Questions Asked on
September 13, 2018

science
Which of the following gases was most likely present in Earth's earliest atmosphere? a. nitrogen b.hydrogen c.argon d.oxygen Help me please!
asked by Eric 
Social studies
How did the environment of Arabia serve as a form of protection during much of the regions history? A. It's fertile oases enabled farmers to grow enough food or themselves and for sale B. It extreme heat and arid conditions kept invaders from attacking
asked by You will never know 
social studys
1.Which groups were considered citizens in ancient Greece? Select all that apply. A. aristocrat B. tenant farmers C.small farmers D. slaves 2. Which of the following was the primary way Sparta got the resources they needed? A. by utilizing their own
asked by bamboo 
social studies/am history
What was Alexander Hamilton's main reason for insisting all the nation's debts be paid in full?
asked by Marcie Sleeper 
Social studies
Which groups were considered citizens in ancient Greece? Select all that apply. A. aristocrats B. tenant farmers C. small farmers D. slaves E. foreigners F. women
asked by Solar 
SOCIAL STUDIES
Q: How can the Constitution be amended? My answer: The Constitution comes along with an amendment that may be introduced by congress. The way that an amendment could be proposed is if there are twothirds votes from each house of representatives. The
asked by cAt.ExE HaS sTopPeD wORkInG 
Social Studies
What drew Stephen Austin to this geographical area? A. the Rio Grande River B. affordable, fertile land C. proximity to New Orleans D. access to the Gulf of Mexico my answer is a
asked by Stacia 
history
Which identifies an instance in which European culture mixed with the cultures of indigenous people? European nations created the Open Door Policy to allow for multiculturalism in China. Symbols of the Catholic Church were blended with local religions in
asked by Bri 
Math
1. What is the simplified form of the expression? 2x2 + 4y + 3x2 – 2y + 3y (1 point) 5x4 + 5y2 5x2y + 5x2y 5x2 + 5y 10x2y 2. Simplify the following expression: 2(6x + 18) (1 point) –12x + 36 8x + 20 6x + 36 12x + 36 3. What is the product? 4 • (–5)
asked by helper 
Physics
A rescue plane spots a person floating in a lifeboat 55 m directly below and releases an emergency kit with a parachute. The package descends with a constant vertical acceleration of 6.91 m/s. If the horizontal speed of the plane was 70.6 m/s, how far is
asked by Babygirl 
science
which abiotic factor is essential to all aquatic ecosystems except ocean hydrothermal vents and why
asked by jamie phillipy 
chemistry
The energies, E, for the first few states of an unknown element are shown here in arbitrary units. n 1 2 3 4 0 E 63 27 12 9 infinity A gaseous sample of this element is bombarded by photons of various energies (in these same units). Match each photon to
asked by maddie 
Science
A simple pendulum of length 1m has a wooden bob of mass 1kg.it is strike by a bullet of mass 10^20 kg moving with a speed of 2×10^2m/s.The bullet gets embedded into the bob. Obtain the height to which the bob rest before swing back.
asked by Oinam joymasta meitei 
Social Studies
As a dwelling, which advantage did the teepee offer to the hunters of the Great Plains.
asked by i boop your nose 
math help connections acadamy
What is the outlier of the data set? 24,18,26,20,18,24,4,24 A.4 B.20 C.24 D.23 PLEASE HELP
asked by unknown 
social studies
1.. the mound builders primarily in what regions? select all that apply. (2 point) region A *** region B region C*** region D region E 2. what was a common theme shared by the mayan and aztec civilizations? (1 point) they traded fur with the dutch and
asked by kaliyah :D 
Social studies
I need help on question 8 on the expansion of the Muslim world quiz
asked by Weston 
maths polynomial
[2a³c2a³b+2ab³2b³c+2bc³2ac³] please I need step factoring that guy up there
asked by sam..?? 
