Friday
October 24, 2014

Posts by Angela


Total # Posts: 1,385

physics
if a cart is released from rest and it takes 28 seconds to travel down a 10 meter incline what would be the average speed of the cart
January 24, 2012

history
one distinction you couldn't overlook when critically evaluating the information provided about the boston tea party
January 24, 2012

chemistry
A certain substance has a heat vaporization of 47.97 kJ/mol. At what Kelvin temperature will the vapor pressure be 7.50 times higher than it was at 297K? Please help me! I don't understand heat vaporization questions
January 23, 2012

physics
I CAN'T GET THE RIGHT ANSWER :( A 0.230 kg block on a vertical spring with spring constant of 4.25 multiplied by 103 N/m is pushed downward, compressing the spring 0.048 m. When released, the block leaves the spring and travels upward vertically. How high does it rise ...
January 15, 2012

algebra
Find the domain of the function g(x)=3/10-7x
January 6, 2012

algebra
-9-12(2-3y)= -25-2(y+6)
December 8, 2011

algebra
write the slope intercept euation for the line with slope -1/2 and y intercept (0,3) and graph the line.
December 8, 2011

algebra
write the slope intercept equation for the line that passes through (-5,10)and (-4,3)
December 8, 2011

ALGEBRA
what is -9y-12(2-3y)= -25-2(y+6)
December 7, 2011

Chemistry-help
0.5g of Solid A is dissolved in 1L solvent to give a concentration of concentration 0.5g/L. UV absorbance spectrum was collected. How to calculate the absorptivity on the dried basis?
December 6, 2011

ALGEBRA
determine if (-1/3,3) is a solution to 3x+8y=23
December 5, 2011

math/117
FOIL (8x^8-9)(x^9-5)
December 4, 2011

Math
Multiply (b+1/3)(b+1/5)
December 4, 2011

math/117
Which one is the answer? 3 or 2.54?
December 4, 2011

math/117
Jack usually mowes his lawn in 7 hours. Marilyn can mow the same yard in 4 hours. How musch time would it take for them to mow the lawn together?
December 4, 2011

algebra
write the equation for this situation the population, p, in thousands,can be approximated by the sum of 4 and one-half times the years since 1985,d. Then graph the equation and use the graph to determine the population in the town in 1995.
November 30, 2011

algebra
37.051 is 55.3% of what number.
November 28, 2011

algebra
Is x=6 a solution to -2x-4=-8 I think that it is yes.
November 17, 2011

marketing
Explain the importance of an organized new-product development process and illustrate how it might be used for (a) a new hair care product, (b) a new children’s toy, and (c) a new subscribers-only cable television channel.
November 17, 2011

English- Due Soon
Please check for any errors and correct them. Thank You. The word Divorce can make a lot of people feel hurt, angry, and depressed. But for others, it can mean the end to a bad or abusive marriage. Many people do not like to talk about it, but it can put a huge strain on kids...
November 16, 2011

algebra
what is the volume of a sphere with radius r is given by the formula v=4/3 r^3 Find the volume of sphere with radius 4 meters. use 3.14 for the value of x and round your answer to the nearest tenth.
November 16, 2011

Chemistry
What is the molecular geometry (shape) if you have 3 single bonds and 1 lone pair around the central atom?
November 14, 2011

English- Due @ 8
Ok Sra were those the only errors that you founded?
November 13, 2011

English- Due @ 8
Please chech for any errors and let me know if I need to change please correct it for me. Obesity is one of the major causes of health problems in the United States. According to Charles Schmidt, obesity is starting to catch up with smoking, which is causing illness and death...
November 13, 2011

algebra
Minute hand of a clock is 10 inches long. how far does the tip of the minute hand move in 15 seconds? I got that=5 pi BUT What speed is it moving in miles/hr???? algebra - PsyDAG, Sunday, November 13, 2011 at 1:38am Assuming it does move 5 pi, convert 5 * 3.1416 = 15.7 inches ...
November 13, 2011

algebra
Minute hand of a clock is 10 inches long. how far does the tip of the minute hand move in 15 seconds? I got that=5 pi BUT What speed is it moving in miles/hr????
November 12, 2011

MATH
2x -4y = 8 find the real number for x and y
November 11, 2011

Psy
Professor Klinger says that all of your ideas come from interaction with the environment rather than anything that you were born with. The professor is advocating a theoretical perspective based on a(n)___ view. A) tabula rasa b) contemporary c) moral d) ecological
November 10, 2011

ALGEBRA
9/16-(-3/16) SUBTRACT SHOW ALL OF YOUR WORK SIMPLIFY tHIS IS WHAT I GOT. 9/16+3/16=12/16=3/4 IS WHT I got.
November 10, 2011

ALGEBRA
SIMPLIFY 0.1/O i GOT 0 FOR THE ANSWER BECAUSE ANY NEMBER DIVIDED BY 0 IS UNDEFINED IS THAT CORRECT.
November 10, 2011

ALGEBRA
STATE THE RECIPROCAL. -1/10 MY ANSWER IS -10 I need to know if I am on the right track.
November 10, 2011

