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Betty

Questions (275)

An unstable nucleus with a mass of 18.0 ✕ 10-27 kg initially at rest disintegrates into three particles. One of the particles,
1. 0 answers
2. 674 views
A 4.1 g dart is fired into a block of wood with a mass of 20.2 g. The wood block is initially at rest on a 1.2 m tall post.
1. 2 answers
2. 1,528 views
4.5 by 6.12 original drawing want to increase size to 18 by 24. How do I do it?
1. 1 answer
2. 461 views
Solve the equation:4/3y+5/2y = 1
1. 1 answer
2. 380 views
Simplify and show steps:5x^2/x^3-x^2
1. 1 answer
2. 483 views
How do I simplify -4(-5x-u)-2(3u-2x)
1. 1 answer
2. 382 views
what is -4 (-w+4x-2)?
1. 1 answer
2. 298 views
what is 5- / 8 6
1. 1 answer
2. 382 views
Need help finding the area under the normal curve between z = -1.0 and z = -2.0?
1. 1 answer
2. 1,417 views
There are two different oxides of copper produced as a result of this reaction. They are copper(I) and copper(II) oxide. If
1. 3 answers
2. 538 views
If a company’s total fixed costs increased by $20,000 and its contribution margin decreased by $12,000, net income would be?
1. 1 answer
2. 483 views
A 45.4 kg sign is hanging in two wires as illustrated below. If angle A is 53.5 degrees and angle B is 29.6 degrees, what is the
1. 1 answer
2. 547 views
A flagpole has a height of 10 yards. It will be supported by three cables, each of which is attached to the flagpole at a point
1. 1 answer
2. 855 views
How do I factor non-traditional math problems that contain symbols? The examples given were: $q + $8 - $~ and 7* - x* + 2*.
1. 1 answer
2. 456 views
A parallelogram is 22 inches long and 14 inches wide. How do you find the height of the parallelogram? How do you find the area
1. 1 answer
2. 620 views
SOLVE FOR p:5T = 6D + 6pm
1. 1 answer
2. 329 views
What is the rule for the functionx= 4, 5, 6, 7, 8 y= 8, 15, 24, 35, 48
1. 1 answer
2. 388 views
Sam is making 3 picture frames with dimensions seven and seven-eights and five and three quarters. What length of wood does he
1. 1 answer
2. 536 views
X^2(y-7)-14x(y-7)+45(y-7)
1. 0 answers
2. 372 views
Why is a normal distribution called "normal"?
1. 1 answer
2. 400 views
Why is a normal distribution called "normal"?
1. 1 answer
2. 448 views
Tristen mixes nuts that cost $2.00 per pond with nuts that cost $4.00 per pound. He buys triple as much of the $2.00 per pound
1. 1 answer
2. 654 views
A camping store put in an order for flashlights and sleeping bags. The number of flashlights ordered was 3 times the number of
1. 1 answer
2. 608 views
2. The Rathburn Manufacturing Company makes electric wiring, which it sells to contractors in the construction industry.
1. 3 answers
2. 7,488 views
5 selected from batch of 50 produced, if one is found defective, than each is tested individually. Find the probability that the
1. 0 answers
2. 593 views
An advisor offers 8 mutual funds in the high risk category, 7 moderate, 10 in low risk.The investor decides to invest in 3 high
1. 0 answers
2. 502 views
5 selected from batch of 50 produced, if one is found defective, than each is tested individually. Find the probability that the
1. 0 answers
2. 467 views
An advisor offers 8 mutual funds in the high risk category, 7 moderate, 10 in low risk.The investor decides to invest in 3 high
1. 0 answers
2. 510 views
5 selected from batch of 50 produced, if one is found defective, than each is tested individually. Find the probability that the
1. 0 answers
2. 476 views
5 selected from batch of 50 produced, if one is found defective, than each is tested individually. Find the probability that the
1. 0 answers
2. 468 views
An advisor offers 8 mutual funds in the high risk category, 7 moderate, 10 in low risk.The investor decides to invest in 3 high
1. 1 answer
2. 935 views
An Adviser has 9 products he wants to tell a client about, but only has time to tell him about 4. How many different ways can he
1. 0 answers
2. 440 views
A woman at the mall sees flats, 2’heels, and 3’ heels. The shoes come in two shades of beige(light and dark) and black. What
1. 1 answer
2. 448 views
P(Z)= .40, P(Y)=.30, P(Z ⋃Y)=.58Find the following: P(Z’ ⋂Z’) P(Z’⋃ Y’) P(Z’⋃ Y) P(Z⋂ Y’)
1. 1 answer
2. 413 views
