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Ryan
Questions and answers by
Ryan
, page 5
Questions (766)
How many total faces,edges, vertices does a square pyramid have?
2 answers
774 views
Imagine that a hypothetical life form is discovered on our moon and transported to Earth. On a hot day, this life form begins to
4 answers
5,464 views
The term mole is used in chemistry to define an amount of a substance. For example, a mole of glucose, blood sugar, weighs
3 answers
621 views
A guitar string has a tension of 100 N and is supposed to have a frequency of 110 Hz. When a standard tone of that value is
2 answers
766 views
Trang has a paper for an art project that is 7 inches wide and 9 inches long. She wants to decorate it with a piece of string.
1 answer
357 views
What is another way to figure out the area of a complex figure?
1 answer
339 views
What is another way to figure out the area of a complex figure?
3 answers
662 views
How much acid is needed to neutralize a 5L solution with a pH of 12.5. The acid
available is 1 N HCL.
1 answer
374 views
Adam wants to compare the fractions 3/12, 1/6, and 1/3. He wants to order them from least to greatest and rewrite them so they
4 answers
899 views
Adam used 3/12, 1/6, and 1/3 to make a circle graph and colored each a different color. What fraction of the graph is not
2 answers
1,017 views
Chris deposited $1,500 in a bank account for 2 years. The account earned $120.00 in simple interest. What simple interest rate
1 answer
476 views
A certain reaction has an activation energy of 25.65 kJ/mol. At what Kelvin temperature will the reaction proceed 5.50 times
1 answer
373 views
After sales tax is added the total cost of 58.00 dollars purchade is 61.48 dollars What is the sales tax rate on the purchase?
Th
6 answers
524 views
You have 192 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side along the
3 answers
935 views
Emma solved this expression.
(15 - 13) x 6 = 1 2 x 7 14 What was her error? Explain.
1 answer
331 views
15 - (2 x 2) x 3
1 answer
196 views
Need help with this problem. Please show me how to work this one:
The level of inventory of a manufactured product has increased
2 answers
532 views
What volume does 3.01 x 10^21 molecules of N2 occupy at STP?
4 answers
3,215 views
An unknown amount of gas occupies 30.0 L at 2.1 atm and 298K. How many moles does the sample contain? What is the mass if the
2 answers
590 views
If N2 is added to a balloon that contains O2 (partial pressure 450 mm Hg) and CO2 (partial pressure 150 mm Hg) to give a total
1 answer
801 views
How much energy in kilocalories is needed to vaporize 255g of water? The heat of vaporization of water is 540 cal/g.
3 answers
1,458 views
How many liters are in .005 moles?
1 answer
250 views
Using the given boiling points, predict which compound has the higher vapor pressure at a given temperature.
A. ethanol (C2H6O,
2 answers
1,213 views
If N2 is added to a balloon that contains O2 (partial pressure 450 mm Hg) and CO2 (partial pressure 150 mm Hg) to give a total
3 answers
1,084 views
An unknown amount of gas occupies 30.0 L at 2.1 atm and 298K. How many moles does the sample contain? What is the mass if the
1 answer
1,226 views
How many times larger is a cube than a pyramid with the same base?
1 answer
161 views
How many times larger is a cube than a pyramid with the same base?
2 answers
192 views
during landing the leg is subjected to a vertical load of 10,000N, and a drag load 3000N,
1 answer
388 views
The median score on a test is 90. Is it possible to add two more scores to the data and still have a median score of 90? Explain
1 answer
352 views
Adam wants to compare the fractions 2/5, 1/6, and 1/3. He wants to order them from least to greatest and rewrite them so they
3 answers
525 views
Consider the function f(x)=4(x−3^2/3. For this function there are two important intervals: (−�‡,A) and (A,�‡) where A
1 answer
461 views
Which ore could produce a metal you would like to wear? Why?
3 answers
478 views
Three forces act on a hockey pick as it slides across the ice; the normal force N represents the force the ice exerts upward on
1 answer
597 views
15. Given ensuing information, determine the least cost and the least cost mix of on-
and off-shore pipe. • • • • The
3 answers
773 views
Use the Midpoint Rule with n =3 to approximate the integral
�ç−1−8(10x−9x2)dx
1 answer
515 views
How do I write case logic pseudocode and visual logic nested if-then-else flow charts for atm check balances, making remote
2 answers
1,077 views
Solve: f(x)=7x^6=1
1 answer
226 views
I have looked high and low to figure out how to start this question. I have no clue! Any help would be great!!
