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If Faraday hd used a more powerful battery in his experiments with electromagnetic induction, what affect would this have had on
1. 8 answers
2. 4,900 views
Describe how turning off the electric current in an industrial magnet affects its magnetic field.Thanks!
1. 2 answers
2. 701 views
Let z be a complex number, and let n be a positive integer such that z^n = (z + 1)^n = 1. Prove that n is divisible by 6.I have
1. 1 answer
2. 1,077 views
Let z and w be complex numbers such that |z| = |w| = 1, and zw is not equal to -1. Prove that(z + w)/(zw + 1) is a real number.
1. 1 answer
2. 904 views
Let z and w be complex numbers such that |z| = |w| = 1, and zw is not equal to -1. Prove that(z + w)/(zw + 1) is a real number.
1. 0 answers
2. 386 views
Let z and w be complex numbers such that |z| = |w| = 1, and zw is not equal to -1. Prove that(z + w)/(zw + 1) is a real number.
1. 0 answers
2. 441 views
Let z and w be complex numbers such that |z| = |w| = 1, and zw is not equal to -1. Prove that(z + w)/(zw + 1) is a real number.
1. 0 answers
2. 636 views
Let C be a circle that passes through the origin. Show that we can find real numbers s and t such that C is the graph ofr =
1. 4 answers
2. 551 views
Find the probability of the following event:tossing a coin heads up or rolling a 3 with a number cube. I got: 1/2+1/6 = 2/3 but
1. 1 answer
2. 537 views
tossing a coin tails up or rolling a number less than 4 on a number cube.I got 1/2 + 3/6 and got 1. The answer is 3/4. I don't
1. 1 answer
2. 954 views
Let C be a circle that passes through the origin. Show that we can find real numbers s and t such that C is the graph ofr =
1. 2 answers
2. 2,041 views
Find the probability of the following event:tossing a coin tails up or rolling a number less than 4 on a number cube. I got 1/2
1. 0 answers
2. 419 views
Find the probability of the following event:tossing a coin heads up or rolling a 3 with a number cube. I got: 1/2+1/6 = 2/3 but
1. 1 answer
2. 468 views
A hockey puck of diameter 3 inches is spinning around its center at a speed of 3 counterclockwise rotations per second. The
1. 1 answer
2. 834 views
Find the sum of the three smallest positive values of x such that 4cos^2(2x-pi) = 3. (Answer in radians.)
1. 3 answers
2. 627 views
The graph of the parametric equationsx=cos(t) y=sin(t) meets the graph of the parametric equations x=2+4cos(s) y=3+4sin(s) at
1. 1 answer
2. 1,105 views
An energy drink container in the shape of a right circular cylinder must have a volume of 12 fluid ounces (1 fluid ounce is
1. 1 answer
2. 4,616 views
Let G be the graph of the parametric equationsx = cos(4t), y = sin(6t). What is the length of the smallest interval P such that
1. 4 answers
2. 967 views
Points A, B, and C are on a circle such that angle ABC=45 degrees, AB=6, and AC=8. Find the area of the circle.
1. 4 answers
2. 1,075 views
For how many values of n with 0<=n<=100 is the graph of f(x) = sin(x + n) identical to the graph of g(x) = cos(x)?I think that I
1. 2 answers
2. 1,334 views
For how many values of x such that 0<x<360 do we have cos(x) = 0.1? (x is in radians)
1. 1 answer
2. 391 views
If sin(x) = 4cos(x), then what is (sin(x))*(cos (x))?
1. 1 answer
2. 4,748 views
You order a pizza. The pizza has a diameter of 14 inches and it is cut into 12 equal slices. You eat four slices, how much of
1. 3 answers
2. 838 views
Would someone be willing to grade or check my rough draft of a critical review?
1. 2 answers
2. 806 views
Find ALL triples of positive numbers c<100 that satisfy the Pythagorean Theorem.
1. 1 answer
2. 484 views
A rectangular playground is to be fenced off and divided in two by another fence parallel to one side of the playground. 440
1. 2 answers
2. 3,142 views
Solve the quadratic equation by factoring. Check your solutions in the original equation. (Enter your answers as a
1. 1 answer
2. 609 views
An open gift box is to be made from a square piece of material by cutting four-centimeter squares from each corner and turning
1. 1 answer
2. 3,622 views
An open gift box is to be made from a square piece of material by cutting four-centimeter squares from each corner and turning
1. 1 answer
2. 645 views
1 L is to infuse every 12 hours. calculate the mL/hr
1. 1 answer
2. 503 views
Which equation has a slope of -1/2 and a y intercept of -3?a. 4x+2y+3=0 b. 3x+6y+6=0 c. 5x +10y+30=0 d. 6x+2y+1=0 I have the
1. 1 answer
2. 372 views
Kc = 28 at some temperature for the reactionH2(g) + I2(g) ⇀↽ 2 HI(g). If 16.7 moles of HI are introduced into a 10.0 liter
1. 1 answer
2. 593 views
The heat of vaporization of water is 9.73kcal/mol. At what pressure (in torr) would pure water boil at 89◦C?