An Adviser has 9 products he wants to tell a client about, but only has time to tell him about 4. How many different ways can he
1. 0 answers
2. 664 views
An advisor offers 8 mutual funds in the high risk category, 7 moderate, 10 in low risk.The investor decides to invest in 3 high
1. 0 answers
2. 1,169 views
What is the period and asymptote in y= tan(2x-pi)
1. 1 answer
2. 1,315 views
what is the graph of y= arccos(x-2)
1. 1 answer
2. 865 views
what is the graph of y=sec(x+pi/2)
1. 1 answer
2. 396 views
what is the graph of y= tan(2x-pi)
1. 1 answer
2. 452 views
what is the graph of y= cos2(x-pi)+2
1. 1 answer
2. 447 views
What is the graph of y= 5sin1/2(x+pi)-1
1. 1 answer
2. 569 views
A +2 uC and a +10 uC are 3cm aparta) Find the electrostatic force between the charges b) If the charges are brought together and
1. 1 answer
2. 1,086 views
please graph 4x^2/(x^3-1) and show asymptotes
1. 1 answer
2. 344 views
The amount of time it takes to take your order at the local Whaters restaurant has a population mean m of 3.1 minutes and a
1. 2 answers
2. 624 views
How much tolnaftate powder is in 7% Eucerin cream 85g? _______________
1. 0 answers
2. 655 views
If you add 16g of sacicylic acid to 84g of an ointment base, what is the final concentration (w/w) the product? _______
1. 1 answer
2. 453 views
If you diluted 95ml of a 7% benzocaine lotion to 5%, how much could you produce? _________
1. 1 answer
2. 510 views
35ml of active ingredient is mixed with distilled water to total 300ml. What is the final concentration (v/v)? ________
1. 0 answers
2. 883 views
If you diluted 95ml of a 7% benzocaine lotion to 5% how much could you produce? ___
1. 1 answer
2. 1,084 views
How much stock solution of hydrogen peroxide 8% will you need to make 320ml of hydrogen peroxide 2% solution? ____
1. 0 answers
2. 462 views
35ml of active ingredient is mixed with distilled water to total 300ml. What is the final concentration (v/v)? ____
1. 0 answers
2. 452 views
15g of potassium chloride is diluted in 2L of sterile water for injection. What is the final perccent strength (w/v)? ____
1. 0 answers
2. 419 views
320ml of active ingredient is added to 680ml of an alcohol based solution. What is the final strength (v/v)? ___
1. 0 answers
2. 425 views
Drysol contains 6g of aluminum chloride hexahydrate in 42ml of an alcohol base. What is the final strength of Drysol?____
1. 1 answer
2. 902 views
75g of active agreement powder is mixed with 300 ml normal saline. What is the final percent strength(w/V)? ____________
1. 2 answers
2. 1,369 views
How much cholestryramine powder is in 3% cholestyramine/Aquaphor cream 45g? _________
1. 1 answer
2. 1,209 views
If you add 8g of benzoic acid to 92g of an ointment base, what is final concentration (w/w) the product? _______________
1. 1 answer
2. 2,057 views
The average human has a density of 950 kg/m3 after inhaling and 1018 kg/m3 after exhaling.(a) Without making any swimming
1. 1 answer
2. 951 views
What can be done to help society improve its understanding of the world's natural resources and how to utilize them? Why?
1. 1 answer
2. 363 views
What is the relationship between z-scores and percentages?
1. 1 answer
2. 695 views
What dictates the design (experimental versus quasi-experimental) and the type of manipulation used in a research study?
1. 1 answer
2. 576 views
a board 2 yards long. If 6 inches from one end was cut off. How many inches long was the shelf.
1. 3 answers
2. 484 views
What is the solution set for 10^x=2.5
1. 1 answer
2. 345 views
Find the accumulated value of an investment of $10,000 for 3 years at an interest rate of 6% if the money is a)compounded
1. 1 answer
2. 881 views
Students in an English class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. The
1. 2 answers
2. 1,067 views
I need to find out the solution in terms of natural logarithms for this 10^x=2.5
1. 1 answer
2. 347 views
I need to find out the solution in terms of natural logarithms for this 10^x=2.5
1. 1 answer
2. 435 views
Students in an English class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. The
1. 2 answers
2. 730 views
Please show me how to work thise^.05t =1600
1. 1 answer
2. 321 views
A grandmother is looking for a plan to finance her new grandchild’s college education. She has $25,000 to invest. Search the
1. 0 answers
2. 892 views
Thank you!