Physics
PLEASE HELP! A person throws a rock horizontally off a cliff ata a speed of 9 m/s from a point 64.8 m above the ground. How long is the rock in the air? 13.2 s 26.4 s 3.64 s(my guess) 5.14 s A package falls from an airplane in level flight at constant
asked by Babygirl 
Social Studies
Prior to the destruction of the Second Temple, which of the following areas in the world contained diaspora communities? a.) Central Aisa b.) Great Britain c.) Japan d.) Southern Africa
asked by Lou 
American History
What type of government was created by the Articles of Confederation? A. a theocracy that appointed presidents based on the Electoral College B. a parliamentary government with the president as the executive branch C. a strong central government D. a
asked by Ember Lovet 
Language Arts
In literature, which answer choice is the correct term for a struggle between a character and and an outside force such as nature? A. internal conflict B. natural conflict C. intense conflict D. external conflict I think it's B.
asked by FNAF Girl 
Biology
which of the following list structures from smallest to largest? A. chromosome, supercoil, coil, nucleosome, double helix B. chromosome, coil, double helix, nucleosome, super coil C. double helix, nucleosome, coil, super coil, chromosome D. nucleosome,
asked by Confused 
chemistry
A chemist in a galaxy far, far away performed the Millikan oil drop experiment and got the following results for the charges on various drops. 2.52 ✕ 1012 zirkombs 9.45 ✕ 1012 zirkombs 3.78 ✕ 1012 zirkombs 6.30 ✕ 1013 zirkombs Use these data to
asked by maath 
math
Explain the difference between 3 and 3
asked by Melody 
Math
the elevation of a sunken ship is 120 feet. your elevation is 5/8 of the ship's elevation. what is your elevation?
asked by Gennady 
math
Algebra 1.) Use the distributive Property to simplify the expression . (1)(4  c) A. 4  c B. 4 + c C. 4 + c D.4  c 2.)Use the distributive Property to simplify the expression 4(2x  4) A.8x + 4 B.8x  4 C.8x  16 D.4x  16 3.) Use the distributive
asked by dfhsh 
Math
Vocab __?__ events, or __?__ __?__ events are events that have no outcomes in common. __?__ events are events that have one or more outcomes in common. For two __?__ events, the probability that either of the events occurs is the sum of the probabilities
asked by Kms 
history
How have Napoleon and his achievements impacted modern society throughout the world?
asked by Bri 
Social Studies
Which region in the United States is known for its board, grassy plains?
asked by nobody 
history
What are indigenous people? the earliest known group to inhabit a region someone who settles an uninhabited territory people who travel to a region outside of their own individuals who settle an alreadyinhabited territory A? Which correctly describes the
asked by Bri 
math calculus
Let f be twice differentiable with f(0)=12, f(3)=9, and f '(3)=4.Evaluate the integral upper limit 3 and lower integral 0 xf'' (x)dx
asked by Carl 
chemistry
The amount of sulphuric acid required by a student to perform an experiment was 1500 ml of 2.30M. Explain how you would prepare the required amount of acid to perform an experiment if the label on the available concentrated commercial sulphuric acid bottle
asked by ngombo 
English
Obstacles, although they have their disadvantages, can be used to benefit us in the future. We can either let obstacles stand in the way of our goals, or we can learn how to make it past them. Although obstacles seem to keep us from our successes, they can
asked by Austin 
Maths
A cone formed by bending a sector of a circle having an angle of 288 degrees. Find the radius of the base of the cone if the diameter of the circle is 18cm
asked by Anonymous 
science
Which two types of energy heat the Earth's surface? infrared and electromagnetic radiation What two factors influence the albedo of a surface? color and texture Are these correct?
asked by / 
Math Connections academy pls
which box and whisker plot matches the data 34 46 28 47 39 52 29 54 41 29 31 49
asked by Connexusacademy 
Science 7th grade
I am doing a project Energy Transformation Illustration. I picked a gas stove for this project. I have to draw three thing to show its transformation. What I have to draw for first and second transition? Third is gas stove. Plz help.
asked by Mary 
Physics
4. Which of the following is an accurate statement about vectors? A. Rotating a vector about an axis passing through the tip of the vector does not change the vector(definitely not right) B. The magnitude of a vector can be zero even if one of its
asked by Babygirl 
algebra readiness
1.Simplify: (y^4) (y^3)
asked by !!!!! 
math
Find the exact area between y=lnx and y=ln(x^ 2 ) for 4≤x≤8 .
asked by george 
Social Studies
What were the major events in Alexander the Great’s life?
asked by Stuff 
Social Studies
1.Which of the following was NOT a reason why early Europeans came to America? A.to determine if the earth was round B.to bring glory to their respective nations C. to find silver and gold D.to explore new lands My answer D?
