# Posts by Elijah

Total # Posts: 123

**CHEMISTRY**

STATE gay-lussac's law And Avogadro's law.

**Physics**

A water balloon is thrown straight down at 10.0 m/s from a second floor window, 5.00 m above ground level. 1) How fast is the balloon moving when it hits the ground? (Express your answer to three significant figures.)

**science**

Ricardo finds an online site about the gas laws. The site shows the equation below for Charles’s law. What change would correct the error on the site?

**Math**

An article states that gas cost $122 Canadian dollars per litter in Canada. To be able to compare this price to the US, convert this to Dollars per gallon ($1 US + 1.18 Canandian Dollar and 1 gallon + 3.78 L

**Physics**

1.A Speed Of A Bullet Of Mass 20g Is 200km/h. What Is The Kinectic Energy.

**riddle**

wine

**Physics**

A Man Of Mass 80kg Carry A Load Of Bricks Of 20kg Up A Vertical Of Length 6m Calculate The Workdone

**Physics**

A Man Of Mass 80kg Carry A Load Of Bricks Of 20kg Up A Vertical Of Length 6m Calculate The Workdone.

**Geometry**

A circular fountain has a radius of 10 feet if the gardener wants to enclose the fountain with a fence, what is the best approximation for the length of fence the gardener will need to buy?

**Geometry**

A ladder is placed against a wall so that it reaches 24 feet up the wall. The base is 10 feet from the wall. How long is the ladder?

**Geometry**

What expression is equal to the volume of the cylinder with a radius of 3 feet and a height of 2 feet ? Thanks

**science**

Phosphoric acid is very important compound used to make fertilizers.PPhosphoric acid can be prepared in two ways: Reaction 1: P4 + 5O2 = P4O10. Reaction 2: P4O10 + 6H29 = 4H3PO4. Supposing we allow 272 g of phosphorus to react with excess oxygen which forms tetra phosphorus ...

**science**

Suppose you need 2.0 L of 6.0 M sulphuric acid, and you have a bottle of concentrated acid of 18.0 M sulphuric acid. a). How much of this would be needed to a 2 L, 6.0 sulphuric acid solution? a). Describe how you would prepare this solution.

**Geometry**

A child is using sidewalk chalk to draw a triangular-shaped area for a game. If the height of the area is twice the base, and the base is 6 feet, wat is the area of the game? I know b=6 & h=2 x base (2x6)..I need help please

**Geometry**

Javier made a square design in art class. The area of the design is 196 square inches. Wat is the length, in inche's, of one side of the design?

**Geometry**

The rectangular prism shown below has a volume of 306 cubic meters. What is the height of the prism? Use V=lwh. I know w=6, l=6& V=306 My mind went blank. Plz help

**Geometry**

A buoy in a lake is 20 yards from Dock 1 and 20 yards from Dock 2. To the nearest tenth of a centimeter of a yard; how far apart are the two docks? Please check my answer. Thank you. id it 17.3 yards?? I'm lost

**geometry**

Tanya see a bird on top of a light pole that is 27 feet tall. If she is 50 feet from the light pole, approximately how far is she from the bird? Is the correct answer 57 feet? Thank you

**Math**

To the nearest tenth of a centimeter, what is the length of the hypotenuse of a right triangle with leg lengths of 5 cm and 6 cm?

**Math**

Which is the best approximation of the volume of a cylinder with a radius of 10 mm, and a height of 5 mm?

**algebra**

Multiply. (n - 5)(n - 1)

**algebra**

(n - 5)(n - 1)

**Math**

Find the unit rate round to the nearest hundred $24.36 for 3 feet

**physics**

A mountain climber, in the process of crossing between two cliffs by a rope, pauses to rest. She weighs 515 N. As the drawing shows, she is closer to the left cliff than to the right cliff, with the result that the tensions in the left and right sides of the rope are not the ...

**Maths Arithmetic**

(2) How Many Terms Has The A.P Whose First Term Is 15 Aod The Last Term Is 57 Given That The Common Difference Is 3?

