Mark J.

Math

11/04/19

an ice cream factory makes 150 quarts of ice cream in 10 hours . How many quarts could be made in 12 hours

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Precalculus

11/03/19

Find all solutions to 2sin^2x-3cosx=3.

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Math Pre Algebra Help

11/01/19

Pls help me with my homework I need help

The cold water faucet can fill the tub in one half-hour. The hot water faucet can fill the tub in one hour how long will it take to fill the tub with both faucets running? Justify your answer

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Algebra 1

11/01/19

the population of a town is 20,000 and it grows at a rate of 5% per year.What will the population be in 4 years

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Physics

10/31/19

Physics energy questions

1.A person eats an 141,000 J snack before working out. If the person uses all of their eaten energy to lift a 14 kg weight. How high can they lift the weight?2.A spring has 2,305 J of energy stored... more

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Math

10/31/19

Find the midpoint between P(-7) and Q(3) on a number line

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Mathematics

10/29/19

I'm in Eighth grade, and I just need help to understand this question. My math teacher is sick and out.

A rectangular athletic field is twice as long as it is wide. If the perimeter of the athletic field is 9090 yards, what are its dimensions?What is the width? What is the length?

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Physics

10/29/19

Which heights to use when in the equation

When a 0.40-kg block is suspended on a vertical spring, it causes it to stretch 3.00 cm. If the block is now pulled 7.80 cm below its equilibrium position and released, what is the speed of the... more

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Differential Equations

10/29/19

ax+by-c=0 solve for y

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Algebra 2

10/28/19

Linear systems in 3 variables

Solve the system. x - y - z = -32x + y - 6z = 20x - 2y + z = -13

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Math

10/28/19

Write the equation of the circle with center at the origin and the radius of 7

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Math

10/27/19

The electrical resistance of a wire varies directly with the length and inversely with the square of the diameter of the wire

If a wire 432 feet long and 4 millimeters in diameter has a resistance of 1.24 ohms, find the length of a wire of the same material whose resistance is 1.44 ohms and whose diameter is 3 millimeters.

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Geometry

10/19/19

Line ℓ has equation y=x–4. Find the distance between ℓ and the point T(1, - 6). Round your answer to the nearest tenth.

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Math

10/18/19

if x= 10 and z=-20 what is |x+z|?

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Math

10/18/19

how long will it take money to triple if it is invested at 7 compounded weekly

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Math Quantative Reasoning

10/18/19

QR Math question

A pancake 4 inches in diameter contains 7 g of fat. How many grams of fat are in a pancake 6 inches in diameter?

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Physics

10/17/19

A cannon ball is fired directly upward with a velocity of 215 m/s. How long does it take to fall back to the ground? s How fast is it going when it hits the ground? m/s

a. A cannon ball is fired directly upward with a velocity of 215 m/s. How long does it take to fall back to the ground? sb. How fast is it going when it hits the ground? m/s

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Precalculus

10/17/19

Find a so that f(x) = ax2 + 6x + 3 has two real roots.

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Algebra 1

10/17/19

How to solve this algebra word problem

Malik a chemist has a 32 %sulfuric acid solution and an 89% sulfuric acid solution on hand. If he mixes 12 liters of the 32% sulfuric acid and 5 liters of the 88^ sulfuric acid, what will be the... more

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