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Questions (246)
A group of twelve people are going to take a ride on a roller coaster at the same time in two different trains, one of which
3 answers
1,608 views
I’m providing answers. 100%
1: Which type of evidence uses The authority on a topic? Expert opinion 2: What evidence would
7 answers
1,257 views
How do you say "if you want to read this..." in French? Would it be "Si vous voulez lire ceci...?"
Thank you for using the Jiskha
1 answer
430 views
I need help with the adjective bien et bon.
How do you know when to use what in a sentance. For Example: Would it be. Maire danse
1 answer
495 views
How do you say "we watched the sunset" in French? Is it "nous avons regardé le coucher du soleil?"
Merci!
3 answers
444 views
How do I find the empirical formula of FeSO4? Thanks!
4 answers
1,537 views
how do i draw a particle model to describe the reaction between sulphur and iron in detail?
4 answers
733 views
what is the 'big idea of energy'???!
1 answer
348 views
assuiming that the calorimeter contains 5.00 * 10^2 g of water and the intial temperature is 30.0 degreddc, what will the final
1 answer
378 views
Advocates of a parliamentary system argue that congress is inefficient, moves slowly, and develops policies laced with
3 answers
438 views
find points on the curve x^2+xy+y^2=7
(a) where the tangen is parallel to the x-axis and (b) wehre the tangent is parallel to
3 answers
511 views
what mass of ethylene glycol C2H6O2 the main component of anitfreeze, must be added to 10.0L water to produce a solution for use
6 answers
1,160 views
A 50.0g piece of iron an 152°C is dropped into 20.0g H2O(l) at 89°C in an open, thermally insulated container. How much water
3 answers
2,639 views
What is the total mass of a solution prepared by dissolving 4.00 of in 1.00 of water?
1 answer
375 views
For the reaction
I_2(s)+Cl_2(g) ==> 2ICl(g) ÄH= 36kJ, ÄS= 158.8J/K at 25° C. Calculate the temperature at which Keq is
1 answer
348 views
The manufacturer of a propeller for a small aircraft mandates a maximum operating angular velocity of 300 rad/s. Determine
1 answer
546 views
In a double-stranded fragment of DNA, which of the base pairs would you expect to be most stable
1 answer
486 views
Would someone be willing to proofread my essay? It's supposed to be from the point of view of Pablo Picasso.
Yo nací el 25 de
5 answers
610 views
The London Eye is a large ferris wheel. Each sealed and air-conditioned passenger capsule holds about 25 passengers. The
3 answers
5,365 views
Show that tanx= (sinx/ cosx)
can be written as: tan(x-y) = (tanx - tany) / (1+ tanxtany)
2 answers
648 views
Prove that:
2sinxsiny = cos(x-y) - cos(x+y)
4 answers
1,828 views
What is the exact value for sin5pi / 12 ?
1 answer
391 views
Show that tanx = sinx / cosx
can be written as tan(x+y) = (tanx + tany) / (1 - tanxtany)
2 answers
551 views
A painted dot on the circumference of the wheel is 12cm from the centre of rotation of the wheel. How far does the dot travel in
2 answers
545 views
Determine approximate solutions for this equation in the interval x is all real numbers [0, 2pi), to the nearest hundredth of a
3 answers
1,543 views
Solve 2tan^2x + 1 = 0
Interval : [0, 2 pi]
1 answer
481 views
Solve 3sin2x - 1 = 0
Interval: [0, 2 pi] Solve 6cos^2x + 5cosx - 6 = 0
3 answers
2,092 views
The height, h, in metres, above the ground of a rider on a Ferris wheel can be modelled by the equation:
h= 10 sin ((pi/15 t) -
4 answers
asked by
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5,080 views
The vertical position, h, in metres, of a gondola on a Ferris wheel is modelled using the function
h = 10 sin ((pi/15) (t-d)) +
3 answers
2,431 views
How bright a star appears can depend on how much light the star actually emits and how far away it is. The stellar magnitude
1 answer
1,070 views
Something is rotten in the state of Denmark. (I.iv.90)
Using two different literary devices, prove or refute the quotation above.