Rainbows are
1 answer
498 views
In the Federal Trade Commission (FTC) \Price Check" study of electronic checkout scanners, the
FTC inspected 1,669 scanners at
1 answer
449 views
A 170 kg astronaut (including space suit) acquires a speed of 2.75 m/s by pushing off with his legs from a 2400 kg space
1 answer
462 views
A jogger follows this route every morning. Assume each segment is a straight line.
A= 1000m due south B= 500m at 53 degrees east
2 answers
555 views
What reagents will separate, isolate, and purify 50% phenanthrene, 40% methyl 4-aminobenzoate, and 10% 1,4-dibromobenzene?
The
2 answers
738 views
A vintage sports car accelerates down a slope of θ = 16.6°. The driver notices that the strings of the fuzzy dice hanging from
2 answers
754 views
A cart of mass
m1 = 12 kg slides down a frictionless ramp and is made to collide with a second cart of mass m2 = 19 kg, which
2 answers
549 views
A cart of mass
m1 = 12 kg slides down a frictionless ramp and is made to collide with a second cart of mass m2 = 21 kg, which
1 answer
524 views
The weight of a bag of corn chips is normally distributed with a mean of 22
ounces and a standard deviation of 0.5 ounces. -The
4 answers
4,343 views
A nuclear reactor for producing neutron beams is refuelled with about 10 kg
of uranium, which contains initially 90% of the
1 answer
395 views
A nuclear reactor for producing neutron beams is refuelled with about 10 kg
of uranium, which contains initially 90% of the
1 answer
503 views
A thermal neutron beam of intensity 1 to the power 11, neutrons/sec is directed for 2 days into a cavity in a block of cobalt
1 answer
418 views
How many grams are in 3CuCl2
1 answer
452 views
How many grams are in 3CuCl2
1 answer
295 views
Harry and Sally were divorced three years ago. In July of the current year, their son, Joe, broke his arm falling out of a tree.
1 answer
707 views
Find c > 0 such that the area of the region enclosed by the parabolas
y=x^2-c^2 and y=c^2-x^2 is 13.
2 answers
502 views
Ill be concise:60% of people in survey had income greater than 25k, 40% under 25k. Further, same survey, 70% have exactly 2
1 answer
443 views
A car travels around a circular turn of radius 50 meters while maintaining a constant speed of 15 m/s.
Find the minimum value for
2 answers
617 views
Suppose Meagan needs to drive the truck 10 miles to her new home.
a) What is the cost of using Truck A? b) What is the cost of
4 answers
2,138 views
At 1 atm, how much energy is required to heat 35.0 g of H2O(s) at –12.0 °C to H2O(g) at 127.0 °C?
2 answers
549 views
At 1 atm, how much energy is required to heat 35.0 g of H2O(s) at –12.0 °C to H2O(g) at 127.0 °C?
2 answers
508 views
At a given temperature O2 molecules will move (3/2)1/2 faster than O3 molecules on the average.
True or False? I'm not sure if it
4 answers
663 views
An object moving along a horizontal track collides with and compresses a light spring (which obeys Hooke's Law) located at the
4 answers
2,515 views
10. Which of the following sentences should not be used in "I" messages? (Choose 2)
A) You make me feel humiliated when you
2 answers
500 views
Your potato gun has a muzzle velocity of 34 m/s. You want to shoot a potato and have it strike the ground 2.4 seconds later. At
1 answer
474 views
A person stands on a bathroom scale on a motionless elevator. When the elevator begins to move, the scale briefly reads 200
1 answer
823 views
Find the area between the curves y= x^2/2 +2 and y = –x – 3 on the interval –4 ≤ x ≤ 4.
I got 40/3 is that correct?
4 answers
902 views
In The Space Before Each of the Following items, place a C if the capitalization is correct, a zero (0) if it is incorrect. Then
4 answers
710 views
How long will it take a watch dropped from a bridge (20.3 meters above the water) to hit the water?
