# Ro

Popular questions and responses by Ro
1. ## maths

What is the 50th term of the linear sequence below? 27 , 25 , 23 , 21 , 19 ,

2. ## Science

which of these two methyl orange and phenolphthalein gives more reliable and consistent results in the titration of H3PO4 with NaOH

3. ## chemistry

The average human body has 1.4x10^2 g of total K within it. Calculate the activity in disintegration/year of the potassium-40 in the average human body using your value of t1/2 (or K) of this substanc

4. ## physics

A weight of 30.0 N is suspended from a spring that has a force constant of 180 N/m. The system is undamped and is subjected to a harmonic driving force of frequency 11.0 Hz, resulting in a forced-motion amplitude of 5.00 cm. Determine the maximum value of

Angle elevation of sun is 25 degrees. Find the length the shadow cast by a tree 41 feet tall.

6. ## math

Statistics: Analyze student exam scores Students were given an exam with 300 multiple choice questions. The distribution of the scores were normal and the mean was 195 with a standard deviation of 30. you may find it helpful to draw out this distribution

7. ## math

An artifact was found and tested for its carbon-14 content. If 79% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? (Carbon-14 has a half-life of 5,730 years.)

8. ## math

Given the observed responses in a series of trials, find the probability a person is selected who responded with A, B, or C? Event Occurrences A 25 B 30 C 18

9. ## math

a boy is walking at dusk and notices his shado from a nearby street light. the boy is 5 feet tall and the street light is 12 feet above the ground. When the boy is 4 feet from the base of the street light how long will his shadow be?

10. ## math

Simplify 2 3/18 + 5 3/12 - 4 2/4

Find altitude of isosceles triangle if angle=53 degrees and base is 8 inches.

12. ## Math

Find altitude of isosceles triangle if รจ=53 degrees (the equal angles) and the base is 8 inches.

13. ## Math Fractions Vocabulary

What is "one of two numbers whose product is one". It's in a crossword, 21 letters, 4th letter is "T". Please help!

14. ## History - Common Sense Thomas Paine

Why would the colonists loyal to the British object to Thomas Paine's Common Sense?

15. ## trig

Find altitude of isosceles triangle if angle=53 degrees (the equal angles) and the base is 8 inches.

16. ## PSY 285

how can social cognition may both positively and negatively affect one's attitudes and behaviors?

17. ## finance

A speculator sells a stock short for \$55 a share. The company pays a \$2 annual cash dividend. After a year has passed, the seller covers the short position at \$45. What is the percentage return on the position (excluding the impact of any interest expense

18. ## physical science

What is a compound that has water chemically attached to its ions?

19. ## math

simplify 5+ 1/3x1/3x1/3-(1/9+1/9)

20. ## Math

What force do you have to apply weighing 1000 ibs to have it accelerate to .2 m sec

21. ## math

5/22 - 1 /41 then reduce

22. ## math

Solve: Eighty people were invited to vote in thr extension club's elections and 9/10 of them voted. How many people voted in the elections?

23. ## Need website showing regional cultural differences

a table would be great!

1. ## Chemistry

0.417

posted on April 3, 2020
2. ## Math

Ok so, i see a lot of people saying 36 but I just wanna know how to get that answer step-by-step

posted on October 25, 2019
3. ## world civ.

river

posted on September 25, 2019
4. ## science

I think u shouldve gave the words, but ok

posted on August 21, 2019
5. ## Principles of Finance

100000

posted on November 18, 2017
6. ## Check my Science questions?

Same Geislyn

posted on November 25, 2015
7. ## physics

prob 11: its a=3/5 as the probability of occurrence of |0> is 9/25 with normalisation, we find out b=4/5

posted on August 18, 2013
8. ## Algebra

76

posted on June 6, 2013
9. ## math

thanks so much!

posted on April 30, 2012
10. ## French

je sais faire la tarte aux pommes

posted on April 27, 2011
11. ## History

a

posted on January 27, 2011
12. ## Need website showing regional cultural differences

world regions, thank you!

posted on November 10, 2007