05/27/20
Which equation represents a line which is parallel to the line 3x - 4y = 28? Explain your choice using words. You must also show your work that leads to your answer.
1)y=-4/3x+6 2) y = 4/3x+8 3)y =3/4x-2 4)y=-3/4x-5
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05/26/20
My teacher wants me to ask a question and I need help on figuring it out
she asks what is the surface area of a cereal box with a height of 11 inches and a base of 8 inches with the top of the box being 3 inches
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05/26/20
Algebra 2 help!
Lucy's lemonade stand has increasing profits each week during the hot summer months. Lucyfinds that each week during the summer her profits increase by 10% over what they were theprevious week. In...
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05/26/20
physics question
A 3kg basketball compresses by 0.02m when released from a height of 2m. What is the spring constant of the the basketball? If the basketball only rebounds to a height of 1.8m. How efficient is the...
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05/26/20
In parallelogram ABCD, AB = x + 8, BC = 3x, and CD = 4x – 4. ABCD must be a
I'm confused by this question. Please help me if you can. This are the answer choices.(A) rectangle (B) rhombus (C) trapezoid (D) square (E) pentagon
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05/25/20
please need help as soon as possible!
A merry-go-round is to be built in a park. The center of the structure is required to be equidistant from three support columns located at Q(4,−2), R(2,−4), and S(0,2). What are the coordinates for...
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05/24/20
Electricity and Magnetism
can you explain how work Electric generators related wit magnetic induction?
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05/21/20
What is the probability that a plain pencil from the first box and a color pencil from the second box are selected?
A box contains 5 plain pencils and 5 pens. A second box contains 7 color pencils and 3 crayons. One item from each box is chosen at random. What is the probability that a plain pencil from the...
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05/20/20
Using the function f(x) = X^2 + 10 and the point (2,14) answer the following:
(a) Find the slope of the graph of f at the given point. (b) Find an equation of the tangent line to the graph at the point.It would help a lot if you could show your work. Thanks!
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05/20/20
If the temperature of the air is 24C, what is the speed of sound through the air?
If the temperature of the air is 24°C, what is the speed of sound through the air?
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05/19/20
4. Five lightbulbs having identical resistance are connected in series to a source providing 550 V. What is the voltage drop across each lamp?
This involves Series Circuits
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05/19/20
A model rocket is launched from the roof of a building. It's flight path is modeled by -5t^2 + 30t + 10
where h is the height of the rocket above the ground in meters and t is the time after the launch in seconds.What is the rocket height after 2 seconds? At what time does the rocket reach its...
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05/17/20
Derivatives of Exp. Functions
Find the general formula for the nth derivative of f(x) = e^(2x). Using the formula, evaluate nth derivative at x = 2 or f^n(1/2). -----> I got f^n(x) = 2^(n)e^(2x) for the general formula but...
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05/17/20
A dart with a mass og 50 g is thrown at 15 m/s and sticks into a 10-g apple hanging on a string. What is the velocity of the dart and apple just after the dart is embedded
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05/16/20
For incident angle of 30 degrees light shining from air into glass from water into glass from air into a medium with an index of 1.22
Can anyone help me please.
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05/13/20
Physics/Magnetism Question
An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. It consists of a solenoid (wire) wrapped around a bar of iron or other ferromagnetic material. A...
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10/05/18
Suppose the distance between the Sun and Earth was only 1/10 as great. Which would be more effective in raising tides? Sun or moon? Calculations.
I have no idea what this is asking lol help
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10/05/18
In one year, Bill earned $210 in interest. If bill put four times as much in savings as he put in CD, how much money did bill put into savings?
Bill invested $15,000 in three accounts. The savings account paid 1% interest, the mutual fund paid 10% interest, and the CD paid 2% interest.
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10/02/18
What is the acceleration?
The velocity of a train is reduced uniformly from 54.0km/h to 25.0km/h while traveling a distance of 90.0m. Compute the acceleration.
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Point Charges on a Triangle
Three identical point charges are released from rest at the corners of an equilateral triangle with sides 0.8m. Each charge has a charge of +1.2 μC and a mass of 5.4 x 10-3 kg. Find the speed of...
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09/11/18
Find the average speed on the level road if the entire trip was 516 mile
A bus traveled on a level road for 6 hours at an average speed 20 miles per hour faster than it traveled on a winding road. The time spent on the winding road was 3 hours. Find the average speed on...
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07/13/18
Find the discount rate when the original price is $101 and the amount of the discount is $20.20
I believe the answer is 20%. I need help with setup.
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