# Posts by carter

Total # Posts: 127

Math
Solve by substitution :addition, substration or multiplication 2X+10Y=2 and 3X-5Y=-17 X= Y=

Math
Solve by substitution :addition, substration or multiplication 4X+3Y=19 and 6X+3Y=33 X= Y=

Math
Solve by substitution :addition, substration or multiplication 2X+2Y=-2 and 3X-2Y=12 X= Y=

math
solve by substitution: addition, subtraction or multiplication. 3X+Y-11 and -2X+Y=1 X= Y=

Math
2X-3Y=-24 and X+6Y=18 X= Y=

Math
3X+Y-11 and -2X+Y=1 X= Y=

math
(-9)-(+21)=

math
(-18)-(+11)=

english
Its A.

math
solve for x 2/3x-2/3=x/6+4/3

American Government
He is right

Social Studies
then would it be b because they would have had to learn the new land for the first couple of years

Social Studies
What was a primary challenge faced by the Jamestown colonists during the first few years? a.They chose an unsecure location b.They lacked knowlede c.They faced fierce trading competition from the French and Dutch. d.All of the crops they grew had to be shipped back to King ...

Maths
A rectangle lawn has perimeter of 34m. Another rectangular lawn is 2cm narrower but 2m longer than the first lawn. If A(one) and A(two) are the areas of the first and second lawn respectively and A(one):A(two)=7:6, find i)the dimension of the lawn. II)the area of each lawn. ...

Inequality
-3x-42>3 collect like terms -3x>3+42 -3x>45 divide both sides by -3 -3x/-3>45/-3 x<45/-3(at this point d sign changes because of the -) x<-15

math
(8*4)-25=? 32-25=7

Maths
The area of a rectangle of width ycm is 140cm^2. If the width is reduced by 2cm, the length increases by 3cm, and the area decreases to 136cm^2 to form an equation that enables you to determine the value of Y and hence, find the diagonal of the original rectangle workings. ...

physics

physics
H:2h

Nath
2:30 thermometer read 44 degrees Celsius. It risen 3 degrees between noon and 2:30 pm and 12 degrees between 7 am and noon. What was the temp at 7 am

A cube has a side length of x feet. Which expression represents the surface area of the cube? 4x square units 24x square units x'2 square units 6x'2 square units *** Find the surface area of the cylinder that has a height of 15 cm and a diameter of 2 cm. Use 3.14 for ...

Math - Check
I really, really need someone.

Math - Check
2. A cube has a side length of x feet. Which expression represents the surface area of the cube? 4x square units 24x square units x'2 square units 6x'2 square units *** 3. Find the surface area of the cylinder that has a height of 15 cm and a diameter of 2 cm. Use 3.14...

Math
24 students in class. 3/6 are boys. How many boys are there in this class?

Cal 2
Find c>0 such that the area of the region enclosed by the parabolas y=x2−c2 and y=c2−x2 is 230.

Math
For each of the functions below, state the domain and range, the restrictions, the intervals of increasing and decreasing, the roots, y-intercepts, and vertices. b) f(x)=+squareroot x−2

Math CAN SOMEONE ANSWER MY QUESTION
The point (1,-2) is on the graph of f(x). Describe the following transformations on f(x), and determine the resulting point. a) g(x)=2f(x)+3 b) g(x)=f(x+1)−3 c) g(x)=−f(2x) d) g(x)=−f(−x−1)+3

Math
The point (1,-2) is on the graph of f(x). Describe the following transformations on f(x), and determine the resulting point. Question 5 options: a) g(x)=2f(x)+3 b) g(x)=f(x+1)−3 c) g(x)=−f(2x) d) g(x)=−f(−x−1)+3

Math
The point (1,-2) is on the graph of f(x). Describe the following transformations on f(x), and determine the resulting point. a) g(x)=2f(x)+3 b) g(x)=f(x+1)−3 c) g(x)=−f(2x) d) g(x)=−f(−x−1)+3

Math Need Immediate Help????
Idk can you just help me with a

Math Need Immediate Help????
Find the inverses of each of the functions below algebraically. a.f(x)=3y+5x=18 b.h(t)=−4.9(t+3)^2+45.8

Math
Find the inverses of each of the functions below algebraically. a.f(x)=3y+5x=18 b.h(t)=−4.9(t+3)^2+45.8

Math
can you find the other one aswell please

Math
Find the inverses of each of the functions below algebraically. p(r)=2r^2+2r−1 3y+5x=18

Physics
A 22kg child on a 1.75m long swing is released from rest when the swing supports make an angle of 35 degrees with the vertical. 1.What is the child's maximum potential energy? 2.Disregarding friction, find the child's theoretical speed at the lowest point. 3.If the ...

