07/19/24

Given Resultant of Two Forces
Two forces of 17 N and 11 N have a resultant force of 25 N. What's the angle between the two forces?
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07/17/24

Write a coordinate proof. Prove quadrilateral WXYZ, having vertices W(-5, 6), X(-1, 10), Y(1, 4), and Z(-2, -3) is a trapezoid.
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07/16/24

Chemistry - Solution Stoichiometry

A 701- mL sample of unknown HCl solution reacts completely with Na2CO3 to form 12.1g CO2. What was the concentration of the HCl solution?
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06/25/24

The total worldwide box-office receipts for a long-running movie are approximated by the function T(x) = 100x^2 / x^2 + 25
where T (x) is measured in millions of dollars and x is the number of years since the movie’s released. Sketch the graph of the function T and interpret your results. find critical points, the... more
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06/24/24

Hi. I want to convert 500um to how many mcg. Thank you. Andy

Please convert 500 um to mcg. Thank you. Andy
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06/16/24

Where do you place the pivot?
 You are given a 2 m plank with a uniform mass of 10 kg. On one end of the plank, a 25 kg mass is being placed, i.e. the center of the mass is assumed to be at the end of the plank. On the other... more
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06/11/24

calculus area question
Estimate the area under the graph of the function f(x)=x+2−−−−−√ from x=−1 to x=3 using a Riemann sum with n=10 subintervals and midpoints. Round your answer to four decimal places. area =
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06/10/24

A, B, and C are points on Circle O such that Triangle ABC is equilateral. If the radius of Circle O is 6, what is the perimeter of Triangle ABC?
Geometry question.
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06/05/24

Can you plese explan part B. and tell me the rule for part C.
Th e arcs in the photo at the right appear to be paths of stars rotating about the North Star. To produce this eff ect, the photographer set a camera on a tripod and left the shutter open for an... more
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06/03/24

Factor the Polynomial using factored form 3.2 (13)

Factor the polynomial and use the factored form to find the zeros. (Enter your answers as a comma-separated list. Enter all answers using the appropriate multiplicities.)P(x) = x4 − 8x2 − 9X=______?
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06/03/24

A polynomial function is given. U(x) = −x3 + 3x2. Y→_______ as x→ ∞
3.2 Polynomial functions (a)
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05/28/24

If the world is spinning and moving, why are we stationary and items on earth stationary? Do various forces cancel out?
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05/26/24

baseball probablity
The table of data obtained from WWW.BASEBALL-ALMANAC.COM shows hit information for four well known baseball players. Suppose that one hit from the table is randomly... more
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05/25/24

You are given the following equaton of motion x = 3 t3 + 8.
Determine the average velocity atbetween 2 and 3 seconds and the average velocity between 2.4 and 2.6 seconds
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05/22/24

Bible time question
If one day to God is 1,000 years how much time has passed (for God) in 20 years?
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05/16/24

A plane is flying 100 km/h to the north. The wind begins blowing 20.0 km/h to the south. What is your resultant displacement?
Magnitude: (The answer should be a whole number. Do not include units.) 80Direction (abbreviate direction):
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05/11/24

My question concerns the heat of capacity, heat of fusion, and heat of vaporization.

How much heat is required to melt 22.0 kg of ice at 0 degrees Celsius and then warm the water to 20.0 C?
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05/11/24

Find the derivative
Find the derivative of the equation. y=(2x4-5e-x^2)(cubic root(x2-4x+4))
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05/09/24

HELP ALBERT PHYSICS 1 Energy of a Simple Harmonic Oscillator
You are given the task of designing a dart gun powered by an ideal spring. The mass, m𝑚, of the dart will be 0.030 kg. The gun barrel is to be 8.0 cm long. When fired horizontally, the dart is to... more
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05/07/24

Using your favorite statistics software package, you generate a scatter plot with a regression equation.
Using your favorite statistics software package, you generate a scatter plot with a regression equation and correlation coefficient. The regression equation is reported as y=-91.75⁢x+82.09and... more
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05/06/24

Ray tracing to determine location of image? What is this and how do I do it?
An object is 6.0 cm in front of a converging lens with a focal length of 10 cm .Use ray tracing to determine the location of the image.
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05/03/24

If atoms and molecules that make up a solid vibrate, why does the solid not vibrate? What causes the solid object to not vibrate?
Atoms and molecules that make up a solid vibrate. However, do the vibrations cancel each other out and that is why the solid object doesn’t vibrate?
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05/03/24

A ferris wheel is 45 meters in diameter and boarded from a platform that is 3 meters above the ground.

The six o'clock position on the ferris wheel is level with the loading platform. The wheel completes 1 full revolution in 8 minutes. The function h = f(t) gives your height in meters above the... more
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05/01/24

Please assist with this Energy word problem
Energy is conventionally measured in Calories as well as in Joules. One Calorie in nutrition is one kilocalories, defined as 1kcal=4186J. Metabolizing 1g of fat can release 9.00kcal. A student... more
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04/28/24

A 0.11 kg steel bullet is shot at 210 m/s into a 2.3 kg stationary block of lead. After the collision, the bullet remains lodged inside the lead.

The specific heats of steel and lead are 450 J/(kg⋅∘C) and 130 J/(kg⋅∘C)a) How fast, in m/s, is the block of lead moving after the collision?b) If the bullet is initially at 68∘C and the block is... more
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