Tuesday
October 21, 2014

Posts by Paula


Total # Posts: 274

algebra 1
princess leia is a very good math student. Her average math grade was a 95 on her 15 tests. If Darth Mangham decides to drop her lowest grade, write an expression to determine her new test average.
October 3, 2014

public speaking
When preparing an outline for a speech which of the below is NOT a part of the speech outline
September 28, 2014

public speaking
Medium that carries message signals from senders to receivers of communication is
September 28, 2014

Chemistry
What mass of ammonium nitrate is require to produce 145L of N2O at 2850 torr and 42 degree celcius
September 28, 2014

Algebra
Solve 9 - c <2 or -3c > 15 My answer is 7 or -5
September 22, 2014

Algebra
Solve 5<x-2<11 My answer is 7<x<13
September 21, 2014

Algebra
Choose them compound inequality that represents all real numbers that are less then -3 or greater than or equal to 5.
September 17, 2014

Algebra
U = 1,2,3,4,5,6,7,8,9,10 Q=3,6,9 What is Q prime? My answer is 1,2,4,5,7,8,10
September 16, 2014

Algebra
Thank you
September 16, 2014

Algebra
Sis the set of prime numbers that are less than 15. My answer is 2,3,5,7,11, and 13
September 16, 2014

Algebra
What inequality represents the verbal expression all real numbers less then 69? My answer is x<69
September 14, 2014

physics
Scientists want to place a 3300 kg satellite in orbit around Mars. They plan to have the satellite orbit a distance equal to 2.2 times the radius of Mars above the surface of the planet. Here is some information that will help solve this problem: mmars = 6.4191 x 1023 kg rmars...
September 13, 2014

Algebra
Thank you
September 13, 2014

Algebra
solve and show steps 6=x+2/3
September 13, 2014

Algebra
3(x-7)-x= 2x-21 Does this equation have infinitely many solutions My answer is yes.
September 13, 2014

Algebra
4y+8=6y+3 Is the expression true,false,or open? My answer is true = 5/2
September 13, 2014

Music
What is the vertical line at the end of a measure called?
September 11, 2014

Music
if you add up the durations from left to right on any level of a note tree you end up with a what?
September 11, 2014

Math
I don no andedte
September 9, 2014

Math
In above triangular prism,ab=3cm,ac=4cm,bc=5cm and cd12 cm,show that triangle ABC is a right-angled triangle
September 6, 2014

3D Modling
What are the preset views in Blender Software?
August 31, 2014

Physics
David, who is 65 kg, is driving his car at a speed of 25 m/s. He sees a dog crossing the road and so he steps on the brake to avoid hitting it. His seatbelt brings his body to a stop in 0.4 s. What magnitude of force does the seatbelt exert on him?
August 25, 2014

Physics
02. Comic-strip hero Superman meets an asteroid in outer space and hurls it at 800 m/s, as fast as a bullet. The asteroid is a thousand times more massive than Superman, yet in the comic strip, he remains stationary after releasing the asteroid. Say, his mass is 107 kg, what ...
August 25, 2014

math
compare write >or< for 2,854,376 to 2,845,763
August 21, 2014

finance
A quaint but well established cafe shoppe in the new hot cafe wants to build a new cafe for increased capicity it expect sales are $800,000.00 for the first 5 years, direct cost including labor and material 50% for new cafe will be totaled at $750,000.00 which will depreciate ...
August 17, 2014

SAT math
A family of 2 parents and 4 children is eating lunch at a rectangular table with 2 chairs on each side and one chair on each end. In how many ways can they be arranged if the two parents sit in the two end chairs? a. 12 b. 30 c. 36 d. 48 e. 720
April 5, 2014

Algebra
first set up a regular proportion: 5a/x = 20 ohms/ 25 ohms Because the problem says the current varies inversely you would flip only one side of the proportion: 5A/xA = 25 ohms/ 20 ohms cross multiply: 100 = 25x ohms Divide by 25: x = 4A
March 1, 2014

math
208 square root to nearest hundredth.
February 24, 2014

math
255 square root to the nearest hundredth.
February 24, 2014

math
130 square root to the nearest hundredth.
February 24, 2014

Math
X^ -3 = 216 How do you find x?
December 18, 2013

information technology
How does the organizational strategy drive the IT strategy?
November 29, 2013

