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Crystal

Questions (381)

Is there a way to find the term number of a sum in an arithmetic series? Like if you had the sum of the first 12 terms in a
1. 3 answers
2. 685 views
Determine the sum of the first 20 terms of the arithmetic sequence in which ...f) the 7th term is 43 and the 13th term is 109 I
1. 2 answers
2. 1,684 views
Okay, so I know this should be really easy but my mind is just drawing a blank:For each series, calculate t12 and S12 a) 37 + 41
1. 1 answer
2. 714 views
I'm learning series and sequences (grade 11).Please check that my steps show I understand what I'm doing/the concept and my
1. 3 answers
2. 856 views
solve the following inequality. write your solution in interval notation.x^3+9x^2-108 less than or equal to 0
1. 1 answer
2. 471 views
the graph of y= -1/4/x-2 (1/4 over x-2) can be obtained from the graph of y=|x| by which transformationsa. what is the
1. 0 answers
2. 472 views
Using the function f(x)=4 - 1/(x+6)^2A.what is the doamin? b.the range c. the asymptotes
1. 2 answers
2. 412 views
I can't figure out this one question...A ship is docked in port and rises and falls with the waves. The function d(t) =
1. 4 answers
2. 3,009 views
If you double the concentrate of yeast in the dough how do you think your results might change ??? Please I really do need help
1. 0 answers
2. 1,059 views
For f(x) = 1/2sin2(x-90°)What are the transformations? The 1/2 means a vertical compression by a factor of 1/2 And (x-90°)
1. 1 answer
2. 501 views
How would you write 2/3-13i in standard form?
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2. 374 views
How would you write 2/3-13i in standard form?
1. 1 answer
2. 351 views
How would you write 2/3-13i in standard form?
1. 1 answer
2. 1,014 views
what is the pH of a 0.10 M solution of methylamine (CH3NH2, kb= 4.4*10^-4) at 25 degree C?
1. 1 answer
2. 981 views
what is the pH of a 0.10 M solution of methylamine (CH3NH2, kb= 4.4*10^-4) at 25 degree C?
1. 1 answer
2. 802 views
3) From two tracking stations A and B, 350 km apart, a UFO is sighted at C above AB making angle CAB = 32 degrees and angle CBA
1. 10 answers
2. 1,801 views
How does the related acute angle help to determine the trigonometric ratios of angles greater than 90 degrees? (in terms of the
1. 9 answers
2. 1,083 views
Use the rated acute angle to state an equivalent expressionTan110 The answer is tan290. Why isn't it 70? Please explain
1. 20 answers
2. 4,023 views
The value of a car after it is purchased depreciates according to the formula v(n)=28000(0.875)^n where v(n) is the car's value
1. 3 answers
2. 4,044 views
Find the slope-intercept equation of the line with the following properties: parallel to the line x=-1;containing the point
1. 1 answer
2. 468 views
Find the slope intercept equation of the line with the following properties :parallel to the line x=-1; containing the point(
1. 1 answer
2. 529 views
A mixture of C3H8 and C2H2 has a mass of 2.0g . It is burned in excess O2 to form a mixture of water and carbon dioxide that
1. 1 answer
2. 1,166 views
In the book, "The Memory Keeper's Daughter" by Kim Edwards, after Norah has successfully destroyed the wasps' nest, Edwards
1. 1 answer
2. 994 views
How do I write ZnSo4(aq)+Na3Po4(aq)---> Zn3(Po4)2(s)+Na2S04(aq)as a net ionic equation balanced?
1. 1 answer
2. 2,308 views
A ferry is crossing a river. The ferry is headeddue north with a speed of 1.7 m/s relative to the water and the river’s
1. 1 answer
2. 7,960 views
A 0.0230 g sample of an unknown was dissolved in 2.260 g of benzene. The molality of this solution, determined by freezing point
1. 1 answer
2. 626 views
Calculate the solubility of oxygen in water at a partical pressure of 02 of 460 torrat 25 degree celsius
1. 3 answers
2. 559 views
A superhero flies 235 m from the top of atall building at an angle of 25 � below the horizontal. What is the horizontal
1. 1 answer
2. 810 views
A superhero flies 235 m from the top of atall building at an angle of 25 � below the horizontal. What is the horizontal
1. 0 answers
2. 803 views
A truck travels up a hill with a 10� incline.The truck has a constant speed of 16 m/s. What is the horizontal component of the
1. 1 answer
2. 582 views
An airplane flies 340 km due east, makes aright-angle turn, and then flies 390 km due north. Find the magnitude of the plane’s
1. 1 answer
2. 866 views
A pedestrian moves 5.7 kmeast and then 8 kmnorth. Find the magnitude of the resultant dis- placement vector. Answer in units of
1. 0 answers
2. 358 views
It is less than 60 and greater than 55 if you add the digits the sum is 13 what is the number
1. 3 answers
2. 1,685 views
1. You observe two beakers containing clear liquid and ice cubes. In the first beaker, the ice cubes are floating. In the
1. 3 answers
2. 1,418 views
Samantha is 1.15 m tall on her eleventh birthday and 1.32 m tall on her twelfth birthday. By what factor has her height
1. 0 answers
2. 443 views
Samantha is 1.15 m tall on her eleventh birthday and 1.32 m tall on her twelfth birthday. By what factor has her height
1. 1 answer
2. 404 views
A college offers nine different psychology courses,four different history course,thirteen different math course,and five
1. 1 answer
2. 614 views
If the cost of, C(x), for manufacturing x units of a certain product is given by C(x)=x2-70x+4400, find the number of units
1. 0 answers
2. 602 views
1. What does Quindlen call feeding babies, walking dogs, and doing household jobs?A. difficult chores B. simple daily routines
1. 2 answers
2. 934 views
1. In Dust Tracks on a Road, what kind of literature did the young Hurston like best that made her think of heroic deeds?A.
