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Katie

Questions and answers by Katie, page 8

Questions (1,184)

The kinetic energy of a proton is half its internal energy. What is the proton's speed?Kinetic energy is (Yu - 1) (mp) (c)^2 =
1. 4 answers
2. 988 views
How would I write 2 inequalities that describe in basketball that 2 points = field goal and 1 point = free throw and I have
1. 1 answer
2. 413 views
A GPS satellite orbits at an altitude of 2.0 x 10^7 m and a speed of 3.9 x 10^3 m/s, Earth’s radius is 6.4 x 10^6 m, and a
1. 2 answers
2. 813 views
How many amino acids are there in protien
1. 3 answers
2. 560 views
Lipids:Not a polymer because _ __x's energy than carbs Saturated= Unsaturated= Nucleic Acids: RNA= DNA= Carbohydrates: Building
1. 1 answer
2. 695 views
if measure of angle SUT=3x+6 and measure of angle RUS=5x-4, find measure of angle SUT
1. 4 answers
2. 1,451 views
Bob and Bob Jr. stand at open doorways at opposite ends of an airplane hangar 25 m long. Anna owns a spaceship, 40 m long as it
1. 2 answers
2. 785 views
Bob and Bob Jr. stand at open doorways at opposite ends of an airplane hangar 25 m long. Anna owns a spaceship, 40 m long as it
1. 1 answer
2. 641 views
You want to make the following buffer: 5% glucose, 100 mM tris and 10 mM EDTA in a final voume of 300ml. Your stock solutions
1. 4 answers
2. 1,449 views
According to Anna, on Earth, Bob is on a spaceship moving at 0.8c towards Earth, and Carl, a little farther out, is on a
1. 2 answers
2. 854 views
solve using substitutiony=4x-8 y=2x+10
1. 5 answers
2. 953 views
On a 10.5 ounce bag of potato chips, the manufacturer states that the single serving is one ounce, which is equivalent to 150
1. 2 answers
2. 1,194 views
These are the only ones that I am having problems with. Please help..8.You are given the sample mean and the sample standard
1. 3 answers
2. 1,119 views
How do I make an acrostic that has to do with the word Wavelength?
1. 2 answers
2. 621 views
A plant falls from the windowsill of an apartment in a very tall building. If the floor of your apartment is 12.19 m above the
1. 1 answer
2. 540 views
What are key findings? I have to include this in a lab report. Thank you for any help
1. 4 answers
2. 322 views
The oxygen gas emitted from an aquatic plant during photosynthesis is collected over water at a temperature of 25 degrees
1. 4 answers
2. 679 views
The oxygen gas emitted from an aquatic plant during photosynthesis is collected over water at a temperature of 25 degrees
1. 3 answers
2. 2,371 views
How many grams of solute are present in 875 mL of 0.180 M KBr?
1. 1 answer
2. 442 views
A school dance has 228 students. There are 63 fewer girls than twice as many boys.How many boys and girls attended the dance?
1. 3 answers
2. 668 views
In a normal distribution with mu = 25 and sigma = 3, what number corresponds to z = -3?is it 16, 18, or 20
1. 1 answer
2. 394 views
Find the P-value for the indicated hypothesis test with the given standardized test statistics, z. Decide whether to reject H0
1. 2 answers
2. 1,030 views
Let 2^a = 5 and 2^b = 10. Using exponent rules, solve the equation in terms of a and b.10^x =(1/64)
1. 1 answer
2. 350 views
6^(2log(x)) = 8
1. 4 answers
2. 694 views
A 50.0 mL sample of 0.10 M pyridine, C5H5N, is titrated with 0.2 M HBr. Calculate the pH to one decimal place when the following
1. 2 answers
2. 1,044 views
For the function f(p) an input of 3 yields an output value of 6. What value of p would you use to have f(5p) = 6?
1. 3 answers
2. 801 views
K1 = 0.727K2 = 12.1 T1 = 2000 T2 = 3000 Solve for the standard enthalpy of formation. They gave me the formula ln(K2/K1) =
1. 1 answer
2. 367 views
For the function f(p) an input of 3 yields an output value of 6. What value of p would you use to have f(5p) = 6?
1. 1 answer
2. 378 views
How many mL of 12M HCl is needed to create 350mL of 0.125M HCl?
