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Laura
Questions (719)
Solve the equation: 125^r=5
1 answer
381 views
What is the inverse equation of f(x)=(x+2)/(x-1)?
1 answer
327 views
Draw a setup containing 3 gears. For every turn of the input gear, you need the output gear to spin 9 times. The drawing doesn't
0 answers
615 views
A 80 kg object slides at a 20 degree plane downward at 5m/s. An object 2 collides with object 1 by falling from 7 meter height
0 answers
489 views
how do I find the fluid force of a vertical semicircle that has been divided into three equal sectors of 60 degrees each. I know
0 answers
516 views
You are riding a 30 pound bicycle and you weigh 150 pounds. You are travelling at 20 miles per hour and fail to notice the 30
1 answer
463 views
Your teacher bumps into you in the hallway and knocks you down. After he apologizes, he asks you to figure out how fast he was
0 answers
439 views
A 200 pound go-kart with a speed of 20 miles/hour collides with a 2nd go-kart (that was at rest) and causes it to move at a
0 answers
387 views
A 10 pound bowling ball with a speed of 2.0 meters/second hits a 6 pound bowling ball. If the 10 pound bowling ball stops after
1 answer
544 views
A 200 man is running 3 miles per hour and collides with a 125 pound man. If the larger man transfers all of his momentum to the
0 answers
967 views
What is the speed (in m/s) of an object that has a mass of 2.5 kilogram and a momentum of 1,000 kg m/s?
0 answers
378 views
If a bowling ball is rolling at a speed of 1.5 meters/second and has a momentum of 10.0 kg m/s, what is the mass of the ball in
0 answers
497 views
Which has more momentum: a 45 gram golf ball travelling at 180 miles per hour or a 430 gram soccer ball travelling at 20 miles
1 answer
472 views
What is the momentum of a 100 kilogram football player moving with a speed of 3.5 meters/second. The units should be written as
1 answer
1,101 views
If you were in a car traveling 50 miles/hours, how many miles could you travel if you continued for 15 hours without stopping?
3 answers
443 views
If you were in a car travelling at 50 miles/hour, how many hours would it take to get to Miami, FL from Evansville, IN? Assume
2 answers
484 views
If the elevator were falling on the moon 9800 meters/second^2, what would the force be? (hint: you will need to look up the
1 answer
523 views
The Lamborghini Diablo sports car can accelerate from 0 kilometers/hour to 99.2 kilometers/hour in 4.0 seconds. What is the
2 answers
729 views
A car is accelerated at a rate of 2.5 meters/second^2. If the starting speed is 5.0 meters/second, how many seconds will it take
2 answers
467 views
A parachute on a dragster racing-car opens and changes the speed of a car from 85 meters/second to 45 meters/second. Of this car
2 answers
912 views
A boat, having an initial velocity of 6.6m/s east undergoes an average acceleration of 2.2 m/s squared south for 2.5 s.
1 answer
679 views
A particle moving uniformly along the x axis
is located at 17.9 m at 1.45 s and at 3.9 m at 2.7 s. Find its displacement during
1 answer
838 views
Calculus. Mary designed a new viewing window consisting of a rectangle and a semi circle for a fresh water aquarium. The window
0 answers
575 views
Calculus 2. Tom and Mike have a bet as to who will do the most work today. Mike has to compress a coil 200 feet. It takes Mike
0 answers
459 views
Calculus work problem. John bought the following corner lot. Two sides are bounded by 2 roads the back is bounded by a stream
1 answer
525 views
A person climbs from a Paris metro station to the street level by walking up a stalled escalator in 96.5 s. It takes 60.0 s to
1 answer
1,811 views
A ball is thrown from a point 1.38 m above the ground. The initial velocity is 19.9 m/s at an angle of 33.8° above the
1 answer
508 views
pH of:
2.50mL of 0.100M nitric acid added to 30mL of 0.200M potassium hydroxide Please show me working out :)
0 answers
375 views
What is the square root of -25?
Can you please write out the steps of finding it?
1 answer
360 views
how many "particles in solution" will form from each sucrose (C12H22O11) molecule added to water? Explain.
