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Krystal
Questions and answers by visitors named
Krystal
Questions (118)
For the period 1990-2002, the number s (in thousands)lf cellular telephone subscribers in the United States can be modified by
5 answers
2,808 views
Find the indicated term of the geometric sequence.
a1 = 7, a4 = 189/8 , 8th term
6 answers
2,194 views
Find the sequence of the first five partial sums
S1, S2, S3, S4, and S5 of the geometric sequence by adding terms. 9, 12, 16,
6 answers
6,901 views
I'm having trouble with this question on arc length:
y=lnx, (squareroot)3/3 greater than or equal to x less than or equal to 1 It
1 answer
616 views
this is considered to have asymmetrical carbons :ch3ch2ch(chlorine group is connected on bottom)Ch3
why isn't this one: ch3ch2ch
1 answer
392 views
I TOTALY NEED HELP..... i have to answer 4 questions in a paragraph or long enough to fully explain it....
the questions are 1)
1 answer
942 views
A 2.0 kg lunch box is sent sliding over a frictionless surface, in the positive direction of an x axis along the surface.
3 answers
649 views
Q: Tarzan, who weighs 688N, swings from a cliff at the end of a vine that is 18m long. From the top of the cliff to the bottom
3 answers
2,070 views
derive a fundamental equation that is used to determine the speed of a rocket.
This vague statement is bordering on the
1 answer
389 views
block 1 of mass 1 slides from rest along a frictionless ramp from height h=2.50m and then collides with stationary block 2,
1 answer
1,318 views
Which of the following are the numbers NOT in correct order from SMALLEST to LARGEST?
A.)-3.1, -3.5, 0, 0.7, 1.5 B.)-2.3, -1.5,
2 answers
676 views
I have an image but I can't post it because it is a website.
block 1 of mass m1 slides along an x-axis on a frictionless floor
1 answer
582 views
I need help with slope intercept form???????????????????????????
wait what don't you understand first of all with slope
1 answer
404 views
Does anyone know where i can find pictures of old clothing brands from the 90's?
Especially Eclipse Jeans, Spliffy Jeans, Naf Naf
1 answer
490 views
Write the equation for the reaction, if any, that occurs when each of the following experiments is performed under standard
1 answer
846 views
Is it incorrect to say "She is more funny than her sister"? I know you could say "funnier", but is more funny grammatically
1 answer
947 views
Our teacher asked, a few weeks ago, for us to find the pH of 7.65 E-11 M HClO3. We were told that we couldn't find the pH simply
1 answer
381 views
I'm reviewing my notes for a test tomorrow, and I found that I have a question concerning acids that under go multiple
1 answer
466 views
why does the hydrolysis of peptide bonds work best in the conditions: (Acid) M HCL @ 110-120 C 12-48 hours. Than the conditions:
1 answer
378 views
I got this homework assignment from my seventh grade teacher I don't understand how to do it. It is Classifying the States using
2 answers
499 views
where can i find instructions on how 2 design/make a rubber-band operated car?
1 answer
368 views
How tall in miles would a stack of 4.5 billion pennies be?
3 answers
966 views
If a major hurricane can generate 1.25 x 10 to the 19th power calories of energy per day, and this energy comes from
2 answers
777 views
Common stock $1.50 par, 1800 million shares issued.....................$2700
Capital in excess of par..........$8100 Retained
1 answer
469 views
What did Liza want from Higgins in the Pygmalion?
If Doolittle gets money from Higgins, then what does he say he will do? Is it
1 answer
477 views
Research the affects of the four types of punishment—retribution, deterrence, rehabilitation, and societal protection—in
2 answers
1,119 views
Is 120 > x-50 the correct answer to Jack and Jason drove a total of 120 miles to go to the same concert. Jack drove 50 miles
3 answers
431 views
How many immigrants does Canada need annually to prevent a decrease in its population? Please provide the source of the answer.
1 answer
259 views
What are 3 principles that are important to follow when managing change in a business?
1 answer
383 views
A radiologist is able to evaluate the movement of body organs. What type of radiological procedure is being used?
A. Ultrasound
1 answer
460 views
A patient had a radiogram performed. What does the root word indicate?
