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Find the difference: 3-(-9)A. -12 B. -6 C. 6 D. 12 I got the answer on (D)12 but I am not 100% sure becuase they ask the
1. 1 answer
2. 888 views
Please help me learn how to do this problem, step by step please.Engineers are developing new types of guns that might someday
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2. 924 views
An object has a moment of Inertia of 300 kgm^2. A torque of 94 Nm is applied to the object. What is the angular acceleration of
1. 1 answer
2. 568 views
During an art context at your school, you and a classmate each won blue ribbons for 1/3 of the pieces you entered in the
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2. 1,040 views
What is the force of gravity between two spheres that have a mass of 8 kg and are separated by 27 m?
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2. 414 views
The mass of a sample of boron atoms is 5.60 g. How many boron atoms are in this sample? Show your work here.
1. 1 answer
2. 604 views
The total mass that can be lifted by a balloon is given by the difference between the mass of air displaced by the balloon and
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2. 1,652 views
The total mass that can be lifted by a balloon is given by the difference between the mass of air displaced by the balloon and
1. 0 answers
2. 1,354 views
You are in a boat that is traveling across a river from east to west at 4.0 m/s. the river runs north at 3.0 m/s. what is the
1. 1 answer
2. 867 views
A 0.05 kg paper drag racer is launched at a speed of 33 m/s. If the launcher is 4.8 kg, at what speed does the launcher move in
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2. 358 views
What is the magnitude of the electric field 0.3 m from a 10-4 C point charge?
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2. 540 views
Two particles moving along parallel paths inthe same direction pass the same point at the same time. Particle A has an initial
1. 1 answer
2. 683 views
9)A car, moving along a straight stretch of highway, begins to accelerate at 0.0153 m/s2 . It takes the car 29.2 s to cover 1
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2. 895 views
A train is moving parallel and adjacent to ahighway with a constant speed of 27 m/s. Initially a car is 41 m behind the train,
1. 1 answer
2. 706 views
Joyce and Efua are skating. Joyce pushes Efua, whose mass is 40 kg, with a force of 16 N. The force of friction between Efua's
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2. 821 views
A hot iron ball is dropped into 200g of cooler water. The water temperature increases by 2.0 degrees C and the temperature of
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2. 3,056 views
The acceleration of gravity at the surface of a newly discovered planet is 5.2 m/s^2. An astronaut throws a rock straight up at
1. 1 answer
2. 1,075 views
If a ball has an initial downward speed of 24 m/s, how far does the ball drop during the 4 s to 5 s interval
1. 1 answer
2. 339 views
A ball is dropped from rest off a 34 m building. How long does it take to hit the ground at the bottom of the building?
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2. 382 views
Unit rate Driving 180 miles for 18 people?I think its 60 ? Am I right?
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2. 372 views
Unit rate 160 words typed in 4 minutes?
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2. 656 views
HELP?! Unit rate for 54 hotdogs for 18 people? Show work so I can understand thanks!
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2. 634 views
1)The break-even point is the ticket price for which the event's income will equal expenses. Another way to think of the break
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2. 517 views
(-10√2, -10√2), find te magnitude and direction angle of the vector, measure the direction angle in [0, 360).Please help!
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2. 498 views
The area of a circle is given by the formula A+pier^2, where r is the radius. If increasing the radius of a circle by 1 inch
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2. 1,403 views
A solution of NaOH with pH 13.68 requires 35.00 mL of 0.128 M HClO_4_ to reach the equivalence point. How do you calculate
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2. 886 views
How do you get the pH 13.68 into OH^-^?
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2. 354 views
A solution of NaOH with pH 13.68 requires 35.00 mL of 0.128 M HClO_4_ to reach the equivalence point. What is the volume of the
1. 3 answers
2. 1,036 views
The Ratios for students who have a computer to those who do not are 22;8 while the ratio for the ratio of students who have a
1. 3 answers
2. 563 views
if two triangles are similar, what can you say about the ratios of the two side lengths within one triangle and the ratios of
1. 4 answers
2. 2,827 views
Can you give me an example of a product and its marketing mix?By marketing mix, I am referring to the 4 P’s of Marketing-
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2. 799 views
A particle is moving along the x-axis so that at time t its acceleration isa(t)=ðcos(ðt) At time t=1/2, the velocity v of the
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2. 1,585 views
2cos^2(x) = 13sinx - 5How do i solve for x? I think i have to use the sin^2x + cos^2x = 1, but I'm not sure how to use that. I
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2. 1,174 views
Lai threw a ball downwards with an initial velocity of 11.0 m/s. What is in meters the displacement of the ball during the 2.9
1. 1 answer
2. 464 views
The rate of growth dP/dt of a population of bacteria is proportional to the square root of t, where p is the population size and
1. 1 answer
2. 1,643 views
Find a, b, c, and d such that the cubic function ax^3 + bx^2 + cx + d satisfies the given conditionsRelative maximum: (2,4)
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2. 3,851 views
Does any solid PbCl2 form when 3.1 mg NaCl is dissolved in 0.228 L of 0.12 M Pb(NO3)2.Find the Qsp.
