01/31/20

A 1.0 L balloon has a temperature of 10 degrees celsius. When the temperature increases to 298 K at a constant pressure , what is the volume?

29.8 L0.51.0530.0
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01/31/20

carnival has a ferris wheel
carnival has a Ferris wheel with a diameter of 80 feet. The time for the Ferris wheel to make one revolution is 75 seconds. What is the linear speed in feet per second of a point on the Ferris... more
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01/30/20

what is y if f(70) x is 70?
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01/30/20

How can you determine the relationship between power and resistance in a circuit?
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01/30/20

Algebra world problem

The half-life of a radioactive substance is 31.6 years. Find the exponential decay model for this substance. How long will it take a sample of 500 grams to decay 400 grams. How much of a sample of... more
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01/30/20

one leg of a right triangle is 42 inches longer than the other leg, and the hypotenuse is 78 inches what is the length of the legs of the triangle
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01/30/20

Matrices and System of Equations
A local venue is selling tickets to a show. They are selling $10 and $15 tickets, each with different seating. If the venue sells 1,000 tickets and collects a total of $12,200 from sales, how many... more
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01/30/20

The numerator is one more than the denominator. If the numerator and denominator are both increased by two, the new fraction will be 1/4 less than the original fraction. What is the original fraction?
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01/30/20

Which expressions are equivalent to −tan⁡ θ?

1) Which expressions are equivalent to −tan⁡ θ?There may be more than one correct answer. Select all that apply.a) 1/cot(−θ)b) 1/cotθc) tan θd) −1/cotθe) −1/cot(−θ)f) tan(−θ)2) What is the correct... more
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01/30/20

suppose that is an angle in standard position whose terminal side intersects the unit circle at -4/5 -3/4
Find the exact value for sec tan sin
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01/29/20

Which expression is equivalent to 1/tanθ?
1) What is the Pythagorean Identity?a) sen²θ + cos²θ = 1b) 1 + cos²θ = sin2θc) 1 + sinθ = cosθd) senθ + cosθ = 12) Which expression is equivalent to 1/tanθ?a) 1 / cosθb) cos θc) sen θd) 1 / cotθe)... more
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01/29/20

Calculate the magnitude of Q2 in units of nanocoulombs
A positively charged particle Q1 = +15 nC is held fixed at the origin. A second charge Q2 of mass m = 9.5 μg is floating a distance d = 25 cm above charge Q1. The net force on Q2 is equal to zero.... more
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01/29/20

A file that is 231 megabytes is being downloaded. If the download is 55.49% complete, how many megabytes have been downloaded? Round your answer to the nearest tenth.
A file that is 231 megabytes is being downloaded. If the download is 55.49% complete, how many megabytes have been downloaded? Round your answer to the nearest tenth.
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01/29/20

From the top of a 215-ft lighthouse, the angle of depression to a ship in the ocean is 76.6 degrees . How far is the ship from the base of the lighthouse? Round your answer to the hundredths place .
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01/28/20

Can you graph this quadratic function? Does punting a football from the 40-yard line mean it reached the end zone
On fourth down, a team is just out of field goal range. The punter is called in to punt. To avoid kicking the ball into the endzone, the punter needs to kick the football high and short. This punt... more
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01/28/20

Solve for x: x^3+2x^2-15x>0
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01/28/20

Give domain and range if the graph of f(x)=-3/x-1+5
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01/28/20

Constant velocity and acceleration

A family road trip starts out in a van traveling 50km at a velocity of 75km/hr followed by a spot of a slow traffic where they travel 10km at a velocity of 25km/hr. What is the average velocity... more
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01/28/20

1.5(2x-5)-_______=2.5(3x+8)
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01/28/20

A student buys a sandwich for $4.20 and pays the exact amount using 50 cent coins, 20 cent coins and 10 cent coins.
**second half of question**If the number of 20 cent coins is the same as half the 10 cent coins plus four times the number of 50 cent coins and the student pays the cashier with 22 coins in total,... more
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01/28/20

2NaN3(s) -> 2Na(s) + 3N2(g) The airbag has an envelop with a volume of 55L. One mole of gas occupies a volume of 83L. What is the mass of reactant needed for the system to work properly?
Determine the mass of reactant needed for the air bag to work properly. Under the conditions of temperature and pressure inside a deployed airbag, one mole of gas occupies a volume of 83L. Final... more
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01/27/20

How do I solve this algebraic properties of exponents problem?
8x^0z^2)/(2y^8) -1 Its basically a full parenthese exponent problem and on the side(right) is -1 not by any invidual numbers but by 1?Its properties of exponents and I have no idea how to solve... more
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01/27/20

consider and find vectors
A = 2i - 3jB = 3i + 4j1) Draw both on an x-y axis2) Find C = A + B and draw it on that diagram3) Find D = A - B and draw it on that diagram
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01/27/20

Write the equation of the circle centered at ( 2 , 2 ) with radius 15.
Write the equation of the circle centered at (2,2) with radius 15.
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01/27/20

Write the equation of the circle centered at ( − 1 , 10 ) that passes through ( 9 , 16 ) .
Write the equation of the circle centered at (−1,10) that passes through (9,16).
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