11/08/22

Net/Everyday Forces
You hang a spring from a tree and measure its length to be 1.0m. You suspend 15kg from the spring and i stretches to a new length of 1.4m. Find the spring constant for this spring.
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11/07/22

i need help on this question for physics
A person weighs 613 N on Earth.1) What is their mass?  This person goes to Jupiter where gravity = 24.79 m/s².2) What is their weight on Jupiter? 
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10/19/22

Conic Sections - Circles
Use the given information to find the equation of the circles. center at (-2, 8) and passes through (1,4).
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10/19/22

Conic Sections-Cirlcles
Use the given information to find the equation of the circle.endpoints of the diameter are (4,-10) and (-4,5).
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02/15/21

Find the velocity and position vectors?
Given an acceleration vector, initial velocity (u0, v0), and initial position (x0, y0), find the velocity and position vectors for t>=0.a(t)=(cos(t), 2sin(t))(u0, v0)=(0, 4)(x0, y0)=(2, 0)
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02/15/21

(a) What is the kinetic energy in joules of a 960-kg automobile traveling at 70 km/h? J (b) How much work would have to be done to bring a 960-kg automobile traveling at 70 km/h to a stop? J
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11/02/20

Use set-roster notation to list the distinct equivalence classes of R.
Let A = {−3, −2, −1, 0, 1, 2, 3, 4, 5, 6, 7} and define a relation R on A as follows:For all m, n ∈ A, m R n  ⇔ 3|(m2 − n2).It is a fact that R is an equivalence relation on A. Use set-roster... more
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04/15/20

The front of a house is in the shape of a triangle. Suppose the base is 1 meter les than its height and the area of the triangle is 15 m^2. What is the height of the triangle.
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04/15/20

Determine whether the fuction is a linear transformation(explain):-
1-T:R2→R2,T(x,y)=(x,1) 2-T:R3→R3,T(x,y,z)=(x+y,x-y,z)
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08/19/19

Geometry Question
each of the numbers from 1 to 30 is written on a card and placed in a bag. if one card is drawn at random, what is the probability that the number is a multiple of 2 or a multiple of 3?
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08/15/19

Jack rented a moving truck for 7 hours and paid $153.65. How much did it cost per hour?
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07/20/19

Polynomial question
If (X-1/X)2+(X+1/X)2=16, find the value of X6+1/X6
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07/18/19

Working with 3rds

There are 4 red marbles and 8 green marbles in a box. If Emma randomly select a marble from the box, what is the probability of her selecting a red marble?
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06/26/18

chantel read 1/4 of the pages of a book on saturday and 2/3 of the pages on sunday. she read the last 5 pages on monday. how many pages were in the book?
 how many pages were in the book ?
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06/26/18

Prove that the statements|z+ 1|>|z−1|and Re(z)>0 are equivalent.
Please show step by step.
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06/26/18

Find the indicated terms in each arithmetic sequence.
4, -1, -6, -11, ... a10=  a16= a20= a25= a29=  
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05/22/18

standard deviation
whats the standard deviation of the data set below, Rounding your answer to three decimal places?2, 4, 6, 6, 8, 10, 11, 12, 14, 16, 17, 18, 18, 18
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05/16/18

How many distinguishable displays are possible?
Window Display: a music store wants to display 3 identical keyboards, 2 identical trumpets, and 2 identical guitars in its store window
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12/13/16

Rate Word Problem
Nickola swam at a rate of 3 km/hr and ran at a rate of 15 km/hr for a total distance traveled of 97.59 km. If he completed the race in 10.5 hours, how long did he take to complete each part of the... more
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12/13/16

Dried Fruit Word Problem
Chloe purchased some dried mango and dried kiwi to make some trail mix. The dried mango cost $2.71 per pound and the dried kiwi cost $4.77 per pound. If she spent $30.95 for 88 pounds of dried... more
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02/04/15

Stats word problem
4. The probability that an adult male is shorter than 66 inches is 0.3; that he is between 66 and 70 inches is 0.5; and that he is taller than 70 inches is 0.2. If two males are picked at random,... more
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06/28/13

Solve the initial value problem?
Solve the initial value problem: y'=sqrt(xy), y(1)=4.
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06/13/13

a cylinder has a surface area of 402 cm^2. The height is three times greater than the radius. What is the height of the cylinder?
what i did: 402 = 2πr^2+2πr(3r) how do i separate r? 
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05/09/13

Factor the following sum of two cubes.
Select the correct choice below. (a) z^3 + 125=? (Factor completely. Simplify your answer.) (b) The polynomial is prime.
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03/20/13

When trying to figure the slope from your own choice of coordinates on a line, does it matter when coordinates you choose?
If you are given a line on a graph and asked to determine the slope, does it matter which coordinates you chose?
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