# Posts by m

Total # Posts: 1,309

**Science**

Are these equations balanced or unbalanced 3. Cu+H2SO4 Yields CuSO4+H2 Balanced 4. 2Fe+3S Yields Fe2S3 Balanced 5.N2+H2 Yields NH3 Unbalanced Answer this Questio

**Science**

true or False in a physical change some of the physical properties of substance may be altered and the chemical composition remains the same

**Science**

Ty

**Science**

True or False Another name for chemical change is chemical bond

**Science**

Are these equations balanced or unbalanced 6. 2AlN Yields 2Al+N2 Balanced 7.Mg(OH)2+2HCl Yields MgCl2+2H2O Balanced 8. K+H2O Yields H2+KOH Unbalanced

**Science**

Are these equations balanced or unbalanced 3. Cu+H2SO4 Yields CuSO4+H2 Balanced 4. 2Fe+3S Yields Fe2S3 Balanced 5.N2+H2 Yields NH3 Unbalanced

**Science**

Thanks

**Science**

Are these equations balanced or unbalanced 1. Mg + 2HCl Yields MgCl2+H2 Balanced 2.H2+O2 Yields H2O Unbalanced

**Math**

Is 5x-y=-21 in slope intercept y=5x+21

**Math**

Nevermind I got it

**Math**

x=-y+3 5x-y=-2 Solve using Elimination I already solved the equation using Substitution, Graphing, and a table I just need a little more help on Elimination. I know that in Elimination they have to be in the same form so I put it in slope intercept which would be y=-x+3 and y=...

**Math**

y=3x+2 4x-2y=-8 Solve using Elimination method

**History**

What did Marbury vs Madison establish

**History**

And is the last one routes

**History**

Is the third one trade

**History**

Inventor of Steamboat? Answer : Robert Fulton Name of his first steamboat Answer : Clermont Effects of invention were faster and cheaper ___ on rivers and oceans Answer : loads Opens new ______ for trade since it can travel faster with heavier loads than sailing ships

**History**

No ):

**History**

Era of Good Feelings?

**History**

What event does this describe Nation united under the Democratic Republican party, Shift from state to national sovereignty, Supreme Court strengthens the power of the federal gov

**History**

or the word independent

**History**

For my notes it says American System : transportation to unite the nation promoted by Congressman Henry Clay a strong nationlist to protect nations business from foreign competition and help pay for transportation improvements to nation. Establish a national bank that would ...

**History**

Do you know what goes in the blank

**History**

American System Congressman that proposed? Was it Henry Clay It was designed to make the nation _____________ not needing to trade with others to survive

**History**

Ty

**History**

Albany to Buffalo NY?

**History**

The Erie Canal ran from _____ NY, on Lake Erie to _______ NY at the Hudson River Linking the Great:ales Regio (NW Territory) to the east coast what goes in the blank

**Math**

In Mrs. Smith's Kindergarten there are 20 students. The number of girls is 4 less than the number of boys. How many girls and how many boys are there

**Math**

x+y=5 I mean

**Math**

A music store sells tapes for $10 and XDS for $15. Someone buys 5 items in this store and pays $60 How many of these items were tapes and how many were CDS? x=tapes and Y=CDS Are the two equations x+y=60 and 10x+15y=60?

**Math**

Actually one of them is x+y=7

**Math**

I know that there will be 3 quarters and 4 nickels because 3 quarters is 75cents and 4 more nickels equals 95, but how would I make 2 equations for the problem.

**Math**

You have some quarters and some nickels in your pocket in total you have 7 coins and together they are worth 95 cents how many nickels and how many are quarters? I know the equations will have something to do with the 7 couns and they are worth 95 cents all together Is one of ...

