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Brooke
Questions and answers by
Brooke
, page 3
Questions (377)
What kind(s) of particles make up (a) gaseous compound (b) liquid compound (c) solid compound?
2 answers
1,157 views
Under what circumstances would you expect the shared electron pair to be equal distances on the average from each of the atoms
1 answer
490 views
Jane, looking for Tarzan, is running at top speed (6.2 m/s) and grabs a vine hanging vertically from a tall tree in the jungle.
4 answers
2,210 views
A 1000 kg car rolling on a horizontal surface has speed v = 55 km/h when it strikes a horizontal coiled spring and is brought to
2 answers
563 views
Assume the driver has a mass of 70.6 kg .
What horizontal force does the seat exert on the driver? Answer in units of N
2 answers
1,004 views
Suppose the ball is kicked horizontally with an initial speed of 9.37m/s. If the ball travels a horizontal distance of distnace
2 answers
553 views
Im working on a review booklet for Social Studies and theres a couple questions Im having problems with, my test is tomorrow so
4 answers
526 views
Here is the question ..
How did the Enlightenment contribute to the Industrial Revolution? A) People used technology to create
4 answers
1,126 views
The question is "Evaluate the effectiveness of this action"
The action was the government appologizing for Chinese Head Tax. Not
5 answers
964 views
A .5 kg block is sliding along a tabletop with an initial velocity of .20 m/s. It slides to rest in a distance of .7m. Find the
3 answers
1,170 views
A 1.5 N force acts on a .20 kg cart so as to accelerate it along a frictionless track. If it is accelerated from rest, how fast
2 answers
579 views
In an electronics factory, small cabinets slide down a 30 degree incline a distance of 16 m along the incline to the next
1 answer
1,139 views
A 15 kg model airplane flies horizontally at point A that is 20 m about point B. It has a speed of 19.993 m/s at point A. It
1 answer
681 views
The greatest source of presidential power is:
a. the power to remove members of Congress from office for violating their oath of
3 answers
579 views
Which of the following statements concerning the Twenty-fifth Amendment is incorrect?
a. It allows the vice president to serve as
2 answers
1,298 views
Water boils at _______ 01 Kelvin.
I put 373.15 but I don't know if it is right. Could someone please help me?
4 answers
415 views
The "Kingdom" is the most all inclusive taxonomic category True or False.
I think it is true but not sure
2 answers
740 views
In an experiment designed to measure the distance a golf ball is hit by clubs made of different material, a standardized
4 answers
2,783 views
(-3x^-2)^-3
How would I solve this problem?
1 answer
310 views
What does the term coving mean?
1 answer
289 views
A 0.25 g sample of lime (CaO) is dissolved in enough water to make 1487 mL of solution. Calculate the pH of the solution
2 answers
560 views
Calculate the pH of an aqueous solution containing 3.8 10-2 M HCl, 1.0 10-2 M H2SO4, and 3.3 10-2 M HCN.
1 answer
367 views
Got a question: On our class we have to write a research paper tracing the historical causation of a current event and the
3 answers
528 views
A current-carrying wire is placed in a uniform magnetic field, but there is no magnetic force on it. How is this possible?
1 answer
1,042 views
Write all possible quilibrium equations for KHP dissovled in water and then write the quilibrium constanst expressions for the
2 answers
565 views
Ben purchased 5 shirts for $12.95 each. How much sales tax will he pay if the tax rate is 6%?
7 answers
485 views
can you explain gametes and zygote of the kangaroo paw?
1 answer
348 views
How much heat is needed to change 4.5g of water at 10degrees celcius into steam at 150 degrees celcius?
1 answer
929 views
A record of travel along a straight path is as follows:
1. Start from rest with constant acceleration of 2.40 m/s2 for 14.0 s. 2.
2 answers
550 views
7. A cat pushes a ball from a 7.00 m high window, giving it a horizontal velocity of 0.20 m/s. How far from the base of the
3 answers
723 views
If a ball has an initial downward speed of 24 m/s, how far does the ball drop during the 4 s to 5 s interval?
