3h

#### The sum of two numbers is 64. Show that their product has a maximum of 1024.

please show detailed working out I have trouble understanding this even though it looks easy.

6h

#### find the slope intercept form and the point slope

the line parallel to x=-4 going through points (-5,10)

9h

#### My question is all about physics cbt

The statement below was made by some students describing what happened during the determination of the melting point of solids. (1) The temperature of the solid was constandt until melting started.... more

#### TI-84 Plus Question.

I am trying to do log on my TI-84 Plus, and it always equals 0 for any problem I do.How would I do the problem log3(x)=-2? (base of 3)Another one I had also was 4^(4x)=16^(x+1).Thanks!

14h

19h

#### Calculus 3 Parametric

Find the surface area of the part of the plane z=6+2x+3y that lies inside the cylinder x^2+y^2=16

19h

#### Is the entropy of the universe increasing or decreasing? Do you think the sum total of the actions of humanity is increasing or decreasing entropy overall?

Is the entropy of the universe increasing or decreasing? Do you think the sum total of the actions of humanity is increasing or decreasing entropy overall?

19h

A swimming pool holds 600,000 liters of water. The pool has two drainage pipes. When the pool is completely full, the first pipe alone can empty it in 150 minutes, and the second pipe alone can... more

19h

#### indicated probability

Assume the random variable x is normally distributed with mean μ=80 and standard deviation σ=4. Find the indicated probability.​P(x<78​)

19h

#### Gravitational Potential Energy physics

Candy bar has an energy content of 212 Cal = 212 kcal = 8.87 x 105 J. If 81.0 kg mountain climber eats the bar, how much altitude (y) should she be able to gain? (Assume her body is 100% efficient... more

19h

#### Physics spring constant

Our system is a block attached to a horizontal spring on a frictionless table. The spring has a spring constant of 4.0 N/m and a rest length of 1.0 m, and the block has a mass of 0.25 kg.  Compute... more

#### Physics finding mechanical energy

An object that follows Hooke’s Law is hanging 2 m above the ground with a mass of 1.5 kg and a spring constant of 1.2 N/m. If the object is at rest when stretched 0.25 m, what is its total... more

19h

#### What is the pH of a solution that is 1.5 M NaOH in water?

What is the pH of a solution that is 1.5 M NaOH in water?What is the H3O+ concentration of a solution that has a pOH of 10.6?What is the pH of a benzoic acid solution that is 1.5 M in water (Ka =... more

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