# Aidan

Popular questions and responses by Aidan
1. ## Math

A carpenter is putting a skylight in a roof. If the roof measures 4x + 5 by 7x + 7 and the skylight measures 10x + 10 by 2x + 6, what is the area of the remaining roof after the skylight is built. Put your answer in factored form.

2. ## Math

Which number is greater than 5.5 times 10-7 and less than 5.5 times 10 7

3. ## Math

Rena knows a dollar coin has a mass of a little than 10 grams. She guessed that 1 kilogram of dollar coins would be worth dollars. Is this prediction reasonable ? Explain your thinking

4. ## chemistry

Calculate the quantity of heat gained or lost: a) 3.50 mol H2O freezes at 0.0 oC b) 0.44 mol of steam condenses at 100 oC

5. ## Chemistry

Which is a conjugate pair in the following equilibrium? H2C2O4(aq) + HPO4(aq) 2- HC2O4(aq)- + H2PO4(aq)-

6. ## Science Chemistry

if 4.35 kj of energy are needed to heat a sample of water from 62C into steam at 100.0C what is the mass of the sample

7. ## Math

Ben decides to get an ice cream cone. He is going to choose two toppings out of an available six. Ben also has to choose between a plane cone or a waffle cone. If he chooses vanilla ice cream how many different combinations of toppings and cones does he

8. ## Biology

what can you say about the amount of hydrogen ions relative tot he amount of hydroxide ions in a solution that has a pH of 2?

9. ## Physics

Two students are on a balcony 24.3m above the street. One student throws a ball, B1, vertically downward at 12.5 m/s. At the same instant, the other student throws a ball, B2, vertically upward at the same speed. The second ball just misses the balcony on

10. ## physics

The terminal velocity of a 4×10−5 {\rm kg} raindrop is about 9 {\rm m/s}. Assuming a drag force F_{\rm{D}} = - bv, Assuming a drag force determine the value of the constant b.

11. ## Chemistry

Are the molecular and imperical formula of lauryl alcohol the same? C12 H26 O?

27. ## math

there are 6 rows with 18 chairs in each row. in the center of the chairs, 4 rows of 6 chairs are brown. the rest of the chairs are blue. how many chairs are blue?

Assume that the fish have an average mass of 280g. The average caloric value is 8kcal/g. The heron is able to digest 60% of the fishes’ mass. How many will it need to eat to sustain its caloric intake of 3,000kcal/day?

29. ## physics

I am flying a plane capable of an airspeed of 100 km/hr. If the wind velocity was 45 km/h , in what direction would I have to fly in order to follow the track to my destination. And how long would this trip take? The distance between my starting point

30. ## physics

A person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of vi = 13 m/s. The cliff is h=37 m above the water's surface, as shown below. With what speed does it strike the water?

31. ## chemistry

Will the following reaction occur Spontaneously? Show your work and reasoning in each case 1. Ca(s) + Sn^4+ -->

32. ## Physics

A rocket moves upward starting from rest with an acceleration of 32.5 m/s^2 for 4.52s. It runs out of fuel at the end of the 4.52 s but does not stop. How high does it rise above the ground?

33. ## Physics

Hail of a diameter of 1 cm fall at a constant speed of 25 m/s. There is estimated to be 120 hailstones per cubic meter of air. Mass of each hailstone is .482g. Assuming the hail does not bounce, find the average force on a flat roof measuring 10m by 20m,

34. ## physics

It takes a plane flying at 150 km/h, 3.0 minutes to fly around a cloud at an altitude of 3000m. What is the diameter of the cloud

35. ## Physics

A cue ball travelling at 7.6 m/s strikes the eight ball. The eight ball moves away from the collision at an angle of 22 deg. on one side of the initial line of travel. The cue ball moves away at 33 deg on the other side of the initial line of travel. What

36. ## Chemistry

What types of intermolecular forces allow CO2 to dissolve in water? Do CO2 and H20 have a relatively strong or weak attraction?

37. ## Chemistry

Write equilibrium Constant expressions (k) for the following reactions: Ni(s)+ 4CO(g) Ni(CO)₄ HF(aq) H(aq) + F(aq) Cl₂(g)+2Br(aq) Br₂(l) + 2Cl(aq)

38. ## Chemistry

This lab is ruining me. isopentyl acetate is a blend of isopentanol, acetic acid, and sulfuric acid. How can products be determined from this information? ethyl acetate is ethyl alcohol, acetic acid and sulfuric acid. Octyl Acetate is n-octanol,

39. ## Chemistry

What types of products would you expect to find in methyl salicylate, isopentyl acetate, ethyl acetate, and octyl acetate. I'm lost. Any ideas?