**Cht Ningi**

The 9th And 22nd Term Of An A.P Are 29 And 55 Respectively. Find The Sum Of It's First 60 Terms

**maths**

a mathematics question contained 20 items. every wrong answer scores -2marks, every correct answer scores 4marks and no mark for no answer. find the maximum possible score

**math**

Cassandra entered the following problem into her calculator. 8E8 + 1000 what should the calculators output be?

**geometery**

find the area of a sector that has a central angle of 68 degrees and a radius of 10cm. Round you answer to the nearest 100th. (use 3.14=pie)

**Science**

True/false does Venus spin counter clockwise? Answer:_______;)

**mount sinai**

A cuboid has a lenght of 10 centimeters and breadth 3 centimeters and height of 5 centimeters. calculate the perimeter of one side

**8th grade math**

Angle ABC=62° and angle ACB=66° what is the angle DAB?

**Physics kinematics**

An archer shoots an arrow at a 72.0 m distant target, the bull's-eye of which is at same height as the release height of the arrow. (a) At what angle must the arrow be released to hit the bull's-eye if its initial speed is 36.0 m/s? (Although neglected here, the ...

**Math**

Austin and Tamara each completed the square of the quadratic equation 0=3x square - 15x + 6 Austin 0=3(x-5/2) square-51/4 Tamara 0=(x-5/2)square-17/4 Who is correct and show why

**algebra**

Distributive property 8E+3(5-E)=10 38=-3(4y+2)+y

**math**

my math homework tells me to find the area of a circle using it's circumference. the circumference given was. can someone explain to me how to find the area?

**math**

A 2-inch length in the scale at the left represent an actual length of 20 ft. What is the scale of the drawing?

**math**

You receive a salary of $400 each week plus 12.5% commission on all sales. In on week you sold $2300 worth of merchandise. What is your total earnings for that week.

**English**

What is one way that " the maori:genealogies and origins in New zealand" contrast with " the raven and the first men:the beginnings of the haida?

**math**

Sales exercised by stretching and jogging 5 days last week. a.He stretches for a total of 25 minutes during the week. b.He jogged for an equal number of minutes each of the 5 days. c.He exercised for a total of 240 minutes. Elena also exercised by stretching and jogging 5 days...

**algebra**

Linda has $235 in her savings account. She withdrew the same amount each week for 15 weeks. Her balance was then $55. How much money did Linda withdrawal each week?

**algebra**

Sarita,Clara,and Joe baked. muffins,which they shared equally. Clara ate one on the way home. She had 14 muffins left.How many muffins did Sarita,Clara, and Joe bake?

**math**

9-n/5=19

**English check**

Number 3 is 2 number 4 is 2

**English check**

what is 3 and 4

**math**

3x+10=1

**science, chemistry**

OBJECTIVE: to find out which of two indicators, methyl orange or phenolphthalein, gives more reliable and consistent results in the titration of H3PO4 with NaOH. REQUIREMENT: (1). Phosphoric acid solution of unknown concentration. (2). Standard NaOH solution. (3). Methyl ...

**Calculus**

To figure out whether f(x) is increasing or decreasing, substitute any number from each of one of the intervals into f'(x). If you get a positive number for f'(x), then f(x) is increasing on that interval. If you get a negative number for f'(x), then f(x) is ...

**Math**

Solve Y=-0.02x^2+1.3x+8

**Math**

Chads buys peanuts in 2 pound bags. How many 2 pound bags of peanut should chad buy so that he can fill the 5/6 pound bags without having any peanuts left over

**SCIENCE **

the moon would still be moving and the earth 2 u know around the sun and what about eclipses and seasons what then huh!?

**social studies**

blue jacket

**History!**

yes!!! thanks for the 100!!!

**Math**

What is 18/32ths of a dollar.

**math**

4/5 of an hour

**math**

mr. smith pants 5 wooden chairs in 4 hours. if each chair takes the same amout of time to paint, what fraction of an hour does it take mr. smith to paint one chair?

**math**

1 4/6

**math**

3/5 meters of fabric

**math**

Lisa makes 6 identical flags from 10 meters of fabric. How many meters of fabric does she use for each flag?