I don't understand
3 answers
9,454 views
x/2 + 11 = -25
x/4 - 5 + 13
1 answer
264 views
28a^11b^7 divided by 4a^3b^2
0 answers
355 views
I am writing an essay about James Baldwin's Go Tell It on the Mountain, but the essay prompt asks me to disagree or agree with
1 answer
1,080 views
My son is in Kindergarten and I have no idea about the "Counters" in the question:
1st) Cover the teddy bears in the top row with
6 answers
1,310 views
-2(t-7)-(t+8)=8
1 answer
275 views
You invent a new system to make excellent racing tires for the Indianapolis 500/ Your tires are good for an average of 105
3 answers
545 views
My professor never teach us this kind of question before. I don't know why she put this question as a homework since she doesn't
2 answers
823 views
This question I really don't get it. I tried tried tried to figure out how to start solve the problem but still couldn't figure
5 answers
2,138 views
According to the doctrine of supply , the amount________ will increase as the _________decreases. I'm stuck on this question. I
1 answer
443 views
The region in the first quadrant enclosed by the coordinates axes, the line x=pi, and the curve y= cos(cosx) is rotated about
2 answers
2,141 views
The average value of a continuous function f(x) on the closed interval [3,7] is 12. Whats the value of ∫ from [3,7] f(x) dx?
1 answer
3,917 views
In a ____________, consumers ultimately decide what should be produced
2 answers
405 views
I need to state the period and 2 consecutive asymptotes on the graph for the following questions.
1: y = -3 tan pi*x period: pi
2 answers
1,055 views
The point, in on the terminal side of an angle in standard position find the exact value of the six trigonometric functions of
1 answer
1,007 views
Your health care organization has called upon you to lead a work team to identify service-quality problems within the
4 answers
720 views
If the grades on a police entrance exam are normally distributed with a mean of 100 and a standard deviation of 15, what
1 answer
650 views
write an equation of a cosine function with Amplitude=1/2, Period=6pi, and Phase Shift=pi/3?
0 answers
582 views
Two numbers have a product of 3 1/5 and a sum of 3 3/5. One of the numbers is a whole number. Find the numbers.
1 answer
539 views
I did a back titration with an unknown carbonate and using the average % carbonate (by mass) which I found to be 27.40% and
3 answers
1,473 views
The drawing shows two fully charged capacitors (C1 = 7 µF, q1 = 4 µC; C2 = 16 µF, q2 = 4 µC). The switch is closed, and
3 answers
1,000 views
Assuming that it takes 0.10 s for the driver to react before applying the brakes, what is the stopping distance (the distance
3 answers
1,244 views
Explain how you would prepare this solution from powdered reagents and whatever glassware you needed:
3.0 L of 1.3 M NaOH
1 answer
453 views
Explain how you would prepare this solution from powdered reagents and whatever glassware you needed:
3.0 L of 1.3 M NaOH
1 answer
430 views
Explain how you would prepare this solution from powdered reagents and whatever glassware you needed:
3.0 L of 1.3 M NaOH
1 answer
479 views
Explain how you would prepare this solution from powdered reagents and whatever glassware you needed:
3.0 L of 1.3 M NaOH
1 answer
453 views
You have a fair die. The die has a 2 on two sides, a 4 on two sides and a 6 on two sides. Note: the only possible outcomes for
1 answer
892 views
A bucket has 3 blacks and 7 red balls.
(a) What is the probability of drawing a black fall on the first draw? (my answer - 3/10 x
1 answer
1,779 views
I need to compare and contrast quality management at two organizations in the same industry. One organization must compete in
3 answers
594 views
if (0,-7) lies on the terminal side of angle theta in standard position, find each value sec(theta) , cot(theta) and sin(theta)
1 answer
1,104 views
A student wants to buy 3 CDs, but assume that there are 6 CDs featuring the piano,
4 CDs featuring the trumpet, and 7 CDs
3 answers
1,360 views
If the first World Series occurred in 1903 and the Yankees have played in 36 Series as of 2006, what percent of the Series have
0 answers
490 views
If the first World Series occurred in 1903 and the Yankees have played in 36 Series as of 2006, what percent of the Series have
2 answers
1,176 views
One day is 86,400 seconds. Express this number in scientific notation and estimate how far the sun's light travels i a day.
4 answers
5,971 views
A coin was flipped 60 times and came up heads 38 times.
(a) At the .10 level of significance, is the coin biased toward heads?
0 answers
630 views
Apply the rule (1.5x,1.5y)to the verticies of triangl ABC (0,2)=A (6,2)=B (4,4)=C to get triangle PQR
4 answers
1,265 views
14.4. Estimate low and high find product
X6.2 ______
1 answer
423 views
Can you give me a 6th grade sentence using the word calico,and a sentence using the word bravado please! ! !