1. 5 answers
2. 1,117 views
The reaction (nitrogen monoxide reacts with hydrogen gas to form nitrogen gas and water vapor) is believed to take place in
1. 0 answers
2. 1,167 views
The reaction (nitrogen monoxide reacts with hydrogen gas to form nitrogen gas and water vapor) is believed to take place in
1. 0 answers
2. 1,157 views
Now the reaction (2NO+2H2==> 2H20+N2) is believed to take place in three steps, the first of which is the fast reversible
1. 0 answers
2. 657 views
1. Determine the exact value of cos^-1 (pi/2). Give number and explanaton.2. Determine the exact value of tan^-1(sq. root 3).
1. 4 answers
2. 1,053 views
Nitrogen Monoxide reacts with hydrogen gas to form nitrogen gas and water (vapor). (i). write a balanced equation for this
1. 2 answers
2. 7,144 views
Draw a reaction profile (diagram of energy vs reaction coordinate) for a hypothetical reaction AB +C <=> A+BC in which the
1. 2 answers
2. 913 views
wht is the area of a circle with a circumference of 25 meters? I have to use pi(3.14) and round to the nearest square meter.
1. 2 answers
2. 1,412 views
The circumfernce of a circus ring is 13 meters. Esimate the radius of the ring.
1. 2 answers
2. 1,116 views
volume of a rectangular prism:600m cubedlength:30m Width:?? Hetght:4m Cant figure out the width. Please help
1. 3 answers
2. 550 views
Josephs tricycle tire has a diameter of 7 inches about how does Joseph travel each time his wheel goes around 5 times
1. 1 answer
2. 408 views
How to set up to solve the equation 2 KCLO^3 ---> 2KCL + 3O^2 HOW MANY MOLES OF O^2 CAN BE PRODUCED BY LETTING 12.00 MOLES OF
1. 1 answer
2. 576 views
I need some help. For a class I need to do the following:Frame a proper research question and complete the following research
1. 3 answers
2. 532 views
Find the sum by making a drawing. (2+3)+(5x+1)
1. 0 answers
2. 327 views
(a) Using incremental analysis, determine whether SY Telc should accept this offer under each of the following independent
1. 1 answer
2. 596 views
An element has ccp packing with a face-centered cubic unit cell. Its density is 1770 kg/m3 and the unit cell volume is 1.50 x
1. 1 answer
2. 591 views
a motorboat is driven across a river at 5km/h at right angles to a current flowing at 3.9km/h. What is the resulting speed of
1. 2 answers
2. 2,547 views
What are the the missing reactants for the double-displacement reaction that produces PF5 and AsCl3 ?
1. 4 answers
2. 2,059 views
I am not sure how to even get started on this question could someone help please.A college advisor wants to estimate the mean
1. 1 answer
2. 696 views
A ball on the end of a string travels in a horizontal circle at a constant speed. The circle has a circumference of 3 m, the
1. 1 answer
2. 1,874 views
If we examine a ball in free fall, we find that the momentum of the ball is not constant. This is not a violation of the law of
1. 0 answers
2. 583 views
(.050 minus 2pie over the square root of 6.18 divided by 2pie over the square root of 6.18)times 100I think the answer is 5
1. 2 answers
2. 439 views
(.050-2ƒÎ/(�ã6.18))/(2ƒÎ/(�ã6.18))*100I think the answer is 5 because everything cancels out except the .050*100 is this
1. 2 answers
2. 390 views
In virgina,colonists who could pay their way across the atlantic were granted 50 acres of land to lease for a modest rental
1. 1 answer
2. 459 views
12. A baseball player throws a ball from left field toward home plate. Assume that you can neglect the effects of air
1. 0 answers
2. 1,436 views
A baseball player throws a ball from left field toward home plate. Assume that you can neglect the effects of air resistance. At
1. 0 answers
2. 813 views
The strength of gravity on Mars is only 40% of that on earth. If a child has a mass of 30 kg on earth, what would the child's
1. 0 answers
2. 523 views
The supervisor comes to your office and wants to see the employee’s file. You provide the supervisor the file. The supervisor
1. 0 answers
2. 582 views
Find the distance between point R (5,6) and point S (-2,0). Round your answer to the nearest tenth.
