# Posts by kathryn

Total # Posts: 169

math
4 dogs and 10 cats. Because 2+5=7, and 7x2=14, double the 2 and the 5 to get the answer. I hope this helps!

chemistry
The specific heat of copper metal is 0.385 J/ g- K. How many KJ of heat needed to raise the temperature of 1.1 kg block of copper from 27.5 C to 50 C?

art
Compare and contrast the use of geometric shapes in Pablo Picasso's "three musicians" and Edward Hopper's "house by the railroad". Thanks!

geography
What physical features are significant in the locations of the major cities of the Middle East? Thanks!

math
0.13

math
it would tack the rack 23 seconds to run away

Health
Thanks Ms. Sue

Health
3. No matter if you are underweight, overweight, or an appropriate weight, you still need exercise. TRUE *** FALSE 4. A person who is heavier than the standard for the person's height is OVERWEIGHT *** OBESE HEFTY EXTREMELY OBESE 7. Which of the following does not describe...

The acceleration is 9.8

math
A trainer for a professional football team keeps track of the amount of water players consume throughout practice. The trainer observes that the amount of water consumed is a linear function of the temperature on a given day. The trainer finds that when it is 90 degrees the ...

statistics
Wow!!! why are you working with the public being so rude. I didn't see the later response...I think you need to find a factory job where you don't haver to deal with people....more like machines....You have absolutly NO! people skills!!!! RUDE!RUDE!RUDE!!

statistics
A) Identify the question, population, and sample. b) Discuss any potential bias or lurking variables that may affect the results.? c) Write about the extent to which we can generalize the findings to all people who use cell phones. Stewart Fist reported the results of an ...

Statistics
I am totally lost on all of it.

Statistics
A) Identify the question, population, and sample. b) Discuss any potential bias or lurking variables that may affect the results.? c) Write about the extent to which we can generalize the findings to all people who use cell phones. Stewart Fist reported the results of an ...

statistics
A) Identify the question, population, and sample. b) Discuss any potential bias or lurking variables that may affect the results.? c) Write about the extent to which we can generalize the findings to all people who use cell phones. Stewart Fist reported the results of an ...

Statistics
use the stem-and leaf plot below to answer questions 11-13. Assume that 30/0=300 30/0 31/2 2 32/1 5 33/0 3 6 34/4 5 7 8 35/1 1 2 9 How many numbers are in the original data set? 6 16 22 9 What is the largest number in the data set? 9 22 35 359 If this data were put into a bar ...

Statistics
If a pie chart was created using the data from the table above, which selection of the chart would be the largest? the smallest? indicate the relative frequency amount as a decimal for both

Statistics
suppose 60 people are asked which method is best to avoid getting the flu. the results are shown in the table below. determine the percentage for each method and complete the table. round to the nearest whole number. Method Frequency % Flu shot 15 washing hands 36 taking ...

Stats
1.Number of people in attendance at a baseball game qualitative/ordinal qualitative/nominal quantitative/discrete quantitative/continuous 2. number of tracks on a CD qualitative/ordinal qualitative/nominal quantitative/discrete quantitative/continuous 3.eye color qualitative/...

Algebra
write the equation of the circle passes through the point (√5,0) and whose center is the origin

Math
identify the center and radius of the circle with the equation (x+5)^2+(y-2)^2=9 A. this equation represents a circle with center (5,-2) and a radius of 3 units B. This equation represents a circle with center (-5,2) and a radius of 3 units C. this equation represents a circle...

Math
identify the center and radius of the circle with the equation (x+5)^2+(y-2)^2=9 A. this equation represents a circle with center (5,-2) and a radius of 3 units B. This equation represents a circle with center (-5,2) and a radius of 3 units C. this equation represents a circle...

algebra
Which cosine function has maximum of -2, and a period of 2pi/3

Algebra
hahaha yes, yes i do its a problem for me(:

Algebra
the table shows the results of a survey of college students. find the probability that a student's first class of the day is a humanities class, given the student is female. First class of the day for college students male female humanities 70 80 science 50 80 other 60 70

math help
14x-3y+2z=100 -17x+8y+10z=11 -3x+13y+29z=81

Algebra 2
A beam rests against a wall, forming a 50 degree with the floor. Use the function y=9 sec 0 to find the length of the beam to the nearest tenth of a foot. choice: 14.0ft, 11.ft7, 5.8ft, 6.9ft

Math
dartboard is 16 inches and bulls eye is 6 inches

Math
Garrett throws a dart at a circular dart board. The dart board has a radius, and the bull's eye in the center of the dart board has a radius of 6 inches. What is the probability that a dart thrown at random within the dartboard will hit the bull's eye? Round your ...

Sorry did not mean to post this question again! Steve answered it for me earlier. Thank you Steve for you answer!

Dr. Gallo's waiting room has a total of 18 magazines, including 3 fashion magazines. There are 5 more cooking magazines than there are decorating magazines. How many decorating magazines are there? You can use cubes to act out the problem.

Dr. Gallo's waiting room has a total of 18 magazines, including 3 fashion magazines. There are 5 more cooking magazines than there are decorating magazines. How many decorating magazines are there? You can use cubes to act out the problem.

