Friday

August 1, 2014

August 1, 2014

Total # Posts: 43

**math**

If an item is sold for $450 but thf the person who sold it wants $ r 75 what % is that person taki ng out of that $450?

**Math**

the area of a rectangle is 65yd^2 the length is 3yd less than double the width. Find the dimensions

**reading**

are chimpanzees endangered?

**life orientation**

Identify and describe 3 environmental health hazards that ill health,crises,and or disasters

**Physics**

Two astronauts, each having a mass of 61.9 kg, are connected by a 14.7 m rope of negligible mass. They are isolated in space, orbiting their center of mass at speeds of 5.57 m/s. Calculate the magnitude of the initial angular momentum of the system by treating the astronauts a...

**chemstry**

calculate the amount of energy required to convert 55.0g of ice at -10.0°c into steam at 125°c?

**physics**

thats the exact question. I am trying to help my daughter, her answer does not seem right to me she got 100 kg. Do you know how to solve this problem step by step. ty

**physics**

a football player runs at 8 m/s and plows into a 80 kg referee standing on the field causing the referee to fly forward at 5 m/s. if this were a perfectly elastic collision, what would the mass of the football player be?

**7th Grade Math!!**

Help!!! How to find the dimensions on a house after its built if it is 18 feet by 16 feet. The only info they give me is that 1/2 in = 10 feet?? What formula do I use?

**7th Grade Math**

I figured it out but the one I don't understand is to find the dimensions on a house after its built if it is 18 feet by 16 feet and they are giving me the same info 1/2 in = 10 feet?? What formula do I use?

**7th Grade Math**

Help!!! If a den has 0.5 by 0.6 dimentions , what will be the dimensions after the house is built; 1/2 in = 10 ft Can any one help me figure this out???? Thanks!!

**math**

ok thank u figured pout the answer already

**math**

ok so on the top it says on a set of blue prints for a new home,the contractor has established a scale that states 1/2 inch=10 feet. -celeste

**math**

that is the exact question it said it doesnt have anything else

**math **

ok so this question is to ms. sue this question says what is the actual height of the living room whose distance is 9/20 inch on the the blue prints??? can u help me please -celeste

**Math**

If I have different fractions can I multiply the others by 20 as well?

**Math**

ok thank u got it more but can u help me on other problems they r the same but different #'s

**Math**

MS. SUE WHAT SCHOOL DO U WORK AT????

**Math**

ok well i tryed it and still i dont understand??? can u say so i understand???PLEASE PLEASE PLEASE -CELESTE

**Math**

ok thank u!!!! that helps a lot i will try it? -celeste

**Math**

Help!!! On a blue print scale 1/2 inch = 10 feet. How do I figure out the actual width of the living room whose distance is 3/4 inches

**math**

in his left pocket ralph has 4 quarters and 5 nickels. in his right pocket he has 3 quarters 2 nickels and 1 penny. if he wants to select a quarter at random, which pocket should he choose?

**writing**

what are the adverbs in the sentences & what word does it modify? 1.it rained quite often during the month of outdoor performances 2.the play seemed somewhat long 3.joyce is often absent from practice

**writing**

what are the adverbs in these sentences? 1. stephanie rushed forward to the finish line. 2.mira is practicing the long jump 3.we have looked everywhere for a new stopatch 4.ellis will never run there 5.dont stop now 6.sometimes i also run hurdless 7.we often run here. 8.nancy ...

**science math practice **

a pitcher throws a 0.145-kg baseball at a velocity of 30.0 m/s. how much kinetic energy does the ball have?

**science math practice **

a pitcher throws a 0.145-kg baseball at a velocity of 30.0 m/s. how much kinetic energy does the ball have?

**science math practice **

a 60.0-kg person walks from the ground to the roof of a 74.8-m-tall building. how much gravitational potential energy does she have at the top of the building?

**chemistry**

Which of the following species has the weakest N-to-O covalent bond: HONO, NO2-, NO2, N2O, NO3-?

**chemistry**

What is the ÄH°vap of a liquid that has a vapor pressure of 641 torr at 81.7°C and a boiling point of 91.1°C at 1 atm?

**chemistry**

From data below, calculate the total heat (J) needed to convert 0.172 mol of gaseous ethanol (C2H6O) at 451° C and 1 atm to liquid ethanol at 25.0° C and 1 atm. Boiling point at 1 atm 78.5°C cgas 1.43 J/g · °C cliquid 2.45 J/g · °C ΔH°...

**chemistry**

Consider the following reaction in a closed reaction flask. If 0.600 atm of gas A is allowed to react with 1.20 atm of gas B and the reaction goes to completion at constant temperature and volume, what is the total pressure in the reaction flask at the end of the reaction? Wha...

**english**

how can i correct the fragment Quickly corrected with favorable results?

**pre calc**

find exact solution algebraically and check it by substituting into the original equation. 2(10^-x/3)=20 logtiny4(x-5)=-1

**chemistry**

If 5.00 g of steam (H2O)(g) at 100 C condenses to liquid water (H2O)(l) that is cooled to 50.0 C, how much heat is leberated in calories and kilocalories?

**math**

the school swimming pool is 55 yards long and 23 yards wide what is the perimeter

**8th grade U.S History**

Making the laws.

**Chemistry**

Suppose you had a 1.00 m solution of AlCl3. Assuming complete dissociation, what is the theoretical change in the freezing point of this solution?

**8th Grade Algebra Confusion**

Hi. I am starting a new section in Algebra, and I thought I understood it. But when I went to the back of my book to check the answers, they were way off. We are dividing and simplifying radical expressions and equations.

**reading**

What's the easy way to format a book report for a 1st grader ?

**MATH **

trevor jogs every 3 days and swims every 4 days how often does he jog and swIM on the same day

**Chemistry**

What does C12H26 stand for?

**GS 104 Physics (Physical Science)**

Trucks often have signs on their backs that say, "If you can't see my mirrors, I can't see you." Explain the physics here.

**U.S. History**

It was Cameahwait.

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