Tuesday
December 6, 2016

Posts by lisa

Total # Posts: 3,392

math-8
suppose hector dilates the rectangle shown below with the center of dilation at 0,0 and a scale factor of 2 and then translates the figure 1 unit to the left. what will be the coordinates the vertices of the similar figure that results, One point on figure is -3,2
November 20, 2016

Math
what is 6 1/7 - 1 5/21
November 19, 2016

history
Judaism Christianity Islam Which religion belongs to each of the statements below: Using the three statements below, state the religion that would make that statement true. Each religion will only be used once. In 2-3 sentences, use information from the lesson to support why ...
November 1, 2016

physics
A ham sandwich consists of one slice of ham (9 grams) and two slices of bread (25 grams each). You have 1 kg of ham and 1.2 kg of bread. You make as many sandwiches as you can. How many sandwiches did you make? 1) How many sandwiches did you makd? 2) What is the mass of the ...
October 29, 2016

algebra
basic cellphone plan cost $20 per month for 60 calling minutes. Additional time costs .40 per minute. The formula gives the monthly cost for this plan C, for x calling minutes, where x > 60. How many calling minutes are possible for a monthly cost of at least $28 and at ...
October 26, 2016

algebra
basic cellphone plan cost $20 per month for 60 calling minutes. Additional time costs .40 per minute. The formula gives the monthly cost for this plan C, for x calling minutes, where x > 60. How many calling minutes are possible for a monthly cost of at least $28 and at ...
October 26, 2016

Economics
why are there unemployment when there is recession?
October 11, 2016

MGT450
Emergent strategies affect all planned strategies. true or false?
October 9, 2016

precalc
Identify the center, intercepts, and domain, and range of the equation x^2/4+y^2/9=1
October 7, 2016

Math
can someone please help quick Choose the correct simplification of the expression (3x)4 can you explain how you got your answer
October 5, 2016

precalc
Write an equation of the hyperbola given that the center is at (2, -3), the vertices are at (2, 3) and (2, - 9), and the foci are at (2, ± 2√10).
October 5, 2016

precalc
Use the equation 〖(y+2)〗^2/4-((〖x+3)〗^2)/49=1 to find the following: a. center: b. vertices: c. foci: d. graph:
October 5, 2016

adv algebra
When a number is divided by 5 and then 3 is subtracted, the answer is the same as when the number is divided by 4 and then 2 is subtracted. Is it 0? How do I show?
September 27, 2016

Math
Math question: My plane arrived in Chicago 45 minutes later from Detroit. How fast was my plane which traveled at about 20000 altitude?
September 23, 2016

chem
A 250 beaker has graduations every 25 mL. With what accuracy can you estimate the volume of liquid in the beaker?
September 20, 2016

algebra
thank you Steve for helping me. I figured it out. 2x-8=y is the rule
September 20, 2016

algebra
I need to write a rule for each pair x y 4 0 5 2 6 4
September 20, 2016

algebra
I need to write a full for the function. x = 4,5,6,7 y = 0,2,4,6 y=4*0
September 20, 2016

Chemistry
You have to work with 240 mL of a liquid. You are provided with 250 mL, 400 mL and 800 mL beakers. Which would be the best size of beaker to use? Which would be the worst size? Explain your reasoning. A 250 beaker has graduations every 25 mL. With what accuracy can you ...
September 20, 2016

physics
What is the acceleration of a 10-N freely falling object with no air resistance?
September 18, 2016

algebriac expression
Stephanie has d dollars to invest and splits the money between two accounts. If she invests $ 3100 in one​ account, write an algebraic expression in terms of d for the amount she invests in the second account.
August 31, 2016

Computers
Brian would like to automatically check the spelling in a presentation. To do this, he should select which tab?
August 21, 2016

