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josh

Questions (511)

4cot^2x-4/tanx+cosxsecxwrite expression in factored form as an algebraic expression of a singletrig function
1. 1 answer
2. 901 views
solve using the substitution method:8x+5y=-12 x=12-4y
1. 1 answer
2. 535 views
log 604 estimate the following log
1. 1 answer
2. 307 views
Consider an economy with the production function L^(1/3)a) Derive the Labor demand Curve b) If Labor supply curve is L^s= (w/p),
1. 0 answers
2. 680 views
A population doubles every 30 years. Assuming exponential growth find the following:annual growth rate: % continuous growth
1. 1 answer
2. 2,723 views
2.00 L of NO(g) at 1.00 atm and 25°C is reacted with 1.00 L of H2(g) at 2.00 atm and 25°C according to the following
1. 1 answer
2. 1,757 views
If dy/dt=-3y and if y=1, what is the value of t for which y=1/3? I got y=e^(-3t) but I wasn't for sure if it was correct.
1. 1 answer
2. 305 views
how do you separate the variable dy/dx=-xy^2, y(1)=-0.25
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2. 409 views
how do you solve the variable dy/dx=-x^2y^2, y(4)=4
1. 0 answers
2. 272 views
how do you separate the variable dy/dx=x^2/y given y=-5 when x=3
1. 0 answers
2. 311 views
Find an equation of the curve that passes through the point (1,1) and whose slope at (x,y) is y^2/x^3.
1. 0 answers
2. 535 views
If dy/dx=-3y and if y=1, what is the value of t for which y=1/3? I got y=e^(-3t) but I wasn't for sure if it was correct.
1. 1 answer
2. 294 views
Perform the indicated operation 1/3divided by 3/8
1. 1 answer
2. 520 views
A lumberjack (mass = 98 kg) is standing at rest on one end of a floating log (mass = 270 kg) that is also at rest. The
1. 2 answers
2. 701 views
An investment decreases by 4% per year for 3 years. By what total percent does it decrease after the 3 years?
1. 3 answers
2. 1,420 views
During the eighth century C.E., many of the rulers of Japan wereA. women. B. commoners. C. from the merchant class. D. military
1. 0 answers
2. 586 views
A bacteria culture initially contains 1500 bacteria and doubles every half hour.a) Find an expression for the number of bacteria
1. 1 answer
2. 2,320 views
The test scores for 9 students on the Unit 1 test were 35, 25, 50, 95, 80, 60, 45, 100, and 90. What is the value of the second
1. 2 answers
2. 3,572 views
Has email impact on communication been positive or negative? why?Would you judge somebody by the quality of his or her email
1. 1 answer
2. 494 views
Mars has a radius of about 0.53 Earth radius and a mass of only 0.11 Earth mass. Estimate the acceleration due to gravity on
1. 2 answers
2. 2,761 views
A 600-kg geosynchronous satellite has an orbital radious of 6.6 Earth radii. What gravitational force does Earth exert on the
1. 2 answers
2. 1,474 views
A major-league pitcher can throw a baseball in excess of 40.2 m/s. If a ball is thrown horizontally at this speed, how much will
1. 1 answer
2. 621 views
Can someone please help.Who is responsible for the concept of crime prevention? Ive been stuck on this question for two days and
1. 1 answer
2. 513 views
Given [(x-5)/(x-3)]^2 . Find any stationary points and any points of inflection. Also find any horizontal andvertical
1. 1 answer
2. 706 views
When NH3(aq) is added to Cu^2+ (aq) a precipitate initially forms. what is its formula?
1. 1 answer
2. 1,112 views
C4 H10 O2ppm = 3.25 singlet 6H ppm = 3.45 singlet 4H
1. 3 answers
2. 564 views
If you have 3 liters of air in your lungs and 2/10 of that is oxygen, how many millimeters are in your lungs?
1. 1 answer
2. 848 views
The drawing shows a hydraulic chamber in which a spring (spring constant = 1292 N/m) is attached to the input piston, and a rock
1. 3 answers
2. 732 views
The drawing shows a hydraulic chamber in which a spring (spring constant = 1292 N/m) is attached to the input piston, and a rock
1. 0 answers
2. 763 views
if y+2=13woudlnt you add 2 too both sides amd get y=15?
