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Amelia

Questions (143)

what is 543 x 67 =______
1. 5 answers
2. 28 views
are you dum or something
1. 1 answer
2. 21 views
Why do restaurants wash their dishes with hot water?(1 point)Responses Hot water has more potential energy than cold water so it
1. 11 answers
2. 1,916 views
What happens when two substances with different temperatures come into contact?(1 point)Responses Potential energy is
1. 1 answer
2. 355 views
Which scenario correctly illustrates heat?(1 point)Responses cold person gets even colder when they sit in a sauna with a
1. 1 answer
2. 266 views
Use the diagram to identify a segment parallel to CF.1. DG 2. AD 3. DC 4. AB
1. 2 answers
2. 184 views
Which is a set of collinear points?1. G, H, I 2. L, H, I 3. G, H, J 4. G, I, J
1. 1 answer
2. 198 views
Which is a set of collinear points?1. ___= G, H, I 2. ____= L, H, I 3._____= G, H, J 4. _____= G, I, J
1. 1 answer
2. 96 views
take two hundred and fourteen from three hundred and thirty-nine
1. 2 answers
2. 128 views
Line GI bisects angle DGH so that m angle DGI is x-3 and m angle IGH is 2x-13. Fine the value of X
1. 1 answer
2. 144 views
Find the quotient of 3/5 and 2/3Give your answer as fraction in its simplest form.
1. 1 answer
2. 228 views
what shape garden could Mr.brown create
1. 3 answers
2. 248 views
If n (U) = 16, n (A) = 7 and n (B) = 12, Find:a) n (A') b) n (B') c) greatest n (A n B) d) least n (AUB)
1. 6 answers
2. 1,137 views
I NEED TO FIND THE ANSWER TO THIS VERY HARD QUESTION
1. 2 answers
2. 199 views
i am a multiple of 20. i have 3 digits. my hundreds digit and tens digit add to make 9. half of me is less that 100 what am i
1. 3 answers
2. 887 views
i am an even number between 50 and 99. i am a multiple of 9. my tens digit is 5 more than my units digit. what am i?
1. 2 answers
2. 551 views
What are the lengths of the sides of the arrays that show how 6 boxes can be arranged?A. 1,2,3,6 B.1,2,4,6 C. 1,6 D. 1,3,6
1. 10 answers
2. 3,466 views
Develop an argument that explains whether or not the powers of the presidency as executed since the Great Depression have made
1. 1 answer
2. 1,882 views
What is the domain and range of y=0.13x+27?Please help
1. 2 answers
2. 318 views
Predict whether copper (ii) titrate (CuC2H2O6), Ksp =4.00x10^4, will precipitate if 10.0g of Cu(NO3)2 is added to 0.500L of
1. 1 answer
2. 344 views
Which of these is an element of expository text? Select two correct choices.
1. 0 answers
2. 412 views
True or False: If you take a course and do not pass it, you still get the credit.
1. 4 answers
2. 2,795 views
Can someone check my answer please?Read the following sentences from "Marriage is a Private Affair." ""I owe it to you, my son,
1. 5 answers
2. 4,175 views
(Note): Hello! I am really stuck on this problem and am trying to figure out how to solve it! I don't want the answer, I just
1. 2 answers
2. 1,311 views
Turn the recursive function into its equivalent explicit function:f(1) = 18; f(n) = f(n - 1) + 6; n is be greater than or equal
1. 4 answers
2. 1,055 views
What led to conflict in Bosnia between the Bosniaks and Serbians?A. Free elections in Bosnia promoted a Serbian Revolution that
1. 2 answers
2. 1,094 views
Given a long algebraic equation, what are some strategies that you can use to make simplifying and evaluating the equation more
1. 1 answer
2. 949 views
A charge of -6.17 μC is traveling at a speed of 5.47 × 106 m/s in a region of space where there is a magnetic field. The angle
1. 1 answer
2. 1,160 views
Bromine and chlorine gas react to give bromine monochloride (BrCl) according toBr2(g)+Cl2(g)⇌2BrCl(g) Given initial
1. 1 answer
2. 3,008 views
Evaluate the expression √−7/√ −6√−5 and write the result in the form a+bi.I keep getting b as 0.483i but apparently
1. 2 answers
2. 2,020 views
A microphone is attached to a spring that is suspended from the ceiling, as the drawing indicates. Directly below on the floor
1. 1 answer
2. 1,814 views
A wave traveling along the x axis is described mathematically by the equation y = 0.17sin(8.5πt + 0.45πx), where y is the
1. 2 answers
2. 2,998 views
Calculate the change of volume that occure when a steel bearing with an initial volume of 1.8cm^3 is heated from 20°C to 80°C.
1. 3 answers
2. 557 views
Suppose C and D are 2 × 2 matrices with det(C) = −3 and det(D) = 2. Find the determinant of the matrices 8C^3D2 and 5 C^-1
1. 0 answers
2. 593 views
A train, with an initial velocity of 35ms^-1 along a straight track, deccelerates at a constant 0.25ms^2. Determine how far it
1. 2 answers
2. 519 views
The wheels, axle, and handles of a wheelbarrow weigh W = 67 N. The load chamber and its contents weigh WL = 511 N. The drawing
1. 1 answer
2. 781 views
How many electron domains are around the central atom ina water molecule?