HELP PLZ WITH HEALTH
Wow! That really freaking helped!Why don't you actually try for once and give good feedback?

English
Yes the answers are 1)B 2)A 3)False

Algebra
X+4=square root of 5

Math
a/c minus c/a

Math
If the diameter of a circle is 22 cm, what is the circumference of the circle and the area of the circle

Math
36+48+60=144

Algebra
Simplify 0.5(4.1x+3.6y)

math
1.68 or 1.69

math
solve -8/15 a = 9/10

math
IM GAY

Chemistry
A concentration cell consists of two Sn/Sn2+ electrodes. The electrolyte in compartment A is 0.16 M Sn(NO3)2. The electrolyte in B is 0.86 M Sn(NO3)2. Which electrode is the cathode? What is the voltage of the cell? (Answer with two significant figures.)

math
My name is Roderick and my nickname is Bink..I go to Forrest city at high school. Who is tanne and Megan????? Just needed a problem checked

algebra
3x+4<19

Math
I think it is 15.3 + 2q + 3.79

Chemistry
What mass of lithium (in g) is required to react completely with 57.5mL of N2 gas at STP? Lithium reacts with nitrogen gas according to the following reaction: 6Li(s)+N2(g)→2Li3N(s)

Chemistry
Consider the following balanced equation: 2N2H4(g)+N2O4(g)→3N2(g)+4H2O(g) Complete the following table showing the appropriate number of moles of reactants and products. If the number of moles of a reactant is provided, fill in the required amount of the other reactant, ...

Algebra!
(1) A business shipped 108 packages one day. Customers are charged \$3.50 for each standard-delivery package and \$7.50 for each express-delivery package. Total shipping charges for the day were \$506.00. How many of each kind of package were shipped? Standard: Express: (2) A ...

Algebra!
(1) A business shipped 108 packages one day. Customers are charged \$3.50 for each standard-delivery package and \$7.50 for each express-delivery package. Total shipping charges for the day were \$506.00. How many of each kind of package were shipped? Standard: Express: (2) A ...

Physics
A 75 kg skier starts at rest on top of a icy inclined plane (with a 30 degree angle to the ground). He ends up going past the inclined plane and onto a flat ground. And comes to a rest. The coefficient of friction is .100. How long does it take for the skier to go from rest (...

financial litercy
a sales manager has weekends off and 20 paid vacation days per year, including holidays that fall on weekdays. if her salary is \$93,600 per year, what is her pay per weekday?

bussiness math
November 5

chemistry
Calculate the change in entropy (ΔS˚) of reaction (J/K) for the equation as written. BaCO3(s) → BaO(s) + CO2(g) Table: S° (J/(K mol)) BaCO3(s) = 112 BaO(s) = 70.3 CO2(g) = 213.7 So the answer is -41.7 I thought to find the entropy of reaction you subract ...

Science
What vocabulary term causes iron to rust

statistics
yguyg

calculus
Find critical points of f, and the extrema of f on the given interval. a)f(x) = x^4-10x^2; [0,3] b)f(x) = (x/e^x); [0,2]

Chemistry
i like Zia

math
1/3 + 5/14 divided by 5/7 Any help?

chemistry
a 1.00g sample of water is allowed to vaporize completely in a 10.0L container. What is the pressure of the water vapor at 150 degrees celsius?

physics
A boulder in a river has weight of 65N. It displaces a volume of water with a weight of 10N. Which is the net force on this rock? 55 N down 65 N down 75 N up 75 N down

Math
Verify the identities by transforming the left-hand side into the right-hand side. Show work. (tan^2X)/(1-cos^2x)= sec^2x HELP

math
-infinity < n < 4

trig
Let P be the point on the unit circle U that corresponds to t. Find the coordinates of P and the exact values of the trigonometric functions of t whenever possible. 2pi 3pi/4 5pi/6 Three questions. I think those are supposed to be t.

physics
There's an easy formula to figure out how fast something will be at the end of a fall. Square root of (2gh). Mass isn't even involved Sq.Rt.(2 x 9.8 x 2) Sq.Rt.(39.2) 6.26 m/s

Science
It would be greater on both bodies as gravity is inversely proportional to distance.