Statistics
You are a real estate agent and you are trying to predict home prices for your clients that want to list their house for sale. You have a very small city without much data. You will need to use the data that you have available for the past year on homes that have been sold. ...

Statistics
Calculate the residuals using the following info: number of people:12,14,15,18,20,16,14,13,18,19,20,22 and cost of drinks:24,30,36,38,65,44,36,30,39,76,80,85

Statistics
You are a real estate agent and you are trying to predict home prices for your clients that want to list their house for sale. You have a very small city without much data. You will need to use the data that you have available for the past year on homes that have been sold. ...

Statistics
Calculate a linear regression, the residuals, and the correlation between two variables using the following info: number of people:12,14,15,18,20,16,14,13,18,19,20,22 and cost of drinks:24,30,36,38,65,44,36,30,39,76,80,85

statistics
Estimate the tenure of someone that could have \$5.8(\$k) and 15 years of job satisfaction. Make sure to state your multiple regression equation in your example. What are some of things that you can estimate from the model? How effective is evaluating the R-squared of the model...

Physics
what force can cause the displacement of an object but does no work??

math
1. Ms.lynch has 21 coins in nickels and dimes. Their total value is \$1.65. How many of each coin does she have? 2. A vending machine that takes only dimes and quarters contains 30 coins, with a total value of \$4.20. How many of each coin are there?

math
the larger of 2 #s is 5 less than twice the smaller. their sum is 43. find the #s

math
The second of two numbers is 7 times the first. Their sum is 72. Find the numbers.

physics
A truck of mass 8,000kg is traveling along a level road at an initial speed of 25m/s. The driver then shifts into neutral so that the truck is coasting, and the truck gradually slows to a final speed of 13m/s.

squared= ^2

1. 2(x+3)squared-6x+5=0 Answer= 2xsquared+6x+23=0 2. 3xsquared-6x+5=-2(x+1)-10 Answer= 3xsquared-4x+17=0 How would I solve from this point?

math
if 30apples = \$47 then 1 apple = x cross mutilpy and you get 30x=\$47 divide each side by 30 x=1.56666666 rounded to \$1.57 per apple.

Writing
i wrote about my school's dances (7th grade dances). It was be in the yearbook.

Writing
What are some ideas for a title of an article on dances at school?

x+y=0 3x+y=-4 Sovle each system of equation by graphing. If got the answer (-3,3), but it's not there. Please explain!

Physics
Calculate the total heat content of 10 kg of ice at -23°C. (Hint: absolute zero is -273°C.) Be mindful of significant figure rules for both multiplication and addition.

Physicis
How much energy is needed to heat and melt 3.0 kg of copper initially at 83°C? Be mindful of significant figure rules for both multiplication and addition

Physics
A 6.00 Kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.360. Determine the kinetic frictional force that acts on the box when the elevator (a) is stationary (b) accelerating upward with an ...

Physics
If the 50.0 kg boy were in a spacecraft 5R from the center of the earth, what would his weight be? (Use the 50.0 kg boy for significant figures) i got 20N again not sure.. it dosnt tell me if i got them wrong or right online classes are horrible and very confusing

physics
If an object is dropped from a tall building and hits the ground 3.0 s. later, what is the magnitude of the object's displacement in 1.0 s.; in 2.0 s.? for 1.0s i got 9.8 for 2.0s i got 20. is this correct?

physics
If an object is dropped from a tall building and hits the ground 3.0 s later, what is the velocity of the object when it hits the ground? (Remember that the velocity is downward) i got -29m/s is this correct?

physics
If an object is thrown up at an initial velocity of 9.8 m/s, what would be the magnitude of the final velocity upon impact with the ground? im doing an online class and i don't have a book so if you could explain some of the question that would be great thanks so much

physics
If an object is thrown up at an initial velocity of 9.8 m/s, what would be the magnitude of the final velocity upon impact with the ground? im doing an online class and i don't have a book so if you could explain some of the question that would be great thanks so much

physics
If an object is dropped from a tall building and hits the ground 3.0 s later, how tall is the building?

chemistry
I have a worksheet that has a question on it the question states: How much iron can be recovered from 25.0 g of Fe2O3 and that is all i have i have just started in the middle of this class can i have an explanation of how to get to the answer please?

math
Write a number with 8 more in the tens place (The number is 498,763.14)

Math
Ok I have it! 40 divided by 8 = 5 x 6 = 30 Roses

Math

What is a silk case covering a moth larva.

Trig
Prove cos^2t+4cost+4/cost+2=2sect+1/sect

Trig
A ship leaves port with a bearing of S 40 W. After traveling 7 miles, the ship turns 90 degrees on a bearing of N 50 W for 11 miles. At that time, what is the bearing of the ship from port?