1. 0 answers
2. 792 views
A 7.40-kg block is placed on top of a 12.5-kg block that rests on a frictionless table. The coefficient of static friction
1. 1 answer
2. 924 views
A satellite has a mass of 5823 kg and is in a circular orbit 4.45 × 105 m above the surface of a planet. The period of the
1. 1 answer
2. 569 views
Traveling at a speed of 18.0 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The
1. 1 answer
2. 2,208 views
A person pushes on a 62-kg refrigerator with a horizontal force of -280 N; the minus sign indicates that the force points in the
1. 1 answer
2. 1,110 views
At a time when mining asteroids has become feasible, astronauts have connected a line between their 3830-kg space tug and a
1. 1 answer
2. 678 views
I DONT GET IT; IT SAYS WHICH OF THE FOLLOWING PAIRS OF NUMBERS HAVE A LEAST COMMON MULTIPLE OF 56......THESE ARE THE PAIRS: 2
1. 2 answers
2. 588 views
Read the following sentences from "The Swimming Contest""Who the hell fired that shot?" "My gun went off," one of the boys said.
1. 1 answer
2. 4,835 views
Explain why n2h4 acts as bronsted lowry base but n20 does not
1. 0 answers
2. 756 views
A swimming pool is being emptied and the amount of water remaining in the pool after t minutes after emoting commences is given
1. 0 answers
2. 517 views
A lawn is 3 m by 5 m there is a path 1 m wide laid around the lawn. Find the area of the lawn (Please help)
1. 1 answer
2. 670 views
Determine the quadrant in which a 130° angle lies.a. 4th quadrant b. 1st quadrant c. 3rd quadrant d. 2nd quadrant
1. 2 answers
2. 826 views
Determine the quadrant in which an angle, θ, lies if θ = 5.40 radians.a. 4th quadrant b. 3rd quadrant c. 2nd quadrant d. 1st
1. 2 answers
2. 2,570 views
Determine the quadrant in which an angle, θ, lies if θ = 8π / 7a. 3rd quadrant b. 1st quadrant c. 4th quadrant d. 2nd
1. 1 answer
2. 2,131 views
Why is there no vertical asymptote onF(x) = x/(x^2+1) What i learned is that to find vertical asymptote you have to set the
1. 4 answers
2. 575 views
= 1.7 kg block slides on a frictionless horizontal surface and is connected on one side to a spring (k = 60 N/m) as shown in the
1. 1 answer
2. 1,012 views
m1 = 1.7 kg block slides on a frictionless horizontal surface and is connected on one side to a spring (k = 60 N/m) as shown in
1. 2 answers
2. 992 views
A street light is at the top of a 16 ft pole. A 5 ft tall girl walks along a straight path away from the pole with a speed of 3
1. 1 answer
2. 1,169 views
There are 40 students in a class.14 of these students are girls. What percentage of the class are girls?
1. 1 answer
2. 498 views
Which solution would best help control pollution in Lake Tai while keeping Wuxi strong?People should move away to make more
1. 10 answers
2. 979 views
The question says: when .422 g of phosphorus is burned, .967 g of a white oxide is obtained. Determine the empirical formula of
1. 1 answer
2. 1,081 views
A scuba diver dives to a depth of 50 feet, then rises 15 feet, sinks 12 feet, then rises 20 feet. Write an expression to
1. 6 answers
2. 2,854 views
Writing with exponents2x2x2
1. 8 answers
2. 2,142 views
In the number 7,725, which places contain digits where one digit is ten times as great as the other?
1. 1 answer
2. 537 views
You pay 3.3 cents per minute for long-distance phone calls on your phone. Your phone bill is $3.40. Write and solve an equation
1. 1 answer
2. 913 views
Help!! Can you check my answers?1. The small boat was scudding into the open sea with a full sail. (1 point) getting stuck
1. 2 answers
2. 1,355 views
It takes 16s to raise a 2800lb car and the supporting 650lb hydraulic car-lift platform to a ht of 6.5 ft. Knowing that the
1. 0 answers
2. 600 views
the same alkali(sodium hydroxide)can be found in both hair gel and oven cleaner.explain why it is safe to put hair gel on your
1. 0 answers
2. 436 views
A collapsible plastic bag contains a glucose solution. If the average gauge pressure in the vein is 1.21 103 Pa, what must be
1. 1 answer
2. 848 views
Suppose a distant world with surface gravity of 7.12 m/s2 has an atmospheric pressure of 7.48 104 Pa at the surface.(a) What
1. 1 answer
2. 871 views
An inventive child named Chris wants to reach an apple in a tree without climbing the tree. Sitting in a chair connected to a
1. 2 answers
2. 8,054 views
007 (part 1 of 2)An elevator accelerates upward at 1.2 m/s2. The acceleration of gravity is 9.8 m/s2 . What is the upward force
1. 2 answers
2. 889 views
An elevator accelerates upward at 1.2 m/s2. The acceleration of gravity is 9.8 m/s2 . What is the upward force exerted by the
1. 1 answer
2. 2,101 views
Czarina is working part time at a pastry shop baking cupcakes. If she works for 30 hours in one week on the average, how many
1. 1 answer
2. 659 views
What is the difference between "weighted mean" and "arithmetic mean?"
