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Jenna
Questions (376)
Consider the experiment of simultaneously tossing a die and a coin. Let X denote the number of heads and Y denote the number of
0 answers
655 views
we know that the speed of light in a vacuum is 3.0 x 10^8 m/s (18,000 mi/sec). If light travels through thick plastic with a
1 answer
537 views
we know that the speed of light in a vacuum is 3.0 x 10^8 m/s (18,000 mi/sec). If light travels through thick plastic with a
1 answer
697 views
An object is located 87.6 cm from a concave mirror that has a focal length of 17.0 cm. Where is the image located?
1 answer
462 views
Nitrogen dioxide, NO2, dimerizes easily to form dinitrogen tetroxide , N2O4 :
2NO2<===>N2O4 a) Calculate Change in reaction G*
1 answer
2,182 views
if 20 ml of .025M Formic acid is combined with 30 ml of distilled water and titrated with .10 M NaOH. What is the theoretical
1 answer
401 views
if 20 ml of Formic acid is combined with 30 ml of distilled water and titrated with .10 M NaOH. What is the theoretical endpoint
1 answer
448 views
In 1950, what west coast team became an official member of the NFL?
4 answers
415 views
An airplane pilot sets a compass course due west and maintains an airspeed of 221km/h . After flying for a time of 0.490h, she
1 answer
998 views
Star 'A' has twice the radius of star 'B'. The ratio of the surface area of star 'A' to the surface area of star 'B' is equal to
0 answers
542 views
A jetliner is moving at a speed of 230 m/s. The vertical component of the plane's velocity is 36.4 m/s. Determine the magnitude
1 answer
437 views
solve for x
Pc/x = c/p
1 answer
369 views
At 518 degress celsius that rate of decomposition of a sample of acetaldehyde, initially at a pressure of 363 torr, was 1.07
1 answer
467 views
At 518 degress celsius that rate of decomposition of a sample of acetaldehyde, initially at a pressure of 363 torr, was 1.07
0 answers
446 views
A turtle is at the bottom of a 12 foot well. Each day it crawls up 3 feet, but each night it slips back 2 feet. After how many
1 answer
7,200 views
Which of the following peptide fragments would you expect to find buried in the center of a water soluble protein? Explain your
0 answers
329 views
If you are getting a B in everything else in this class but you don't do any of the news item write ups(which are 9% of your
1 answer
617 views
Would this be a positive, nenegative or no correlation?
The number of calories burned and the time spent exercinsing
1 answer
876 views
Total tickets sold$1625. Adults $7,kids $3. Twice as many kids as adults bought tickets. How many adults and kid tickets were
2 answers
266 views
Total tickets sold$1625. Adults $7,kids $3. Twice as many kids as adults bought tickets. How many adults and kid tickets were
2 answers
349 views
Write the following without negative exponents: (a^-1 + b^-1)^-1
2 answers
455 views
Solve the following equation for t : 3/t +
2/m = 2
2 answers
409 views
Given A = {1, 2, 3}, B = {3, 4, 5, 6,}, and C = {3, 5, 7}. Evaluate each set
a) A ∩ B b) A U C c) B U C d) (A U B) ∩ C e) A U
2 answers
344 views
Given these sets:
A = {3, 4, 5, 6, 7} B = {6, 7, 8, 9} C = {2, 4, 6, 8} List the elements of this set A intersect(B∩C)
2 answers
370 views
Given the following set, select the statement below that is true.
V = {a, e, i, o, u} s ∈ V o ∉ V e ∈ V V intersect Ø w
2 answers
384 views
Given the following sets, select the statement below that is true.
A = {l, a, t, e, r}, B = {l, a, t, e}, C = {t, a, l, e}, D =
2 answers
757 views
Given the following sets, select the statement below that is true.
A = {l, a, t, e, r}, B = {l, a, t, e}, C = {t, a, l, e}, D =
5 answers
1,055 views
Given the following set, select the statement below that is true.
V = {a, e, i, o, u}
3 answers
397 views
A car is traveling at 70 mph skids 240 ft after it's breaks are suddenly applied. Assuming that the cars breaking system
1 answer
581 views
What did people in Ancient Greece trade with other countries? What were the trade routes, what did they trade, and finally, what
1 answer
648 views
What value does Macbeth put on his soul in Act III, Scene I of "Macbeth" by Shakespeare.