SAT math
The slope of the line passing through p and q is -3/5. What is the value of x? P(1,4) Q(x,1)
November 2, 2013

Math
The slope of the line passing through p and q is -3/5. What is the value of x? P(1,4) Q(x,1) I got 6 but Im not sure
November 2, 2013

SAT MATH
if x^2 - y^2 = 77 and x + y=11 what is the value of x?
October 12, 2013

Math
if 5x + 7y = 18 and 2x - 4y = 6, what is the value of 7x + 3y? a. 7 b. 12 c. 19 d. 24 e. 31
October 5, 2013

math
if the sum of 7 integers is even, at most how many of these integers could be odd? a. 3 b. 4 c. 5 d. 6 e. 7
October 5, 2013

Earth Science
thanks!
September 29, 2013

Earth Science
A contour (topographic) map indicates that a stream is flowing across a landscape. If the stream has a constant volume, where on the map would the stream most likely have the highest velocity? a. As the stream moves across several closely spaced contour lines b. as the stream ...
September 29, 2013

Math
if the line containing the points (a,3) and (b,2) has a slope of 1/7, then a-b=
September 14, 2013

science
2 students were testing the amount of fertilizer that would best promote the growth of strawberries in a garden. What is an unavoidable error they can make during this process?
August 29, 2013

Biology
. 2 students were testing the amount of fertilizer that would best promote the growth of strawberries in a garden.List an unavoidable source of experimental error
August 22, 2013

biology
identify and describe how organism could respond to an external stimulus
August 14, 2013

Trig
Given that csc θ = -4 and tan θ > 0, find the exact value of a. x b. sin θ c. cos θ d. r e. sec θ f. cot θ
August 7, 2013

Trig
Given that tan θ = - (√3/8) and θ is in QII, find the exact value of a. r = b. csc θ c. cos θ d. cot θ
August 7, 2013

Trig
Given that cos θ = 5/13 and θ is in QIV, find the exact value of a. y b. sin θ c. sec θ d. tan θ
August 7, 2013

Math
thanks
August 5, 2013

Math
At Uriah's coffee shop, the amount of ground coffee beans left in stock on a given days a function of the amount of coffee sold that day. If "c" is the number of cups of coffee sold, and "z(c)" is the number of ounces of ground coffee left in stock, ...
August 5, 2013

SAT math
In the figure shown above (its a right triangle), points G, H, and I in the xy-plane have coordinates of (0,2), (2,8) and (8,n), respectively if GH=HI what is the value of n?
August 5, 2013

Algebra
True or False and please explain so that I can understand. 1. The rationalized form of 125 over the square root of 14 involves no radicals. 2. The radical square root of 4 cannot be used to rationalize the denominator of any radical number.
August 5, 2013

POL 201 American National Government
under the budget reform act the Presidency may defer spending appropriated funds if congress fails to act within 45 days of being notified about the deferment (b) may never dfer spending appriopriated funds (c) spend more that was allocated (d) does not need to request ...
July 28, 2013

Algebra
True or False. The fifth root of a positive integer is sometimes irrational. Please give an example or a counterexample so that I can understand it fully.
July 26, 2013

Math
True or False. The value of the square root of 16 is greater than the cube root of 29.
July 21, 2013

Algebra
True or False. 1. If the radicand is a multiple of a perfect square number, then the radical is not in its simplest form. 2. The value of the cube root of -1/8 is not a real number because the radical is negative. 3. The fifth root of a negative number is not a real number.
July 19, 2013

chemistry
When 30.0g of aluminum reacts with HCl, how many grams of aluminum chloride are formed? Al + HCl --> AlCl3 + H2
July 15, 2013

chem
Calculate the mass in grams of carbon needed to produce 160 g of CO2 in burning: C + O2 --> CO2
July 15, 2013