4 answers
1,158 views
solve
2.84 = (1 + x ) ^ 12
3 answers
345 views
solve
(sq.rt 2) (tanx)(cosx) = tanx
3 answers
486 views
Tidal forces are greatest when the Eaetg, the sun and the moon are in line. When this occurs at the Annapolis Tidal Generating
3 answers
869 views
Estimate the instantaneous rate of change for x=2 for
y=x y=x^2 y=7
2 answers
757 views
Estimate the instantaneous rate of change for x=2 for
y=x y=x^2 y=7
1 answer
366 views
Deternime the instantaneous rate of change at x=2 for:
y=x-2x^3
2 answers
1,043 views
Solve for x:
1. 2sin(2x)+cos(x)=0 2. cos(2x)=-2sin(x) 3. tan(x)=2sin(x)
2 answers
531 views
the velocity of the water jet discharging from the orifice can be obtained from v = (2gh)^(1/2), where h = 2m is the depth of
4 answers
5,739 views
four of every seven teenagers would prefer to watch a comedy when going to the movies
1 answer
337 views
1. Which sentence describes setting?
As much as it saddened her, the first thing Nan had to do was leave her beloved family home.
1 answer
436 views
4. Read the following passage from “The People Could Fly”:
The slaves labored in the fields from sunup to sundown. The owner
7 answers
557 views
What is the fundamental difference between lifestyle branding and past forms of branding?
1 answer
619 views
how do you think globalization relates to the kind of large multinational corporations?
4 answers
390 views
what is the difference in older forms of corporate censorship and how it looks today?
1 answer
323 views
WHAT IS 32X14+_=689
5 answers
365 views
A car does 8.0 ✕ 104 J of work in traveling 2.7 km at constant speed. What was the average retarding force (from all sources)
4 answers
940 views
What is the minimum work needed to push a 1025 kg car 290 m up a 17.5° incline with zero friction?
2 answers
569 views
The Eiffel Tower is 300 m tall. When you are standing at a certain place in Paris, it subtends an angle of 7.0°. How far are
3 answers
1,875 views
How fast (in rpm) must a centrifuge rotate if a particle 6.0 cm from the axis of rotation is to experience an acceleration of
2 answers
873 views
A centrifuge rotor rotating at 12000 rpm is shut off and is eventually brought to rest by a frictional torque of 1.50 m·N. If
3 answers
1,486 views
In an experiment, 95.0 mL of 0.225 M silver nitrate was mixed rapidly with 47.5 mL of 0.225 M calcium chloride in a coffee cup
3 answers
2,038 views
A fireplace arch is to be constructed in form of a semiellipse. The opening is to have a height of 2 feet at the center and a
7 answers
18,788 views
Aiden uses 1/4 of the water in a bucket to water 1 plotted plant.How many plotted plants can Aiden water with 3 full buckets of
2 answers
612 views
Which of the following were actions that motivated Radical Republicans to seek the impeachment of President Johnson? Select the
14 answers
8,655 views
To vaporize 2.00 g of ammonia 656 calories are required. How many kilojoules are required to vaporize the same mass of ammonia?
2 answers
63 views
Which one of these systems has the most negative charge?
a) 2 electrons b) 2 electrons, 2 protons c) 5 electrons d) 5 electrons,
2 answers
62 views
A negatively charged plastic comb is brought close to, but does not touch, a small piece of paper. If the comb and the paper are
2 answers
54 views
A negatively charged plastic comb is brought close to, but does not touch, a small piece of paper. If the comb and the paper are
4 answers
60 views
A glass rod becomes positively charged when it is rubbed with silk. This net
positive charge accumulates because the glass rod
2 answers
57 views
Electrostatic force F exists between two point charges. If the both charges are doubled, the force between the charges will be
F
2 answers
49 views
Two similar metal spheres, A and B, have charges of +2.0 x 10-6 coulomb and +1.0 x 10-6 coulomb, respectively. The magnitude of
2 answers
56 views
What is the current produced by a 9-volt battery flowing through a resistance of 0.2 ohms?
a)1.8 A b)45 A c)0.022 A d)8.8 A
4 answers
66 views
The function of a generator is to change_____________
chemical energy to electrical energy mechanical energy to electrical energy
2 answers
48 views
A motor has a current of 2.00 A flowing through it when it is powered with a
12-volt battery. What is the power used by the
2 answers
52 views
When a rubber rod is rubbed with rabbit fur, the rod becomes?
