# ruben

Most popular questions and responses by ruben
1. ## 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
2. ## 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
3. ## algebra 2

I=nE/R+nr solve for R.

asked on May 8, 2014
4. ## Math

Round 156.29 to nearest tenth and hundredths

asked on November 3, 2017
5. ## 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
6. ## 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
7. ## 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
8. ## 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
9. ## 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
10. ## 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
11. ## 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
12. ## 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
13. ## math

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

asked on March 20, 2012
14. ## Science

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

asked on September 8, 2008
15. ## 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
16. ## 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
17. ## 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
18. ## 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
19. ## Geometry

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

asked on August 25, 2011
20. ## math

solve tang3x+1=sec3x

asked on March 16, 2010
21. ## math

88+11

asked on October 6, 2014
22. ## 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
23. ## 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
24. ## Geometry

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

asked on August 25, 2011
25. ## 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
26. ## Math 7th grade

40/n = 28/22 what is n?

asked on December 13, 2010
27. ## math

-3(x=8)

asked on October 11, 2010
28. ## 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
1. ## Math

2/4

posted on February 28, 2018
2. ## science

0 m/s^2

posted on October 14, 2017
3. ## Math

Which is greater three sets of (5-2) or two sets of (2+3) draw diagrams to support your conclusion.

posted on September 13, 2017
4. ## science

4.947m

posted on October 1, 2014
5. ## physics

posted on April 10, 2013
6. ## physics

URGENT !! PROBLEM 2 !! D:

posted on April 10, 2013
7. ## 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
8. ## math

5:9

posted on March 20, 2012
9. ## clothing and textile

name two elements of desing apart from line

posted on January 12, 2012
10. ## Stats

225.209 :]

posted on February 26, 2011
11. ## 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
12. ## math

please do, it would be very helpful

posted on May 20, 2009