Thursday

July 31, 2014

July 31, 2014

Total # Posts: 7

**Math**

Umm Im in 5th grade and I do not under stand this at all because I don't know what the brakets are and how do you you use them heres the question 108 + 3[15 - (3 + 9)]=?

**math**

-2.72

**math**

One side of a right triangle is known to be 45 cm long and the opposite angle is measured as 30°, with a possible error of ±1°. (a) Use differentials to estimate the error in computing the length of the hypotenuse. (Round your answer to two decimal places.) &plu...

**trig**

sin [sin -1 (7/25) - cos -1 (-8/17)]

**Social studies**

What were the earliest civilizations in Mesopotamia? What would be a physical description of Mesopotamia? Cultural description of southwest Asia?( main language, religion, resources,etc)

**trig**

Points A and B are 150 m apart on one bank of a river. Point C is on the other bank of the river. The line of sight distance from A to C forms an angle and 28 degrees with the AB side of the river bank and the line of sight distance form B to C forms an angle of 56 degrees wit...

**math algebra**

3.14

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