1. 3 answers
2. 316 views
Calculate the molar mass of a diprotic acid.It reaches the endpoint of the titration with NaOH at 28ml. The initial
1. 3 answers
2. 1,130 views
Calculate the molar mass of a diprotic acid.It reaches the endpoint of the titration with NaOH at 28ml. The initial
1. 1 answer
2. 434 views
190 students like the program135 students think the program is unnecessary 220 students plan on running for student government
1. 4 answers
2. 1,550 views
I'm writing a comparison paper on artworks and I'm just thinking either to write about two women painting (European/modern
1. 1 answer
2. 467 views
If a sample of HNO3 is found to contain 8.44 · 10-2 mol of N atoms how many moles of HNO3 molecules are present? Express your
1. 1 answer
2. 410 views
Use equal intervals to make a frequency table for the average number of movies per person. You do not need to show tally marks.C
1. 7 answers
2. 2,518 views
Use equal intervals to make a frequency table for the average number of movies per person. You do not need to show tally marks.C
1. 7 answers
2. 3,875 views
Let 2^a = 5 and 2^b = 3. Using exponent rules, solve the equation in terms of a and b.0.4^x = 27
1. 1 answer
2. 386 views
Simplify the expression if possible.log(100^4z)
1. 1 answer
2. 368 views
The velocity of an object t seconds after it started moving is 6). Find the total change in the object's position in the 6th
1. 1 answer
2. 352 views
The velocity of an object t seconds after it started moving is t(t-6). Find the total change in the object's position in the 6th
1. 1 answer
2. 391 views
Create two different situations: one in which you use combinations and one in which you use permutations. Include specific
1. 1 answer
2. 460 views
Answer from spreadsheetAnswer from hand calculation Problem #1: Find the total amount if you deposit $500 at a rate of 5% for
1. 1 answer
2. 396 views
find the area of the region described below.f(x)=-4-sq rt of x Find the area of the region bounded below by the graph of f(x)
1. 1 answer
2. 410 views
find the area of the region described below.f(x)= -e^((1/2)x) Find the area of the region bounded below by the graph of f(x) and
1. 1 answer
2. 349 views
Find the area of the shaded region.The area is shaded from 0,2 on the x-axis Given: y=0 and y= x^4-2x^3
1. 2 answers
2. 485 views
Sketch the graph and find the area of the region described below.f(x)= -3xe^((-x)^2) Find the area of the region bounded below
1. 3 answers
2. 777 views
wat chemical reactions are considered to be of importance to healthcare professionals? describe rational.
1. 1 answer
2. 367 views
Rena has to pay the first $100 of her medical expenses each year before she qualifies for her insurance company to begin paying.
1. 1 answer
2. 361 views
1. Find the total amout if you deposit $600 at a rate of 5% for 2 years compounded anually.2. Find the total amout if you
1. 1 answer
2. 299 views
Given that on average, an atom of gold weighs 3.27×10^−22grams, how muchdoes an Avagadro’s number of gold atoms weigh (take
1. 2 answers
2. 727 views
Find the area of the region.f(x) = x^3 g(x) = x^4 In the graph f is above g and they both intersect at (1,1)
1. 2 answers
2. 973 views
A bag contains 7 green marbles, 9 red marbles, 10 orange marbles, 5 brown marbles, and 10 blue marbles. You choose a marble,
1. 12 answers
2. 3,771 views
Using 4x^2 - 9y^2 = 36Find y by implicit differentiation and then solve the equation explicitly for y and differentiate to get
1. 1 answer
2. 489 views
Using 4x^2 - 9y^2 = 36Find y by implicit differentiation and then solve the equation explicitly for y and differentiate to get
1. 4 answers
2. 2,999 views
Consider the Balanced Chemical Equation2N2+6H20-->4NH3+3O2 How many moles would be needed to react fully with 0.225 moles of N2?
1. 2 answers
2. 911 views
function f(x)=x3x2−1 defined on the interval [−16,16]A. Find the vertical asymptotes of function f(x) B. Find where it is
1. 2 answers
2. 487 views
function f(x)=x3x2−1 defined on the interval [−16,16]A. Find the vertical asymptotes of function f(x) B. Find where it is
1. 1 answer
2. 417 views
Calculate the pH at the equivalence point in the titration of 50ml of 0.20 M methylamine (Kb=4.3*10^-4) with a 0.40 M HCL
1. 3 answers
2. 1,700 views
How do you find the equilibrium constant? ..steps?
1. 1 answer
2. 298 views
cr(s)--->Cr^3(aq)+3e- and Pb2+(aq)+2e---->Pb(s) write a balanced equationPlease help thanks
1. 1 answer
2. 409 views
How long would it take to double your money at 15.86 percent with interest compounded annually?
1. 3 answers
2. 1,270 views
Why is this reaction considered exothermic?"Concentrated sulfuric acid dissolves in water and the solution becomes warmer." This
1. 2 answers
2. 584 views
I am having trouble on this question. a cable TV company charges $24.95 per month for basic service and $6.95 per month for each
1. 2 answers
2. 506 views
which of the following contributed to Britain's industrial revolution?A. large labor force C. powerful monarchy B. decreasing
1. 4 answers
2. 695 views
What is the intermolecular force for BaCO3?