1. 1 answer
2. 573 views
(1/8)17n x 8I got: 17n/8 x 8= 17n not sure about this??
1. 1 answer
2. 458 views
4s-(3-2s)-6=9Please check my work: 4s-3+2s-6=9 6s-9=9 3s=18 s=3
1. 3 answers
2. 412 views
Could you please explain the differences between linear relationships and exponential relationships? How or when would I use
1. 1 answer
2. 501 views
The area of a rectangle is 12 square feet. What are all the possible integer values of its perimeter?I got: 1. all sides equal
1. 1 answer
2. 430 views
A rollercoaster travels at 120 miles per hour on its track for 3 minutes.A. 3 minutes is what part of an hour? B Use a formula
1. 1 answer
2. 491 views
A square table has an area of 2116 square inches. A tablecloth hangs 3 inches over each end of the table.a. What is the length
1. 6 answers
2. 1,436 views
I just need help setting up the equation - the rest I can do on my own: A man built a walk of uniform width around a rectangular
1. 3 answers
2. 604 views
In the excerpt from Barrio Boy, what makes Ernesto similar to several of his classmates?
1. 10 answers
2. 2,432 views
A can containing 3 tennis balls has a volume of 128/9pi cubic inches. If the height of the cylinder is 8in., what is the
1. 4 answers
2. 1,371 views
Mary bought a roll of ribbon. After using 5/8 of the ribbon to decorate some packages she had 15ft left how many feet of ribbon
1. 1 answer
2. 795 views
In your moving car, you covered 2.0 m during the first 1.0 s, 4.0 m during the second 1.0 s, 6.0 m during the third 1.0 s, and
1. 1 answer
2. 728 views
An orchard has enough space to plant 21 rows with y trees in each row, or 18 rows with y+7 trees in each row. If each orchard
1. 2 answers
2. 1,546 views
Then air exerts a forward force of 8 N on thepropeller of a 0.25 kg model airplane. If the plane accelerates forward at 1.8
1. 2 answers
2. 598 views
The driver of a car is going 30 m/s slams on his brakes, the car's tires lock, and the car skids to a stop on a level roadway.
1. 1 answer
2. 678 views
Write an equation with a variable on both sides of the equal sign that has infinitely many solutions. Solve the equation and
1. 5 answers
2. 4,922 views
The length of a rectangle is 5 inches less than 3 times the width. The perimeter of the rectangle is 14 inches. Find the length
1. 4 answers
2. 2,653 views
Jim uses ribbion to make bookmarks. Jim has 9 feet of ribbion. He uses 1/3 foot of ribbon to make each bookmark. What is the
1. 11 answers
2. 2,865 views
A right triangle is formed by the origin and the x and y intercepts of the line 14x+7y=56. Find the area of the triangle.I know
1. 3 answers
2. 904 views
One triangle has side lengths 3,5, and 6. A similar triangle has side lengths 18, 15 and 9. Which of the following ratios is the
1. 2 answers
2. 1,028 views
URGENT! In a school, 8% of students are left handed. If 50 classes of 20 students are randomly selected, what is the probability
1. 2 answers
2. 545 views
what is the mass in amu of 3.12 moles of Ba(NO3)2?
1. 0 answers
2. 352 views
What laboratory instrument utilized the wave nature of electrons?
1. 2 answers
2. 325 views
Two cards are drawn from a well-shuffled deck of 52 playing cards. Let X denote the number of aces drawn. Find P(X = 0). (Round
1. 1 answer
2. 3,225 views
I don't understand how to do these w/o calc.I tried to write it in a way that will make someone understand how to read it. Hope
1. 2 answers
2. 708 views
Box A contains 3 white marbles and 4 black marbles. Box B contains 6 white marbles and 5 black marbles. An experiment consists
1. 1 answer
2. 3,094 views
Three machines turn out all the products in a factory, with the first machine producing 20% of the products, the second machine
1. 1 answer
2. 1,442 views
How do I rewrite without logarithms??2. log x= log a - 4 log b 3. ln t= 3/2 ln a - ln p 4. log y = 3 log x + log 17
1. 1 answer
2. 1,070 views
Given log2=0.3010, log3=0.4771, log5=0.6690, and log7=0.8451...Find a.) log8 b) log5/7 c.) log1.5 d.) log3/14 e) log12 I didn't
1. 2 answers
2. 825 views
-4x+3y=12 Solve for yI got: 12+4x/3 Is that right?
1. 2 answers
2. 304 views
Is the simplified form of 2square root of 3 ⋅ 2square root of 6 rational?Yes or No
1. 1 answer
2. 449 views
Which of the following options results in a graph that shows exponential growthA.f(x)= 0.4(3)^x B.f(x)= 3(0.5)^x C.f(x)=
1. 2 answers
2. 3,177 views
Which of the following options is an equivalent function to f(x) = 3(2)3^x?A.f(x)=3(8)^x B.f(x)= 24^x C.f(x)= 27(8)^x D.f(x)=
1. 5 answers
2. 1,389 views
Who won the battle of the Atlanta Campaign
1. 1 answer
2. 417 views
(3p-pq^3)2pq=I got: 6p^2q - 2p^2q4 Can it be simplified more?
