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Kelsey

Questions (314)

For a given right triangle, angle A = 61± and side b = 39 feet. What is the length of side a to the nearest foot?
1. 1 answer
2. 708 views
For a given right triangle, angle A = 61± and side b = 39 feet. What is the length of side a to the nearest foot?
1. 0 answers
2. 370 views
For a given right triangle, side a = 76.4 feet and side b = 39.3 feet. What is the length of side c to the nearest tenth of a
1. 0 answers
2. 790 views
For a given right triangle, side a = 76.4 feet and side b = 39.3 feet. What is the length of side c to the nearest tenth of a
1. 0 answers
2. 549 views
For a given right triangle, angle B = 46 degrees and side c = 30 feet.What is the measure of angle A to the nearest degree?
1. 2 answers
2. 621 views
For a given right triangle, side a = 490 feet and side b = 960 feet. What is the measure of angle B to the nearest degree?
1. 0 answers
2. 663 views
For a given right triangle, side a = 400 feet and side b = 900 feet. What is the measure of angle B to the nearest degree?
1. 1 answer
2. 739 views
For a given right triangle, angle A = 61± and side b = 39 feet. What is the length of side c to the nearest foot?
1. 0 answers
2. 476 views
For a given right triangle, side a = 400 feet and side b = 900 feet.What is the measure of angle A to the nearest degree?
1. 1 answer
2. 589 views
For a given right triangle, angle B = 46 degrees and side c = 30 feet.What is the length of side b to the nearest foot?
1. 2 answers
2. 724 views
For a given right triangle, side a = 76.4 feet and side b = 39.3 feet. What is the measure of angle A to the nearest degree?
1. 0 answers
2. 1,319 views
A(n) 685 N man stands in the middle of afrozen pond of radius 14.6 m. He is unable to get to the other side because of a lack of
1. 0 answers
2. 569 views
A(n) 685 N man stands in the middle of afrozen pond of radius 14.6 m. He is unable to get to the other side because of a lack of
1. 0 answers
2. 516 views
Part 1A pitcher claims he can throw a 0.167 kg baseball with as much momentum as a 2.43 g bullet moving with a speed of 87735
1. 0 answers
2. 521 views
If .237 mol of ammonia react with 56g of iodine, how much Nitrogen triiodid, in grams, is produced?
1. 0 answers
2. 401 views
A block of mass 3m is placed on a frictionless horizontal surface, and a second block of mass m is placed on top of the first
1. 0 answers
2. 1,295 views
1. Which of the following quotations is the best example of a paradox?(1 point)“I’ll drain him dry as hay. . . ” “Lesser
1. 7 answers
2. 4,693 views
Find the value of y for a given value of x, if y varies directly with x.If y = –252 when x = 84, what is y when x = 74?
1. 4 answers
2. 5,205 views
A speeding car is traveling at a constant 30.0 m/s when it passes a stopped police car. The police car accelerates at 7.0 m/s^2.
1. 1 answer
2. 2,130 views
A speeding car is traveling at a constant 30.0 m/s when it passes a stopped police car. The police car accelerates at 7.0 m/s^2.