ALGEBRA
write the expression using exponents m*m
November 10, 2011

algebra
write the wxpression using exponents. m*m
November 10, 2011

algebra
add -90+17
November 10, 2011

algebra
simplify (-19)^2
November 10, 2011

algebra
simplify 0.1/0
November 10, 2011

algebra
c-(c^2)-7 for c=-6
November 10, 2011

algebra
3b-(-12-b)
November 10, 2011

algebra
simplify 5+5^2(23)-(-27)
November 10, 2011

ALGEBRA
-1/10 state the reciprocal.
November 10, 2011

ALGEBRA
-8/9*27 multiply. show all of your work.
November 10, 2011

ALGEBRA
9/16-(-3/16) subtract show all of your work. simplify
November 10, 2011

English Help Please Due at 8am
Please proofread for any errors. If you see any please correct them. Thank you. Obesity is one of the major causes of health problems in the United States. Research has been done about this topic for many years. It is more common in the United States because of all the ...
November 9, 2011

algebra
Evaluate 5x-3y x=3 and y=4 ----- 7
November 8, 2011

MATH
HOW DO I COME UP WITH THE REAL NUMBERS FOR X-2Y=200 THE REAL NUMBERS FOR X AND Y
November 8, 2011

MATH
X-4=300 HOW DO I FIND THE REAL NUMBER FOR X
November 7, 2011

algebra
-1/2*3/5*(-2/7)
November 7, 2011

algebra
COMBINE LIKE TERMS 14-(-5x)+ 2z-(-32)+4z-2x
November 7, 2011

algebra
perform the indicated operation and if possible,simplify please show all of your work. write your answer in lowest terms. 18/35 divided by 22/25
November 7, 2011

algebra
write a true sentence using either < or> -7.82 -7.802
November 7, 2011

algebra
TRASLATE THE FOLLOWING SENTENCE INTO AN EQUATION. dO NOT SOLVE TEN MORE THAN THREE TIMES A NUMBER IS 130.
November 7, 2011

ENGLISH
Ok I made the changes and also added some info. If you would please check it for errors I would appreciate it. Obesity is one of the major causes of health problems in the United States. Research has been done about this topic for many years. It is more common in the United ...
November 6, 2011

ENGLISH
Please check for any errors. If you would correct them i would appreciate it. Obesity is one of the major causes of health problems in the United States. Research has been done about this topic for many years. It is more common in the United States because of all the ...
November 6, 2011

ALGEBRA
use the associative law of addition to write an equivalent expression (r+st)+ 8
November 6, 2011

algebra
Write a true sentence using either < or> -7.82 -7.802
November 6, 2011

algebra
EVALUATE 5x-3y ________ for x=3 and y=4 7
November 6, 2011

algebra
x+10+3x=130
November 6, 2011

algebra
TRANSLATE THE FOLLOWING SENTENCE INTO AN EQUATION DO NOT SOLVE. tHIS IS WHAT I GOT Ten more than three times a number is 130.
November 6, 2011

algebra
use the associative law of addition to write an equilalent expression (r+st)+8
November 6, 2011

algebra
perform the indicated operation 7/5 * 8/3
November 5, 2011

math
how do you find the coordinate of x in the problem x-4y=100 in other words how do i find out what x is and 4y what do the y stand for how do i get it
November 5, 2011

algebra
order from least to greatest. -1/4, -2/3, 7, -8, 9
November 3, 2011

AP Government
I found that it ensures the members electoral advantage, and...?
November 2, 2011

AP Government
Who assigns bills the the committees? Why is this an important power to have and how can this person use this influence?
November 2, 2011

math
Carlos had a 10% off coupon and spent it on a computer game that was marked down 30%. What was the total discount?
October 30, 2011

Business Math
Please answer these problem for me.Thanks so much. 1. Border's Bookstore ordered 800 art books. On verifying the order, only 160 books were actually received. The percent of the order missing was: 2. The net price equivalent rate of 9/15/18 is: 3. If the net price of a ...
October 18, 2011

Math
Please answer these problem for me.Thanks so much. 1. Border's Bookstore ordered 800 art books. On verifying the order, only 160 books were actually received. The percent of the order missing was: 2. The net price equivalent rate of 9/15/18 is: 3. If the net price of a ...
October 18, 2011

Physics
A boy has a mass of 45 kg and is running with a velocity of 8 m/s. Find the boy's kinetic energy.
October 17, 2011

English-Please Help Due @ 8a.m.
Can you please check for any errors. And corrent the errors for me. It is due tomorrow morning. Also, let me know if you think this is a descriptive essay. If you think i need to add something else let me know. My Dear Mother She is only about five feet tall and weight no more...
October 3, 2011

English
ok one question. There you have awkward sentence, how could i use it but make it sound better to fit in the paragraph.
October 3, 2011

English
Can you please check for any errors. And corrent the errors for me. It is due tomorrow morning. Also, let me know if you think this is a descriptive essay. If you think i need to add something else let me know. My Dear Mother She is only about five feet tall and weight no more...
October 3, 2011