1. 2 answers
2. 539 views
The relationship between the number of games won during one season by a minor league baseball team and the average attendance at
1. 1 answer
2. 836 views
Using advertised prices for used Ford Escorts a linear model for the relationship between a car's age and its price is found.
1. 2 answers
2. 568 views
Using advertised prices for used Ford Escorts a linear model for the relationship between a car's age and its price is found.
1. 3 answers
2. 2,115 views
Gerald can complete a math assignment in 2 hours and a physics assignment in 1 hour. If he has 8 hours to complete a set of
1. 5 answers
2. 2,640 views
There is a random selection of 150 students. What is the probablity that the sample percentage of correct identification is
1. 1 answer
2. 336 views
Can someone please explain this to me?!Please! Thank you! How much (in kilograms) ethylene glycol antifreeze (C2H6O2)(molar mass
1. 2 answers
2. 723 views
Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a
1. 1 answer
2. 435 views
Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a
1. 1 answer
2. 461 views
Which of the following criteria must be met to do a one-sample test for a proportion?A. The data values in the sample must be
1. 1 answer
2. 667 views
The makers of the MAGNETIZER Engine Energizer System (EES) claim that it improves gas mileage and reduces emissions in
1. 3 answers
2. 444 views
1.Are there more broken bones in summer or winter? We get records about the number of fractures treated in January and July at a
1. 3 answers
2. 767 views
A new medication has been created to treat osteo-arthritis inflammation and pain. Doctors prescribing the drug claim that the
1. 2 answers
2. 512 views
A new medication has been created to treat osteo-arthritis inflammation and pain. Doctors prescribing the drug claim that the
1. 1 answer
2. 703 views
V(t)=175(1-(t/45))^2Find the inverse V^-1=?
1. 1 answer
2. 245 views
Find a polynominal of degree 4 that has integer coefficients and zeros 4,-4,5 and 1/2.
1. 4 answers
2. 814 views
ben deposits $320 in an account that earns 3.5% simple interest per year. what is the balance in the account year?
1. 1 answer
2. 465 views
what is the value of x in the rectanglePerimeter=24 meters the side is (x+3) The bottom is 2x
1. 1 answer
2. 376 views
23=2x+(x+3)+xI know the answer is 5 but I don't know how to show the work.
1. 1 answer
2. 245 views
An architectural firm makes a model of a science center they are building. The ratio of the model to the actual size is 1 in.:85
1. 4 answers
2. 971 views
4-10y=22-6xSolve the Equation for y
1. 1 answer
2. 353 views
A cyclist can travel 29.6 miles in 2 hours. At this rate how many gallons will it need to travel 650 miles.A: 14.8 B: 22.2 C:
1. 3 answers
2. 555 views
The reaction is Br2 (g) <---> 2Br (g).It occurs at T = 1600 C. When 1.05 mol Br2 are placed in a 2 Liter flask, 2.50% of Br2
1. 4 answers
2. 1,116 views
Which of the following is an irrational number?a. negative square root of 5 B. 1/8 c. 0.3858585... d. negative square root of 64
1. 3 answers
2. 758 views
If a cart and a string are attached and there is a weight on the end of the string to pull the cart, and both the cart and the
1. 1 answer
2. 339 views
If a cart and a string are attached and there is a weight on the end of the string to pull the cart, and both the cart and the
1. 1 answer
2. 357 views
How do you find total displacement to and from a place?
1. 1 answer
2. 303 views
why is the copper/sulfur mass ratio different from the mole ratio?
1. 1 answer
2. 506 views
I have to write a three paragraph essay on the causes of terrorism. One paragraph for each cause. All I am helping is finding 3
1. 1 answer
2. 478 views
if 5.2 grams of bismuth react under certain conditions with 10.0 g of oxygen what is the empirical formula of the bismuth formed
1. 1 answer
2. 345 views
y=x+1Domain: -2,-1,0,1,2 what is the range? Is it -1,0,1,2,3
1. 1 answer
2. 313 views
A microwave oven heats by radiating food with microwave radiation, which is absorbed by the food and converted to heat. Suppose
1. 2 answers
2. 601 views
A 66.5 kg ice skater moving to the right with a velocity of 2.09 m/s throws a 0.14 kg snowball to the right with a velocity of
1. 2 answers
2. 1,099 views
A local eat-in pizza restaurant wants to investigate the possibility of starting to deliver pizzas. The owner of the store has
1. 3 answers
2. 4,621 views
A researcher performs a hypothesis test to test the claim that among girls aged 9-10, the mean score on a particular aptitude
1. 2 answers
2. 621 views
30 randomly selected cans of Coke are measured for the amount of cola in ounces. The sample values have a mean of 12.18 ounces
1. 2 answers
2. 641 views

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