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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,
0 answers
680 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.
2 answers
1,536 views
4.5 by 6.12 original drawing want to increase size to 18 by 24. How do I do it?
1 answer
466 views
Solve the equation:
4/3y+5/2y = 1
1 answer
384 views
Simplify and show steps:
5x^2/x^3-x^2
1 answer
490 views
How do I simplify -4(-5x-u)-2(3u-2x)
1 answer
386 views
what is -4 (-w+4x-2)?
1 answer
301 views
what is 5
- / 8 6
1 answer
389 views
Need help finding the area under the normal curve between z = -1.0 and z = -2.0?
1 answer
1,423 views
There are two different oxides of copper produced as a result of this reaction. They are copper(I) and copper(II) oxide. If
3 answers
543 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 answer
490 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 answer
551 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 answer
864 views
How do I factor non-traditional math problems that contain symbols? The examples given were: $q + $8 - $~ and 7* - x* + 2*.
1 answer
458 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 answer
625 views
SOLVE FOR p:
5T = 6D + 6pm
1 answer
333 views
What is the rule for the function
x= 4, 5, 6, 7, 8 y= 8, 15, 24, 35, 48
1 answer
392 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 answer
544 views
X^2(y-7)-14x(y-7)+45(y-7)
0 answers
376 views
Why is a normal distribution called "normal"?
1 answer
404 views
Why is a normal distribution called "normal"?
1 answer
454 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 answer
659 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 answer
615 views
2. The Rathburn Manufacturing Company makes electric wiring, which it sells to contractors in the construction industry.
3 answers
7,495 views
5 selected from batch of 50 produced, if one is found defective, than each is tested individually. Find the probability that the
0 answers
599 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
0 answers
510 views
5 selected from batch of 50 produced, if one is found defective, than each is tested individually. Find the probability that the
0 answers
472 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
0 answers
518 views
5 selected from batch of 50 produced, if one is found defective, than each is tested individually. Find the probability that the
0 answers
482 views
5 selected from batch of 50 produced, if one is found defective, than each is tested individually. Find the probability that the
0 answers
472 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 answer
942 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
0 answers
443 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 answer
452 views
P(Z)= .40, P(Y)=.30, P(Z ⋃Y)=.58
Find the following: P(Z’ ⋂Z’) P(Z’⋃ Y’) P(Z’⋃ Y) P(Z⋂ Y’)
1 answer
419 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
0 answers
668 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
0 answers
1,175 views
What is the period and asymptote in y= tan(2x-pi)
1 answer
1,319 views
what is the graph of y= arccos(x-2)
1 answer
871 views
what is the graph of y=sec(x+pi/2)
1 answer
403 views
what is the graph of y= tan(2x-pi)
1 answer
458 views
what is the graph of y= cos2(x-pi)+2
1 answer
451 views
What is the graph of y= 5sin1/2(x+pi)-1
1 answer
574 views
A +2 uC and a +10 uC are 3cm apart
a) Find the electrostatic force between the charges b) If the charges are brought together and
1 answer
1,091 views
please graph 4x^2/(x^3-1) and show asymptotes
1 answer
348 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
2 answers
632 views
How much tolnaftate powder is in 7% Eucerin cream 85g? _______________
0 answers
661 views
If you add 16g of sacicylic acid to 84g of an ointment base, what is the final concentration (w/w) the product? _______
1 answer
460 views
If you diluted 95ml of a 7% benzocaine lotion to 5%, how much could you produce? _________
1 answer
517 views
35ml of active ingredient is mixed with distilled water to total 300ml. What is the final concentration (v/v)? ________
0 answers
887 views
If you diluted 95ml of a 7% benzocaine lotion to 5% how much could you produce? ___
1 answer
1,090 views
How much stock solution of hydrogen peroxide 8% will you need to make 320ml of hydrogen peroxide 2% solution? ____
0 answers
467 views
35ml of active ingredient is mixed with distilled water to total 300ml. What is the final concentration (v/v)? ____
0 answers
456 views
15g of potassium chloride is diluted in 2L of sterile water for injection. What is the final perccent strength (w/v)? ____
0 answers
424 views
320ml of active ingredient is added to 680ml of an alcohol based solution. What is the final strength (v/v)? ___
0 answers
434 views
Drysol contains 6g of aluminum chloride hexahydrate in 42ml of an alcohol base. What is the final strength of Drysol?____
1 answer
906 views
75g of active agreement powder is mixed with 300 ml normal saline. What is the final percent strength(w/V)? ____________
2 answers
1,378 views
How much cholestryramine powder is in 3% cholestyramine/Aquaphor cream 45g? _________
1 answer
1,213 views
If you add 8g of benzoic acid to 92g of an ointment base, what is final concentration (w/w) the product? _______________
1 answer
2,063 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 answer
959 views
What can be done to help society improve its understanding of the world's natural resources and how to utilize them? Why?