A. Same B. Luminous C. Ray D. Life My answer is C because
1 answer
410 views
Please unscramble this word "qrtueo" its for science
6 answers
407 views
A ball is attached to the moving end of the 5-meter arm of a pendulum. The pendulum swings through a 90 degree arc once. How far
3 answers
571 views
PLEASE help me.
y=log(x+1) a. Write the equation as an exponential equation and solve for x. b. Switch the variables in your
1 answer
461 views
suppose solute A has a partition coefficient of 4.0 between diethyl ether and water. Demonstrate that if 100mL of solution of
4 answers
2,439 views
One afternoon, a couple walks five-sixths of the way around a circular lake, the radius of which is 1.45 km. They start at the
2 answers
534 views
I need to balance this equation by redox reactions with half reactions method
NH4ClO4 + Al --> Al2O3 + AlCl3 + NO
3 answers
610 views
A 2kg ball is attached to a 1.5m rope and is swung in a vertical circle. At the top of the swing the ball travels at 5 m/s. What
1 answer
699 views
A 2kg block is subject to a 6-N and 8-N forces which are perpendicular to each other. what is the acceleration of the block.
1 answer
313 views
A car goes around an unbanked circular track with a radius of 500m. The coefficient of friction between the tires and the track
1 answer
465 views
A motorist traveling at 30 m/s passes a parked police car. At the instant the motorist passes the police car, the police car
4 answers
1,249 views
A projectile is fired from ground level with a speed of 40 m/s at an angle of 30 degrees and hits a building 100m away.
What is
2 answers
802 views
A 40kg block is pushed along a level surface with a 200 N force at an angle of 35 degrees below the horizon. The coefficient of
3 answers
624 views
A 700 kg car is pulled up a hill at a 10 degree hill with a 1500N force acting parallel with the hill, friction can be
1 answer
433 views
Two ships make the same voyage of 3000 nautical miles. The faster ship travels 10 knots faster than the slower one (a knot is 1
3 answers
1,115 views
Period:
Asymptotes: Range: a) y= 2 sec (x) + 1 b) y= -2 csc (x - pi/2) c) y= 1 + tan (x + pi/4) d) y= 1/2 + csc (x - pi) + 1 e)
3 answers
591 views
Simplify the following expression.
8 - 4[(5 + 2)2 - (23 + 4)]
3 answers
314 views
Both carboxylic acids and phenols react with strong bases to produce _____.
gaseous products the conjugate base of the carboxylic
4 answers
2,064 views
The radius of the base of a right circular cylinder is r com and the height is 2r cm. Find the rate at which the surface area of
1 answer
468 views
tammy leaves the office drives 50 km due north, then turns onto a second highway and continues in a direction of 32 degrees
3 answers
890 views
A rollercoaster travels 135ft at an angle of 58.7 above the horizontal. How far does it move horizontally?
1 answer
352 views
Instructions for building a buried treasure include the following: Go 872 paces at 167 degrees turn to 286 degrees and walk 135
1 answer
440 views
A 0.112 kg meterstick is supported at its 38.6 cm mark by a string attached to the ceiling. A 0.655 kg mass hangs vertically
1 answer
1,150 views
A 0.112 kg meterstick is supported at its 38.6 cm mark by a string attached to the ceiling. A 0.655 kg mass hangs vertically
1 answer
494 views
A 20.7 cm screwdriver is used to pry open a can of paint. If the axis of rotation is 2.25 cm from the
end of the screwdriver
3 answers
1,596 views
If I move to Texas, I will need air conditioning. I don't need air conditioning. So I didn't move to Texas" is an argument form
3 answers
455 views
0.1 mol of HCl is added to 1 L of water.
What is [H+] and [OH-]?
4 answers
2,232 views
What are [H+] and [OH-] for 0.01 M perchloric acid
2 answers
783 views
Under the “necessary and proper” clause, Congress may
1 answer
309 views
Create your own quadratic equation that has an axis of symmetry of x = −1 and whose graph opens down. Then find the vertex,
3 answers
657 views
Hello,
I always thought that sound was to loud when it hurts our ears or when sound vibration can make extremely loud noises. I
1 answer
503 views
I need to find x of the quadratic function y=-3/4x^2-4x-1 and keep getting (4)/(3/2). Is this right and if so, can it be
2 answers
940 views
I need to find x of the quadratic function y=-3/4x^2-4x-1 and keep getting (4)/(3/2). Is this right and if so, can it be
3 answers
294 views
I need to find x of the quadratic function y=-3/4x^2-4x-1 and keep getting (4)/(3/2). Is this right and if so, can it be
3 answers
282 views
I need to find x of the quadratic function y=-5/3x^2-x-4. I'm supposed to use the formula x=-b/2a. The negative sign only
1 answer
445 views
I need to find the vertex of the parabola y=9x^2+7 but I am confused on what to use for b. I know a=9 but am unsure if b=7. Does
9 answers
308 views
A woodland jumping mouse hops along a parabolic path given by y=-0.2x^2+1.3x where x is the mouse's horizontal position (in
5 answers
1,819 views
The arch of the Gateshead Millennium Bridge forms a parabola with equation y=-0.016(x-52.5)^2+45 where x is the horizontal
4 answers
2,276 views
What is broadband Internet Connection?