**Math**

Thank you

**Math**

a store sells sweaters for $40 each and jeans for $20 maria buys 5 pieces of clothing ( some jeams and some sweaters ) and pays $160, how many sweaters and how many jeans does she buy

**Science**

How many atoms are in LiBr2 show in the reaction side? LiCl (22g) + Br2 (30g)

**Math**

So when you plug in the x's as -8 would it be y=-x+4 and y=2(-8)-4

**Math**

I think I'm confused because this one is in Slope Intercept Form

**Math**

So you first do 2x-x and get 1x. What do you do after that? Because I see it says 0=1 x + 8 but I still don't know how to get it

**Math**

On the Elimination part

**Math**

I know where you get 1x but where did you get the +8 from

**Math**

Solve the following system of equations using both substitutio and elimination y=-x+4 y=-2x-4 Do I do what I do with the previous problems

**Math**

Ty

**Math**

5x-4y=10 -10x+2y=-20 If x is 2 what would y be? When I plug it in I get y as 0

**Math**

2x-5y=53 -x+5y=-44 Find x and y for both equations My answer : x=9 and y=-7?

**Math**

Thank you

**Math**

iS x 10 and y 26

**Math**

-3x+5y=80 4x-5y=-90 What are the x and y for both equations

**Math**

What would y be? Is it 0

**Math**

5x-4y=10 -10x+2y=-20 What are the values of the x and y for both equations

**Math**

Line "a" passes through points with coordinates (-3,5) and (0,0) and a line "b" passes through points with coordinates (3,5) and (0,0). Explain how you would determine whether lines a and b are parallel perpendicular or neither

**Math**

How to find the perpendicular line of y=1/3x-2

**Math**

Brenda's School is selling tickets to a spring musical. On the first day of ticket sales the school sold 3 senior citizen tickets and 9 child tickets for a total of $75. The school took in $67 on the second day by selling 8 senior citizen tickets and 5 child tickets Set up...

**Math**

x+3y=-6 in slope intercept form Is it y=-1/3x-2

**Math**

x=3-3y in slope intercept form Is it y=-1/3x+1

**History**

By products and production does it mean the price or the ability to make it

**History**

In the passage it says "McCormick's invention increased food production enormously, which then lef to a decrease in farm product prices" So would it be A

**History**

Which of the following is a result of the invention of the cotton gin and the corn reaper? A.Farm products decreased B.farm production increased C.more northerns became farmers D.more farm products were imported I think it's A or B

**Science**

Is this equation balanced or unbalanced? H3PO4 and H4P2O7+H2) The first equation has 3 Hydrogen, 1 Phosphorus, and 4 Oxygen. HOw do you find the second equations Oxygen?

**History**

The changes in the way goods were made in the mid 1700s first appeared in A.France B.Spain C.Britain D.US C

**Science**

H2SO4. It's asking for the number of atoms and the total atoms. Do I just put 7 atoms for both questions?

**Science**

H2SO4. It's asking for the number of atoms and the total atoms. Do I just put 7 atoms for both questions?

**Math**

I know it's not B

**Math**

A football stadium can seat 80,000 people The stadium sells tickets for luxury suites and general admission. The stadium cannot sell more than 200 lucury suites and no more than 77,000 tickets for regular admission. If a new stadium will be made to hold 150,000 people which of...

**Science**

Thank you

**Science**

Find the amount Atoms and the total amount of elements for each formula C4H10 2 elements 14 atoms H4Mg3Si2O9 4 elements 18 atoms C6H7O2(OH)3 3 elements 18 atoms Pb(NO3)2 3 elements 9 atoms

**Science**

Find the amount Atoms and the total amount of elements for each formula HCl 2 elements and 2 atoms H2SO4 3 elements 7 atoms KI 2 elements 2 atoms H2O 2 elements 3 atoms

**Science**

Thank you!

**Science**

How to find how many atoms are in a formula such as H20

**Math**

Josh runs 7 miles in 36 minutes. Keria runs 3 miles in 15 minutes Which runner is faster

**Math**

What is a parent function

**Grade**

14

**Grade**

If there are 70 questions and you get an 80 how many did you miss

**History**

A?

**History**

What Physical Feature of the New World's Coastline greatly attracted European Colonits A.Offshore islands B.Fertile soil along high moutain cliffs C.Natural harbors along the Atlantic Coast D.Large lakes along the coastline D?

