08/03/19

Solving a 4th degree polynomial
Does the equationx4 + 3x3 + x + 3 = 0have any real solutions? If so, what are they?
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08/03/19

a scientist dropped an object from a height of 320 feet. the height of the object is modeled by the equation h=320-16t^2. after how much time will the object hit the ground?

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08/03/19

HELP PLEASE! NEED THIS DONE ASAP
Determine the standard form of a quadratic function whose graph has a y-intercept of 8 and a vertex at (-2,-4)
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08/03/19

Out of all possible rectangles with a perimeter of 600, what should the size of two of its sides be, in order for that rectangle's area to be maximal?
I only need the smaller side of the rectangle!!
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08/03/19

Find the coordinates of P so that P partitions the segment AB in the ratio 3:1 if A(0,7) and B(-4,2).
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08/03/19

If john walks 1/2 mile every 1/4 hour how far will he walk in three hours
Please answer quick
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08/03/19

Given f'(x) = e^kx find k by finding the gradient of a tangent that intersects f(x) at (1,e^2) and also passes through the origin
A curve for which f'(x)= e^kx where k is a constant, is such that the tangent at (1,e^2) passes through the origin find the gradient of the tangent to determine k and then integrate to find... more
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08/02/19

What causes heat transfer?
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08/02/19

What is the buildup of electric charge on an object called?
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08/02/19

What is the complex conjugate of −3+5i?
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08/02/19

How many nonzero numbers are between 3 and 5?
A. 0B. 2C. 8D. 9E. ∞Note: The question did NOT state nonzero integers, ect.
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08/02/19

radioactive isotope leaked into a stream
A certain radioactive isotope has leaked into a small stream. Three hundred days after the​ leak, 55​% of the original amount of the substance remained. Determine the​half-life of this radioactive... more
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08/02/19

Refinancing help
To purchase a home, a couple borrowed $ 280,000 at 5.1% compounded monthly for 25 years. After making 70 payments, they plan to refinance at 4.2% compounded monthly for 15 years, with refinancing... more
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08/02/19

The probability that both be green if you don’t replace the marble after the first pick? 
A box contains seven green marbles, six blue marbles and eight orange marbles. Without looking, you choose two marbles out of the bag. What is the probability that both be green if you don’t... more
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08/02/19

Please help in this
Two events are independent. The probability that you are going to see the movie in theater one is 25%. The probability that you will sit in the front row is 10%. What is the probability that you... more
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08/02/19

Please help Find the center of mass

Calculus II1- Find the center of mass of the lamina of constant density occupying the region betweeny=4-2x and y=2x in the first quadrant.2- Find the center of mass of the lamina of uniform... more
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08/01/19

Compound Interest
Michael wishes to give his son a savings bond that will mature in 8 years. He would like the value of the savings bond to be $5,000 at maturity. If he can invest in a bond that has an annual... more
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08/01/19

A 615 mL gas sample at STP is compressed to a volume of 223 mL, and the temperature is increased to 21◦C. What is the new pressure of the gas in Pa? Answer in units of Pa
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08/01/19

if 3.28 feet in one meter what is 1700 meters in feet
if 3.28 feet in one meter what is 1700 meters in feet
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08/01/19

What is the probability that you will see the movie in theater one and sit in the front row?
Two events are independent. The probability that you are going to see the movie in theater one is 25%. The probability that you will sit in the front row is 10%. What is the probability that you... more
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08/01/19

If you walk four miles per hour how long will it take you to walk one mile
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08/01/19

Sandi can make a quilt in 9 days and Eva can make a quilt in 5 days. In how many days can they make a quilt working together?
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08/01/19

What is the difference between a mountain that has an altitude of 3738 feet and a desert valley that is 491 feet below sea level?

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08/01/19

Word problem solver
Teresa, Carlos and David have a total of $68 in their wallets. Carlos has 3 times what David has. Teresa has $7 less than David. How much does each have?
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08/01/19

The difference between a number multiplied by seven and fourteen is greater than nine.
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