Posts by Douglas

Total # Posts: 69

5th grade math
Rachel has a box of cupcakes that she wants to share equally with her 5 friends. Write an expression to represent the problem.

science
were must be the pivot situated on a straight lever 2m long,if a downward effort of 200N at one end is to lift a mass of 50kg at the other end.state the distance from the effort.

math
There are 70 woman in a club. Each plays at least one of the following games: volleyball, basketball and table tennis. 20 play volleyball only,10 play basketball only and 6 play table tennis only. 4 play all the three games and an equal number play two games only. a) ...

intermediate algebra
at a concession stand, five hot dogs and two hamburgers cost $8.50, two hot dogs and five hamburger cost $10.75. find the cost of one hot dog and the cost of one hamburger. 5x+2y=8.5 2x+5y=10.75

Science
1.)Studies conducted in england during the industrial revolution have shown that children born to poor families were, on average, shorter than those born to wealthier parents. The most likely expalanation for this difference in hieghts is a difference in A.)Nutrition B.)Family...

History Part2
ion

History Part2
its science

History Part2
Fill in the blank with the word or phrase that best completes the statement or answers the question. 14. The scientific name for a plant that reproduces with flowers is a(n) (1 point) 15. At certain times of the year, the male sage grouse can be seen inflating the air sacs on ...

History
1. Studies conducted in England during the Industrial Revolution have shown that children born to poor families were, on average, shorter than those born to wealthier parents. The most likely explanation for this difference in height is a difference in (1 point) A.)nutrition...

History
can u help me cuzz i lost my history book & THIS IS DUE 2MOOROW SO PLEASE ITS AND EMERGENCY

History
how?

History
5.)What was the main effect of the 1763 Treaty of Paris A. France gained more Canadian territories. B. Spain lost all its holdings in North America C. Britain gained more land in North America D. Native Americans lost most of their tribal lands A.)France gained more ccanadian ...

History
thanks

History
Which of the following results of the French and Indian War was a cause of the American Revolutionary War? A: Native Americans lost large amounts of territory. B: Britain incurred a large debt as a result of the war. C: France ceded land in Canada and east of the Mississippi ...

Math
THANKS

Math
no its A

Math
1.)What is the hypotenuse of a triangle if legs are 20 inches long?round to the nearest whole number A.)28 B.)29 C.)30 D.)31 I put "C" is it correct?!

Mental & Emotional Promblems
thank you,its correct

Mental & Emotional Promblems
mental or emontional promblems may cause physical promblems True or False i put put true ,am im correct?

Language Art's
Wait No Its A My bad i met to write A

Language Art's
Oh now i know, its C!

Language Art's
3.)Which principal part of the verb to know appears in sentence 1? The Sentence:Everything I know about gardening i learned from my good friend sandy. A.)Past Participle B.)Present Participle C.)Past D.)Present I Put B, IS IT CORRECT?

Career
thank u

Career
#26

Career
which one is wrong ?

Career
23.)The service that keep house appliances running are called utilities True or False 24.)Friends & family are often handy sources of valuable information about costs of living true or False 25.)Insurance is intended to protect you against major financial setbacks True Or ...

Ed. Tech
When viewing a presentation, words on slides may appear to fly in and out or dissolve. What makes text in a presentation do this? A. The addition of text animations B. The addition of slide transitions C. The addition of Action buttons D. The addition of clip art I put B, Is ...

History
actually no thank u, the anwser 4 2.) was D

History
thank you

History
2.)Which of the following entries would come last in a timeline created from the information provided in the paragraph above A.)1818 Douglass is born in tuckahoe, Maryland B.)1837 Douglass joins the east Baltimore Improvement society C.)1836 Douglass is hired out to work in a ...

Math
Never mind its A)10.9

Math
2.)The volume of a box can be found by multiplying the length times width times height of a box(V=lwh).If the volume of a box is 1,300 cubic inches, & all its its dimensions are equal, what is the side length of the box in inches? A.)10.9 B.)36.1 C.)162.5 D.)433.3

Math
Never mind it's B.)3.2

Math
1.)If a ping pong falls from the top of a building that is 168 feet high, how many seconds will it take the ball to hit the ground? remember, the formula for distance is D=16t2 A.)1 B.)3.2 C.)10.5 D.)16

Math
1.)What is the difference between I-3I & -3?

Mental & Health
c?