Math
Are these true or false? 1. If s is negative, then the square root of s^2 is -s. 2. If r is positive, then the square root of r^2 is -r. 3. If q is negative, then the square root of q^2 is q. 4. If p is positive, then the square root of P^2 = p. If possible, kindly give me ...
July 15, 2013

Lincoln College Of New En
A survey by Men’s Health magazine stated that 14% of men said they used exercise to reduce stress. Use a = 0.10. a random sample of 100 men was selected and 10 said that they used exercise to relieve stress. Use the P –value method to test the claim. Could the ...
April 26, 2013

Lincoln College Of New En
it has been found that 85.6% of all enrolled college and university students in the U.S. are undergraduates. A random sample of 500 enrolled college students in a particular state revealed that 420 of them were undergraduates. Is there sufficient evidence to conclude that the ...
April 26, 2013

Lincoln College Of New En
The percentage of physicians who are women is 27.9% in a survey of physicians employed by a large university health system, 45 of 120 randomly selected physicians were women. Is there sufficient evidence at the 0.05 level of significance to conclude that the proportion of ...
April 26, 2013

Lincoln College Of New En
the Old Farmer’s Almanac stated that the average consumption of water per person per day was 123 gallons. To test the hypothesis that this figure may no longer be true, a researcher randomly selected 16 people and found that they used on average 119 gallons per day and s...
April 26, 2013

Lincoln College Of New En
the average 1-ounce chocolate chip cookie contains 110 calories. A random sample of 15 different brands of 1-ounce chocolate chip cookies results in the following calorie amounts, at the a = 0.01 level, is there sufficient evidence that the average calories contents is greater...
April 26, 2013

math
Find the distance around the track if x=20 feet and y=25 feet
April 21, 2013

STATISTICS
the percentage rates of home ownership for 8 randomly selected states are listed below. Estimate the population variance and standard deviation for the percentage rate of home ownership with 99% confidence. 66.0 75.8 70.9 73.9 63.4 68.5 73.3 65.9
April 19, 2013

STATISTICS
A random sample of stock prices per share (in dollars) is shown. Find the 90% confidence interval for the variance and standard deviation for the prices. Assume the variable is normally distributed.
April 19, 2013

STATISTICS
the percentage rates of home ownership for 8 randomdomly selected states are listed below. Estimate the population variance and standard deviation for the percentage rate of home ownership with 99% confidence. 66.0 75.8 70.9 73.9 63.4 68.5 73.3 65.9
April 17, 2013

Lincoln College Of New En
26 Gasoline Mileage for Autos and Trucks – Of the top 10 cars and trucks based on gas mileage, 4 are Hondas, 3 are Toyotas, and 3 are Volkswagens. Choose one at random. Find the probability that it is Japanese, Japanses or German or not foreigh.
April 6, 2013

chemistry
draw particle diagrams that account for the fact that 2 volumes of nitric oxide gas react with 1 volume of oxygen gas to form 2 volumes of product with no leftover gas
April 5, 2013

Lincoln College Of New En
How man 4 letter code words can be made using the letters in the word pencil if repetitions are permitted?
April 4, 2013

Public Speaking
When preparing an outline for a speech,which of the speech outline?
March 28, 2013

statistics
a pizza shop owner wishes to find the 95% confidence interval of the true mean cost of a large plain pizza. how large should the sample be if she wishes to be accurate to within $0.15? a previous study showed that the standard deviation of the price was $0.26
March 17, 2013

Geometry
Assuming that the circumference of each circle passes through the centers of the other two, and that the radius of each circle is 1, what is the total combined area?
March 14, 2013

gepmetry
given coordiantes for one endpoint and midpoint find the other endpoint? endpoint is (-3,3/7) midpoint is (-2,-11/7)
March 12, 2013

chemistry
a 23.8 g sample of unknown metal heated at 100 degrees c is placed in 50.0 mL of water at 24 degrees c resulting in 8.5 c temperature increase. What is the specific heat of the metal
March 12, 2013

English
no
March 11, 2013

English
I need to come up with a new character for Disneyland for my english homework. Does anyone have any good ideas
March 11, 2013