Statistics
sara is a healthy baby who was exclusively breast-fed for her first 12 months. what is more likely a description of her weights (at 3, 6, 9, and 12 months of age) as percentiles.
September 30, 2011

ap government
what are two ways that amendments to the constitution can be proposed?
September 29, 2011

physics
Any object that moves through the air (or space) under the influence of gravity is...?
September 22, 2011

physics
a cannonball is fired with initial speed v0 at an angle 30 degrees above the horizontal from a height of 40m above the ground. the projetile strikes the ground with a speed of 1.2v0. find v0.
September 22, 2011

physics
A cat is being chased by a dog. Both are running in a straight line at constant speeds. The cat has a head start of 3.3 m. The dog is running with a speed of 9.0 m/s and catches the cat after 6.7 s. How fast did the cat run? I see that the velocity and time are given, so does ...
September 16, 2011

physics
thank you very much
September 16, 2011

physics
A cannon is fired horizontally from a platform (see figure). The platform rests on a flat, icy, frictionless surface. Just after the shell is fired and while it is moving through the barrel of the gun, the shell (mass 3.0 kg) has an acceleration of +2450 m/s2. At the same time...
September 16, 2011

IRSC
the sum of the lengths of any two sides of a triangle must be greater than the third side. If a triangle has one side that 17 inches and a second side that is 1 inch less than twice the thrid side, what are the possible lengths for the second and third side.
September 11, 2011

algebra 2 review
0.2(X+3)-4(2x-3)=0.9
September 6, 2011

medical billing
Define and discuss the relationship between patient registration, the hospital chargemaster, coding systems and reimbursement.
August 23, 2011

Fitness
1. Your heart functions in your body as a/an A. filter for impurities. B. organ for absorbing vitamins and minerals. C. muscle that helps to pump oxygen around the body. D. series of joints responsible for endurance. 2. If you’re aerobically fit, you can A. quit your ...
August 21, 2011

Pre Cal/Logarithism
given that f(x)=11^x, find x when f(x)=7 a) x=Ln(7/11) b) x=Ln7/Ln11 c) x= 7/11 d) x= ll sub 7 11
July 24, 2011

Pre Cal
simplify the quotient: [(x+1)^3(4x-9)-(16x+9)(x+1)^2]/[(x-6)(x+1)^3]
July 24, 2011

Pre Cal/ domain
Domain of a) x^20 b) 1/(x-3) c)1/(4x^2-21x-18) d) sqrt(4x^2-21x-18) e) 1/ sqrt(4x^2-21x-18)
July 24, 2011

pre cal 2
tanx(cotx/cosx)=secx tanx(1/tanx)(1/cosx)=secx cross out tanx with (1/tanx) and your left with (1/cosx) which is secx.
July 24, 2011

Pre Cal
Oops. sorry i was distracted while writing and forgot to put the negitive.
July 24, 2011

Pre Cal
and x<3/4 or x>6 is the answer?
July 24, 2011

Pre Cal
isn't it the same as d, because the domain is looked at in the demoninatior?
July 24, 2011

Pre Cal
find the domains of the following functions: a) f(x)=x^20 b) g(x)=1/(x-3) c) h(x)=1/(4x^2=21x-18) d) k(x)=sqrt (4x^2-21x-18) e) p(x)=1/sqrt(4x^2-21x-18)
July 24, 2011

Pre Cal
a radio actice substance decays so that half of the substance decays every 2 minutes. if 100 g of the substance are present initially, how many grams will be present after 4 minutes and 8 minutes respectively?
July 24, 2011

Precal
a 6' person is standing x feet away form a 10' lamppost. what is the distance d from the base of the lamppost to the end of the person's shadow, expressed as a function of x.
July 24, 2011

Pre Cal
which of the expressions are identical? a) cos^2x b)(cosx)^2 c) cos (x^2) d) (sinx)^-1 E) sin^-1 x f) sin (x^-1) g) 1/ sin x
July 24, 2011

Pre Cal
simplify the expression 2sin^2 t + cos^2 t-2
July 24, 2011

Pre cal
a sinusoidal function has a local maximum at (0,2) and the next minimum at (Pi/4, -2). a correct equation for the function is
July 24, 2011

statistics
calculate the probability that a randomly selected student is taller than 5 feet5 inches in height. there are 31 students out of the 57 students who are 5 feet 5 inches in height. I just want to know how to set this problem up.
July 10, 2011

statistics
calculate the probability that a randomly selected student is a female if they are at most 30 years of age, there are 27 females out of 57 students.
July 10, 2011

Math/116
. The function C(g) represents the cost C of filling up the gas tank with g gallons of regular gasoline. Given the equation a) What does the number 3.03 represent?
June 25, 2011

chemistry
Determine the mass of NaCl present needed to prepare 500mL of 4.0%m/v solution. Please show me how to set up problem
June 16, 2011

matt/116
b. For the first phase of the project, imagine you want to cover the backyard with decorative rock and plant some trees. You need 30 tons of rock to cover the area. If each ton costs $60 and each tree is $84, what is the maximum number of trees you can buy with a budget of $2,...
June 12, 2011

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