1. 0 answers
2. 1,191 views
What are the first, second, and third frequencies audible from a 20 cm long organ pipe when (A) only one end is open and when
1. 0 answers
2. 750 views
16. Find the distance between P (–2, 5) and the line with equation x – 3y + 4 = 0. (1 point)17(sqrt10)/ 10 0 -17(sqrt10)/ 10
1. 1 answer
2. 703 views
16. Find the distance between P (–2, 5) and the line with equation x – 3y + 4 = 0. (1 point)17(sqrt10)/ 10 0 -17(sqrt10)/ 10
1. 0 answers
2. 756 views
7.) Write the equation 3x + 4y – 7 = 0 in normal form.3/5x + 4/5y + 7/5 = 0 -3/5x - 4/5y - 7/5 = 0 -3/5x - 4/5y + 7/5 = 0 ~
1. 2 answers
2. 1,670 views
1.) Find an expression equivalent to sec theta sin theta cot theta csc theta.tan theta csc theta sec theta ~ sin theta 2.) Find
1. 5 answers
2. 5,280 views
1. Which expression is equivalent to cos 2theta for all values of theta ?cos^2 theta – sin^2 theta ~ cos^2 theta – 1 1 – 2
1. 1 answer
2. 1,397 views
1.) Find an expression equivalent to sec theta sin theta cot theta csc theta.tan theta csc theta sec theta ~ sin theta 2.) Find
1. 1 answer
2. 1,012 views
The grindstone, in the shape of a solid cylinder, weighs 80.0 kg, and has a radius of 0.320 m. The coefficient of friction
1. 0 answers
2. 631 views
The grindstone weighs 80.0 kg, and has a radius of 0.320 m. The coefficient of friction between the axe and the stone is mk =
1. 0 answers
2. 539 views
If an object is thrown vertically upward with an initial velocity of v, from an original position of s, the height h at any time
1. 1 answer
2. 827 views
The formula for the volume of a cylinder is: V=πr^2*h If the volume is 432 cubic inches and the height is 8 inches, solve for
1. 4 answers
2. 634 views
Hi! Can you help me with this problem please? thank youu :DThe problem is: The figure consists of a square with 4 half circles
1. 1 answer
2. 495 views
Let R be the region bounded by the x-axis and the graph of y=6x-x^2 Find the volume of the solid generated when R is revolved
1. 2 answers
2. 2,210 views
I need help ASAP!Colligative Properties- Ethylene glycol (C2H6O2) is the principal ingredient in antifreeze. How many grams of
1. 1 answer
2. 1,900 views
a person attaches a 25kg hay bale to one end of a rope passing over a frictionless pulley connected to a beam in the hay barn.
1. 1 answer
2. 725 views
I know I posted this but you didn't answer! Please help!!!!Consider the following reaction at 298 K: C(graphite) +2Cl2 (g)
1. 8 answers
2. 1,060 views
Consider the decomposition of a metal oxide to its elements, where M represents a generic metal.M203(s)---> 2M(s) + 3/2 O2(g)
1. 10 answers
2. 13,312 views
Consider the following reaction at 298 K:C(graphite) +2Cl2 (g) -----> CCl4(l) Calculate the following quantities. Delta H: -139
1. 5 answers
2. 1,521 views
A 2.95 kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0330 m. The spring has
1. 1 answer
2. 1,067 views
A baseball is thrown from the roof of a 22.3 m tall building with an initial velocity of 13.1 m/s and is directed 50.9 degrees
1. 1 answer
2. 1,208 views
Express this ratio as a unit rate$2.40 per dozen
1. 1 answer
2. 366 views
A contactor is making preparations to re-tile the border around a swimming pool. The pool measures 60 feet by 30 feet. The
1. 1 answer
2. 602 views
John wants to put a lace edge around a square piece of cloth. If the cloth is 4 inches wide on one side, how long of a piece of
1. 1 answer
2. 440 views
Use your value for the heat of neutralization, ∆H, -9490, to determine the amount of heat evolved when 10.00mL of 0.4091 M HCL
1. 0 answers
2. 486 views
The standard enthalpy of formation of Al3-(aq) is -538.4kJ/mol. How much heat is evolved when 0.3724 g of Al(s) reacts with
1. 3 answers
2. 448 views
find the second derivative of f(x)=3/(x^2+12)
1. 3 answers
2. 317 views
when rounding to the nearest cent does it have to be to right or left or does it matter?
1. 1 answer
2. 367 views
What does a boy who likes to play with switches do?