Chemistry
Yes, I couldn't find it, sorry! Thankssss!
March 10, 2013

Chemistry
Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH, and the concentrations of all species in a 0.300 M phosphoric acid solution. kPa1: 2.16 kPa2: 7.21 kPa3:12.32 [H3PO4] = ? [H2PO4-] = ? [HPO42...
March 10, 2013

Chemistry
In a 1.0× 10–4 M solution of HClO(aq), identify the relative molar amounts of these species. (most to least) H2O HClO H3O OH- OCl-
March 9, 2013

Chemistry
Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH, and the concentrations of all species in a 0.300 M phosphoric acid solution. pKa1: 2.16 pKa2: 7.21 pKa3: 12.32 Hint: Convert the pKa values to Ka ...
March 9, 2013

algebra
A rock is thrown upward with a velocity of 15 meters per second from the top of a 26 meter high cliff ad i misses the cliff on the way back down. when will the rock be 5 meters from the water below?
February 15, 2013

Physics 212
Three equal point charges, each with charge 1.50\mu C , are placed at the vertices of an equilateral triangle whose sides are of length 0.300m . What is the electric potential energy U of the system? (Take as zero the potential energy of the three charges when they are ...
February 14, 2013

Social studies
how was the metis'list of rights different from the charter rights and freedom?
February 8, 2013

science
water in gas form is called
January 8, 2013

math
danielle plays softball and basketball. however because she like basketball more, she spends 3 times as long playing basketball than she does playing softball. if she spends 18 hours a week playing these sports, how much time does she devote tp playing basketball? a)13 hours b...
December 31, 2012

chemistry
What is the number of water molecules that will form from 30 g of NO
December 22, 2012

Physics 111-1
A wheel, starting from rest, has a constant angular acceleration of 1.8 rad/s2. In a 3.7-s interval, it turns through an angle of 52 rad. How long has the wheel been in motion at the start of this 3.7-s interval?
November 18, 2012

Brenau University
To: From: Date: Subject: Observation Methodology: A. Description of internal control: (What did you observe?) B. Objective of internal control: (Why was the control implemented? There may be more than one reason.) C. Tie to accounting records: (What was impact on accounting ...
November 17, 2012

intergrated science
Explain why ionic compounds are formed when a metal from the left side of the periodic table reacts with a nonmetal from the right side. Give two examples of such compounds
November 17, 2012

Psychology
While the blood flow that is used by the brain is redirected to the body, the brain does not get the necessary oxygen that it needs to think. Explain how this physiological process affects higher order thinking. Remember that the prefrontal lobe is most affected by the lack of...
November 5, 2012

Maths
I got the last question so please dont worry.. These are the ones I get confused with. 7y +21 x - 15 = 4y- 12 + 13 I need to see the numberical working out asap if someone would be so kind .. thanks P
October 14, 2012

Maths
I was to work out what y equalled. But I have it now.. thank you so much Reiny.. I have posted a new question..
October 14, 2012

Maths
7y = 49w - 35 I am not sure how the working out goes
October 14, 2012

Living Environment
How one type of atom (carbon)can be the basis of so many types of biomolecules?
October 8, 2012

Reading ASAP
1. IV 2. iv 3. DV 4. DV 5. IV
October 8, 2012

math
Explain why there is no number that can replace n to make the equation /n/ = -3 true.
October 7, 2012

Physics
An elevator is moving at 1.1 m/s as it approaches its destination floor from below. When the elevator is a distance h from its destination, it accelerates with a = −0.81 m/s2, where the negative sign indicates a downward vertical direction.
September 21, 2012

math
A year on Mars is 686 Earth Days. (1) Whicch is longer, a year on Mars or a year on Earth. (2) By how many weeks is it longer? Please explain how you got the answer. My answer was 82 1/2 weeks longers
September 4, 2012

Chemistry
I got the first two right but I cant figure out ph=14
May 9, 2012

Biology
I estimated a possum population to be 260. It was later found that the possums rather enjoyed being trapped because of the tasty food used as bait. Does this mean the population estimate may be too high or too low?
March 29, 2012

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