1 answer
778 views
a chain pulls tangentially on a 33.4kg uniform cylindrical gear with tension of 70.1 N. the chain is attached along outside
1 answer
1,197 views
A boy of mass 37.8kg. is rescued from a hotel fire by leaping into a firefighters' net. The window from which he leapt was 8.02
0 answers
426 views
I need to create a flowchart/psuedocode for a dice game that give you 2 rolls with 5 dice, 3 rolls per game. the computer will
0 answers
818 views
Dispersion in a window pane. In the figure on the left, a beam of white light is incident at angle θ = 51° on a common window
1 answer
2,524 views
H2SO4 +NaCO3 > Na2SO4 +Co2 +H2O
if 150.0 g Of Sulfuric acids is spilled what is the minimum number of moles of sodium carbonate
1 answer
517 views
An unknown compound X is one of the four compounds listed in the table below. A mixture of X with o-toluic acid melts at 100
0 answers
1,093 views
How do you find the mass of a solution if you have 1L of 2.5 M MgCl2.
I have determined how many moles are present in MgCl2 which
6 answers
1,072 views
What is the major product from the sulfuric acid and Hg(II)-catalyzed hydration ethynylcyclohexane?
0 answers
549 views
a building cast a 235 ft shadow along the ground. the angle of the sun's ray with the ground is 24 degrees. How tall is the
1 answer
509 views
Describe the mistakes.
3 x 8 - 4 x 5 = 100
6 answers
380 views
A recipe calls for 4 1/2 cups of flour for 72 cookies. How many cups of flour would be needed for 48 cookies?
3 answers
568 views
What is the effect of smoking near others?
2 answers
392 views
Using the procedure of comlpeting the square, write the equation x^2+y^2-6x+8y=0 in the form (x-h)^2+(y-k)^2=r^2.
state the
2 answers
435 views
Objects on the moon's surface have an acceleration due to gravity one-sixth that on the earth's. What would the 40 kg boy weigh
1 answer
1,090 views
A particular guitar string is supposed to vibrate at 220 , but it is measured to vibrate at 230 .
By what percent should the
1 answer
693 views
If a solution appears to be violet, what range of wavelength would you use for analysis of the solution?
How about if the
1 answer
520 views
a. If a solution appears to be violet, what range of wavelength would you use for analysis of the solution?
b. How about if the
1 answer
1,232 views
What is the pH of the solution obtained when 125 mL of 0.614M NaOH is diluted to 16.0 L with water?
1 answer
1,009 views
A thousandths grid is completely coloured in when tree different decimals are shown. One decimal is double of the others.
0 answers
425 views
How do you write a number in expanded form?
2 answers
617 views
I have a quick question, If a ballplayer catches a ball 3.0s after throwing it vertically upward. With what speed did he throw
1 answer
587 views
A pump is installed in the basement of a 10-storey building in order to supply the occupants with water. Each storey is 3m high.
2 answers
817 views
Within a book on a desk there are billions of forces pushing and pulling on all the molecules. Why is it that these forces never
1 answer
809 views
Please check my answers.
Identify each of the following as either assets, liabilities, or owner's equity. 1. Petty cash- Owner's
1 answer
770 views
Use the discriminant to determine how many real number solutions the equation has
1-7a^2=-7a-2
1 answer
528 views
5x^2+4x+6=0, given the graph of y=5x^2+4x+6
1 answer
352 views
Give the equation of the line that is perpendicular to the line y=-3+7 and passes through point (0,-6)
1 answer
407 views
how many polygon arrangements does a semi-regular tessellation have?
1 answer
501 views
Data obtained from lab (neutralization):
H2SO4: C =1.0mol/l V = 30 mL Initial temp. = 24.1 NaOH c= 1.0mol/L v= 50 mL initial
1 answer
1,174 views
According to the data booklet Cu(NO3)2 and Sn(s) are spontaneous Cu2+ being a strong reducing agent and Sn(s) being a strong
1 answer
667 views
The chart on the next page is an example of a quality control chart. Samples of parts and products are drawn from an assembly
1 answer
566 views
On grid paper I have a capital letter I
three cubes across to make the top of letter I, three cubes in the middle, and three
1 answer
470 views
Yesterday someone posted my exact question, but I can't find the answer.
What is area/perimeter of capital letters: I, U, and J?