1 answer
455 views
CIE and NIE for 2 K3PO4 + 3 Fe(NO3)2 = 6 KNO3 + Fe3(PO4)2
2 answers
492 views
SO2(g) + H2O(l)= H2SO(l)
What mass of sulfur dioxide is needed to prepare 36.86 g of H2SO3(l)
4 answers
4,741 views
CIE and NIE for 2 K3PO4 + 3 Fe(NO3)2 --> 6 KNO3 + Fe3(PO4)2
2 answers
679 views
Complete ionic equation and net ionic equation for 2 K3PO4 + 3 Fe(NO3)2 --> 6 KNO3 + Fe3(PO4)2
3 answers
2,289 views
The National Center for Health Statistics reported that of every 894 deaths in recent years, 25 resulted from an automobile
4 answers
516 views
A survey of top executives revealed that 37% of them regularly read Time magazine, 21% read Newsweek and 38% read U.S. News &
1 answer
604 views
You take a trip by air that involves three independent flights. If there is an 67% chance each specific leg of the trip is on
3 answers
917 views
A survey of top executives revealed that 37% of them regularly read Time magazine, 21% read Newsweek and 38% read U.S. News &
2 answers
565 views
You take a trip by air that involves three independent flights. If there is an 67% chance each specific leg of the trip is on
3 answers
588 views
An accelerated life test on a large number of type-D alkaline batteries revealed that the mean life for a particular use before
7 answers
1,871 views
The claim that "38% of those persons who retired from an industrial job before the age of 60 would return to work if a suitable
1 answer
418 views
Based on the Nielsen ratings, the local CBS affiliate claims its 11 p.m. newscast reaches 41% of the viewing audience in the
2 answers
863 views
Two radar stations are 50 miles apart. Both are tracking the same plane. At this moment, the angle between station 1 and the
2 answers
709 views
Even if you know only some of them please help!
1. Give a proof of the following: (∀F)( (P)( [ιxGx][Px] ⊃ F(P) ) ⊃ F(G))
3 answers
761 views
an electron is sitting 10cm away from a small object -5nc it is let go and moves away from the charged object when it reaches a
1 answer
802 views
Compare and contrast European colonization of the Americas in the 16th and 17th centuries with European colonization of Africa
1 answer
1,013 views
At a certain temperature, Keq is 4.13 x 10^-5 for the equilibrium:
2IBr(g) ↔ I2(g) + Br2(g) Assume that the equilibrium is
3 answers
1,088 views
A coin with a diameter of 1.90 cm is dropped on edge onto a horizontal surface. The coin starts out with an initial angular
2 answers
514 views
find the maclaurin series for: f(x) = (1-3x)^-5. What is the radius of convergence?
2 answers
548 views
use the simpsons rule with n=10, arc length y=^3sqaure root x, for 1<=x<6
1 answer
346 views
Find each unit rate. Round to the nearest hundredth if necessary.
5 pounds for $ 2.49
5 answers
1,865 views
Find each unit rate. Round to the nearest hundredth if necessary.
357 miles in 6.3 hours
5 answers
1,189 views
Suppose the total area under the curve y=x^2-mx+1 from 0 to 5 is 11.3024. Find m.
I know that this means that i need to find the
4 answers
408 views
Suppose the area under the curve y=xe^(-mx) from 0 to 1 is 0.4. Find m.
1 answer
465 views
A boy is flying a kite on a string 33m long. The string which is being held at 1.5m above the ground, makes an angle of 39* with
2 answers
1,261 views
Find the other endpoint given the first endpoint and the midpoint A = (3, 5) B = (5, -11) find C
1 answer
408 views
Find the distance between points (6, 16) and (–1, 14) to the nearest tenth
5 answers
1,154 views
Conditional statement based on a Venn diagram 2 circles: large circle says quadrilaterals smaller inner circle says squares
If a
2 answers
1,183 views
A pulley system on a pier is used to pull boats towards the pier for docking. Suppose that a boat is being docked and has a rope
2 answers
674 views
A bright light on the ground illuminates a wall 12 meters away. A man walks from the light straight toward the building at a
2 answers
555 views
An inverted conical tank is being filled with water, but it is discovered that it is also leaking water at the same time. The
3 answers
1,017 views
A marine biologist is testing a new under water probe. The probe is catapulted from the ship into the air, descends under water
4 answers
1,883 views
The ratio of apples to oranges is 4:5. I have 200 apples and oranges total. How many are apples?
3 answers
909 views
) A car dealership advertises a 15% discount on all its new cars. In addition, the
manufacturer offers a $1000 rebate on the
4 answers
1,281 views
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