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Tammy
Questions and answers by
Tammy
, page 3
Questions (463)
(x+13)(x-18)(x+4)>0
I cannot figure this one out. Please help.
1 answer
402 views
Refer to Figure 9.21 on p. 264 of the text. How would you determine the slope of the
land surface in this figure? If you consider
1 answer
401 views
Sanding block weighs 2.0 N and is pushed with a force of 3.0 N at an angle of 30.0 degrees with respect to the vertical, and
2 answers
1,275 views
Saturn is 6 times further from the Sun than Mars. Define a variable and write and expression for the distance of Saturn from the
2 answers
498 views
Calculate how much 95% ethyl alcohol will be required to dissolve 075g sulfanilamide at 78 degree Celsius. Knowing that
3 answers
2,914 views
For the Following sets of compounds determine the best solvent, by looking at structure, also by looking at solubility vs. temp.
2 answers
566 views
How do interest rates affect the decision to buy or not buy?
1 answer
374 views
The isolation process of aspirin was stopped after the filtration step with alumina and one week later the methanol was
3 answers
767 views
Reasoning: What number am I? my tens digit is double my ones digit. I am less than 70 and greater than 60
3 answers
514 views
Which one of the gollowing represents the theoretical yield, in grams, of precipitate for the double displacement reaction if
1 answer
459 views
I am having trouble with this question, please help.
If a person makes $30,000 in 2004 and the inflation rate is 4% annually, how
1 answer
985 views
What would happen to the caffeine if the sublimation step were performed at atmospheric pressure?
4 answers
1,353 views
Bromination of E-Stilbene
how I need to calculate the theoritical and the % yield? It was 0.20g of e-stilbene added to 10ml RBF
1 answer
476 views
How long would it take for a stone to fall 250m traveling at a speed of 10m/s squared?
1 answer
345 views
When BaCl2-H2O (s) is dried in an oven, it loses gaseious water:
BaCl2-H2O <--> BaCl2(s) + H2O (g) enthalpy change - 63.11 kJ/mol
3 answers
1,516 views
Specifically, which of the following best expresses your view:
i. Many physics concepts make a lot of sense and connect to
2 answers
583 views
Specifically, which of the following best expresses your view:
i. Many physics concepts make a lot of sense and connect to
2 answers
574 views
According to conservation of momentum, when two objects collide, the momentum lost by one object equals the momentum gained by
4 answers
2,054 views
trying to solve linear equations problem is: x-y-2z=4; -x+2y+z=1, -x+y-3z=11. please help me.
1 answer
345 views
benzopinacol and benzopinacolone diferences
Because benzopinacol and benzopinacolone have nearly identical melting points,
4 answers
3,212 views
I need help with a quiz, it has 30 questions, can you help?
1 answer
280 views
Solve the system by the substitution method y=-2x-4 5x-2y=-1
2 answers
589 views
I am trying to find out how to find the slope for x+12=y and y-x=-8, and also to find out if they are parellel.
1 answer
295 views
The length of an altitude of a triangle is 1/3 the length of the side to which it is drawn. If the area is 6 square cm., then
2 answers
473 views
What is the equation for finding the revenue if you have a pizza selling for $15.00, total cost of $55.00 and labor is $4.00.
1 answer
366 views
Statistic Question:
I want to first start out by thanking you for your help and I also want to inform you that I do not have a
2 answers
502 views
Case 6.4 Maternal Serum Screening Test for Down syndrome
Please keep in mind that I do not have a Math back ground so this is
1 answer
516 views
Brand new to statistics ,no strong math background please help.
Case 6.1 Suppose that you are a contestant on Lets make a deal.
2 answers
585 views
What were some of the encounters between Europeans and Native Americans? Consider why Europeans came to the New World, what they
1 answer
463 views
A random sample of size 36 is to be selected from a population that has a mean μ = 50 and a standard deviation σ of 10.