1 answer
533 views
The Rental Depreciation Problem. The owner of a rental house can depreciate its value over a period of 27 ½ years, meaning that
1 answer
642 views
Suppose r(x) = 8(x)^(1/2) represents revenue and c(x) = 2(x)^2 represents cost, with x measured in thousands of units. Is there
1 answer
2,031 views
Scoring in Golf. A golfer played 8 rounds on a tournament
course with the following scores (par is the expected score for a
0 answers
992 views
Can you help me put the following events in order:
-hitler declares austria part of germany -naie terrorize jewish on
1 answer
610 views
BD is a perpendicular bisector of triangle ABC. XZ is a perpendicular bisector of triangle WXY.
Triangle ABC is similar to
0 answers
823 views
How many electrons are transferred in the production of 6.06×10^−4 mol H2(g) from water?
2 answers
516 views
You throw a ball upward and then it falls back down. How does the velocity of the ball change as it rises and falls?
0 answers
703 views
what mass of sodium phosphate is required to make 250mL of 0.10mol/L solution?
4 answers
551 views
How many electrons and how many protons are in the ion Cr6+?
2 answers
5,223 views
Find the volume of the solid obtained by revolving the graph of y=x(sqrt(1-x^2)) over [0,1] about the y-axis.
How do you write
2 answers
853 views
The phosphoric acid in a 100.00 mL sample of a cola drink was titrated with 0.1476 M NaOH. The first equivalence point was
1 answer
1,556 views
What is the modifier of the prepostional phase and what kind of prepostional phrase is it? Adverb or Adjective?
1. Its invention
3 answers
720 views
There is an 8 square box, I have to put the numbers 1-8 in the eight boxes, BUT no consecutive numbers can be by each other, and
0 answers
643 views
A car air bag requires 70. L of nitrogen gas to inflate properly. The following equation represents the production of nitrogen
12 answers
3,717 views
For the following question, we need to find the length of the polar curve:
r= 2/(1-cosx) from pi/2 </= x </= pi dr/dx=
1 answer
713 views
Perform long division on the integrand, write the proper fraction as a sum of partial fractions, and evaluate the integral:
(inte
1 answer
1,011 views
Express the integrals as the sum of partial fractions and evaluate the integral:
(integral of) (x^2)dx/(x-1)(x^2 +2x+1) My work:
1 answer
1,336 views
Given the sequence of bases in the sense strand of DNA shown below, please answer the following questions.
5'-ATGTTTCCCCAGAAGAGGT
1 answer
741 views
how would I write this in quadratic form?
4x to the eighth power plus 4x to the fourth power plus seven.. I am so confused..
0 answers
501 views
what are they differenves between eprokaryotes& prokaryotes?
0 answers
375 views
A 4.1 kg block is attached to a spring with a force constant of 550 N/m , as shown in the figure.
Find the work done by the
2 answers
1,112 views
A 4.1 kg block is attached to a spring with a force constant of 550 N/m , as shown in the figure.
Find the work done by the
0 answers
902 views
Show the F1 and F2 progeny phenotypic and genotypic ratios of the following dihybrid cross involving unlinked purebred Mendelian
0 answers
1,036 views
Max, James, and Brett were playing basketball. One of them broke a window, and the other two saw him break it. Max said, "I am
2 answers
2,920 views
A professor gave us an assignment based on one of three websites. The website I chose has multiple pages, each with a title, but
1 answer
614 views
An elevator's cable snaps and its emergency brakes start gripping at the secondary line in order to slow its descent. The
7 answers
554 views
A flowering plant with orange petals is self-crossed to yield the following phenotypes:
red flowers- 30 orange flowers- 62 yellow
0 answers
519 views
Two traits (stem length and seed color) are simultaneously examined in a cross of two pure-breeding pea plant varieties. A tall
0 answers
781 views
I'm having trouble with the following problem:
Find the volume of the solid generated by revolving the region about the given
1 answer
2,727 views
How do you write (2x3)x5=30 without changing the number sequence?
1 answer
362 views
Can someone look over my work and tell me if my steps look correct? I'm trying to correct some problems that looked wrong.
Instru
2 answers
576 views
We're doing a lab in my Calc II class and I'm stuck on this question. I tried to do it by looking at instructions for a similar
1 answer
610 views
How would you describe how tissues form your heart?
1 answer
338 views
How would you describe a muscle cell?
1 answer
357 views
How would you describe a bone cell?
1 answer
346 views
I am studying for a final exam and in our review packet we have this question, which I am having trouble with:
lim (x-->0)
1 answer
655 views
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