1. 1 answer
2. 837 views
Czarina is working part time at a pastry shop baking cupcakes. If she works for 30 hour in one week on the average, how many
1. 1 answer
2. 475 views
The average height of Al, Anne, and Allan is 66 inches. If Arnel is included in the group, their average height becomes 70
1. 2 answers
2. 471 views
After a day of testing race cars, you decide to take your own 1502.5 kg car onto the test track. While moving down the track at
1. 1 answer
2. 492 views
b) If the car is moving much faster than the heavier truck when they collide, what best describes the size (or magnitude) of the
1. 1 answer
2. 1,532 views
Consider the collisions between a car and a truck whose weight is much heavier than the car (M ≫ m). Friction is so small that
1. 1 answer
2. 3,105 views
assume 8 males audition,one of them being Miles, 6 females audition, one of them being Jackie, and 4 children audition. The
1. 2 answers
2. 1,388 views
Damaraland mole-rats are relatives of naked mole-rats. In their clans, too nonbreeding individuals of both sexes cooperatively
1. 0 answers
2. 456 views
Why is it that you cannot use the largest objective for some slides?
1. 0 answers
2. 379 views
When you are focusing an object under the microscope, explain why some parts are in focus and some part are out of focus?
1. 3 answers
2. 1,535 views
(6y)/(y^2+y-72 divided by (y^6)/(8-y).
1. 1 answer
2. 341 views
What is the wavelength of an electron moving at 2.60% of the speed of light?1 m
1. 1 answer
2. 784 views
TV-reception antennas for VHF (channels 2 through 13) are constructed with cross wires supported at their centers, as shown in
1. 1 answer
2. 2,161 views
Electromagnetic radiation having a 12.0 µm wavelength is classified as infrared radiation. What is its frequency?1 Hz i got
1. 1 answer
2. 875 views
Citizen's band (CB) radio utilizes frequencies between commercial AM and FM. What is the frequency of a 11.34 m wavelength CB
1. 2 answers
2. 1,169 views
(a) Two microwave frequencies are authorized for use in microwave ovens: 900 and 2560 MHz. Calculate the wavelength of each.1 cm
1. 5 answers
2. 6,438 views
The operating potential difference of a light bulb is 120 V. The power rating of the bulb is 105 W. Find the current in the bulb
1. 3 answers
2. 1,984 views
Calculate the cost of operating a 65 W light bulb continuously for a 30-day month when electrical energy costs $0.23/kW·h.$ 1
1. 1 answer
2. 854 views
A steam iron draws 6.5 A when connected to a potential difference of 120 V.(a) What is the power rating of this iron? 1 W (b)
1. 4 answers
2. 2,217 views
A color television has a power rating of 325 W. How much current does this set draw from a potential difference of 120 V?1 . A i
1. 1 answer
2. 475 views
A color television has a power rating of 325 W. How much current does this set draw from a potential difference of 120 V?1 . A i
1. 1 answer
2. 4,627 views
How much charge passes through a cross-sectional area of a copper wire in 0.8 s if I = 3.5 A?1 C
1. 2 answers
2. 1,157 views
A hair dryer draws a current of 9.7 A.(a) How much charge passes through the hair dryer in 3.5 min? 1 C (b) How many electrons
1. 2 answers
2. 2,648 views
A net charge of 47 mC passes through the cross-sectional area of a wire in 19.0 s.(a) What is the current in the wire? 1 A (b)
1. 2 answers
2. 1,082 views
Four resistors are connected to a battery with a terminal voltage of 12.0 V, (R1 = 40.0 , R2 = 80.0 , R3 = 140.0 and R4 = 15.0 )
1. 1 answer
2. 1,579 views
A steam iron draws 6.5 A when connected to a potential difference of 120 V.(a) What is the power rating of this iron? 1 W (b)
1. 1 answer
2. 745 views
A 17-kg rock is on the edge of a 103-m cliff.(a) What potential energy does the rock possess relative to the base of the cliff?
1. 2 answers
2. 1,402 views
Mary weighs 450 N and she walks down a flight of stairs to a level 4.50 m below her starting point. What is the change in Mary's
1. 1 answer
2. 1,433 views
A 18.0-kg cart is moving with a velocity of 7.30 m/s down a level hallway. A constant force of -13.0 N acts on the cart and its
1. 1 answer
2. 862 views
A steel ball has a mass of 3.8 kg and rolls along a smooth, level surface at 56 m/s.(a) Find its kinetic energy. 1 I got 404.32J
1. 1 answer
2. 608 views

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