# Posts by Aidan

Total # Posts: 60

**Math**

A 25 ft. Ladder is placed 8 ft. From the base of the house. How high up the side of the house can the ladder reach?

**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.

**Math**

For what real values of c is x^2 + 16x + c the square of a binomial? If you find more than one, then list your values separated by commas. Need help...

**English**

The part about Harambe made my day haha

**Physics**

An 84 kg child descends a slide 7.2 m high and reaches the bottom with a speed of 3.30 m/s. How much thermal energy (in joules) due to friction was generated in this process?

**Chemistry**

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

**Physics**

Initial Statement: A soccer ball is kicked with an initial horizontal velocity of 15 m/s and an initial vertical velocity of 14 m/s. 1) What is the initial speed of the ball? 20.518 2) What is the initial angle θθ of the ball with respect to the ground? 43.025 3) ...

**Math**

For a certain day, the depth of water, h, in metres in Tofino, B.C at time t, in hours, is given by the formula: h(t)=7.8+3.5sin[pi/6(t-3)], tE[0,24]. Assume t=0 represents midnight. Provide an algebraic solution to determine the time(s) of day, the water reaches the depth of ...

**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

**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?

**Physics**

An automobile weighing 15,000 N crashes into a wall with a velocity of 5.00 m/s. If the car moves 0.150 m before coming to a stop, what average force does the wall exert on the car?

**math**

4=4*6-2+3 Where should I put the grouping symbols to make this true??

**Math**

your answer is C, because 5*12=60 and 20*3=60 ok

**math**

five kids and three adults are going to the circus. kids tickets are on sale for half the price of adult tickets. the total cost is $60. how much is one kids ticket? how much is one adult ticket?

**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?

**Health**

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

**Math**

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.

**7th grade health please Ms. Sue?**

-_- -_- =-=

**9th Grade Biology**

Thank you SO much

**9th Grade Biology**

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?

**Pre-Algebra 7th grade.**

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

**math**

35m,40m

**Science**

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

**math**

hello zach.

**math**

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

**physics**

I am flying a plane capable of an airspeed of 100 km/hr. If the wind velocity was 45 km/h [95], 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 and my destination is...

**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?

**CHEMISTRY**

IF you add ice at zero degrees celcius to a container of water maintained at 0degrees, the ice wil float on the water with that water finding a certain level in the container. As the ice melts, forming liquid at zero degrees, would you expect the water level of the container ...

**algebra**

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

**Pre-Algebra**

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

**PLEASE HELP ME! CHEMISTRY**

Thanks!

**PLEASE HELP ME! CHEMISTRY**

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

**PLEASE HELP ME! CHEMISTRY**

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 apparent "atomic ...

**chemistry**

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

**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 apparent "atomic ...

**Chem**

thank you!

**Chem**

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

**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

**chemistry**

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

**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.

**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?

**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 the way down. A.) ...

**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, due to the impact of ...

**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

**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 are their final ...

**Biology 205**

what purification process bears Louis Pasteur name

**Biology 205**

fdtwtw

**Chemistry**

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

**Chemistry**

Thanks so much for the help.

**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.

**Chemistry**

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

**Chemistry**

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

**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)

**algebra**

A cashier earn $x for an 8-hour day. Write an algebraic expression in terms of x for the cashier's a) hourly pay B) weekly pay for a 5 day week c) yearly pay for year of 52 weeks

**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, concentrated acetic acid and ...

**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?

**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?

**maths**

sorry what is a * in algebra

**maths**

what is a* in algebra

**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 minor.

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