Mental & Health
happiness, sadness,and fear examples_____________ of emotions A.)Learned B.)Primary C.)Secondary D.)Inmate

History
what did the us gain from the treaty of paris A.)Permission to use British forts in Canada B.)Claim to the land called Florida C.)The right to free trade with britian D.)Complete independence from britian

History
correct

History
The "shot heard around the world" were fired at A.)Trenton B.)Lexington C.)Yorktown D.)Bunker Hill , i anwser c

Comm Tech
TTS A PIECE OF PAPER

Comm Tech
1.)Which of the follow in choices names 3 natural disasters? A.)Earthquakes, buildings demolitions, & floods B.)Hurricanes, earthquakes, & volcanoes C.)Tsunamis, Winter Storms, & Terrorism D.)Flu Epidemics, Landslides, & Tornadoes 2.)You're on the first slide in a ...

Science
Thank You

Science
Science Text Book but I cant find the information I need Ms.Sue's can you help me please?

Science
Thanks but can you help me find the information to help me find questions 1,3, & 4?

Science
1.)Ovaries contain A.)Sperms & produce estrogen B.) Sperms & produce testosterone C.)Eggs & produce estrogen D.)Eggs & produce testosterone 2.)The testes produce A.)Sperm & estrogen B.)Sperm & testosterone C.)Eggs & estrogen D.)Eggs & testosterone 3.)After an egg is fertilized...

Science
1.)The sporophyte generation produces spores that grow into a A.)Gametophyte B.)Gymnosperm C.)Angiosperm D.)Pupa 2.)Placental mammals develop A.)In leg an egg laid in water B.)In a pouch on the mother's body C.)Inside the mother's body D.)Inside an amniotic egg 3.)...

science/math
If a car can go from 0 to 60mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50mi/hr? My answer was -10, is this correct. If not , I need help

science/math
If a car can go from 0 to 60mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50mi/hr? don't know what equation to use. please help

PHI 208 final exam
1. According to the video “Religion, War, and Violence,” Just War Theory asserts that military intervention 2. According to Glaucon, justice is based on 3. What is palliative care? 4. According to Tom Regan, what is fundamentally wrong with our current system 5. On ...

Chemestry
How many moles of NaHCO3 are in a 44g sample?

Science
B? I'm thinking B because I don't know anything about goldfinches but I do know that C doesn't make much sense. I figure they're born with it so I'm guessing B.

geometry
3 because 3+3=6+2+2+2=12

statistics
the lenghts of a certain species of fish was found to be normally distributed. the mean lenghts is 77 cm with a standard deviation of 13cm. In a school of 380 of these fish how many would be longer than 64cm

statistics
create a survey results that have a sample proportion of 23%

Chemistry
Which of the following acid-base indicators should be used for the titration of NH3 with HBr? Kb of ammonia is 1.8 ×10−5. 1. Methyl red, color change red/yellow at 4.4 < pH < 6.2 correct 2. Any of these is suitable. 3. None of these is suitable. 4. ...

Chemistry
When solid CO2 (dry ice) is allowed to come to equilibrium in a closed constant volume container at room temperature (300K), 1. the pressure rises until it reaches 1 atm 2. the pressure rises until a liquid-gas equilibrium is reached. 3. the pressure does not change. 4. the ...

Multivariable Calculus
Determine the range of a snowball thrown with an initial speed of 6 meters/sec at an angel of elevation of 45 degrees. (Assume g = 9.8 meters/sec) I'm not really sure what I'm supposed to find here, am I supposed to find the horizontal distance or the vertical distance...

Calculus
This is going to be pretty hard to show as text since it would be easier for me to post a picture of the question. The question has f(x) = x/4^2 - (2x^3)/4^4 + (3x^5)/4^6 + ... . I am trying to find out the value of f(2). There is a hint to differentiate the power series ...

calculus
Yes, it can take decimal places pretty far, even a rounded answer is still within 1% of the answer I received. So, I am unsure what the problem is, I am still awaiting an email from my professor and TA as to what could be the problem.

calculus
The program is on the UT website, and it takes answers within 1% of the actual answer. And that's all to the question.

calculus
The problem is to evaluate the integral 10secxtanx dx, from -1/7 pi to 3/8 pi. What I've done so far is evaluated the integral since secxtanx is a trig identity, so the integral of that is secx. I took out the 10 since it was a constant which leaves me with 10[sec(3/8)pi...

chem
.0111/2= .00555

chemistry
3.345ml

Thermochemistry
When 1.477 mole of an inorganic salt were dissolved in 1.00 L of water in a constant pressure solution calorimeter, the temperature of the calorimeter changed from 25.00oC to 24.40 oC. The total heat capacity of the calorimeter including all its contents was 2.18 kJ oC-1 What ...

math
formular for compound and simple intrest

10th grade honors algebra
I can't figure out how to simplify this: 3x/2 + 3 - x

algebra
I can't figure out how this is simplified. 3x/2+3-x can you help?

Chemistry
In the reaction KNaC4H4O6 + H2O + COCl2 * 6H2O ¨ what r the products? and is the tartrate ion the catalyst?