06/21/20

How do I solve for density?
Osmium has a density of 22.6 g/mL. What volume (in mL) would be occupied by a 21.8 g sample of Osmium?Iron has a density of 7.9 g/cm^3. What is the mass of a cube or iron with the length of one... more
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06/20/20

3 unknowns word problem
Carmen, Henry, and Milan served a total of 104 orders Monday at the school cafeteria. Henry served 2 times as many orders as Milan. Carmen served 8 more orders than Milan. How many orders did they... more
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06/20/20

Algebra homework

The following rectangle has a perimeter of 38 feet. 2x-3, x+1, 2x-3, x+1. Solve for x.
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06/20/20

Shifting functions
F(x)=x(squared) find the formula of the function g. It shifts right 2 and up 2
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06/19/20

A handball court is 50cm by 35cm.find the perimeter of the court
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06/19/20

Home work need right answer
A wealthy but not too smart bungee jumper decides to replace the bungee cord with a golden chain. Explain the physics of why this is a bad idea. A 22 kg child runs with a... more
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06/18/20

Including a 5% sales tax, a hotel charges $205.80 per night. Find the hotel's nightly cost before tax is added.
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06/18/20

Write an equation that goes thru (4,2) and is perpendicular to x=-2
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06/17/20

Verify Integral is correct
How do I verify if this is correct? ∫xsin x dx = -xcosx+sinx+C
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06/16/20

The distance from his toes to the water’s surface in feet t seconds after he leaves the board is d = -16t2 + 18t + 10.(a) How long does it take Ivan’s toes hit the water?
(b) What might the constant term 10 in the equation tell you about Ivan’s jump?
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06/16/20

The quotient of two numbers is 1. Their sum is 12. What are the two numbers?
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06/16/20

Rewrite the function by completing the square . g(x) = 4x ^ 2 - 28x + 49
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06/16/20

he radius, R , of a sphere is 4.2 mm . Calculate the sphere's volume, V . Use the value 3.14 for π , and round your answer to the nearest tenth
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06/16/20

arrow question help
An arrow was shot in a parabolic path according to        Where a(t) is the height above the ground and t is the time in seconds.Figure the time after the arrow is released that it  reaches ... more
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06/16/20

At a certain food truck, hot dogs cost $3 and burgers cost $5 . A customer ordered 7 items and spent $27 .
 1) If x is the number of burgers the customer bought and y is the number of hot dogs, write a system of equations that models the problem and graph it.2) How many of each item were purchased?
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06/15/20

Why is the square root of f(x)= √ x - 4, when x=4, equal to f(-2) and not f(0)?
If you give x the value of 4 and 4-4=0 isn't the square root 0?Is there an order to follow?Thanks
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06/15/20

Which of the following is equivalent
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06/15/20

For what value(s) of k will the function will have no zeros?

For what value(s) of k will the function have no zeros?
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06/15/20

Word problem algebra

If Jill climbed up on the shed and threw the snowball at a speed of 30 ft/ sec. the shed roof is 15ft off the ground . How long will it take for the snowball to hit the ground next to Peter on the... more
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06/15/20

A 72.0 kg firefighter climbs a flight of stairs 29.0 m high, how much work is required?
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06/14/20

Radioactive Decay

Strontium-90 is a radioactive isotope that decays exponentially at a rate of 2.8% per year. The amount of strontium-90, S, remaining after t years can be determined by the function S1t2 =... more
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06/14/20

What is the EMF induced when the magnetic field changes from 2.3 T to 0.5 T in 10 seconds with a 2 m by 4 m rectangular conductor positioned perpendicular to the field?
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06/14/20

What is the EMF induced when the magnetic field changes from 2.3 T to 0.5 T in 10 seconds with a 2 m by 4 m rectangular conductor positioned perpendicular to the field?
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06/14/20

Word problem algebra

H=-16t2+40t+5 .. at 1.25 seconds , the snowball reaches the peak of its trajectory. How high did Jill throw the snowball? Then how high was the snowball just before it left jill’s hand? Last figure... more
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06/14/20

slope intercept
y=-9x+-6what is the equation of the line in slope-intercept form?
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