a) negative b) positive c) no charge d) cannot be determined
2 answers
52 views
If C is the capacitance in Farads, ϵ permittivity of the dielectric, A is the area of plate overlap in square meters and d is
2 answers
43 views
Which of the following simplifies to the same expression as 4x2−3x2+5x−24 ?(1 point)
Responses 4x(x−6) 4 x left parenthesis
2 answers
102 views
Add the polynomial expressions 5z−2z2−4z+5
and 6z2+3−7z .(1 point) Responses 9z2−11z+8 9 z squared minus 11 z plus 8
2 answers
62 views
Add the polynomial expressions 5z−2z2−4z+5 and 6z2+3−7z
.(1 point) Responses 9z2−11z+8 9 z squared minus 11 z plus 8
4 answers
79 views
We all know the expression “to change your mind”. But is it possible literally to change your mind – or, to be more
2 answers
60 views
What is the closest synonym for the word "precise"?
Vague Accurate Ambiguous
2 answers
70 views
Which of the following individuals is most likely to be a neuroscientist?
A firefighter. A florist. A professor specializing in
2 answers
37 views
What are "toxins"?
Harmless substances found in nature. Beneficial chemicals essential for human health. Harmful substances that
2 answers
68 views
Combine the parts of the words to make the correct term.
Leuk/o + emia = ?
2 answers
52 views
Combine the parts of the words to make the correct term.
Arthr/o + itis =
2 answers
55 views
Combine the parts of the words to make the correct term
Neur/o + pathy =
2 answers
49 views
Combine the parts of the words to make the correct term
Osteo/por/o + sis =?
2 answers
60 views
List five commonly used operating systems.
2 answers
42 views
List three application software and three systems software.
a. Application software
2 answers
50 views
3) List all the main functions of an operating system.
2 answers
38 views
Summarize what do you know about CPU scheduling using simple words.
2 answers
45 views
Examples on CPU scheduling process
2 answers
55 views
What is the difference between burst time and arrival time in simple words
2 answers
51 views
Choose the option that represents all solutions to the given equation.
2√3(cos) sin x-4 sin2x+2√3 cos X-4=0. 1)3π x= +2 nm
2 answers
50 views
When a 360 g piece of ole288 of cold water in a is placed in 42528831% the temperature of the alloy decreases by 205°C, while
2 answers
28 views
W=0.40
X=0.60 Y=0.24 Z=0.90 6. A 100.0 gram sample of an unknown metal at a temperature of 75°C is dropped into a polystyrene
2 answers
64 views
Which of the following phase changes involves the transfer of heat from the surroundings to the system?
a)CH4(g) → CH4(4),
2 answers
53 views
Hot packs and cold packs are used to heat and cool parts of the body.
What are the signs of the standard enthalpy changes of
2 answers
60 views
As shown in the figure, charge 1 is 3.94 µC and is located at x₁ = -4.7 m, and charge 2 is 6.14 µC and is at x2 = 12.2 m.
2 answers
52 views
A positive charge q₁ = 1.00 μC is fixed at the origin, and a second charge q2=-2.00 μC is fixed at x = 10.0 cm. Where along
2 answers
58 views
charge 1 is 3.94 µC and is located at x₁ = -4.7 m, and charge 2 is 6.14 µC and is at x2 = 12.2 m. What is the x-coordinate
2 answers
38 views
find the average rate of the function over the given interval
y = x ^ 2 + 4x, [3, 8]
2 answers
45 views
Two balls have the same mass of 0.681 kg and identical charges of 18.0 μC.They hang from the ceiling on strings of identical
2 answers
52 views
two identical positively charged balls hanging from the ceiling by insulated massless ropes of equal length /. What is the
2 answers
55 views
two identical positively charged balls hanging from the ceiling by insulated massless ropes of equal length /. What is the
2 answers
69 views
two identical positively charged balls hanging from the ceiling by insulated massless ropes of equal length /. What is the
2 answers
46 views
Three charged particles lie along the y-axis, as shown in the image on the right. The charge of each particle is as follows: 20C
2 answers
42 views
What is the memory capacity of your mobile / Laptop the device you use everyday life ?
2 answers
39 views
what are RAM and ROM and what is the difference between the two?
in simple world
2 answers
54 views
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