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Joy

Questions and answers by Joy, page 2

Questions (413)

what mass of formic acid must be dissolved in 250 ml of deionized water to produce a solution of pH 1.83?[ka of
1. 2 answers
2. 526 views
Balance = 1530Interest = 30 Rate = .06 Time = ?
1. 1 answer
2. 250 views
How would you prepare a standard solution of 1m HCL(5.6 of HCL is 1.18)?
1. 1 answer
2. 331 views
find the area of a pentagon with the co ordinates of A(0,4) B(3,2) C(3,-1) D(-3,-1) E(-3,2)
1. 4 answers
2. 327 views
Rombus ABCD has an area of 264 square units. If DB =12 units find AC.
1. 2 answers
2. 582 views
The probability that a person has an unlisted telephone number is 0.15. The district manager ofa political action group is
1. 1 answer
2. 518 views
Statistical Abstracts (117th edition) reports sale price of unleaded gasoline (in cents per gallon) at the refinery. The
1. 2 answers
2. 687 views
More than 200 billion grocery coupons are distributed each year for discounts exceeding $84 billion. However, according to a
1. 1 answer
2. 839 views
More than 200 billion grocery coupons are distributed each year for discounts exceeding $84 billion. However, according to a
1. 1 answer
2. 441 views
A golf ball is hit with a velocity of 24.5 m/s at 35.0 degrees above the horizontal. Finda) the range of the ball, and b) the
1. 4 answers
2. 3,196 views
A jet leaves the Charlotte, North Carolina, airport traveling at an average rate of 564 km/h. Another jet leaves the airport one
1. 3 answers
2. 569 views
log x/3 + log y/2
1. 1 answer
2. 249 views
The number of oscillations made by a pendulum in a given time is inversely proportional to the length of the pendulum. A certain
1. 2 answers
2. 525 views
How to find(7.27)^x=86.8
1. 1 answer
2. 255 views
How to find(7.27)^x=86.8
1. 3 answers
2. 331 views
The current i in a certain circuit is given byi=6.25e^-125t (amperes) where t is the time in seconds. At what time will the
1. 3 answers
2. 995 views
How to find2^x=7
1. 1 answer
2. 247 views
The barometric pressure in inches of mercury at a height of h feet above sea level isp=30.0e^-kh where k=3.83*10^-5. At what
1. 1 answer
2. 454 views
Using the formula for present worth, a=y/(1+n)^t, in how many years will it take for $50,000 accumulate to $70,000 at 15%
1. 1 answer
2. 330 views
Solve for x.log x + log 4x = 2
1. 1 answer
2. 344 views
Solve for x.ln (5x + 2) - ln (x + 6) = ln 4
1. 1 answer
2. 397 views
Solve for x.ln (x + 2) - ln 36 = ln x
1. 2 answers
2. 965 views
Solve for x.ln 6 + ln (x - 2) = ln (3x - 2)
1. 1 answer
2. 381 views
Solve for x.ln x - 2 ln x = ln 64
1. 3 answers
2. 396 views
Solve for x.2 log (x + 1) = 3
1. 1 answer
2. 326 views
Solve for x.log (2x + 5) = 2
1. 1 answer
2. 333 views
Solve for x5.62e^3x = 188
1. 3 answers
2. 367 views
Shown below are the data giving the length of life of lights in an underground tunnel.9.0 months 7.0 months 8.2 months 8.3
1. 2 answers
2. 572 views
Shown below are the data giving the length of life of lights in an underground tunnel.9.0 months 7.0 months 8.2 months 8.3
1. 4 answers
2. 790 views
2. Use the properties of the dot product to show that (⃗b·⃗c)a−(⃗a·⃗c)⃗b is perpendicular to ⃗c.Must be shown
1. 3 answers
2. 473 views
A solution is made by mixing 42.0 mL of ethanol, C2H6O, and 58.0 mL of water. Assuming ideal behavior, what is the vapor
1. 6 answers
2. 5,411 views
Express the concentration of a 0.0510 M aqueous solution of fluoride, F-, in mass percentage and in parts per million. Assume
1. 5 answers
2. 22,311 views
I am moving 3 blocks with a force of 3 newtons over a distance of 1 meter in 10 seconds. What is the power?
1. 1 answer
2. 284 views
3 = 4------------- x-8 x=2 how do you solve this
1. 3 answers
2. 250 views
I am completely stuck on these two questions. I have read my chapter, but I am still doubting that I got the answers correct.1.A
1. 1 answer
2. 435 views
I am completely stuck on these three questions. I have read my chapter, but I am still doubting that I got the answers correct.1
1. 1 answer
2. 974 views
I am completely stuck on these two questions. I have read my chapter, but I am still doubting that I got the answers correct.1.A
1. 1 answer
2. 506 views
Mg>Al>Ca>Rb>I
1. 1 answer
2. 224 views
What is wrong with the names 2-ethyl-4 and 4-dimethylpentane?