Science
A helium tank has a volume of 8.0 L. It contains enough helium to fill 23 circular balloons with a radius of 15 cm at a temperature of 25.0 C (room temperature). Assume that the pressure inside the balloons is 2.0 atm. What volume would all the gas in the tank occupy at 2.0 ...
August 19, 2016

math
in the middle of a page draw a small oval oriented vertically connected to the bottom of the oval draw a small rectangle oriented vertically what does this resemble
June 28, 2016

Basic Accounting
Pay $3000 toward lease agreement for office. The agreement is for 1year. The rent is 1,500 per month, last months rent was required at time of lease agreement. Lease period is effective July 1st 2014 through jun 30th 2015. I think it's like this: Rent expense 1,500.00 ...
June 27, 2016

Basic Accounting
Pay $3000 toward lease agreement for office. The agreement is for 1year. The rent is 1,500 per month, last months rent was required at time of lease agreement. Lease period is effective July 1st 2014 through jun 30th 2015. I think it's like this: Rent expense 1,500.00 ...
June 27, 2016

Biostatics
Walleye is a common game fish. Adult walleye have a length with a mean of 48 cm and a standard deviation of 3 cm and the distribution of lengths is approximately Normal. What fraction of walleye are shorter than 45 cm in length?
June 8, 2016

Calc-Math
Evaluate the limit using l'hospitals rule. lim->0 (3^x-6^x)/x. Do not know where to even begin on this one... please help.
June 2, 2016

statistics
Consider the data below: 33.1068240, -6.3331469, 22.2903011, -6.9142991, -21.7899524, -12.1741625, 29.2973275, -34.2364631, -4.4113930, -25.7845033, -12.0375226, 17.9397860, -6.2030667, 0.3504070 , -19.4854146, -10.5979710, -27.1274107, 20.4247578, 17.0975034, -6.8416016, 0....
May 19, 2016

statistics
Z = 1.5. The mean and variance of the corresponding X are 1.3 and 5.6. Compute X:
May 19, 2016

statistics
Consider the data from an unknown distribution: 40.68, 32.15, 36.91, 29.00, 35.58, 41.55, 33.83, 29.07, 41.00, 37.68, 41.23, 37.54, 40.33, 36.82, 35.18, 31.67, 38.55, 38.34, 35.86, 40.45, 37.28, 36.65, 32.12, 32.96, 37.65, 39.44, 46.18, 24.21, 42.35, 33.05, 30.90, 42.12, 34.38...
May 19, 2016

statistics
A sample of blood is assayed for its alcohol content (BAC). The following BAC values are determined from six trials: 0.081%, 0.078%, 0.079%, 0.076%, 0.082%, 0.077% Assume the data follows a Gaussian distribution. For 84% of the possible assay data population determine with 93...
May 19, 2016

statistics
Z = 1.5. The mean and variance of the corresponding X are 1.3 and 5.6. Compute X:
May 19, 2016

science
work=force x distance rearrange and you get: force=work/distance
May 19, 2016

statistics
Z is a standard normal random variate. For Pr(c < Z) = 0.278, what is the value for c?
May 18, 2016

statistics
4.6 is a N(3.5, 1.2) random variable. What is its standard value, Z?
May 18, 2016

Math
Pouring gravel in a cone shaped pile 6 feet high Suri a diameter at the base of 8.2 feet how much gravel in poured??
May 13, 2016

Maths lit, life science, economics, geography
hey, I want to do medicine and civil engineering is this subjects are right? If not please tell me which career i can go to with this subjects after my matric? Thanks
May 10, 2016