**History**

What physical feature especially attracted European colonists? A.Many offshore islands B.Fertile soil along high mountain cliffs C.Natural harbors along Atlantic Ocean D.Large lakes located along the coastline

**History**

Thank you

**History**

1776?

**History**

What year was the Declaration of Independence adopted by the Second Continental Congress

**History**

9 is William Vlackstone and 10 is Adam Smith?

**History**

Word box : 1st Amendment, 5th Amendment, Fear that strong gov would violate personal liberties, Baron Charles de Montesquieu, John Locke, responsibilities of citizenship, religous freedom, economic opportuinities, William Blackstone, Adam Smith, Political ecomonic and legal ...

**Math**

What is the value of h(x)=|x/2| when x=-2? A. -2 B.-1 C.1 D.2

**Math**

What is the result when 600 is increased b y 20%. A.612 B.620 C.720 D.1200

**Math**

A car travels at 60 mi/hr. The function f(x)=60x gives the distance the car travels in x hours. What is the range of this function? A.y is greater than or equalt o 0 B. {0,1,2,3,...) C.{0,60,120,180,...} D.all real numbers

**History**

Word bank : Lexington and Concord, Saratoga, Yorktown Treaty of Paris 1783, John Paul Jones, Benedict Arnold, Valley Forge, hessians, Boycott, embargo 1. ends American Revolution establishes borders of US Treaty of Paris 2.German mercenaries who fought against colonies in ...

**History**

7.Author of Common Sense and The American Crisis Thomas Paine 8.Primary author of Declaration of Independence, 3rd president, bought Lousiana Purcahse Thomas Jefferson

**History**

Word bank : Samuel Adams, Bejamin Franklin, King George III, Thomas Jefferson, Marquis de Lafayette, Baron Frederick von Steuben, Thomas Paine, George Washington 1.ambassador to France in American Revolution author of Albany Plan of Union, delegate to the Philadelphia ...

**History**

Word box : Common Sense, Northwest Territory Ordinance, The American Crisis, Land Ordinance of 1785, Shays Rebellion, Philadelphia Convention of 1787, Virginia Plan, "Give me Liberty or Give me death" 1. Massachusetts farmers rebellion over loss of farms Shays ...

**History**

Word Box : Declaration of Independence US Constitution articles of confederation Federalist Papers Bill of Rights Washingtons Farewell Address, Albany Plan of Union, Olive Branch Petition 1.americas first government,weak, consisted of only legislative branch created during ...

**History**

Thank you!

**History**

Word box : Mercantilism Religious Freedom Magna Carta English Bill of Rights Mayflower Compact Fundamental Orders of Conneticut Virginia House of Burgesses Navigation Acts 1. 1689 law that reinforced the idea of no taxation without representation and the right to petition the ...

**History**

Word Bank : Popular Sovereignty, Republicanism, Federalism, Separation of Powers, Checks and Balances, Limited gov, Individual Rights 1. aidivion of power between the states and federal gov some power is reintaed for the federal gov some for the states and somet hey share or ...

**Math**

Which is independent and which is dependent? The cost or the shirt?

**Math**

X is 1 2 3 4 5 Y is 98 96 94 92 90 What is Domain and Range? I know that Domain is all x and Range is all y but how would I put Domain and Range as an inequality

**Math**

What is a process table

**Math**

How to find independent and dependent variables

**physics**

Consider a system of a cliff diver and the earth. The gravitational potential energy of the system decreases by 21,000 J as the diver drops to the water from a height of 32.0 m. Determine her weight in newtons.

**History**

What was John Adams foreign policy?

**Math**

If a large factory sells its new gadgets for $5 each it can sell 1050 per month and if it sells the same gadgets for $9 it will sell 900 per month. Assuming the relationship between price and sales is linear predict the monthly sales of gadgets to the nearest whole number if ...

**Math**

In 1980 the average price of a home in Brainerd County was $97,000. By 1986 the average price of a home was $109,000 Write a linear model for the price of a home, P, in Brainerd County as a function of the year, t. Let t=0 correspond to 1980

**History**

3 is Oliver Hazard 4. is Andrew Jackson 6 is James Madison