**math**

A group of 8 office workers order 12 packs of sushi form the local Japanese restaurant for lunch. If the packs of sushi are shared equally, what fraction of a pack will each office worker get for lunch?

**math**

Jessica and her 7 friends share 3 liters of apple juice equally. How much juice does each friend get?

**geometry**

A preimage includes a line segment of length x and slope m. If the preimage is dilated by a scale factor of n, what are the length and slope of the corresponding line segment in the image

**Chemistry**

At what temperature does 150 mL of n2 at 300 K and 1.13 atm occupy a volume of 550 mL at a pressure of 1.89 atm?

**science**

How is a drop of water an element? PLEASE HELP!!!

**science**

what in nature could you find a source of the same energy as that provided by batteries?

**math**

6 thousand 38 hundreds =

**math**

5 3/100 into a decimal simplest form

**old forge math**

write an inequality to show the following. 4.90 was spent. there is still over 60$

**science**

how does tea flavor spread from a tea bag throughout a cup of hot water? PLEASE HELP!!!

**Heat Transfer**

I do not know

**College chemistry**

2[C3H8] +7O2 - 3[CO2](g) + 8[H2O](l)

**english**

thank you so much

**english**

:) last one: She is successful in mimicking others' voices. the phrase would be mimicking others and would be Object of the Preposition?

**english**

thank you and i have one more the sentence is: Her favorite pastime is entertaining friends. the phase would be is entertaining friends and would be a Predicate Nominative?

**english**

thank you and my question is on this sentence:He must like studying calculus. the gerund phase would be studying calculus and would be the direct object?

**english**

i need help on some help on gerund phrase and the noun function of it

**Chemistry**

a chemist discovered an ore and analyzed its composition to contain 2% iron, 5% phosphor, and 93% sodium. What is the correct formula?

**Chemistry**

a chemist discovered an ore and analyzed its composition to contain 2% iron, 5% phosphor, and 93% sodium. What is the correct formula?

**physics**

4. Brick A is hurled vertically upward from a bridge at an initial speed of 4.90 m/s. One second later, Brick B is thrown horizontally from the same bridge with an initial speed of 9.80 m/s. Which hits the water first?

**physics**

4. Brick A is hurled vertically upward from a bridge at an initial speed of 4.90 m/s. One second later, Brick B is thrown horizontally from the same bridge with an initial speed of 9.80 m/s. Which hits the water first?

**chemistry**

Calculate %tage by mass of all component element NaNo3 given,(Na=23,N=14,o=16)

**english**

oops posted it twice XD

**english**

4 future reference, try posting the names of the four memoirs, and make the question more natural. it sounds like it is coming right off the paper. and for anyone that cares, the name of the four memoirs are: "Cub Pilot" "No Gumption" an excerpt from "...

**Science**

I need to find the 5 kingdoms of life animals chart? PLEASE HELP:)

**math**

Graph for Y=(x+2)2-3

**math**

solve Y=(x+2)2-3

**business math**

gordon rosel went to his bank to find out how long it will take for $2,300 to amount to $2, 860 simple interest.

**business math**

lane french had a bad credit rating and went to a local cash center. he took out a $119 loan payable in five weeks at $129. what is the percent of interest paid on this loan?

**business math**

margie pagano is buying a car. her june payment monthly interest at 13.2% was $208. what was margie principal balance at the beginning of june

**business math**

abe wolf brought a new kitchen set at sears. abe paid off the loan after 60 days with as interest of $9. if sears charges 8% interest. What dis abe pay for the kitchen set (assume 360 days)

**math**

A=___,b=8.1mm,h=16mm?

**math**

I don't really know.. If I wasted your time. I just wanted to say Hi to the world! :D

**Science**

When energy changes forms, the total amount of energy is conserved. However, the amount of useful energy is almost always less than the total amount of energy. Explain the energy conversions and unwanted energy that might be produced by the hinges of a squeaky door.

**math**

67% and 375%

**math**

What is .67 and .375 equal in percent?

**math**

90%

**math**

what is .09 in percentage?

**math**

how much is .5 in percent?

**3rd grade**

Can you divide 14 shirts into 2 equal groups?Why or why not?