03/06/20

Suppose that 11 inches of wire cost 44 cents. How much will 4 inches of wire cost.
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03/05/20

Write the equation in slope-intercept form of the line that has a slope of 2 and contains the point (1, 1).
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03/05/20

Find the missing value for the radioactive isotope. (Round your answer to two decimal places.)
Isotope Half life (years) Initial Quantity Amount after 1000 Years 226Ra 1599 6 g  ? g
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03/05/20

You start at (2, 10). You move down 9 units and right 2 units. Where do you end?
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03/05/20

physics question 1
Determine magnitude of the electric field at the point P shown in the figure. The two charges are separated by a distance of 2  from the midpoint between them. Point P is on the perpendicular... more
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03/05/20

electric flux questions
Two objects, O1 and O2 , have charges +2.5uC  and -3.0 Uc, respectively, and a third object, O3, is electrically neutral.1.What is the electric flux through the surface  that encloses all three... more
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03/05/20

A weightlifter lifts a set of 1250kg weights a vertical distance of 2m in a weight lifting contest. What Potential Energy do the weights now possess?
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03/05/20

A square has sides of length 38.8 yards. What is the perimeter?
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03/04/20

Formula A = 0.5bh and b = 18 and h = 20.

One, I did 5 x b + 5 x h = 14. Second, I did (5 x b) x h = 80. Which one is right?? This is area of a triangle if that helps in any way
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03/04/20

Math equation in distributive property
I need help with 7x - 28 and in needs to be in distributive property
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03/04/20

A box of nails costs $2.25. A box of screws costs 1.2 times as much as the box of nails. What is the cost of the box of screws?
A box of nails costs $2.25. A box of screws costs 1.2 times as much as the box of nails.What is the cost of the box of screws? need done asap
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03/04/20

If the area of the figure is 128 inches squared. What is the perimeter? The measurements are 4 and 5x+7
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03/04/20

Write an equation from a word problem
w decreased by 33 equals 72
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03/04/20

Which expression is equivalent to -1/3(6x+15)-3?
A) -2x+12B) -2x+2C) -2x - 2D) -2x - 8
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03/04/20

what is the value of f(x) when x =-8
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03/04/20

Is this correct?
Solve for z: x = 2.5y x + y + z = 66 x - 2y - 2z = -12(A) z = -102(B) z = 16(C) z = 10(D) z = -74(E) None of the aboveFor this I got; (C) z = 10. Is this correct?
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03/04/20

what is the angle between the wire and the magnetic field?
The magnetic force exerted on a 1.650m straight wire is 1.975N. The wire carries a current of 5.30A in a region with constant magnetic field of 0.250T. what is the angle between the wire and the... more
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03/04/20

what is 45% of 20?
i need help on this math problem now please someone!
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03/03/20

Find an equation of the circle that has center (-6,-6) and passes through (-4,1)
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03/03/20

By what factor are the wavelengths in this star's spectrum changed?
A distant star is traveling directly away from Earth with a speed of 40000 km/s  .By what factor are the wavelengths in this star's spectrum changed?
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03/03/20

A 25 N force is used to push a 5 kg block across a frictionless surface. What is the acceleration of the block after the force is removed?
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03/03/20

A 1.3 N force is used to push a 2 kg block across a frictionless surface. What is the acceleration of the block caused by this force? Report your answer to 2 decimal places.
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03/03/20

The sum of three numbers is 113. The second number is 4 times than the third. The third number is 5 less than the first. What are the numbers?
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03/03/20

Calculate the speed for a car that went a distance of 125 kilometers in 2 hours.
science question about speed
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03/03/20

e/r=i solve for r
why can't you multiply by 1/e to both sides? I got r = i/e but the equations aren't equivalent.
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