1. 1 answer
2. 356 views
p= -3; q=22q(p+q)+3pq I got -22
1. 1 answer
2. 368 views
4x(3-y) - 2x + xyI got 64. Is that right?
1. 5 answers
2. 292 views
True of falseA broken scale can make changes in data appear less they than they actually are. If false, explain why. I know the
1. 3 answers
2. 1,266 views
What happens to the kinetic energy of a snowball as it rolls across the lawn and gains mass?
1. 1 answer
2. 611 views
Newtons second law of motion states that F =MA Force equals mass multiplied by acceleration. Mass is the constant. It does not
1. 1 answer
2. 521 views
Please check my work:Label the dependent and independent variable. 1. Time spent studying and Score on a test 2. If a scientist
1. 1 answer
2. 900 views
Please check my work:Label the dependent and independent vstiablr. 1. Time spent studying and Score on a test 2. If a scientist
1. 1 answer
2. 718 views
Convert 630 cubic centimeters to cubic inches.I know that 1 inch = 2.54cm I tried 630/2.54 but I didn't get the answer in my
1. 5 answers
2. 654 views
A basketball player attempted 1789 free throws. He made 801 of of them. What is the probability that the player will make the
1. 3 answers
2. 1,515 views
What are the two quantities that should be measured to find the rate at which water flows out of a shower head?Explain how the
1. 1 answer
2. 563 views
Could a mixture be made up of only elements and no compounds? Explain why or why not.
1. 8 answers
2. 2,165 views
Could a mixture be made up of only elements and no compounds? Explain why or why not.
1. 2 answers
2. 506 views
If a=2what is -a^2? -4 or 4? Why?
1. 1 answer
2. 326 views
ten-pin bowling ball has a volume of about 5274 cm3. A candlepin (8) bowling ball has a volume of about 48 in3. About how much
1. 1 answer
2. 783 views
Lead has a density of 11 g/ml. Mercury has a density of 13.6 g/ml. How much more volume would 1 pound of lead occupy the one
1. 1 answer
2. 439 views
If 5ml of 10M HCl was added to 1 litre of 0.4M 3-(N-morpholino) propane sulfonic acid what would be the resulting pH?
1. 0 answers
2. 579 views
Internal rate of returnWhat is the internal rate of return for the following project. An initial outlay of $9500 resulting in a
1. 1 answer
2. 652 views
What is the total internal energy change (∆E), in J, of a system that releases 202.90 J of heat and absorbs 315.7 J of work
1. 2 answers
2. 1,221 views
Find the approximate surface-area-to-volume ratio of a bowling ball with a radius of 5 inches.A. 0.6 B. 0.67 C. 1.67 D. 25
1. 2 answers
2. 818 views
With the given information below, write the standard form equation for the parabola.1.) Vertex: (-1,2) Focus(-1,0) 2.) Vertex:
1. 1 answer
2. 555 views
A weather balloon is released at an altitude of 500m. The force of gravity on the balloon is 21.1n. The lift force provided by
1. 0 answers
2. 755 views
Update: Planets are not uniform inside. Normally, they are densest at the center and have decreasing density outward toward the
1. 1 answer
2. 1,983 views
A small block is attached to an ideal spring and is moving in SHM on a horizontal, frictionless surface. When the amplitude of
1. 1 answer
2. 2,168 views
you have four $1 bills, two $5 bills, five $10 bills, and five $ 20 bills in your wallet. You select a bill at random. Without
1. 22 answers
2. 6,204 views
Gaseous ethane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 16.2 g of ethane is
1. 1 answer
2. 1,572 views
The man fires an 75g arrow so that it is moving at 80 m/s when it hits and embeds in a 13kg block resting on ice. What is the
1. 2 answers
2. 707 views
Sulfuric acid dissolves aluminum metal according to the following reaction:2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) Suppose you
1. 3 answers
2. 4,192 views
If someone could help me with this, I would appreciate it! Thanks!Directions: Determine if these two are inverses of one
1. 1 answer
2. 390 views
A small wooden block with mass 0.800kg is suspended from the lower end of a light cord that is 1.52m long. The block is
1. 4 answers
2. 6,134 views
Consider a purely inductive ac circuit in which the maximum voltage across the inductor is Vmax=98.0V. If the maximum current is
1. 0 answers
2. 498 views
A 39-turn circular coil of wire has a diameter of 1.2m. It is placed with its axis along the direction of the Earth's magnetic
1. 1 answer
2. 698 views
I want to plot my vertex on a cartesian plane. My question is can i go by different values on the axis? Since my vertex is (1,
1. 1 answer
2. 450 views
An object weighing 90 N has a volume of 45 mL and a mass of 9.0 g. What is its density?a. 0.10 g/mL b. 0.20 g/mL c. 5.0 g/mL d.
1. 5 answers
2. 901 views

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