asked by SOMEBODY 
Chemistry
AgNO3 + NaCl AgCl + NaNO3 What happens when nitric acid (HNO3) is added to the reaction?
asked by ryancon 
Algebra
Which of the following is less than 6.5×10^5 A. 1.4x10^3*** B. 2.5x10^4 C. 7.8x10^5 D. 4.6x10^6 Please check my answer
asked by Meh 
American History
Which rights listed in John Locke’s Two Treatises of Civil Government did Thomas Jefferson include when writing the Declaration of Independence? (Select all that apply.) liberty life property happiness Is it Liberty, Life, and Happiness?
asked by Ember Lovet 
physics
An electric heater raises the temperature of 120g of water in a thin light vessel through 10K in 2mins, when placed in 70g of water contained in a metal vessel of mass 0.55kg the temperature rises through 9K in the same time. Calculate from the above:
asked by Anonymous 
physics
A crowbar ,1.5m long is used to lift a 100kg rock out of a hole 25cm deep.If the crowbar pivots 50cm from one end ,what is the force that must be used to just lift the rock ?
asked by mimi 
Chemistry
What is the hydrogen ion concentration of a solution with pH of 3.4?
asked by Mmeso 
mathlit,life science,geography,tourism
list five ways in which career patterns are different now from the past
asked by kgotso 
Social Studies
Which best describes the languages spoken by American Indians in South Carolina? All tribes in South Carolina spoke the same language most American Indians spoke Algonquian or Siouan American Indians spoke more than fifty languages Most tribes spoke one or
asked by Loomin 
Math
What is a real life example of inverse operation?
asked by Alex 
math
what is a example of how prime factorization could be used in the real world
asked by Anonymous 
math
Find a substitution w and constants k,n so that the integral x^2sqrt(14x^3)dx has the form ∫kw^n dw .
asked by Carl 
drinking water treatment
What is the saturation concentration of oxygen for this water( atmospheric pressure)
asked by Gerald 
Math
Mathew has 150 page book. He has read 1/3 go it How many pages has he read so far
asked by Anonymous 
Introduction to Computer Applications
In Microsoft® Word you will create an informative or explanatory piece of writing to increase public awareness on cyberbullying in a brochure format. plz help don't understand what brochure format means
asked by Anonymous 
Chemistry
What would be the total mass of the products of a reaction in which 25 grams of table salt (sodium chloride) decomposes into the elements sodium and chlorine? Can someone please help me with this?
asked by Aylin 
Math
The length of the rectangle is 7/(x4) feet, while its width is 5/x feet. Find its perimeter. Please helppppp!!!!!!! :(
asked by Andrea 
Math
The formula for the volume of a right circular cylinder is V=πr^2h. If the height, h, is 3 feet, then the volume is a function of the radius, r. a)write this formula in function notation, where the height is 3 feet. b) find the volume if the radius is 2
asked by Sally123 
weather
Which of the following is true regarding clouds? a. They increase temperature minimums and maximums b. They cover about 5% of the Earth’s surface c. They increase nighttime temperatures and decrease daytime temperatures d. They decrease nighttime
asked by ~ 
Social Studies
7th grade history  How does the growth of the world's population today compare with its growth 100 years ago? Explain why the changes have taken place.
asked by J the 2nd in my class _ 
Life sciences
Aim:to demonstrate that expired air contains carbon dioxide 1Briefly explain your observations 2 Suggest a suitable control for this demonstration 3 what can be concluded from this experiment 4 labelling experimental setup
asked by Sbongile 
Maths
A man standing in the corridor of an eight storey building sees the top of a tree at an angle of depression thirty degrees. If the tree is 160 meters tall and the man's eyes are 240 meters from the ground. Calculate the angle of depression of the foot of
asked by Anonymous 
Maths need help asap
How can I factor these [2a³c2a³b+2ab³2b³c+2bc³2ac³]
asked by Sam 
Science
A railroad diesel engine weighs four times as much has a freight car. if the diesel engine coasts at 5 km/h into a freight car that is initially at rest, show that the speed of the coupled cars is 4 km/h.