Algebra
A scuba diver is positioned at-30 feet. How many feet will she have to rise to change her position to -12 feet?
May 8, 2016

language arts
from the giver please check my answers 1. At the beginning of the novel, Jonas describes himself as apprehensive. Why is he apprehensive? A. An unknown plane is flying overhead. B. The Ceremony of Twelve is coming soon.**** C. A loudspeaker orders everyone inside. D. A ...
May 6, 2016

math
a cyclindrical water storage tank contains 2187 cubic units of water. All the water is pumped equally into 3 congruent cubic coolers. What is the minimum length that each coller need to be?
May 5, 2016

math
ok thank you
May 5, 2016

math
write each expression using a single exponent please help 1.a^5/a^3 2.x^9/x^5 3.c^7/c^2 4. (-1)^5/(-1)^4
May 5, 2016

language arts
please check my answers 1. At the beginning of the novel, Jonas describes himself as apprehensive. Why is he apprehensive? A. An unknown plane is flying overhead. B. The Ceremony of Twelve is coming soon.**** C. A loudspeaker orders everyone inside. D. A newchild in the ...
May 5, 2016

language arts
The giver Choose the statement that best explains the meaning of the following passage: But now, with twelve coming so soon, and the volunteer hours ending, it didn't seem to meter. The freedom to choose where to spend those hours always seemed a wonderful luxury to Jonas...
May 5, 2016

languge arts
the giver which words can be used to describe jonas father very caring and sensitive**** highly intelligent and driven usually loyal and obedient
May 5, 2016

language arts
thank you guys
May 5, 2016

language arts
I mean a
May 5, 2016

language arts
2.which set of words best define the word remorse? the young child refused to show any remorse for his actions, even thought they had earned him a severe punishment. regret or shame envy or jealousy happiness or joy pride or arrogance ***
May 5, 2016

Triangles
Try to draw a triangle with side lengths of 3 Cm and 6 cm and an included angle of 120 degrees. Do given segments and angles produce a unique triangle, more than one triangle,or no triangle.
May 5, 2016

Maths
Now suppose that the weight attached to the spring is pulled down a further 5cm from its equilibrium positions and released from rest. Show that newtons second law leads to the dynamic equation (in SI units) d^2z/dt^2 + 36z - g = 0 where z(t) measures the extension of the ...
May 3, 2016

language arts
you don't know the answers?
May 2, 2016

language arts
please help
May 2, 2016

language arts
The passage is The Miracle Worker by William Gibson. Kate. Miss Annie. Annie. No. Kate (a pause). It’s a very special day. Annie (grimly). It will be, when I give in to that. [She tries to disengage HELEN’S hand; KATE lays hers on ANNIE’S.] Kate. Please. I’...
May 2, 2016

language arts
What does Annie's dialogue in the passage reveal about her character? a.she is proud and indifferent b.she is sarcastic and cynical c.she is timid and nervous d.she is confident and persistent from the miracle worker by William Gibson act 3 please help
May 2, 2016

English
does someone know the answers
May 2, 2016

maths
A. If u have 19 wheels then find the number of bicyćles and tricycles that cañ made. B. If u have 23 wheels then find the number of bicycles and tricycles can be made ..
May 2, 2016

language arts
from the miracle worker by William Gibson act 3
May 1, 2016

language arts
What does Annie's dialogue in the passage reveal about her character? a.she is proud and indifferent b.she is sarcastic and cynical c.she is timid and nervous d.she is confident and persistent from the miracle worker by William Gibson act 3 please help
May 1, 2016

math
Show calculations to support your answer V=ðr^2h cylinder h=12.4cm r=6.2cm show work please
April 30, 2016

math
ok thank you
April 30, 2016

math
can you show me how you got that
April 30, 2016

math
thank you
April 30, 2016

math
Determine the volume of perfume that would fit into each container. Show calculations to support your answer cylinder h=12.4cm r=6.2cm please help
April 30, 2016

math
thank you
April 24, 2016

math
mexico?
April 24, 2016

math
spain?
April 24, 2016

math
the table below shows the population of four countries for the year 2006 expressed in scientific notation. Population in 2006 country population Lebanon 3.90x10^6 Mexico 1.08x10^8 Peru 2.84x10^7 Spain 45.5x10^6 of the countries listed, which one had the largest population in ...
April 24, 2016

math
thank you
April 23, 2016

math
please someone help
April 23, 2016

math
which is equivalent to the expression shown (3.3x10^3)(1.8x10^4)? 5.94x10^7 5.94x10^8 594x10^6 59.4x10^5 please help
April 23, 2016