1 answer
295 views
On some planet other than Earth a ball is thrown upward at a velocity of 22.3 m/s. It returns back to the exact position that it
1 answer
330 views
(9-4n)(-4)
1 answer
178 views
Jill made some cookies. Jill gave 1/4 of her cookies to Bob. Then Jill gave 1/2 of the remaining cookies to Joe. At this point,
3 answers
632 views
Find the equation of the tangent line to the graph of
4y^2− xy − 3 = 0, at the point P=(1,1)
1 answer
771 views
Using Werner Hesienbergs uncertainty principle
delta x >h/ (4pie*m*delta v) when mass of electron is 9.11x10^-31kg what is the
1 answer
639 views
Holly County needs a new county government building that would cost $24 million. The politicians feel that voters will not
2 answers
1,279 views
If eight 5p coins weigh 26g how much does three 5p coins weigh?
1 answer
329 views
What is the Affordable Care Act?
A. A program that allows people who are at lower risk for chronic diseases to gain free
3 answers
482 views
How to calculate the molarity of commercial bleach
1 answer
959 views
Would the following procedural errors result in an incorrectly high or low calculated percent NaOCl in commercial bleach
3 answers
2,652 views
Would the following procedural errors result in an incorrectly high or low calculated percent NaOCl in commercial bleach
1 answer
1,017 views
Which of the following nineteenth-century inventors is associated with Menlo park in New jersey A. Alexander Graham Bell B.
1 answer
440 views
W-8=26 w-8+_=28+_. W=
1 answer
220 views
R+11=19 r+11-_=19-_ r=_
4 answers
251 views
I am really confused.i don't understand.please help me figure this out
W-8=26 W-8+_=26+_ W=_
4 answers
309 views
Was 34 right?
1 answer
221 views
I don't understand how w-8+8=26+8.wouldn't the first blank be 0?
1 answer
248 views
On the second problem
r+11=19 r+11-_=19-_ r=_ Would it be R+11=30=19-11 R=8
5 answers
263 views
The profit (in millions of dollars) from the sale of x million units of Blue Glue is given by p= .7x-25.5. The cost is given by
1 answer
693 views
The profit (in millions of dollars) from the sale of x million units of Blue Glue is given by p= .7x-25.5. The cost is given by
2 answers
582 views
Greta says that the expression (2xa)+5 is the same as 2x(a+5). Is she correct?Why or why not?
10 answers
380 views
Ben conserves water in his home.He conserves 3 gallons each time he turns off the faucet when brushing his teeth.He conserves 30
1 answer
445 views
Write a situation that can be represented by 6n+4.
1 answer
326 views
Can you please help me?I think the first question I posted the answer is 3G+30
10 answers
645 views
A team has won 50% of the 60 games it played, find the number of games the team must win in succession to increase its winning
1 answer
411 views
Hi! I have 4 math questions! (:
1.) There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What
3 answers
558 views
Hi! Someone was helping me earlier with these but their explanation was hard to understand. Can someone ELSE help me? Thanka! :)
2 answers
539 views
In the multiplication problem at the right different letters stand for different digits, and ABC and DBC each represent a three
5 answers
371 views
do the equations y=2x+3 and x=1-2y have common solution, no common solution or infinitely many common solutions?
4 answers
896 views
Determine the final velocity of a medicine ball that is dropped from a height of 7.00 meters. (assume air resistance is
1 answer
477 views
Mercury poisoning is a debilitating disease that is often fatal. In the human body, mercury reacts with essential enzymes,
2 answers
1,086 views
Oops I left a part of the question out:
2. Mercury poisoning is a debilitating disease that is often fatal. In the human body,
2 answers
610 views
1.) Describe how the graphs of f(x) = |2x| and g(x) = -|2x| are related.
a.) All of these. b.) The graph of g(x) is a reflection
4 answers
2,391 views
A co-op student designed an experiment to collect hydrogen gas by reacting iron with a hydrochloric acid (HCl) solution. The
2 answers
594 views
Propane (C3H8) which is used as fuel in BBQ tanks often contains some butane(C4H10). A sample of a fuel mixture known to contain
3 answers
1,106 views
Samantha made 9800 mL of fruit punch for a party, and she served the fruit punch divided equally in 5 pitchers. Her guests drank
2 answers
630 views
A projectile is fired at 12.5 m/s at an angle of 53.1 with the horizontal from a point 75m above the ground.
A) How long does it
3 answers
695 views
A 0.0420-kg hollow racquetball with an initial speed of 18.3 m/s collides with a backboard. It rebounds with a speed of 7.4 m/s.
