Wednesday
April 1, 2015

Posts by sam


Total # Posts: 4,324

math
Write a quadratic function rule for the given table in problems 4 and 5. 4. X (0, 1, 2, 3) Y (-6, -5, -7, 3) a. y= x-6 b. y= x-4 c. y= x^2 - 3 d. y= x^2 - 6 5. X(-1, 0, 1, 7) Y(5,4,5,8) a.y=x+4 b.y=x^2+4 c.y= x^2+6 d.y=x+6
February 6, 2015

algebra
in a triangle find the value of x when 7x + 3x + 90 degrees = 180 degrees
February 6, 2015

physic
A student stands on a rotating disk holding 4-kg objects with each hand. hen his arms are extended horizontally, the object are at 0.8m from the axis of rotation and he rotates at 0.7 rad/sec. The moment of inertia of the student plus the disk is 3.00 kgm^2 and is assumed to ...
February 5, 2015

physic
A 25 gm bullet is fired into a 2.25kg ballistic pendulum and becomes embedded in it. If the pendulum moves a vertical distance of 10cm, calculate: A. The speed of the system after collision B. The initial speed of the bullet C. The percentage of the energy lost in the process.
February 5, 2015

physic
A 0.25-kg punk, Initially at rest on a frictionless horizontal surface, is struck by a 0.20kg punk that is initially moving along the x-axis with a velocity of 2.20 m/sec. After the collision, the 0.20 kg punk has a speed of 1.5 m/s at an angle of 37 to the positive x-axis. ...
February 5, 2015

linear algebra
Which of the following homogeneous systems have a nontrivial solution? 5x+ y + 5z =0 −2x + 2y− 4z = 0 4x− 3y + 6z = 0 can someone please explain how you know
February 3, 2015

math
nevermind i got that, can someone help me with this Find the values of a and b that make f continuous everywhere. f(x) = x2 − 4 x − 2 if x < 2 ax2 − bx + 3 if 2 ≤ x < 3 4x − a + b if x ≥ 3
February 3, 2015

math
limit as x --> ininity of (5-e^x)/5+ 3e^x
February 3, 2015

Chemistry
A certain reaction has an activation energy of 58.80 kJ/mol. At what Kelvin temperature will the reaction proceed 6.50 times faster than it did at 303 K?
February 2, 2015

Algebra 2!!!!
Use the graph to shorten the list of possible rational zeros of the function. Then find all real zeros of the function. 1.) f(x)= 4x^3-8x^2-15x+9 4.) f(x)= 2x^3-5x^2-4x+10
February 2, 2015

Physics
1) If = 2.0 cm, due E and = 5.0 cm, due W Determine: a) R = -A + 2B b) V = - 2A - B c) F = 3A - B My Answers R= 8, V= -1, F= 1 Is this correct and how do you know when direction it's going to be?
February 1, 2015

art
No that is not an answer they give
January 30, 2015

physics
Two point charges are placed at two of the corners of a triangle (Take q1 = -10.2 µC, and q2 = 16.3 µC.) Find the magnitude and the direction of the electric field at the third corner of the triangle.
January 29, 2015

Math
What is 4+ 1000000.
January 28, 2015

math
The answer is 63
January 28, 2015

chemistry
How many moles of lead iodide are produced from 300. g of potassium iodide? Usie the reaction below. PB(NO3)+ KI = Ni9OH)2 + NaNO3
January 26, 2015

Math
sam travelled 1/4 of a journey by bus. He jogged 1/2 of the remaining distance and walked the rest of the way. If he walked 800 feet, what was the total distance he traveled?
January 25, 2015

math
Evaluate the limit using the appropriate Limit Law(s). lim t → 2 of (t^44 − 9)/ 2t^2 − 3t + 7
January 25, 2015

crime
I need to find facts on this so I am able to cite it in a paper
January 24, 2015

crime
How might a news company’s political alignment alter its presentation of crime in America?
January 24, 2015

linear algebra
If A is an n × n matrix, then A = S + K, where S is symmetric and K is skew symmetric. Let A= [1 3 -2;4 2 2;5 1 2] Find the matrices S and K described above can some0ne explain how to get these two matricies? thanks
January 24, 2015

Chemistry
Consider the titrtation of 25.0mL of 0.0100M Sn2+ by 0.0500M TI3+ in 1 M HCL, using Pt and Saturated Calomel Electrodes to find the endpoint. F=96486.7 Cmol E0 Sn4+/Sn2+ =0.15V E0 TI3+/TI+ = 1.28 Esce = 0.241V R=8.3141 J K Mol (D) calculate E at the following volumes of TI3...
January 24, 2015