1. 1 answer
2. 428 views
Can someone help me with how to determine the slope?
1. 1 answer
2. 320 views
A body, which is moving along a straight line, has an average acceleration of 6 m/s/s. How much speed does it gain, on the
1. 1 answer
2. 445 views
Which of the following could be units of acceleration?A) mi/h B) m/s C) mph D) m/s/s I know acceleration is the velocity/Time so
1. 2 answers
2. 366 views
Paul delivers newspapers. He charges $2.25 per week for daily plus Sunday delivery, and $1.00 per week for Sunday delivery only.
1. 5 answers
2. 2,415 views
Describe how two Monopolistically competitive firms respond to the current macroeconomic conditions in terms of: stock
1. 0 answers
2. 462 views
Cl2+3F2 -> 2ClF3how many grams of ClF3 form when .204 moles if F2 react with excess Cl2?
1. 1 answer
2. 1,351 views
What is a diamante poem based on art
1. 1 answer
2. 463 views
i cant remember how to congegate a verb...
1. 1 answer
2. 324 views
1) Science is the ______ of temperature2) a ________ is used to measure temperature. 3) ice is ____ dense than water 4) adding
1. 1 answer
2. 1,006 views
how many calories to change 100 grams of water at 100 degrees C. to 100 grams of steam at 100 degrees C.?
1. 2 answers
2. 1,917 views
A) a 100 gram ice cube is at -10 degrees celcius. how many calories needed to raise it to 0 degrees C.?B) once its at 0 degrees,
1. 2 answers
2. 805 views
you have 16 coins that are heads up and 18 coins that are tails up. After you add some coins that are tail up the ratio of heads
1. 1 answer
2. 607 views
The gravitational force between an object & the Earth is inversely proportional to the square of the distance from the object to
1. 2 answers
2. 1,109 views
A copper bar is initially 20 cm long at 10 degrees C. It is then heated to a temperature of 40 degrees C. What will be its new
1. 2 answers
2. 853 views
If you were forming a business entity and had no intent to go public (sell stock on the stock exchanges), what form would you
1. 0 answers
2. 407 views
VONAGE HOLDINGS CORPORATION, PETITIONER v. FEDERAL COMMUNICATIONS COMMISSION AND UNITED STATES OF AMERICA, RESPONDENTS, VERIZON
1. 1 answer
2. 541 views
The three main types of business organizations are partnerships, LLCs and corporations. Using the text and the comments to this
1. 1 answer
2. 673 views
Create an imaginary dialogue between Laotzu and a contemporary high school student in which the student asks for the
1. 6 answers
2. 1,004 views
Department A had 10,000 units in work in process that were 30% converted at the beginning of the period at a cost of $10,000.
1. 0 answers
2. 784 views
An ideal transformer is needed to step the voltage down from 400V to 115V. The primary has 400 turns. How many turns would be
1. 1 answer
2. 559 views
A hair dryer uses 10A at 120V. It is used with a transformer in England, where the voltage is 240V. A. What should be the ratio
1. 2 answers
2. 3,598 views
Physics Question Please Help?A wire, 20.0 m long, moves at 4.0 m/s perpendicularly through a magnetic field. An EMF of 40V is
1. 5 answers
2. 3,869 views
Department A had 10,000 units in work in process that were 30% converted at the beginning of the period at a cost of $10,000.
1. 1 answer
2. 763 views
What is the method of inventory costing that assumes the unit product costs should be determined separately for each period i
1. 0 answers
2. 513 views
On one 100-point test, Lisa managed to get 74 points. On a separate 100-point test, Paul managed to get 74 points. But when
1. 1 answer
2. 651 views
If the heights within a certain subpopulation of people are normally distributed with a mean of 180 centimeters and a standard
1. 1 answer
2. 1,075 views
If the heights within a certain subpopulation of people are normally distributed with a mean of 180 centimeters and a standard
1. 1 answer
2. 1,210 views
The scores on a personality test are normally distributed with a mean of 250 and a standard deviation of 30. What proportion of
1. 2 answers
2. 1,321 views
If a distribution of IQ test scores has a mean of 100 and a standard deviation of 16, what would be the result if we first
1. 1 answer
2. 1,685 views
Consider a square of side length a = 9.4 cm with charged particles at each of the corners.Three of the particles carry +9 nC of
1. 0 answers
2. 659 views
A 10 amp fuse is connected in series to 4 identical 5 ohm resistors in parallel with each other. What is the maximum size
1. 2 answers
2. 721 views
We find an electric field of magnitude E = 1.2 x 107 V/m across a particular nerve membrane.The potential difference between the
1. 1 answer
2. 523 views

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