1. 6 answers
2. 2,529 views
Given f"(x)=-25sin(5x)and f'(0)=0 and f(0)=4.Find f(pi/2)
1. 1 answer
2. 969 views
A solid cylindrical disk has a radius of 0.18 m. It is mounted to an axle that is perpendicular to the circular end of the disk
1. 2 answers
2. 1,263 views
planet orbits a star once every 2.84 10^7 s in a nearly circular orbit of radius 1.42 10^11 m.(a) With respect to the star,
1. 0 answers
2. 958 views
Two children hang by their hands from the same tree branch. The branch is straight, and grows out from the tree trunk at an
1. 0 answers
2. 989 views
The shaft of a pump starts from rest and has an angular acceleration of 3.40 rad/s2 for 11.0 s.(a) At the end of this interval,
1. 1 answer
2. 992 views
A 220 N crate is pushed along the ground with a horizontal force. The coefficient of kinetic friction is 0.21 and the
1. 1 answer
2. 630 views
The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires a gun,
1. 4 answers
2. 2,372 views
a baseball (m = 153 g) approaches a bat horizontally at a speed of 41.0 m/s (92 mi/h) and is hit straight back at a speed of
1. 2 answers
2. 1,236 views
A projectile of mass 0.550 kg is shot straight up with an initial speed of 22.0 m/s.(a) How high would it go if there were no
1. 1 answer
2. 711 views
A rectangular sheet of paper of width a and length b, where 0<a<b, is folded by taking one corner of the sheet and placing it at
1. 1 answer
2. 1,426 views
An object is originally moving at 13 m/s at the top of a frictionless, quarter-circular ramp with a radius of R = 13 meters. It
1. 0 answers
2. 652 views
An object is thrown straight upwards from the ground at 28 m/s. Due to air resistance (a non-conservative force), the object
1. 1 answer
2. 628 views
A bicyclist is coasting straight down a hill at a constant speed. The mass of the rider and bicycle is 55.0 kg, and the hill is
1. 2 answers
2. 2,537 views
Use the spelling words in the boxes below to complete the story. Then use proofreading marks to correct mistakes in the use of
1. 1 answer
2. 476 views
A trough is 12 feet long and 3 feet across at the top. It ends are isosceles triangles with a height of 3 feet. If water is
1. 2 answers
2. 3,268 views
How many grams of formaldehyde, H2CO, are in 500 ml of a 40% solution of formaldehyde in water? (Assume for this problem that
1. 1 answer
2. 604 views
How many grams of sodium were isolated from the decomposition of 0.0292 moles of Na2O, if the reaction occurred with a 44.9%
1. 0 answers
2. 491 views
How many molecules of NH3 could be generated from 64 molecules of N2 and 210 molecules of H2? How many molecules of N2 and H2
1. 0 answers
2. 493 views
How many molecules of NH3 could be generated from 64 molecules of N2 and 210 molecules of H2? How many molecules of N2 and H2
1. 0 answers
2. 1,205 views
Hi, I am needing help with the following question.How long would it take to produce 150 kW with 780 J of energy? (make sure you
1. 3 answers
2. 355 views
A small ferryboat is 4.00 m wide and 6.00 m long. When a loaded truck pulls onto it, the boat sinks an additional 4.80 cm into
1. 1 answer
2. 475 views
1.¿Tienes que hacer mucha tarea hoy?Sí, tengo que hacer mucha tarea hoy. 2.¿Cómo vas al parque? Voy a pie. 3.¿Dónde está
1. 2 answers
2. 847 views
Kathy is changing the tire of her car on a steep hill 20 m high. She tripsand drops the 10 kg spare tire which rolls down the
1. 0 answers
2. 1,544 views
A player kicks a footbal with a velocity of 27 m/s at an angle of 31° with the ground. How high does the ball travel?