1 answer
906 views
A famous detective was called in to solve a baffling murder mystery. He determined there was only one cause of death along with
0 answers
626 views
what is the torque generated to hold a 60N dumbell at 90 degrees? The dumbell is 0.6m from the shoulder, the centre of the mass
0 answers
432 views
A wrench falls out of the gondola of a balloon that is 520 m above the ocean.
Assuming negligible air resistance, what was the
2 answers
638 views
3/4 of a number is 1/2. Find the number in the lowest terms... please show work I am confused
3 answers
504 views
Please help....struggling with word problems and please explain how to get the answer....
Max has a collection of 210 coins
1 answer
797 views
A ball rolls off a table moving 3.6m/s in the horizontal direction. The table is 1.2 meters high. Find the amount of time needed
1 answer
1,007 views
Can someone give me an example of due diligence in human resources
1 answer
395 views
Jack is decorating for a party. He has 125 feet of paper streamers to use over 3 doorways. He will use the same amount for each
2 answers
394 views
if one mole of gas occupies 22.4L at STP what is the volume at 25 degress C. and 3.05 atmosphere?
1 answer
470 views
A truck is stopped at a stoplight. When the light turns green, the truck accelerates at 2.5 m/s squared. At the same instant, a
2 answers
7,919 views
I am having trouble balancing the following equation using the Ion-Electron Method.
Se(solid) + HNO3(aqueous) ----> SeO2(solid) +
1 answer
677 views
Two trains face each other on adjacent tracks. They are initially at rest, and their front ends are 50 m apart. The train on the
1 answer
1,989 views
A bus accelerates at 1.4 m/s2 from rest for 10 s. It then travels at constant speed for 26 s, after which it slows to a stop
1 answer
2,488 views
How does technology improve our ability as health care organizations to market ourselves in our communities
0 answers
390 views
x^3+216
1 answer
347 views
What was the most important foreign policy goal of the United States between 1945 and 1990?
1 answer
533 views
Why did some senators oppose the participation of the U.S. in the League of Nations following World War I?
1 answer
700 views
Why did imperialism become popular again during the last quarter of the 19th century?
1 answer
591 views
a) Use the standard reduction potentials table to balance the following redox equation:
H2O2 + I + H = H2O + I2 b) Balance the
6 answers
1,182 views
This question is really making me upset i just can't get the answer right. i've tried so many times.
If someone could help it
3 answers
689 views
Although not considered high in reliability or validity, this type of psychological assessment, if used correctly and by
5 answers
617 views
i have another one i can't get the write answer for...
Calculate the pH of the colution that results when 27.38 mL of 0.15 M
1 answer
451 views
Just keep getting different answers when i review this, i can't seem to get the correct one.
Calculate [H3O] and [OH] for a
1 answer
378 views
A pen placed 13.0 cm from a concave spherical mirror produces a real image 13.5 cm from the mirror.
a) What is the focal length
0 answers
740 views
With an average acceleration of −2.2 m/s^2,
how long will it take a cyclist to bring a bicycle with an initial speed of 14.5
1 answer
3,089 views
i have another one i can't get the write answer for...
Calculate the pH of the colution that results when 27.38 mL of 0.15 M
0 answers
413 views
Just keep getting different answers when i review this, i can't seem to get the correct one.
Calculate [H3O] and [OH] for a
0 answers
364 views
Identify leaders of the Civil Rights and Black Power movements and their contributions to their respective causes.
0 answers
471 views
This is the questions I have trouble with :
Set up (do not evaluate) the integral that gives the surface area of the surface
3 answers
534 views
Teeth and bones are composed, to a first approximation, of calcium phosphate, Ca3(PO4)2(s). The Ksp for this salt is 1.3 10-32
1 answer
1,108 views
Magnesium fluoride dissolves in water to the extent of 8.0 10-2 g/L at 25°C. Calculate the solubility of MgF2(s) in moles per
1 answer
937 views
A man jogs along at 1.2 m/s. His dog, playing 36 m behind him, waits for 5 s, then takes off after him at 3.1 m/s.
How far apart
1 answer
545 views
A man jogs along at 1.2 m/s. His dog, playing 36 m behind him, waits for 5 s, then takes off after him at 3.1 m/s.
How far apart
2 answers
1,265 views
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