math
2,500
April 23, 2016

math
an astronomer estimated that a canyon on another planet was 2.5x10^3 kilometers long which is equivalent 25,000km 2,500km 0.025km 0.0025km please help
April 23, 2016

math
thank you
April 23, 2016

math
which equation is true? square root 8^2=4 square root 6^2=24 square root 5^2=5 square root 3^2=81 please help
April 23, 2016

math
thank you!!!
April 23, 2016

math
2500
April 23, 2016

math
which is equivalent to the expression shown? 10^2 • 5^2 2,500 250**** 500 200 please help
April 23, 2016

Englidh
Like everyone else, I want to be well liked, but I will not (grovel,fluctuate)before public opinion when I am firmly convinced that it is wrong.
April 20, 2016

Maths
Is the sine, cosine and tangent using in right-angled triangles only?
April 20, 2016

Math
James wants to reserve a room at the party hall for his birthday. The deposit is $175 and for 6 hours it cost $625. What percent of the cost of the room is the deposit? Can someone show me how to work this problem out?
April 12, 2016

Math
James wants to reserve a room at the party hall for his birthday. The deposit is $175 and for 6 hours it cost $625. What percent of the cost of the room is the deposit?
April 12, 2016

Biology
Why do the nuclei of the human white blood cells turn blue in a prepared blood slide?
April 12, 2016

Chemistry
150 moles
April 10, 2016

Chemistry
In the equation 2 NaN3----2 Na + 3 N2// how much N2 would be produced if 100 grams of NaN2 completely reacted at STP?
April 10, 2016

Chemistry
Make NaCl from NaHCO3 and HCl-Starting with 3.0 grams of NaHCO3-what would be a source of error on yield of purity of NaCl and what modifications could be made?
April 10, 2016

Algebra
Find the hydrogen ion concentration of a saturated solution of calcium hydroxide whose pH is 13.3. (If you enter your answer in scientific notation, round the decimal value to one decimal place. Use equivalent rounding if you do not enter your answer in scientific notation.)
March 30, 2016

math
show your work
March 30, 2016

accounting
martin and company purchased a fixed asset on 1/4/2010 for £250000.depreciation is o be provided at 10% annually according to the straight line method. the books are closed on 31wst march every year. prepare fixed asset account and depreciation account for the first ...
March 30, 2016

Chemistry
Which element has an ion that is smaller than an ion of calcium?
March 29, 2016

math
thx
March 24, 2016

math
what is .69 repeating in its simplest form? I need help
March 24, 2016

algebra
A ball is thrown straight up from a rooftop 9696 feet high. The formula below describes the​ ball's height above the​ ground, h, in​ feet, t seconds after it was thrown. The ball misses the rooftop on its way down. The graph of the formula is shown. ...
March 21, 2016

Algebra
The force needed to keep a car from skidding on a curve varies inversely as the radius of the curve and jointly as the weight of the car and the square of the car's speed.Suppose that 400 pounds of force keeps a 1600-pound car from skidding on a curve of radius 800ft at ...
March 11, 2016

math 1149
For the triangle shown, find the length AD. (Assume u = 19, v = 19, Úx = 25‹, and Úy = 25‹. Round your answer to two decimal places.)
March 10, 2016

history
Examples of Afro-Asian ethnicities ?
March 8, 2016

Math
Five times the larger of two numbers plus four times the smaller is 271. Three times the larger less twice the smaller is 57. find the numbers
February 29, 2016

biology
the amount of energy needed to start two reactants to form a product is?
February 28, 2016

Algerbra
Find three cosecutive odd intrgers such that when twice the smallest is added to five times the largest the result is -253
February 28, 2016

hist/175
Do you think that the Korean War was merely a civil war in which the United States supported one side, or should it be considered an international war in which the United States used the United Nations to further its anticommunist policies? Why?
February 27, 2016

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