1 answer
437 views
What are the common nouns in these sentences? I think I have them right but I'm not sure. 1 is zone. 2 is steamboat. 3 is sister
4 answers
537 views
How would you solve 3x^2+8x-91=0 and 9r^2+4r+2=0 using the quadratic formula?
2 answers
712 views
A stunt motorcyclist makes a jump from one ramp 20 feet off the ground. The jump between ramps can be modeled by y= -1/640x^2 +
2 answers
666 views
For the equation y<or equal to -x^2+3x+10 I got the vertex (3/2, 67/4). Is this right?
4 answers
277 views
I have looked and looked for 4 examples of a standalone computer but I have only found two. They are a fax machine, and TiVo
3 answers
358 views
I need a map of South America countries that shows their mineral deposits in details. Can someone please give me a website?
5 answers
522 views
Does anyone know a good website that shows South American countries natural resources in detail?
4 answers
454 views
How do you get the real-number solutions of 5b^3 + 15b^2 + 12b = -36?
I get to (b+3)(5b^2 + 12) and I don't know what to do after
4 answers
507 views
At the ruins of Caesarea, archaeologists discovered a huge hydraulic concrete block with a volume of 945 cubic meters. The
6 answers
2,956 views
The owner's equity of Logan's company is equal to one quarter of the total assets. Liabilities equal $60,000. What is the amount
2 answers
622 views
A gas, Y, diffuses 1.05 times faster than SO2 gas at the same conditions. What is the molecular weight of gas Y?
3 answers
1,552 views
I'm doing a science experiment where I have to light an object on fire to do the experiment..
It can't be oil or electrical fire.
1 answer
415 views
Let c be a constant. For what values of c can the simultaneous equations x – y = 2; cx + y = 3 have a solution (x, y) inside
2 answers
561 views
Professor Merlin has asked you to help him. He has 100 total students in his four classes but he is not sure that all of them
1 answer
436 views
In how many ways is it possible to spend exactly $200 on pumpkins if large pumpkins cost $5 and small $3
3 answers
775 views
Find the largest positive integer that leaves the same remainder when divided into each of 889, 961, 1009, and 1189
3 answers
649 views
A simple calculation will reveal that 72 has 12 factors including 1 and 72. How many natural numbers less than 100 have 12 such
1 answer
417 views
Show that the equation 155x -465y 35 has no integer solutions
4 answers
852 views
Find the largest positive integer that leaves the same remainder when divided into each of 889, 961, 1009, and 1189
2 answers
500 views
Can someone please help me find a website? I am doing a project on Maple Syrup Urine Disease and need to find a website that
3 answers
587 views
How would you describe the pattern of this sequence?
2/3, 4/4, 6/5, 8/6, 10/7 The formula is 2n/n+2 where n is 1, 2, 3, 4, 5
4 answers
1,057 views
Which best describes how the internet has contributed to cultural diffusion in the united states?
2 answers
494 views
What happens to arterial PO2, PCO2, and H+ concentration during moderate excercise? How and why does this stimulate an increase
1 answer
477 views
An ant travels 2.78 cm (West) and then turns and travels 6.25cm (south 40 degrees East). What is the ant's total displacement?
3 answers
1,415 views
Add the two component vectors from Sample Problem 1 algebraically to erify that they equal the given vector
The two component
1 answer
460 views
Hello,
I am having a hard time in finding the prosecutors list of evidence in the The Prosecutor v. Callixte Mbarushimana case. I
1 answer
465 views
Hello,
I am having a hard time in finding the prosecutors list of evidence in the The Prosecutor v. Callixte Mbarushimana case. I
1 answer
419 views
Uniform motion Related Problem
Five boy scouts biked to Caliraya lake at 5 km/h. their scout master gave them a ride back home in
2 answers
534 views
Uniform Motion Related Problem
A car travelling at 60 kph left town at 9:00 a.m. Another car travelling at 65 kph left the same
2 answers
675 views
Uniform Motion Related Problem
Chester drove his car at 8:00 a.m. at speed of 45 km/hr. At 9:15a.m. Michael followed with his
1 answer
471 views
Uniform Motion Related Problem
Two cars, 210 km apart, met each other in 2 hours. If one car travelled at 60 kph, at what rate
2 answers
608 views
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