1. 1 answer
2. 622 views
When a sodium atom absorbs light at 330.2 nm, the 3s electron is promoted to the 4p level. How much energy would be required for
1. 1 answer
2. 426 views
When a sodium atom absorbs light at 330.2 nm, the 3s electron is promoted to the 4p level. How much energy would be required for
1. 1 answer
2. 1,067 views
Thanks,How many atoms are in a body-centered cubic unit cell??? a- one b- two c- four d- six e- eight
1. 2 answers
2. 544 views
How many grams of O2 are required to burn13.0g of acetylene? The answer I got is 40gO2 is this right.
1. 1 answer
2. 336 views
How many grams of CO2 and grams of H2O are produced when 13.0g C2H2?
1. 1 answer
2. 1,341 views
How many grams of O2 are required to burn 13.0g of acetylene?
1. 1 answer
2. 1,833 views
How did the US become involved in the politics of Southeast Asia?
1. 2 answers
2. 444 views
What did Kennedy hope to accomplish with the New Frontier?
1. 0 answers
2. 420 views
Mike Welch purchased 5,000 shares of Grass Roots stock for $82 per share and paid a commission of 1% on the purchase price. The
1. 2 answers
2. 1,046 views
A 250 kg object is acceelerating at 2.8 m/s2. What force was required to achieve this?
1. 0 answers
2. 380 views
how do i find out what the amplitude, period, h, k and midline of problems1) y= sin (x-5)=7 2) y=3 cos (x- pie) -1 3) y= Sin3x+4
1. 0 answers
2. 477 views
A 3 Kg lead ball is dropped into a 3 L insulated pail of water initially at 20.0 degrees C. If the final temperature of the
1. 2 answers
2. 652 views
A cubic piece of metal measures 7.50 cm on each edge. If the metal is nickel, whose density is 8.90g/cm^3, what is the mass of
1. 1 answer
2. 701 views
A class of 11 students taking an exam has a power output per student of 124 W. Assume that the initial temperature of the room
1. 0 answers
2. 705 views
a triangle has sides with lengths of 11 meters, 9 meters, and 7 meters. what type of triangle is it?
1. 1 answer
2. 863 views
If you have a tank of water at sea level and the temperature of the water in the tank is 110 degrees F, what is the height of
1. 0 answers
2. 531 views
The reaction of fluorine with ammonia produces dinitrogen tetrafluoride and hydrogen fluoride.5 F2(g) + 2 NH3(g) N2F4(g) + 6
1. 5 answers
2. 1,889 views
The blades of a fan running at low speed turn at 200 rpm. When the fan is switched to high speed, the rotation rate increases
1. 2 answers
2. 552 views
The blades of a fan running at low speed turn at 200 rpm. When the fan is switched to high speed, the rotation rate increases
1. 2 answers
2. 2,366 views
A 15500 N automobile travels at a speed of 41 km/h northward along a street, and a 7000 N sports car travels at a speed of 65
1. 0 answers
2. 514 views
Express (cos^2t/tan^2t) as an expression that involves only the sine function.
1. 1 answer
2. 371 views
Calculate the number of grams of carbon dioxide that can be absorbed by a complete reaction with a solution that contains 5.00
1. 1 answer
2. 666 views
If a shopkeeper sold 15 boxes of pencils on Mon and Tues. He sold 3 more boxes on Mon then on Tues. There were 12 pencils in
1. 4 answers
2. 727 views
A 15.0 g rubber bullet hits a wall with a speed of 140 m/s. If the bullet bounces straight back with a speed of 125 m/s, what is
1. 0 answers
2. 519 views
A sample of gas has a mass of 0.555 g. Its volume is 119 mL at a temperature of 90 degrees C and a pressure of 744 mmHg. What is
1. 0 answers
2. 572 views
What volume of O2 at 912 mmHg and 33 degrees C is required to synthesize 11.0 mol of NO?
1. 0 answers
2. 826 views
How many liters of O2 gas, measured at 772 mmHg and 20 degrees C, are required to completely react with 2.4 mol of Al?
1. 1 answer
2. 1,192 views
What is 832 torr converted to atm?
1. 1 answer
2. 361 views

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