1. 1 answer
2. 1,384 views
What is the element oxidized and the element reduced in the equation:HAsO2 + 2 Ag+ + 2 H2O 2 Ag + H3AsO4 + 2 H+
1. 1 answer
2. 660 views
A boat moves through the water with two forces acting on it. One is a 1500 N forward push by the motor, and the other is an 1400
1. 1 answer
2. 9,540 views
The figure below shows a general situation in which a stream of people attempt to escape through an exit door that turns out to
1. 1 answer
2. 623 views
What is the maturity value of a 120-day, 4 % note for $ 18,000
1. 0 answers
2. 528 views
Whole Number Math RiddleClue 1: Double my tens digit and get my ones digit. Clue 2: Double me and I am less than 50
1. 1 answer
2. 432 views
You are driving a car with a power output of 56,000 Watts. How many seconds will it take to go from 0 m/s to 27 m/s?
1. 0 answers
2. 422 views
Which of the following would be the MOST useful strategy for learning to communicate effectively with international employees
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2. 676 views
Crystal agreed to serve on a company’s advisory board and now has to contact them to say she cannot attend a scheduled meeting
1. 2 answers
2. 694 views
If there are 2 red disks numbered 1 through 2, and 6 yellow disks numbered 3 through 8, find the probability of selecting a red
1. 0 answers
2. 614 views
how do i work out the equationS= B + 1/2Pl solving for l
1. 2 answers
2. 934 views
How does the Scarlet letter A affect Hester Prynne's personality and her thinking concerning the position of women in society?
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2. 477 views
Hi I posted my essay topic earlier;but could anyone give me some ideas of the role of journalism in the digital society?
1. 1 answer
2. 482 views
Hi,I am writing an essay for my media studies class on the topic; Has digital technology made professional journalists obsolete?
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2. 1,284 views
Suppose a bag contains 7 red chips, 8 black chips, and 3 green chips. You draw two chips (without replacement) from the bag.
1. 1 answer
2. 1,150 views
Factor and solve: 4x^3-32=0Please so work so I can finish on my own with an example problem. Thanks! <3
1. 0 answers
2. 372 views
Factor the expression on the left side of each equation. Then solve the equation. 64x^3-1=0
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2. 545 views
Factor the expression on the lift side of each equation. Then solce the equation: 8xcubed-27=0... also please show work so I
1. 3 answers
2. 442 views
Who said this quote?"If you are alone, I'll be your shadow. If you want to cry, I'll be your shoulder. If you need to be happy,
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2. 439 views
Explain why chemists might want to prepare substituted hydrocarbons. Give two examples of possible substitutions.
1. 3 answers
2. 2,036 views
how did organic compounds get this name?
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2. 384 views
Enlightenment philosophers and reformers criticized the great inequalities that existed in society and believed that thought
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2. 582 views
Please help me asap! I have an essay due tommarow and I need to find out the 10 criterias a country has to follow in order to be
1. 1 answer
2. 508 views
How do you add a negative number and a positive number.For example: -9 + 7 = ?
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2. 269 views
What are some examples of homogeneous and heterogeneous substances?
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2. 547 views
what is 8 cm in inches?
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2. 365 views
HOW BIG WOULD A PIECE OF PAPER BE IF IT IS 8 CM LOND?
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2. 511 views
How do I find distrbutions?
1. 1 answer
2. 316 views
Hi. I have a question. Wasn't the play Romeo and Juliet by William Shakespeare based off of a poem by Arthur Brooke? This is
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2. 1,013 views
I know this is a homework board, but I really was wondering if anyone could help me with a book I'm reading... it's a classic
1. 0 answers
2. 554 views
I have an English project on Julius Caesar. I'm a sophomore in high school, by the way. I have to have a quote from act five of
1. 0 answers
2. 1,190 views
information on forces and motionyikes! This is a huge topic! Do you have any specific questions? yo mama is so Your post does
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2. 629 views
A car with good tires on a dry road can decelerate at about 5.0m/s/s when braking. If the car is traveling at 55miles/hour, how
1. 2 answers
2. 3,977 views

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