* a.
3 answers
1,857 views
(8x^3 - 14x^2 - 27x - 9) / (4x + 3)
4 answers
585 views
Still cant figure this out
(8x^3 - 14x^2 - 27x - 9) / (4x + 3)
1 answer
324 views
Given a level of confidence of 95% and a population standard deviation of 14, answer the following:
(A) What other information is
1 answer
435 views
A ball traveling in a circle with a constant speed of 8 m/s has a centripetal acceleration of 5 m.s^. What is the radius of the
4 answers
1,628 views
solve using the substitution method. If the system has no solution or infinite number of solution state this
4x+4y=-36 4x+4y=12
3 answers
867 views
write a numerical expression for the phrase & simplify 129 less than -34
5 answers
1,268 views
Use the distributive property to rewrite this expression, then simplify the new expression if possible; -4(z+3)
3 answers
985 views
19/21 divided by 4 6/7
give estimate anser & exact answer
1 answer
358 views
Rewrite using distributive property
-7(x-7)
3 answers
429 views
Y/2 + 2 > 7
how do I solve with a fraction?
1 answer
300 views
Find the area of a rectangle heating-duct grill having a length of 2yd and a width of 17/4yd
2 answers
504 views
#1 2/11 + (-5/7)
1 answer
231 views
A party of bush walkers have an average speed of 50km/minute and walk for 4 hours on a bearing of 231°T. they then walk for
3 answers
537 views
Two cyclists depart from the same point. One travels due East at 18km/hr while the other travels North-West at 20km/hr. How long
4 answers
766 views
identify a scholarly article that discusses some aspect of the female divine in contemporary culture
1 answer
430 views
How did the Reformation in Great Britain affect the colonization of the New World?
1 answer
440 views
Why was it so difficult for Great Britain to control the New England colonies?
1 answer
424 views
How did the Reformation in Great Britain affect the colonization of the New World?
4 answers
498 views
Does anyone know how to create a timeline tracking the major themes/paradigm shifts in American History.
I am not sure what the
3 answers
1,122 views
The evolution of the socio-political milieu during the colonial period, including Protestant Christianity's impact on colonial
5 answers
1,118 views
a patch of dirt needs 3 5/6 ft of sod to cover it. If Nick decides to cover only 3/4 of the dirt, how much sod does he need?
1 answer
296 views
According to conservation of momentum, when two objects collide, the momentum lost by one object equals the momentum gained by
1 answer
712 views
Specifically, which of the following best expresses your view:
i. Many physics concepts make a lot of sense and connect to
1 answer
1,004 views
Development of male genitals before birth is due to what?
1 answer
352 views
Why risky sex is a serious matter?
2 answers
880 views
do the ancient myths provide us with any clues to the rise and fall of large companies such as Enron, Exxon and BP.
1 answer
395 views
x+1/6=-2/3
solution set?
3 answers
333 views
Would like to start a college fund. It was estimated that the cost for college to be 60,000 per year. How much should be deposit
3 answers
908 views
x + 5/8 = - 1/4
2 answers
222 views
-8y+1=-9y+2
1 answer
245 views
What patient issues might arise when working in an institutional pharmacy setting?
1 answer
401 views
4.5q-1.5-4.4q=0.9q-3.2
3 answers
246 views
3/17x=12
4 answers
465 views
156 x 29/39 x 1/16
1 answer
338 views
Can some one check these for correct advebs and adjectives.
I was extremely irresponsible in my younger years. I was not fully
7 answers
457 views
I need help with this calculus problem. H(S)=S/(1+S)
If F 1/2, -1/2 & (a+1)? I can't figure out what this mean /?
1 answer
384 views
The president's constitutional roles,such as chief executive and commander-in-chief:
2 answers
1,328 views
A researcher wants to estimate the average time (in minutes) spent in a car daily. This will be done by randomly surveying 300
1 answer
516 views
Find an equation of the line having the given slope and containing the given point.
