Tuesday

July 22, 2014

July 22, 2014

Total # Posts: 30

**algebra 2**

I=nE/R+nr solve for R.

**Geometry**

Two angles are supplementary if the sum of their measures is 180∘. If the measure of one angle is 16x degrees, represent the measure of its supplement as an expression of x.

**Math**

(a) sqrt(23) (b) sqrt(9) (c) (10/21) (d) (12/4) (e) 58 (f) −33 (g) 0 From the list above, determine the corresponding letters of the numbers that are (a) whole: (b) integers: (c) rational:

**physics**

please help !!!

**physics**

The auroral zone is defined by the last field line from the Earth that returns to the Earth. If the field of the earth extends no further than 10RE in the sunward direction, at what angle (in degrees) in the picture above does the last field line that returns to the earth on t...

**physics**

URGENT !! PROBLEM 2 !! D:

**mechanics**

The figure below shows a ball with mass m = 0.299 kg attached to the end of a thin rod with length L = 0.388 m and negligible mass. The other end of the rod is pivoted so that the ball can move in a vertical circle. The rod is held horizontally as shown and then given enough o...

**math**

A box of chalk and 2 staplers cost $10. Three boxes of chalk and 2 staplers cost $18.Find the cost of 1 box of chalk and 1 stapler.

**math**

5:9

**math**

there are 20 cars and 36 trucks in a parking lot what ratio accurately compares the number of trucks to cars

**math**

if the ratio of free throws made to free throws attempted is 5 to 6 what would be the possible number of free throws made and free throws attempted

**math**

how would you write the ratio of 4 white shirts to 6 red shirts

**physics**

A sound wave, traveling at 337m/s, is emitted by the foghorn of a tugboat. An echo is heard 1.4 s later. How far away is the reflecting object?

**Geometry **

4x-2(3x-7)+ 2=0

**Geometry **

x-1 7 . ---=- . 4 8 ignore the dots

**statistics**

in a distribution of scores with a mean of 1500 and a standard deviation of 250, what is the 95th percentile?

**statistics**

a distribution has a mean of 5 and a standard deviation of 2, what is the z score of 8 ?

**Stats**

225.209 :]

**Stats**

In a distribution of scores with a mean of 234 and a standard deviation of 47, what is in the 43rd percentile ? and what formula do i use ?

**Stats**

In a distribution of scores with a mean of 234 and a standard deviation of 47, what is in the 43rd percentile ? and what formula do i use ?

**geometry**

how do i solve this. the measure of each side of an equilateral triangle RST with RS = 2x +2, ST =3x and TR

**Math 7th grade**

40/n = 28/22 what is n?

**math**

-3(x=8)

**clothing and textile**

name two elements of desing apart from line

**Business/ Math/ Investment**

1a- the future value of the CD at the end of the investment will be $ 4121.51. 1b- the interest earned for that period will be $ 121.51. 1c- the effective rate of the investment will be 6.17%. 2a- the future value at the end of the 6 months will be $4060.45. 2b- the interest e...

**math**

solve tang3x+1=sec3x

**math**

please do, it would be very helpful

**math**

write an equation in slope intercept form to represent the table of values. x=2 3 5 6 y=-3 -4 -6 -7 please help me solve it, i find it complicating

**4th grade**

Write the missing number in each fraction so that the fraction belongs in the box. Write one more fraction that can go in the box. 1. 2/3 /9 12/ 20/ /12

**Science**

Nitrogen, carbon, water and hydrogen make up more than what percentage of the mass of the human body?

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