1. 2 answers
2. 1,081 views
The accepted value of a quantity is 4.70g. If the measured value is 4.98g what is the percent error?
1. 2 answers
2. 838 views
Is my answer correct?25g/2.5cm^3 equals 1g/cm^3
1. 1 answer
2. 360 views
I am lost, need to know how to do these types of problems.How many one-to-one correspondences are there between the sets
1. 1 answer
2. 675 views
Please use the Factor Label Method to Convert the following:50 m/s - > _ km/min 50 m/s - > _ km/hr 1.5 kg/L - > _ g/mL 56mg/day
1. 1 answer
2. 431 views
Find the product or quotient. Write the strategy you used. Write model, break apart, multiplication table, inverse operation
1. 2 answers
2. 850 views
A ball is thrown 83.3 m upward and then fallsback to earth.Neglecting air resistance, how long will it be in the air? The
1. 2 answers
2. 1,172 views
Tomorrow the whole state is going to take this assessment and I'm stressing out. There is this website that I am practicing on
1. 4 answers
2. 508 views
A 50N- force was applied to a 10kg ball. Find the acceleration of the ball
1. 2 answers
2. 517 views
A boat is sailing 42 km/hr upstream on a river that is moving at 16 km/hr downstream. What is the velocity of the
1. 1 answer
2. 376 views
ow many molecules are in 0.26 mol of CO2?
1. 2 answers
2. 509 views
The solubility of a gas at 7.0 atm of pressure is 0.52 g/L . How many grams of the gas would be disolved per 1.0 L if the
1. 5 answers
2. 1,149 views
The solubility of a gas at 7.0 atm of pressure is 0.52 g/L . How many grams of the gas would be disolved per 1.0 L if the
1. 4 answers
2. 805 views
If a scale has a 1.5% margin of error and the scale shows a weight of 40, What is the range of possible actual weights of the
1. 1 answer
2. 422 views
How much Pb(OH)2(in mg) can be added to 4.0liter of a 0.095 M KOH solution before precipitation starts? Ksp 4.2x10^-5
1. 4 answers
2. 352 views
At time t = 0, a seed is planted. After t weeks, the height of the plant is given by f(t) = 0.3t² = 0.6t = 0.5 inches. At what
1. 3 answers
2. 1,008 views
How to solve for x in geometry ? for example - there is a line segment with 3 points first point to the second point is 3x while
1. 1 answer
2. 445 views
Write the inverse, converse, and contrapositive of the following statement:upside down A x E R, if (x + 2)(x - 3) > 0, then x <
1. 16 answers
2. 2,446 views
Let p and q be propositions. Use Logical equivalences to show that(p ^ (~ (~ p V q))) V (p ^ q) = p
1. 1 answer
2. 396 views
Use a truth table to determine that "division into cases" rule of inference is valid.
1. 1 answer
2. 323 views
Use Bubble Sort to sort the list:7, 12, 5, 22, 13, 32 What is the maximum number of comparisons required for a list of 6
1. 4 answers
2. 597 views
Please let me know whether or not this is written correctly in Spanish as follows:Específicas de “El Hijo El padre y el hijo
1. 1 answer
2. 453 views
Can somebody please let me know whether or not this is written correctly in Spanish and if not then please make the corrections?
1. 9 answers
2. 829 views
Can somebody please make the corrections here on what I have written in Spanish?Específicas de” las ataduras Benjamín y
1. 3 answers
2. 974 views
Can somebody please see if this is correct as to what I have written in Spanish? If not correct please make corrections for me.I
1. 3 answers
2. 438 views
There are two plans for renting a car. Plan A charges $10 per day plus a $50 one-time fee. Plan B charges $15 per day plus a $30
1. 4 answers
2. 391 views
A tutor website wants to see how time spent studying for its content exams affects the ultimate scores. It asked its finite math
1. 1 answer
2. 501 views
Consider the following table of values for real valued functions f(x) and g(x).x 1 2 3 4 f(x) 3 1 4 2 g(x) 4 1 3 5 Find f o g(1)
1. 2 answers
2. 721 views
When a theater charges $50 per ticket, a sold-out crowd of 600 will buy tickets. For every $5 increase in ticket price, 6 fewer
1. 4 answers
2. asked by Joy
3. 916 views
Jen is thinking of a particular number. Which rational function would represent the sum of twice her number and three times the
1. 1 answer
2. 422 views
7. Which of the following scenarios could be described by the real valued function f(x) = x3 + 3x2 + 2x?: *A. A shoebox has a
1. 3 answers
2. 877 views
Jen is thinking of a particular number. Which rational function would represent the sum of twice her number and three times the
1. 2 answers
2. 953 views
Which of the following scenarios could be described by the real valued function f(x) = x3 + 3x2 + 2x? A shoebox has a length
1. 1 answer
2. 433 views
The population of rabbits in a particular habitat triples every year. If there are 500 rabbits in 2013, when will there be over
1. 2 answers
2. 1,087 views
If f(x) = log2 (x - 2)3 and g(x) = log8 (x - 2), when is (f + g)(x) = 0?