asked by Tb 
History
The United States form of government is a pure democracy where only the majority matters. True or False
asked by 2 + 2 = 
Math
What value could be added to 2/15 to make the sun greater than 1/2? A. 1/15 B. 8/30 C. 5/15 D. 8/15
asked by Oof 
science
are these correct? 1. Which of the following factors would result in a place being warmer in the summer? a. Being in the middle of a landmass b. Being located at a higher elevation c. Being located at a higher latitude d. Being near an ocean e. All of
asked by ~ 
Math Connections academy pls
1. 20.5813.3 2. 10.88+98.310.88
asked by Connexusacademy 
Social Studies and ELA
Create an acrostic poem for each of the following: Malcontents, Highlands Scots, Salzburgers, and Mary Musgrove.
asked by Jadah 
History
Select a response that correctly summarizes how the search for gold contributed to European exploration and Texas settlement. A. Spanish leaders sent many explorers to search and explore the new land in hopes of securing riches that have never been found.
asked by Justin.... 
physics
A boy walk 30m eastward and then 40m northward calculate the shortest from the starting point.
asked by comfort 
Chemistry
If a sample of oxygen at 20 degree celsius and 740mmHg weighs 16g what volume will it occupy
asked by Paul 
6th grade Math
Can you check the following? 3. Lily is cutting a roll of cookies into slices that are 3/8 inch thick. If the roll is 10 1/2 inches long, how many slices can she cut? Ans: (21/2)/(3/8) = (21/2 )* (8/3) = 28 slice 5. Amy has painted 3/4 of a room. She has
asked by Jared 
chemistry
Several compounds containing only sulfur (S) and fluorine (F) are known. Three of them have the following compositions. i. 1.188 g of F for every 1.000 g of S ii. 2.375 g of F for every 1.000 g of S iii. 3.563 g of F for every 1.000 g of S How do these
asked by maath 
Maths
A number of two digits is such that four times the unit digit is five times greater than trice the tens digit. When the digits are reversed, the number is increased by nine find the number
asked by Anonymous 
social studies
what is an economic boom
asked by Anonymous 
computer science
write a pseudo code which prints a list of all students over the age of 20 in a class. the input record contains age,name of students assume a sentine value of 99
asked by kenge 
math
two sides are equal other than third side perimiter of triangle is28 find each side of triangle
asked by vikram 
physics  electricity
a cabel consists of 10 strands of copper wire each of crosssection area 1.1x10^3 cm^2. Calculate (a) the resistance per meter of the cable (b) the minimum number of strands which would be required if the resistance per meter is not to exceed 0.010ohms.
asked by umani  
science
3. Which of the following is true for a station at a higher elevation when compared to a nearby station at a lower elevation? a. It will have a higher summer temperature b. It will have a higher winter temperature c. It will have a lower summer temperature
asked by is this correct? 
Math
1. 2 + (5 + y) 2. (c + 1) + 9 3. 3.3 + n) + 1.4 4. 7 + (d + 5) 5. 10(7t) 6. 8(4k) 7. 13 • 0 • p 8. 7 • z • 0 9. 2.5 • w • 1 10. 1 • x • 19 11. (t +. 3) + 0 12. 0 +. (g + 4 Plz help I don’t understand
asked by Anonymous 
English 12
What do Don Quixote’s adventures help readers to see about human beings in general?
asked by English Help 
Math
You complete 3cm of a necklace in a hour each hour after the first you triple the length of the necklace write an expressions using exponents for the length of the necklace after 3 hours then find the length
asked by Jaylee 
Maths
The probability of three independent events occurring are 1/2,1/3,1/4 respectively. What's the probability that only two of them will occur?
asked by Anonymous 
Science
Why is it important to keep track of direction of motion of the air track cart?
asked by Tb 
Math
Which would be the greater deal? A. 2 for 5 B.3 for 6 I think its a
asked by iHack 
Maths
The probability of three independent events occurring are 1/2,1/3,1/4 respectively. What's the probability that only one of them will occur
asked by Anonymous 
Maths
Assumed mean
asked by Anonymous 
MATHS
COS $= SIN ($  10 degree)
asked by GITF 
Business Mathematics
Alan, Bob and Chuck own an advertising firm. The profit is allocated as follows: Each partner received $80,000. Any remaining profit is allocated in proportion to the revenue over $2,000,000 the partner brought in. Alan brought in $2,200,000 in advertising
asked by Cindy