Chemistry
A solution contains 1.694 mg of CoSO4 (MW 155.0) per mL. Calculate a) The volume of 0.008640 M EDTA needed to titrate a 25.00 ml aliquot of this solution. Step 1. 0.001694g * 25ml * 1/155 g/mol= 0.0002732 mol Step 2. Volume of EDTA needed = 0.0002732 mol/ 0.008640 M = 0.03125 ...
January 21, 2015

Chemistry (Re-post)
A solution contains 1.694 mg of CoSO4 (MW 155.0) per mL. Calculate a) The volume of 0.008640 M EDTA needed to titrate a 25.00 ml aliquot of this solution. So this is my working out for this section, Step 1. Moles of CoSO4 = 0.0001694mg * 25mL * (1mol/155g/mol) 2.732*10^-4. ...
January 21, 2015

Pre-Calc
The concentration C of a chemical in the bloodstream t hours after injection into muscle tissue is C=3t^2+t/ t^3+50 A. Determine the horizontal asymptote of the function and interpret its meaning in the context of the problem. B. approximate the time when the bloodstream ...
January 20, 2015

Pre-Calc
A company produces portable cassette players estimates that the profit P (in dollars) for selling a particular model is P=-76x^3+4830x^2-320,000, 0 ≤ x ≤ 50, where x is the advertising expense (in tens of thousands of dollars). Using this model, find the smaller of...
January 20, 2015

Chemistry
A solution contains 1.694 mg of CoSO4 (MW 155.0) per mL. Calculate a) The volume of 0.008640 M EDTA needed to titrate a 25.00 ml aliquot of this solution. moles CoSO4 = 0.001694mg/ 155 g/mol = 1*10^-6 mol Moles EDTA = 1*10^-6mol/0.025L = 0.000436 mol/L (in 25 mL) This is where...
January 19, 2015

computer graphics
Write an OpenGL program that allows interactive creation of polygons via mouse input. That is, I click to create new vertices until I like the polygon, then make some indication (double click, right click, press a key, click a button; your choice) that I’m done, and the ...
January 19, 2015

math
thanks
January 19, 2015

math
what i am just saying am i right
January 14, 2015

math
am i right ms sue
January 14, 2015

math
are u sure i am right
January 14, 2015

math
help
January 14, 2015

math
ms sue
January 14, 2015

math
please i neeeed help i think a but i not 100% sure
January 14, 2015

math
please help ms sue please or any body
January 14, 2015

math
what is the ratio of the measurements 6/12=2.5/5 in simplest form a.2:1 b.6:12 c.1:2 d.none of these
January 14, 2015

math
ok now can u look at the new question i put up please
January 14, 2015

math
here it is ms sue
January 14, 2015

math
there is to right traingles and we have to find the missing side the first traingle has 4 on the bottom and 2 as its height the second trangle has a 9 on the bottom and the x as the height which number is x. a.4.5 b.18 c.8 d.2.25 i think a
January 14, 2015

math
what do u think on the 2 one ms sue
January 14, 2015

math
im i right on these questions
January 14, 2015

math
so the first question is a
January 14, 2015

math
could you help with this one there is to right traingles and we have to find the missing side the first traingle has 4 on the bottom and 2 as its height the second trangle has a 9 on the bottom and the x as the height which number is x. a.4.5 b.18 c.8 d.2.25 i think a
January 14, 2015

math
i think it is d
January 14, 2015

math
ms sue please help
January 14, 2015

math
12/6 =5/2.5 a.2:1 b.6:12 c.1:2 d.none of these
January 14, 2015

ss
please
January 14, 2015

ss
could u help me ms sue
January 14, 2015

ss
do u know this question ms sue math 12/6 =5/2.5 a.2:1 b.6:12 c.1:2 d.none of these
January 14, 2015

ss
thanks
January 14, 2015

ss
am i right ms sue
January 14, 2015

ss
one is d and 2 is a
January 14, 2015

ss
i think a for the 1 one and b for the second one
January 14, 2015

ss
there is the 2 question
January 14, 2015

ss
why is the work session for legislators 40 day? a.legislators were meant to hold other jobs not be career politicians b.state business takes a short time to complete c.it gives legislators time to campaign for re election d.it allows representatives to work closely with ...
January 14, 2015

ss
thanks so much i am typeing the other question
January 14, 2015

ss
how is the number of constituents represented by each district decided a.by country boundary b.through geographics boundaries such as rivers c.by political party d.through apportionment
January 14, 2015

ss
thanks can u help with two more please
January 14, 2015

ss
i think a and c but i am not sure
January 14, 2015

ss
here is the new question ms sue
January 14, 2015

ss
ms. sue here is the question
January 14, 2015

ss
which of the following are true statements about the qualifications of state legislature? a.senators must be at least 21 years old b.no one without a college degree may be a legislature c.legislatures must be Georgia residents for at least 2 years d.legislatures may serve any ...
January 14, 2015

