ruben
Most popular questions and responses by ruben
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,
asked on 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
asked on December 9, 2015 
algebra 2
I=nE/R+nr solve for R.
asked on May 8, 2014 
Math
Round 156.29 to nearest tenth and hundredths
asked on November 3, 2017 
statistics
in a distribution of scores with a mean of 1500 and a standard deviation of 250, what is the 95th percentile?
asked on February 26, 2011 
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
asked on November 2, 2012 
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 ?
asked on 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 ?
asked on 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
asked on December 14, 2010 
math
ruben is thinking of a number x.if he multiplies the number by 5 and then subtracts 12 from the product, the answers he gets is equal to 3 times x. what is x?
asked on October 9, 2017 
math
there are 20 cars and 36 trucks in a parking lot what ratio accurately compares the number of trucks to cars
asked on March 20, 2012 
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
asked on February 26, 2009 
math
how would you write the ratio of 4 white shirts to 6 red shirts
asked on March 20, 2012 
Science
Nitrogen, carbon, water and hydrogen make up more than what percentage of the mass of the human body?
asked on September 8, 2008 
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.
asked on February 6, 2017 
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
asked on April 10, 2013 
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.
asked on September 27, 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
asked on March 20, 2012 
Geometry
4x2(3x7)+ 2=0
asked on August 25, 2011 
math
solve tang3x+1=sec3x
asked on March 16, 2010 
math
88+11
asked on October 6, 2014 
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.
asked on 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:
asked on August 28, 2013 
Geometry
x1 7 . = . 4 8 ignore the dots
asked on August 25, 2011 
statistics
a distribution has a mean of 5 and a standard deviation of 2, what is the z score of 8 ?
asked on February 26, 2011 
Math 7th grade
40/n = 28/22 what is n?
asked on December 13, 2010 
math
3(x=8)
asked on October 11, 2010 
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
asked on May 20, 2009

Math
2/4
posted on February 28, 2018 
science
0 m/s^2
posted on October 14, 2017 
Math
Which is greater three sets of (52) or two sets of (2+3) draw diagrams to support your conclusion.
posted on September 13, 2017 
science
4.947m
posted on October 1, 2014 
physics
please help !!!
posted on April 10, 2013 
physics
URGENT !! PROBLEM 2 !! D:
posted on April 10, 2013 
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?
posted on August 22, 2012 
math
5:9
posted on March 20, 2012 
clothing and textile
name two elements of desing apart from line
posted on January 12, 2012 
Stats
225.209 :]
posted on February 26, 2011 
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
posted on January 12, 2011 
math
please do, it would be very helpful
posted on May 20, 2009