1 answer
369 views
What is the relationship between z-scores and percentages?
1 answer
699 views
What dictates the design (experimental versus quasi-experimental) and the type of manipulation used in a research study?
1 answer
583 views
a board 2 yards long. If 6 inches from one end was cut off. How many inches long was the shelf.
3 answers
489 views
What is the solution set for 10^x=2.5
1 answer
350 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 answer
887 views
Students in an English class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. The
2 answers
1,074 views
I need to find out the solution in terms of natural logarithms for this 10^x=2.5
1 answer
350 views
I need to find out the solution in terms of natural logarithms for this 10^x=2.5
1 answer
439 views
Students in an English class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. The
2 answers
736 views
Please show me how to work this
e^.05t =1600
1 answer
326 views
A grandmother is looking for a plan to finance her new grandchild’s college education. She has $25,000 to invest. Search the
0 answers
897 views
Thank you!
0 answers
752 views
P(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) +300= 5,950,000
1 answer
418 views
Please Check these
P(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 answer
519 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 answer
669 views
Solve algebraically and check your potential solutions: sqrt((x+2) -x =0
1 answer
444 views
what type of fallacy would this be
i went to work at an all male prison was the first of three female to ever work directly with
4 answers
673 views
Assume that 150 scores are normally distributed with a mean of 92 and a standards deviation of 11.5
What is the 50th percentile
1 answer
457 views
Assume that 150 scores are normally distributed with a mean of 92 and a standards deviation of 11.5
WHat percentage of the scores
1 answer
713 views
Assume that 150 scores are normally distributed with a mean of 92 and a standards deviation of 11.5
Find the z score
0 answers
392 views
: 150 scores on a test are normally distributed with a mean of 92 and a standards deviation of 11.5
1) Find z score corresponding
0 answers
560 views
A diving bell is a container open at the bottom. As the bell descends, the water level inside changes so that the pressure
2 answers
2,140 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 answer
999 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 answer
2,814 views
Name the complexes:
[V(ox)(Cl)3]- [Cr(F)3(I)(H2O)2] Write the formula for each of the following coordination compounds.
3 answers
681 views
Condensation is considered an exothermic process is this true?
1 answer
479 views
Compounds that reduce the surface tension of water are considered to be?
1 answer
432 views
The Aufbau Principle is concerned with what?
2 answers
474 views
Calculate the morality of the solution 0.450 mol of Na2S in 1.75 L of solution
2 answers
1,069 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 answer
456 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 answer
479 views
Show all steps
The maximum number of volts, E, that can be placed across a resistor is given by the formula E=sq root(PR), where
2 answers
1,850 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 answer
986 views
Given sin theta = -3/5 and 0 is in quad 2, find Cos theta and tan theta
1 answer
1,057 views
Find the coordinates of the x-intercept.
-x+5y=-15
1 answer
429 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 answer
545 views
Tell whether the sum is positive, negative, or zero. Explain
n is positive and m is negative. n + (-m) is ?
1 answer
447 views
Tell whether the sum is positive, negative, or zero. Explain
n is positive and m is negative. n + (-m) is ?
1 answer
451 views
Hypothesis on finding if the dissappearance of a particular fish species from a lake in the northwestern united states is due to
4 answers
532 views
Performing what if analysis
1 answer
919 views
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