art
i posted it as a new question ms sue
January 14, 2015

art
which of the following are true statements about the qualifications of state legislature? a.senators must be at least 21 years old b.no one without a college degree may be a legislature c.legislatures must be Georgia residents for at least 2 years d.legislatures may serve any ...
January 14, 2015

art
thanks could u help me with another one please
January 14, 2015

art
the bicameral organization of the georgia legislature consists of what? a.the house and senate b.the supreme court and the governor c.districts and apportionment d.senior and junior members
January 14, 2015

art
could you help with one more please
January 14, 2015

art
thank u i will tell u what i made
January 14, 2015

art
ms.sue? please i really need help thanks
January 14, 2015

art
can u please help me before midnight please
January 14, 2015

art
i have one more question im so sorry what inference near eastern cultures the best? a. all citizens were excellent writers b.only god worship the near east
January 14, 2015

art
so the first one is d and the second one is b
January 14, 2015

art
so it is b
January 14, 2015

art
could you tell me the answer please thank you so much
January 14, 2015

art
thats the answers
January 14, 2015

art
symbol of fortune byzantine god feared creature byzantine diet
January 14, 2015

art
i have one more question a golden byzantine belt is imprinted with the figure of a hunting falcon what cultural message is the artist hoping to send
January 14, 2015

art
so it would be d
January 14, 2015

art
please could u help me ms.sue
January 14, 2015

art
i really need help i looked in all my notes and everything please thanks
January 14, 2015

art
in near eastern culture the winged genius often represented in art and artifacts was a blank god a.destructive b.creative c.understanding d.benevolent
January 14, 2015

astronomy
a light year is a unit of distance most comparable to the distance from earth to what? nearest galaxy nearest star outer solar system
January 14, 2015

statistics
a statistics instructor collected data on the time it takes the students to complete a test. the test taking time is uniformly distributed within a range of 35 minutes to 55 minutes. determine the standard deviation, what is the probability a particular student will take less ...
January 13, 2015

calc
Is the matrix 6 0 0 5 a linear combination of the matrices 1 0 0 1 and 1 0 0 0 ? how do you figure this out?
January 13, 2015

math
find the simple interest on naira 28 for 25 years at 1 percentage per annum.
January 12, 2015

MATH
okay thank you ! :)
January 10, 2015

MATH
i know the answer is 0.08 but how can i isolate for i instead of using the method guess and check 5000 = (800[1-(1+i)^-9])/i
January 10, 2015

MATH
an annuity has an initial balance of $5000. annual withdrawals are made in the amount of $800 for 9 years, at which point the account balance is zero. what annual rate of interest, compounded annually, was earned over the duration of this annuity? PV = $5000 R = $800 n = 9 i...
January 10, 2015

math
an annuity has an initial balance of $5000. annual withdrawals are made in the amount of $800 for 9 years, at which point the account balance is zero. what annual rate of interest, compounded annually, was earned over the duration of this annuity? PV = $5000 R = $800 n = 9 i...
January 10, 2015

physics
An Olympic pool has dimensions 50.0 m × 25.0 m × 2.68 m (length × width × depth). The density of the pool water is 1007 kgm-3. Atmospheric pressure (1.00 atm) is acting on the surface of the water. If a child dives down to the bottom of the pool what ...
January 8, 2015

math
nvm again... sorry
January 7, 2015

math
joshua won $250000 in a draw to support the local hospital. he does not need the money for 3 months, so he decides to invest it in an account that pays 8% simple interest annually. calculate the interest paid on joshua's investment at the end of the 3 month period.
January 7, 2015

Precal
The angle of elevation from a ship in the ocean to the top of a lighthouse is 21deg. If the lighthouse is 200 ft. tall, how far out is the boat? Be sure to show work for partial credit.
January 6, 2015

math
What symbol did people use to define an angle before the angle symbol was invented ? Thank you
January 5, 2015

math
How do I solve this? -5(4x+1) =15 Thank you
December 30, 2014

Static Friction..I really Have no Idea
A 0.40 kg block rests on a desk. The coefficient of static friction is 0.20. You push the side of the block but do not have a spring scale to measure the force you use. The block does not move. Which statement is true about the force of static friction? It is no larger than 0....
December 21, 2014

Chem
A bicycle pump inflates a tire whose volume is 577 mL until the internal pressure is 627 kPa at a temperature of 21.7°C. How many moles of air does the tire contain?
December 17, 2014

math
Tony jogs 4 2/5 miles from the gym to his home daily. If he takes a water break after 2 1/4 miles,how much further does he have to jog home?
December 16, 2014

math
Tony jogs 4 2/5 miles from the gym to his home daily. If he takes a water break after 2 1/4 miles, how much father died he have to jog home?
December 16, 2014

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>

Members