# Posts by Ruben

Total # Posts: 36

**Math**

3' x 4.5' quilt, 24 equal squares, i need to know the side length of one square, i need to show the equation to show my work.

*February 6, 2017*

**math help please**

Write a ratio for the situation in three ways, comparing the first quantity to the second quantity. A zoo has 17 monkeys and 12 chimpanzees. (1 point) 12 to 17, 12:17, twelve over seventeen17 to 12, 17:12, 17 over 1217 to 22, 17:22, 17 over 1217 to 12, 12:17, 17 over 12 2. ...

*December 14, 2015*

**math**

Which of the following statements is always true of similar polygons? (1 point) Corresponding angles of similar figures have the same measure. The lengths of corresponding sides form equivalent ratios. The lengths of corresponding sides have the same measure. both (a) and (b) ...

*December 9, 2015*

**Math**

I don't know

*January 25, 2015*

**math**

88+11

*October 6, 2014*

**algebra 2**

I=nE/R+nr solve for R.

*May 8, 2014*

**science**

4.947m

*September 25, 2013*

**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.

*August 29, 2013*

**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:

*August 28, 2013*

**physics**

please help !!!

*April 10, 2013*

**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 ...

*April 10, 2013*

**physics**

URGENT !! PROBLEM 2 !! D:

*April 7, 2013*

**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 ...

*November 2, 2012*

**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.

*September 27, 2012*

**math**

5:9

*March 20, 2012*

**math**

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

*March 20, 2012*

**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

*March 20, 2012*

**math**

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

*March 20, 2012*

**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?

*January 16, 2012*

**Geometry**

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

*August 25, 2011*

**Geometry**

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

*August 25, 2011*

**statistics**

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

*February 26, 2011*

**statistics**

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

*February 26, 2011*

**Stats**

225.209 :]

*February 26, 2011*

**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 ?

*February 26, 2011*

**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 ?

*February 26, 2011*

**geometry**

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

*December 14, 2010*

**Math 7th grade**

40/n = 28/22 what is n?

*December 13, 2010*

**math**

-3(x=8)

*October 11, 2010*

**clothing and textile**

name two elements of desing apart from line

*May 4, 2010*

**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 ...

*April 24, 2010*

**math**

solve tang3x+1=sec3x

*March 16, 2010*

**math**

please do, it would be very helpful

*May 20, 2009*

**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

*May 20, 2009*

**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

*February 26, 2009*

**Science**

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

*September 8, 2008*

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