40. ## Chem

Find the number of protons and electrons of N-3. Would it be 7protons, and 4electrons? or 7 protons, and 7electrons?????

41. ## Chem

Naturally occurring cobalt consists of only one isotope, cobalt59, whose relative atomic mass is 58.9332. A synthetic radioactive isotope of cobalt60, relative atomic mass 59.9338, is used in radiation therapy for cancer. A 1.8155 sample of cobalt has an

42. ## maths

what is a* in algebra

43. ## MUSIC THEORY PLZ HELP

ive been writing a composition for my school jazz combo. its in E minor. apparently i have to write the tenor sax and soprano sax in a different key signature. whats going on? Compose the tenor and soprano parts in a key signature that is relative to E

1. ## bio

It is conjugation just took the test and got it right

posted on July 29, 2020
2. ## history

secular rulers

posted on May 18, 2020
3. ## Math

Ok why are there not any answers that work.

posted on April 17, 2020
4. ## Physics

Kate I think Your response is a little late

posted on April 7, 2020
5. ## Math

Just tell me the answer I don't wanna explain it myself

posted on March 9, 2020
6. ## Math

posted on February 25, 2020
7. ## math

I DONT GET IT

posted on October 23, 2019
8. ## math

Bro fr?! We're all in connections academy??(so am i)

posted on October 1, 2019
9. ## science virus

I needed to know this for my homework I believe it is active

posted on September 28, 2019
10. ## physics

tf

posted on April 29, 2019
11. ## Physics

yo this is garbage, didn't solve my question

posted on January 3, 2019
12. ## Algebra

Its a low ha ,or aloha

posted on April 4, 2018
13. ## History

posted on February 21, 2018
14. ## math

I need help with the same thing if someone could do it for me I could really use the help

posted on December 22, 2017
15. ## Analogies

steam

posted on December 4, 2017
16. ## Math

When is this ever gonna matter at all no guy is gonna randomly ask you if the Missouri River is 2540 miles long and the Mississippi River is 23/25 of that length then what is the length of the Mississippi River and technically the correct answer is 2,320

posted on October 19, 2017

-_- -_- =-=

posted on February 20, 2017
18. ## Health

a pound of butter since lean meat has less fat than a pound of butter therefore a pound of butter has more calories

posted on February 16, 2017
19. ## Math I REALLY NEED HELP!!!!!!!!!

I think it would be A because if you do (2,2) and multiply both the 2's by 4 you will get (8,8). I hope this helps.

posted on January 19, 2017
20. ## English

posted on January 5, 2017
21. ## math

35m,40m

posted on November 22, 2016
22. ## Science

speed is made of two things they are? Distance and time.

posted on September 15, 2016
23. ## Math

posted on October 20, 2015
24. ## Biology 205

what purification process bears Louis Pasteur name

posted on December 11, 2014
25. ## Biology 205

fdtwtw

posted on December 11, 2014

Thank you SO much

posted on September 20, 2012

(94 - 6) / (66/6) = 88 / 11 = 8 88 / 11 = 8 8 = 8

posted on September 20, 2012
28. ## math

hello zach.

posted on February 1, 2012
29. ## math

90% by the way when converting decimals to percent times it by 100

posted on October 3, 2011

Thanks!

posted on August 30, 2011
31. ## algebra

You factor (x-3)(x+8) x= 3,-8

posted on August 30, 2011

We get... OH wait, do we do 0.0569 X 1.8155g = 0.103g ? so cobalt60=0.103g

posted on August 30, 2011
33. ## Pre-Algebra

The coordinates would be along the 270degrees line. It would be along the y-axis between the third and four quadrant line.

posted on August 29, 2011
34. ## chemistry

you use the density formula density=mass/volume and solve

posted on August 29, 2011
35. ## Chem

thank you!

posted on August 29, 2011
36. ## Chemistry

Thanks so much for the help.

posted on March 4, 2010
37. ## Chemistry

what happens at the molecular level if the temperature of a CO2/H2O solution increases? I know that has the temp. goes up the solubility decreases, but i don't really know what that means.

posted on March 4, 2010
38. ## Chemistry

when the element have different states, ie. (aq) (s) (g) etc. doesn't that change the way you write the constant expressions?

posted on January 27, 2010
39. ## Chemistry

This lab is ruining me. isopentyl acetate is a blend of isopentanol, acetic acid, and sulfuric acid. How can products be determined from this information?

posted on January 13, 2010
40. ## maths

sorry what is a * in algebra

posted on June 11, 2008