3 answers
1,118 views
If 3.79x1024 formula units (molecules) of hematite react with excess carbon, what mass of iron will be produced?
1 answer
448 views
How many moles of carbon are needed to react with 5.6 moles of hematite (Fe2O3)?
3 answers
883 views
A 200kg car is traveling at 50m/s on a level, circular track with radius 100m. What is the traction force required to keep the
2 answers
749 views
A penny is placed on a disk that is rotating at 2 revolutions per second. The coefficient of friction between the penny and the
3 answers
840 views
A car driving at 93m/s can stop in 75 m. What is the smallest radius the car can safely travel at the original velocity?
1 answer
352 views
A car driving at 99m/s can stop in 83 m. What is the smallest radius the car can safely travel at the original velocity?
1 answer
438 views
A 500 kg car experiences a frictional force of 3208 N while turning, if the car is traveling around a turn of radius 16 m what
2 answers
517 views
A point on a wheel rotating at 5revs/s is located 0.20m away from the axis. What is the centripetal acceleration?
a. 198m/s^2 b.
2 answers
1,136 views
Abby is swinging a ball on a string in a circle with a constant tension. Which of the following quantities is constant?
a.
3 answers
505 views
A child swings from a rope of length L. If she starts her swing with the rope horizontal what is her acceleration at the bottom
2 answers
823 views
A motorcycle has a mass of 250kg. It goes around a 13.7 m radius turn at 96.5 km/hr. What is the centripetal force?
a. 2.95x10^3
3 answers
1,527 views
A 500 kg car experiences a frictional force of 3080 N while turning, if the car is traveling around a turn of radius 17 m what
1 answer
418 views
mass rubber stopper = 0.07Kg
mass metal washers = 0.196Kg radius= 1.0m total time = 12 seconds # of revolutions = 10 revolutions
1 answer
483 views
mrubber stopper = 0.07Kg
mmetal washers = 0.196Kg radius = 1.0m total time = 12 seconds # of revolutions = 10 revolutions With
1 answer
369 views
In the formula d = rt, the time t varies inversely with the rate r. A student running at 5 miles per hour runs one lap around
2 answers
722 views
Solve the equation : 8^2x-1 = 16^x+1
i know you have to log both sides log8^2x-1 = log16^x+1 and then you use the exponential
2 answers
604 views
Martina heard the noise, but could not understand what was being said. Perhaps it was simply the humming of the machines that
2 answers
579 views
2. An example of literal description in the poem is (1 point)the sun brightening valleys.
an audience being moved by a speech.
28 answers
4,261 views
Trevor went to an amusement park where ride tickets cost $2.50 each. He plans to spend $15.00 on refreshments while at the park.
2 answers
564 views
Debs discount store is giving a 30% discount on everything in the store. what would you pay for the jacket regularly priced at
1 answer
440 views
the expression gives the area of a rectangle (x-4)(2x-3) what is the value of the equation when x=7
?
6 answers
422 views
A box of Cereal X contains 36 ounces and costs $ 4.99. A box of Cereal Z contains 30 ounces and costs $ 4.50. Which cereal is
4 answers
725 views
what is the volume of a cylinder with a radius of inches and a height of 6 inches ?
6 answers
900 views
Elisa surveyed people in her neighborhood about whether they would like to have a swimming pool in their community park. Of
7 answers
1,493 views
A printing company makes plastic banners 15 ft long by 6 feet wide. How many square meters is the banner? Use 1 foot=0.305meters
4 answers
1,909 views
A ball is thrown from the top of a building. It's height (y) in feet at any given time (x) in seconds is y=-16x^2+240. What is
2 answers
796 views
A projectile is launched from a platform 20 feet high with an initial velocity of 48 feet per second, The height h of the
2 answers
918 views
There are 12 pieces of fruit in a bowl.7 are apples 2 are peaches.What is the probability that a randomly selected piece of
6 answers
2,689 views
A truck whose bed is 2.5m long 1.5 m wide and 1.0 m high is delivering sand for a sand sculpture competition. About how many
4 answers
1,936 views
An airline know that,on average the probability that a passenger will not show up for a flight is 6%.If an airplane is fully
11 answers
1,641 views
Ronnie misses the school bus 1 out of every 30 school days. He sets up the proportion 1/30=180/x to predict how many days he
4 answers
1,275 views
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