M=4/5, (7,-8) I can totally due the equation
5 answers
547 views
write an equation of the line containing the given point and parallel to the given line (2,-4); 8x-3y=2 the equation of the line
4 answers
1,829 views
If a stone is tossed from the top of a 290 meter building, the height of the stone as a function of time is given by h(t) =
1 answer
372 views
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state
3 answers
1,004 views
Express in terms of i:2√-36
1 answer
299 views
Factor the following expression completely: 36^3-16x
2 answers
511 views
Which one is a function?
{(7,5),(-6,0),(2,3)} {7,-6,2,-7} I think its the first one.
1 answer
292 views
if p-28=10/3(h-5) how in the world do I figure out how many pounds of oranges a 18ft & 20 ft tree would make.
I can get this far
3 answers
798 views
The new credit manager of Kay's Department store plans to liberalize the firm's credit policy. The firm currently generates
3 answers
658 views
at a local restaurant 45% of the customers order spaghetti. Estimate the probability that 6 of the next 10 customers will order
2 answers
914 views
3. Moving Costs
Moving company A charges $80 plus $55 an hour to move households across town. Moving Company B charges $75 an
5 answers
580 views
help! I am trying to figure out how to convert from equation one to equation two. I have spent two hours on this and cannot
1 answer
378 views
is the reaction of calcium chloride with sodium carbonate ionic or covalent
1 answer
442 views
find the oject and preposition in this sentence. a chimney sweep uses a long brush to clean soot from the inside of a chimney.
2 answers
979 views
Can someone please show me step by step how to normalize e^-5x in the interval (0, infinity)?
I have read a lot of different
3 answers
702 views
in a number of tests juan scored 42,54,63,42,78.What is the median mark
1 answer
387 views
The biochemical conversion of Glucose, C6H12O6, into pyruvic acid, C3H4O3, is an important step in the TCA (Kreb’s) cycle
1 answer
1,149 views
When potassium chlorate is heated, it decomposes into potassium chloride and oxygen in the reaction 2KCIO3 -> 2KCI + 3O2. How
2 answers
902 views
20 degrees C is 6 g Cu So4/25 g H2O is this saturated or unsaturated?
1 answer
357 views
@20 degree solubility-22g Cu SO4/100g H2O
@ 20 degree C is 6g Cu SO4/25 g H2O saturated?
1 answer
361 views
if salt has the solubility product expression Ksp={Br3+}2{S2-}3 what is the equilibrium equation for the solubility?
2 answers
563 views
something connects a 16 resistor, 23 resistor, and 34 resistor in series and then connects the arrangement to a 36 v dc source.
1 answer
458 views
20degree C solubility-22g CuSO4/100g H2O
@ 20 degree C is 30g CuSO4/150g H2O saturated or un saturated?
1 answer
446 views
A steel cylinder of oxygen has a volume of 20.0 L at 22 degree C @ 35 atm. What is the volume @ STP? How many of oxygen are in
1 answer
430 views
She answered (sooner or soonest) of the ten people asked....Which do I use?
1 answer
353 views
The electric field intensity between two charged plates is 1.2 103 N/C. The plates are 0.030 m apart. What is the electric
3 answers
810 views
use properties of logarithms to find the exact value of the expression. sqrtlog81 3
1 answer
804 views
solve the equation below. Please show all work. log3(x/2-9)=4
1 answer
299 views
solve the logarithmic equation. Please show all work. log5x+log5(x-3)=log5(x+5)
1 answer
459 views
Solve for x:
logx(121/64)= -2
1 answer
335 views
Historically, the proportion of adults over the age of 24 who smoke has been estimated to be .30. You want to take a sample to
1 answer
473 views
1.Find the height to the nearest foot of a tree that makes a 50-foot shadow when a 2 ft. 6 in. pole is used to make a shadow of
4 answers
1,059 views
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