1. 0 answers
2. 748 views
P(x)= -.1(100)^2 +50(100)+300= 3,700,000P(x)= -.1(150)^2 +50(150) +300= 4,950,000 P(x)= -.1(250)^2 +50(250) +300= 5,950,000
1. 1 answer
2. 413 views
Please Check theseP(x)= -.1(100)^2 +50(100)+300= 3,700,000 P(x)= -.1(150)^2 +50(150) +300= 4,950,000 P(x)= -.1(250)^2 +50(250)
1. 1 answer
2. 515 views
Annual profit in thousands of dollars is given by the function, P(x) = -.1x2 + 50x - 300, where x is the number of items sold, x
1. 1 answer
2. 664 views
Solve algebraically and check your potential solutions: sqrt((x+2) -x =0
1. 1 answer
2. 438 views
what type of fallacy would this bei went to work at an all male prison was the first of three female to ever work directly with
1. 4 answers
2. 668 views
Assume that 150 scores are normally distributed with a mean of 92 and a standards deviation of 11.5What is the 50th percentile
1. 1 answer
2. 453 views
Assume that 150 scores are normally distributed with a mean of 92 and a standards deviation of 11.5WHat percentage of the scores
1. 1 answer
2. 710 views
Assume that 150 scores are normally distributed with a mean of 92 and a standards deviation of 11.5Find the z score
1. 0 answers
2. 387 views
: 150 scores on a test are normally distributed with a mean of 92 and a standards deviation of 11.51) Find z score corresponding
1. 0 answers
2. 556 views
A diving bell is a container open at the bottom. As the bell descends, the water level inside changes so that the pressure
1. 2 answers
2. 2,131 views
There is a titration of 5.00 mL .010 M NaOH with .005 M HCl. Indicate the pH of the initial and final solutions and the pH at
1. 1 answer
2. 993 views
An oil can is to be made in the form of a right circular cylinder to have a volume of 16 pie inches cubed. Find the dimensions
1. 1 answer
2. 2,809 views
Name the complexes:[V(ox)(Cl)3]- [Cr(F)3(I)(H2O)2] Write the formula for each of the following coordination compounds.
1. 3 answers
2. 675 views
Condensation is considered an exothermic process is this true?
1. 1 answer
2. 474 views
Compounds that reduce the surface tension of water are considered to be?
1. 1 answer
2. 426 views
The Aufbau Principle is concerned with what?
1. 2 answers
2. 469 views
Calculate the morality of the solution 0.450 mol of Na2S in 1.75 L of solution
1. 2 answers
2. 1,063 views
A sample mean with a z-score value between -1.00 and +1.00 would be considered a fairly typical representative sample. True or
1. 1 answer
2. 452 views
Find the future value, using the future value formula and a calculator. (Give your answer to the nearest cent.)$42.31 at 4.5%
1. 1 answer
2. 471 views
Show all stepsThe maximum number of volts, E, that can be placed across a resistor is given by the formula E=sq root(PR), where
1. 2 answers
2. 1,839 views
Suppose that 3% of the population ha a certain disease. We have a test for the disease. 97% of those who actually have the
1. 1 answer
2. 979 views
Given sin theta = -3/5 and 0 is in quad 2, find Cos theta and tan theta
1. 1 answer
2. 1,052 views
Find the coordinates of the x-intercept.-x+5y=-15
1. 1 answer
2. 424 views
what is the surface area measurments of a room is the height is 10ft.3in, width is 12ft.6in and the length is 12ft. 3in
1. 1 answer
2. 536 views
Tell whether the sum is positive, negative, or zero. Explainn is positive and m is negative. n + (-m) is ?
1. 1 answer
2. 441 views
Tell whether the sum is positive, negative, or zero. Explainn is positive and m is negative. n + (-m) is ?
1. 1 answer
2. 447 views
Hypothesis on finding if the dissappearance of a particular fish species from a lake in the northwestern united states is due to
1. 4 answers
2. 525 views
Performing what if analysis
1. 1 answer
2. 912 views

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