and m∠C = x - 4, find the measure of each angle.
1 answer
362 views
let A=(3 x)
(-2 -3) if A=A^-1, what is x? please show work so i can understand
3 answers
269 views
A square martix A is said to be idempotent if A=A^2. The only real numbers that are idempotent are 1 and 0, but this is not true
1 answer
417 views
Write a 200- to 300-word description of a business scenario, either real or fictional, that depicts each of the following forms
2 answers
510 views
A weightlifter performing a curl with a 320 N barbell stops the lifting motion with his forearms
in a horizontal position. (a) If
1 answer
1,001 views
Suppose that you were head of a family planning agency in India. How would you design a scientific study to determine the
2 answers
940 views
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