Trig
prove sin(α+β)sin(α-β)=cos^2β-cos^2α

chemistry
I realize this, but I don't understand how to get k1 and k2 in the first question or the second. Also it only gives one temperature in the first question so would t1 and t2 be the same?

chemistry
I have two questions that I really don't understand. The first one is: A reaction proceeds with delta H=-10kJ/mol. The energy of activation of the uncatalyzed reaction is 150kJ/mol, whereas it is 100kJ/mol for the uncatalyzed reaction. How many times faster is the ...

writing
Socrates' role in the discussion is to derive an accurate definition of justice by using counterexamples against Thrasymachus' multiple renditions. Thrasymachus makes it easy for Socrates to prove him wrong because he is too quick to offer his definitions of justice ...

writing
Throughout the discussion with Socrates, Thrasymachus jumps to conclusions about what the definition of justice really is and does not consider the implications that he is making. This makes it easy for Socrates to shed light on the flaws in Thrasymachus' definitions and ...

writing
also, that he doesn't consider what his definitions really mean before he says them otherwise socrates wouldn't be able to prove him wrong as quick

writing
my stance is that he gives his opinion too quick.

writing
Ok here is a new one. I tried to follow all five of the tips. On multiple occasions, Thrasymachus is too quick to offer his definitions of justice and does not consider the implications that they put on society but Socrates is present to shed light on the weaknesses in ...

writing
*philosophers, sorry for mistake

writing
I need help writing a thesis statement for my philosophy paper. The paper is about two philosopher's, Thrasymachus and Socrates. Essentially the paper is about the multiple definitions of justice that Thrasymachus throws out and how Socrates proves them wrong and points ...

french
I need help unscrambling these words 1) gnarer al snoaim 2) eifra al srieupoes 3)pparrere esl samune-luugese 4) sersap l' atreuprasi 5) hetacer eds tuirfs cess. please help...

AP Chem. 3
A 1.80 g sample of a large boimolecule was dissolved in 21.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule. For carbon tetrachloride, the boiling point constant is 5.03°C·...

Prob and Stats
If X is a random variable with distribution X~N(350,110) find (a)P(X<400) and b)P(250<X<400)

statistics
If a large number of people guess randomly on each of 100 items on a true-false test, the mean would be expected to be ì=___*, and ó=__*. • What % of the examinees would be expected to get a score of 65 or >?

spanish
Please translate these words into a sentence. bebur, manuel, debe, aqua

Physics
You ride your bicycle down a hill, maintaining a constant speed the entire time. 1. As you ride, does the gravitational potential energy of the Earth-bike-rider system increase, decrease, or stay the same? 2. Does the kinetic energy of you and your bike increase, decrease, or ...

physics
A backpack full of books weighing 58.0 rests on a table in a physics laboratory classroom. A spring with a force constant of 140 is attached to the backpack and pulled horizontally. If the backpack begins to slide when the spring ( = 140 ) stretches by 2.40 , what is the ...

physics
nvm. i got it. 84 was wrong... thanks for your help!

physics
plugging everything in do I get 84.15? That seems a little high...

physics
A car goes around a curve on a road that is banked at an angle of 30.5 . Even though the road is slick, the car will stay on the road without any friction between its tires and the road when its speed is 19.0 . What is the radius of the curve?

Chemistry
Which of the following compounds is a strong electrolyte? a. C6H12O6 b. C7H14O5 c. C4H8O2 d. NaC2H3O2 e. All of these --- I think it is D but I'm not sure. Also, how do you know if it is a strong or weak acid?

math
15trips

MATH
10*26=260

MATH

Math
paper = 10 point, 10 off for each day late. student missed 5 out of 10 and was 3 day late. what is the score?

English
By the house the boy and his dog were standing.

Chemistry
well, now working through it I get 5.4x10^14

Chemistry
Convert the value 8.1 x 10^15 ng/m3 to units of g/cm3. I am not sure how to do this kind of problem when the units are cubed. This is what I have so far. (8.1 x 10^15 ng/m3) x (1 g/ 1x10^9ng) x (1m/ 100cm) = 8.1 x 10^22

chemistry
Calcium Hydroxide

health
I copied this answer from answerbag. I hope it helps: There are so many ways to contract AIDS and HIV that its frightening when you think about it. Here are the most common: 1. Unprotected Sex - the #1 transmitter of AIDS and HIV, though that is being disputed currently. ...

Chemistry--Quick Question
Just clarifying but C would be an observation because you would be able to feel/observe the heat coming off of it as it reacts, right?

Chemistry--Quick Question
Okay, I take that back. I think the correct answer(s) would be A, C, and D. I don't think the answer is B because that is an observation and I don't think the answer is E because that is a theory.

Chemistry--Quick Question
Which of the following are LAWS according to the Scientific Method? It is possible for more than one answer. a. The volume of a gas is inversely proportional to its pressure. b. A solid has a mass of 100.0 grams and a volume of 11.1 mL. c. When a piece of magnesium burns in ...

chemistry
a magnet would pull the iron out of the sand and salt. Can you add water? If so you could add the sand and salt together with water. the salt would dissolve in water. You could use the filter to take the sand out of the saltwater/sand mix and then get the salt back by using ...

chemistry
density=mass/volume plug and chug your numbers to find out

Chemistry
That is correct. Electrons have a negative charge to them. Atoms typically have an equal number of protons, which are positive, to electrons. This makes the atom neutral. By losing an electron, and taking away a negative force, you weigh the atom on the positive side making it...

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