02/21/20

Examine the diagram and information to answer the question. △ABC has vertices at A(0,4), B(2,2), and C(−2,−1).
1+2√10+√295+2√10+√131+2√2+√135+2√2+√29
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02/21/20

trig problem, step by step
Solve 7cos(2θ)=7sin2(θ)+5 for all solutions 0≤θ<2π θ =
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02/21/20

need help with trig
Use a half angle formula or formula for reducing powers to fill in the blanks in the identity below: (cos(2x))2 = __ + __  cos(__x)
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02/11/20

What is the velocity
a 1.5 kg ball is moving at 8 m/s south, strikes a 2 kg ball moving at 3 m/s south. if the velocity of the 2 kg ball after the collision is 4.5 m/s south, what is the velocity of the 1.5 kg ball
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02/11/20

if f(0)=2 what's g(x)f=(-14-8x)
g(x)=f(−14−8x) and f(0)=2g( )=
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02/11/20

A bottle rocket takes off with a = 34.5 m/s ^ 2 It fires until it reaches a height of 200 m, then shuts off, and gravity takes over. How much time does it take to reach its maximum height ?
You need to find the second
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02/11/20

Let h(x)=1/square root x^2+5 find four ways to express h(x) as a composition of two fuctions. f and g such that h(x)=(f of g)(x)
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02/09/20

Body composition scale results

Problem: Hi I have a body composition test result question to ask, it’s quite basic but because of a lot of head trouble I’m unable to work it out so I need your help please...Basically here is the... more
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02/04/20

About Circle Geometry Proofs: Prove that if two secants to a circle from an external point are equal, then the intercepted chords are equal. (Please write like a column proof-statements and reasons)
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02/04/20

DOMAIN: Find the domain of the function. In the space provided, type the answer without any spaces between the letters, numbers, or symbols.
Let x and y be directly related. If x is 18 when y is 6, find y when x is 21.
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02/04/20

What does your model predict the moose population to be in 2007?
In 1995, the moose population in a park was measured to be 8600. By 1999, the population was measured again to be 8900. If the population continues to change linearly, find an equation for the... more
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02/04/20

What if the well was 60-feet deep, the frog climbs 7 feet per hour, and it slips back 2 feet while resting? How long (in hours) will it take for the frog to get out of the well?
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02/04/20

A rectangle has a length six inches less than twice its width. If the perimeter of the rectangle is 54 inches, find the dimensions.
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02/04/20

Type the product of the given functions (fg)(x): f(x) = x^2 − 9 and g(x) = x + 1.

In the space provided, type the answer in descending order as it applies without any spaces between the letters, numbers, or symbols.
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02/03/20

Math fractions problem? Half of the seats in a theater are full...
Half of the seats in a theater are full. Twenty-four of these people leave so that the theater is now one-third full. How many people would the theater hold if all of the seats were occupied?
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02/03/20

A 747 is fuled with 293,337 L of jet fuel. If the density of the fuel is 0.768 g/cm^3, what is the mass of the fuel in kilograms
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02/03/20

There is more than one way to show the Double-Angle Identity for cosine. Which method is NOT a representation of cos(60∘) using the Double-Angle Identity?
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02/02/20

In a first order decomposition, the constant is 0.00299 sec-1. What percentage of the compound is left after 6.2 minutes?
In a first order decomposition, the constant is 0.00299 sec-1. What percentage of the compound is left after 6.2 minutes?The correct answer is 32.9%Please show steps how to answer.No way that I... more
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02/02/20

How many liters of gasoline would your need to buy to complete a 142-km trip in Europe?

In Europe, gasoline efficiency is measured in km/L. If your cars gas mileage is 20.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142-km trip in Europe?
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02/02/20

If the point P(13/16,y) is on the unit circle in quadrant IV, then y=
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02/01/20

why cant we create holes in water?
When we put our finger in water and then remove it, the hole that we made disappears and water goes to the previous state. Why is that holes are really temporary in water?
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02/01/20

Based on percentages In chemistry

An alloy contains 58g of pure and 21g of pure copper.what is the percentage silver in the alloy?
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01/31/20

Business Pre-Calc Help
At a price of $140 there is demand for 1734 items and a supply of 980 items. At a price of $260 there is demand for 1014 items and a supply of 1820 items. Assuming supply and demand are linear,... more
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01/31/20

Parabolas y=−2x2 and y=2x2+k intersect at points A and B that are in the third and the fourth quadrants respectively. Find k if length of the segment AB is 5.

Parabolas y=−2x2 and y=2x2+k intersect at points A and B that are in the third and the fourth quadrants respectively. Find k if length of the segment AB is 5. 
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01/31/20

Geometry help needed
Rectangle ABCD is symmetric with respect to y-axis. Points A and B belong to the parabola y=x2. Points C and D are on the parabola y=−3x2+k. Find k if the area of the rectangle is 66 and length of... more
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