03/08/20

How many grams of the solid can be formed from 206 g of calcium nitrate and 148 g of phosphoric acid? Answer in units of g.
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03/02/20

The specific heat of a certain type of metal is 0.128 J / (g ⋅ ∘ C). What is the final temperature if 305 J of heat is added to 40.3 g of this metal, initially at 20.0 ∘ C?
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03/02/20

A 1643 kg car is traveling down the road at 88.2 km / h. While traveling at this rate of speed, what is the kinetic energy of this vehicle in kilojoules?
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03/02/20

Find the total displacement and total distance traveled.Find your average speed and average velocity in meters/min.Find your average speed and average velocity in meters/sec.
On a bright sunny day you decide to take a walk. You begin at your home and walk 1000 meters to an ice cream shop in 10 minutes. You spend 15 minutes ordering your ice cream and then return home.... more
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03/02/20

URGENT HELP PLEASE
A 500 pound object hangs from two cables with angles below the horizontal of θ=25 and ϕ=32 respectively. Determine the magnitude of the tension vectors,  ∣∣∣∣→T1∣∣∣∣ and ∣∣∣∣→T2∣∣∣∣.
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02/28/20

I want help for this question

A manufacturer has a monthly fixed cost of $28,500 and a production cost of $8for each unit produced. The product sells for $11/unit. Find the following functions (in dollars) and compute each... more
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02/27/20

Circular motion Question
Kangaroo Jack is trying to catch a crane with a bola. The mass on the end of the bola is 250g and the bola makes 3 revolutions every 2 seconds with a velocity of 11 m/s. How long is the bola?
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02/26/20

sin ( α ) = 2/7 and cos ( β ) = − 5/6 Both angles terminate in Quadrant II. What does sin ( α + β ) =? And What does cos ( α + β ) =?
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02/26/20

If cos α = 0.902 and sin β = 0.557 with both angles’ terminal rays in Quadrant-I, find the values of (a) cos ( α + β ) = (b) cos ( β − α ) =
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02/26/20

If tan θ = 8/7 and cot ϕ = 7/8 , find the exact value of sin ( θ + ϕ ) .
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02/25/20

use synthetic division and the remainder theorem to find p(a). p(x)=x^3+7x^2+4x;a=-2
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02/25/20

Composite function

Determine the function g when f(x)=x-3 and fg(x)=2x2-4x+7
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02/24/20

Slope intercept form word problems
y = mx + bPhil started a checking account with $50. He only uses his debit card to buy coffee on the way to work each day. If he spends $2 on each coffee, write an equation to show how much he... more
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02/24/20

Suppose that 5500 is placed in an account that pays 17% interest coin pound each year assume that no with draws are made from the account. Find the amount in the account at the end of 2 years

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02/24/20

Algebra homework

The expression (64)^x/3 is equivalent to:A. 4xB. (4)^x/3C. (64)^x-(64)^3D. (4)^x
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02/24/20

Algebra homework

The expression (27)^x/3 is equivalent to:A. 3xB. (3)x/3C. (3)^2D. (27)^x-(27)^3
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02/24/20

Find the area or the region bounded by the curves y = x^3 and y = 9x.

Question options: 1) 0 2)  10.13 3)  40.50 4)  20.25
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02/24/20

can anyone please help me with physics
Assuming the average distance from the earth to the sun is 1.48 x 10^11 M and given that the earth revolve around the sun once per year, with what average linear velocity does the earth transverse... more
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02/24/20

Can someone answer these trig questions
Find the values of the 6 trig functions of theta if cos2theta=7/24 and 270 degrees< theta< 360 degreesgiven costheta= 3/7 and sintheta<0, find sin2theta, cos2theta, tan2theta
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02/24/20

need help with physics
two children are playing on a see saw. the older child has a mass of 40 kg. the younger child has a mass of 25 kg. assume that the see saw is massless and the two seats are each 1.5 m from the... more
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02/22/20

A ball is kicked vertically 20 m/s from height of 1,5 m above the surface. Find a) max height the ball reaches, b) speed it hits the surface, c) time in the air
How to solve these?Answers: a) 21,9 m b) 20,7 m/s c) 4,1 s
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02/22/20

Spring-like force acts on a body
The only force acting on a 3.50-kg body as it moves along a positive x axis has an x component Fx = -6.40x N, with x in meters. The velocity at x = 4.82 m is 7.35 m/s. a) What is the velocity of... more
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02/20/20

Help please Geometry
Examine the diagram and information to answer the question. Rectangle EFGH has vertices at E(7,7), F(1,5), G(2,2), and H(8,4).How many units is the perimeter of rectangle a) 10√13b) 5√10c) 20d) 6√10
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02/20/20

Approximate the area under the curve y=x3 from x=0 to x=2 using a Right Endpoint approximation with 4 subdivisions.
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02/20/20

what number is 17 greater than the 2nd number. When the lesser number is subtracted from twice the greater number, the difference is 157. Find the number
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