1. 3 answers
2. 761 views
You put $1,000 into your bank account with a 5% annual simple interest rate. How much money will you have after three years?
1. 1 answer
2. 341 views
You put $1,000 into your bank account with a 5% annual interest rate compounded quarterly. How much money will you have after
1. 1 answer
2. 891 views
You expect to receive payments of $1,000 at the end of the next three years with an annual interest rate of 5%. How much is the
1. 1 answer
2. 307 views
You borrow $100,000 for a conventional 30 year mortgage at a 4% interest rate. Which is the first year, where years are 1-30,
1. 1 answer
2. 992 views
A 24 pack of soda costs $8 each and bags of chips cost $6 each. You have $120 to spend and there is a 16 items or fewer fast
1. 1 answer
2. 381 views
The augmented matrix A represents a system of three real-valued equations in three unknowns. Which of the answer choices would
1. 1 answer
2. 371 views
16. What is the value of a that would make the matrix equation true?:( 1 -2) (-5 6) (a b) ( 3 4) (7 -8) = (c d)
1. 3 answers
2. 943 views
3. A tutoring site wants to see how time spent studying for its content exams affects the ultimate scores. It asked its finite
1. 2 answers
2. 563 views
15. The augmented matrix A represents a system of three real-valued equations in three unknowns. Which of the answer choices
1. 1 answer
2. 352 views
What is the value of a that would make the matrix equation true?(1 -2) (-5 6) = (a b) (3 4) (7 -8) = (c d)
1. 1 answer
2. 326 views
Sort with Insertion Sort and Selection Sort algorithms the following list:329, 364, 373, 334, 320 Give the intermediate lists at
1. 1 answer
2. 511 views
Consider the complete graph with 5 vertices, denoted by K5.A. Draw the graph. B. How many edges are in K5? How many edges are in
1. 1 answer
2. 690 views
Let G be a graph with vertex set V = {v1, v2, v3, v4, v5}.A. Is it possible for the degrees of the vertices to be 3, 6, 2, 1, 5,
1. 1 answer
2. 486 views
Using Fleury's Algorithm in the graph to the bottom left, I deleted three edges and I got the graph to the bottom right. If I am
1. 1 answer
2. 403 views
Let G be a graph with vertex set V = { v1, v2, v3, v4, v5}.Is it possible for the degrees of the vertices to be 3, 6, 2, 1, 5,
1. 3 answers
2. 1,065 views
Let G be a graph with vertex set V = {v1, v2, v3, v4, v5}.If the degrees of the vertices are 1, 2, 3, 4, 6, respectively, how
1. 3 answers
2. 448 views
Let G be a graph with the vertex set V = {v1, v2, v3, v4, v5}.If the degrees of the vertices are 5, 1, 0, 6, 2, respectively,
1. 3 answers
2. 681 views
Let G be a graph with vertex set V = { v1, v2, v3, v4, v5}.If the degrees of the vertices are 1, 2, 1, 3, 1, respectively, is G
1. 3 answers
2. 475 views
Using Fleury's Algorithm in the graph to the bottom left, I deleted three edges and I got the graph to the bottom right. If I am
1. 3 answers
2. 377 views
3.Does it matter if we join two vertices with a straight line or a curved line when we represent a graph by drawing it on paper?
1. 3 answers
2. 426 views
If we consider the G as the whole of the cycle graph having 4 edges then is G a complete graph?
1. 3 answers
2. 348 views
These questions are based on the following information and should be viewed as independent situations. Popper Co. acquired 80%
1. 2 answers
2. 542 views
These questions are based on the following information and should be viewed as independent situations. Popper Co. acquired 80%
1. 2 answers
2. 559 views
These questions are based on the following information and should be viewed as independent situations. Popper Co. acquired 80%
1. 2 answers
2. 550 views
After 150 thousand years, only 1/8 of the original amount of a particular radioactive waste will remain. The half-life of this
1. 6 answers
2. 1,218 views
A T-bill with face value of $10,000 and 96 days to maturity is selling at a bank discount ask yield of 4.3%. A. What is the
1. 3 answers
2. 2,989 views
A polystyrene ice chest contains 3 kg of ice at 0 degrees Celsius. Triangle H for melting = 3.34 x 10 to the 5 power J/kg p =
1. 2 answers
2. 492 views

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