Monday

July 28, 2014

July 28, 2014

Total # Posts: 24

**math**

a square sheet of tin 30cm on a side is to be used to make an open - top box by cutting a small square of tin from each corner and bending up the sides. how large should be the square cut from each corner to make the box's volume as large as possible

**Math Technology**

A pilot is flying to a destination 700 miles away at a bearing of 105 degrees. The cruising speed of the plane is 500 mile per hour and the the wind is blowing between 20 and 30 miles per hour at a bearing of 30 degrees. At what bearing should the pilot aim the plan to compens...

**geometry**

what is the distance between N(5,2),K(-2,8)

**math**

pauline has 35 cups of flour. She makes cakes tht require 2 1/4 cups each. if she makes as many such cakes as she has flour for, how much flour will be left over?

**Math**

what is 1/5 in base 5?

**Chemistry**

Urea, (NH2)2CO, is dissolved in 73.5 g of water. The solution freezes at -0.095°C. How many grams of urea were dissolved to make this solution? (Answer must be in grams)

**Chemistry**

In a mountainous location, the boiling point of pure water is found to be 95°C. How many grams of sodium chloride must be added to 9 kg of water to bring the boiling point back to 99°C? Assume that i = 2. So what will my answer be in grams?

**math**

Yes, thanks so much! Irma

**math**

Repeated addition is like 4+4+4

**math**

Write a word problem for 5 x 2 1/2 which requires the use of repeated addition model.

**5th grade algebra**

how do I solve 3/4 +1/2= 1 1/y y=?

**algebra**

If LOGx (A)=0.7 and LOGx (B) =0.5 how do I solve LOGx (B/A)

**algebra**

ln(3x-4)-Ln(x+1)=Ln(2)

**college algebra**

Am not sure how to plug in e^e on calculator

**college algebra**

3^x-2=11

**college algebra**

Do not know how to evaluate: e^e

**college algebra**

Solve: 2^x-3= 32^x+1

**Economics**

If at least 1 of the conditions for a perfectly competitive market is not met, does this invalidate the model of perfect competition?

**intermediate algebra**

A farmer with 3000 feet wants to enclose a rectangular plot that borders on a straight highway. If the farmer does not fence the side along the highway, what is the largest area that can be enclosed?

**intermediate algebra**

A farmer with 3000 feet of fencing wants to enclose a rectangular plot that borders on a straight highway. If the farmer does not fence the side along the highway, what is the largest area that can be enclosed?

**chemistry**

P total = 0.45 + 0.25 + 0.60 = 1.3

**chemistry**

What is the total pressure of a gas mixture that contains hydrogen at 0.45 atm, nitrogen at 0.25 atm, and argon at 0.60atm

**chemistry**

What is the total pressure of a gas mixture that contains hydrogen at 0.45 atm, nitrogen at 0.25 atm, and argon at 0.60atm

**chemistry**

what are the reasons why the Cu(II) solution has to be titrated immediately after addition of KI?

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