Science
The earth would go in a straight line tangent to it's current rotation of the sun as the sun is no longer pulling it in causing the elliptical in the earths rotation. Without the gravity pulling it in, the earth would simply go flying off into space.

math
2^2+3^2=4^2 4+9=16 13=16 No, they could not be the side lengths of a right triangle because they are not correct in the Pythagorean theorem.

trig
If csc theta = 2, then what is theta approximated to 4 decimal points? RADIANS

Math
Andre gets 62 marbles and Don gets 124 marbles.

Physics
Relative Density = Weight in water/Loss of weight in water 13/7= 1.86 12/8= 1.5 That's the relative density of each according to oil and water, but I'm not sure how to find the same number for both unless you just average them, then it would be 1.68.

Physics
That's in Newtons.

Physics
Buoyant Force = weight of displaced liquid. 4cm^3= 0.000004m^3 0.000004x1030x9.8 = Buoyant Force 4.0E-2 = Buoyant Force

English
Yeah i also do connections. 10th grade. In September of 2012 i went to the beach for a week. it is now almost christmas and i still am trying to get caught up. weve been on break foralmost a week. this is so stressful. People think its easy because were home. NOOOOOOOOOOOOO...

how do I find the mean of 92;96;99;103;88

Math
Kevin has a rabbit, a ferret, a gerbil and a turtle. He feeds them in a different order each day. In how many different orders can Kevin feed his pets?

Trigonometry help
If sin(x) = 1/3 and sec(y) = 13/12 , where x and y lie between 0 and π/2, evaluate the expression using trigonometric identities. (Enter an exact answer.) sin(x + y)

cal
If sin(x) = 1/3 and sec(y) = 13/12 , where x and y lie between 0 and π/2, evaluate the expression using trigonometric identities. (Enter an exact answer.) sin(x + y)

u.s history
What type of change did franklin d. Roosevelt bring?

Literature/The Crucible
Because proctor did not know the 6th commandment, then what happen?

Chemistry
When 0.526 L of Ar at 1.20 atm and 227°C is mixed with 0.270 L of O2 at 501 torr and 127°C in a 400. mL flask at 27°C, what is the pressure in the flask?

Chemistry
I got it. Thank you so much.

Chemistry
So, how do I get the grams ? Thank you.

Chemistry
1. A small piece of zinc reacts with dilute HCl to form H2, which is collected over water at 16°C into a large flask. The total pressure is adjusted to barometric pressure (752 torr), and the volume is 1538 mL. Use Table 5.2 to help calculate the partial pressure and mass ...

criminal justice
how do defense attorneys deal with the moral dilemma of representing people they know are guilty?

HISTORY
Why should a political system be unitary, federal, or confederal? If the U.S. were to have another constitutional convention, would we keep a federal system or change it?

chemistry
What will happen to the volume of a gas in a closed container if you increase the external pressure when the temperature remains constant?

math
Use linear combinations to solve the system 3x − y = −4 −6x + y = 34 The value of x is The value of y is

math
A passenger in an airplane flying at an alti- tude of 14 kilometers sees two towns directly to the left of the plane. The angles of depres- sion to the towns are 30◦ and 52◦. How far apart are the towns? Answer in units of ft.

Biology and Graphing (Stats)
i need to make a graph on excel.. my data involve putting goldfish (from the same tank and same type) into 3 different environments : acidic, neutral (control), and basic. What kind of graph should I use? just a line graph? but then what should my variables look like? the 3 ...

math story problems
Petra bought gasoline when the odometer read 15,345.4. After the next filling, the odometer read 15665.6. It took 13.4 gal to fill the tank. a) How many miles did she drive? b) How many miles per gallon (mpg) did the car get?

MATH
a) Multiply and simplify using fractions 3 5 - * - 5 7 b)Convert your answer to a decimal. thank you for the help.

Career
and hair salons

chemistry
I need help with a

chemistry
What is the acid and base whose reaction will produce the salt Na3PO4? What is the acid and base whose reaction will produce the salt PbS? What is the acid and base whose reaction will produce the salt KIO3? phosphoric acid, sodum hydroxide lead hydroxide, H2S potassium ...

chemistry
What are the acids and bases of the following salts? Na3PO4 PbS KIO3 Do you meant on dissociation? phosphoric acid, sodium hydroxide lead hydroxide, hydrogen sulfuric potasslim hydroxide, idoic acid. I am not certain of your question.

chemistry
What are the acids and bases of the following salts? Na3PO4 PbS KIO3

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