1. 3 answers
2. 306 views
1/3b=-3i know u would divide both sides by 1/3 and it would cancell out the 1/3 and when u divide 1/3 by -3 you will get -1/9 so
1. 4 answers
2. 348 views
-6+5b=6b-7
1. 5 answers
2. 261 views
1+1/3a=-6
1. 4 answers
2. 256 views
1/2x=2
1. 3 answers
2. 274 views
8-7b=-6b+9
1. 1 answer
2. 235 views
Solve for x.-3x - 8 + 6x = 7
1. 2 answers
2. 1,704 views
-3+8x-8=-8how do u solve it?
1. 2 answers
2. 317 views
(w-9)*(w-4)im really struggling ppl plz help
1. 1 answer
2. 348 views
solve this equation (w-9)*(w-4)
1. 1 answer
2. 428 views
48 divided by 3796
1. 1 answer
2. 374 views
convert butane to 3-pentanol using any reagents and organometalics.
1. 0 answers
2. 361 views
Given quadrilateral ABCD, with A = 4x - 57 and C = x + 3, what value of x ensures that ABCD is a parallelogram?
1. 2 answers
2. 1,078 views
ok. "what is 1/3 of $3900" and if i would be using a calculator how would i input it
1. 1 answer
2. 531 views
if im trying to get the answer to "what is one third of 190" how would i input it on a calculator
1. 1 answer
2. 283 views
if im trying to get 1/3 from 190, how would i get the answere by calculator
1. 3 answers
2. 388 views
Help!!Can someone please show me how to set up this problem. I'm lost. C3H8+5O2-->3CO2+4H20 If 19.2g of C3H8 and 19.2g O2 react,
1. 1 answer
2. 522 views
so is is set up like356.2J=25.0g(36.5C-22.0C) ?
1. 1 answer
2. 254 views
a 25.0g sample of magnesium at 22.0 degrees C absorbs 356.3 J of heat. The temperature of magnesium rises to 36.5 degrees C.
1. 1 answer
2. 865 views
what does s, f,scs, scv mean when indentifying(labeling) sentencesthanks
1. 7 answers
2. 2,123 views
A model rocket is constructed with a motor that can provide a total impulse of 25.5 N · s. The mass of the rocket is 0.213 kg.
1. 6 answers
2. 1,272 views
find the value of expression 5+2+6 (8-7)+1 6-(3+1)
1. 1 answer
2. 305 views
a fasrmer has 46 animals.He has fewer 6 sheep than pigs. how many pigs does he have?
1. 2 answers
2. 713 views
7. An unknown compound, C8H14, is optically active. Hydrogenation of the unknownyields 4-methylheptane. Ozonolysis of the
1. 2 answers
2. 1,459 views
Water flows (v approx. 0) over a dam at the rate of 660 kg/s and falls vertically 86 m before striking the turbine blades.
1. 1 answer
2. 780 views
A 120-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 400 N. For the first 17 m the
1. 1 answer
2. 1,191 views
explain how you could show five less than a number using an expression
1. 1 answer
2. 804 views
what is the simple predicate in The insects bodies can turn wood into food?
1. 3 answers
2. 833 views
-3.38=r-9.76
1. 3 answers
2. 303 views
what is the scientific notation for 280 mm?
1. 1 answer
2. 302 views
a rock is dropped off a bridge. How fast is it moving when it hits the water 2.5s later?
1. 1 answer
2. 1,337 views
(17-5)(6+5) Do you know what's an expression is? Can you teach me how to do it?
1. 1 answer
2. 306 views
(17-5)(6+5)
1. 2 answers
2. 265 views
14/2+3(5)
1. 3 answers
2. 288 views
what is a root word
1. 2 answers
2. 1,225 views
please help...i need this immediately..rolling friction. two bicycles are set rolling with the same initial speed of 3.50m/s on
1. 2 answers
2. 775 views
The length of a rectagle is 9 centimeters more than half the width. Find the legth if the perimeter is 60 centimeters.
1. 1 answer
2. 474 views
a gold ball is hit with an initial velocity v0 = 53m/s at an angle of 50degrees above the horizontal.a)how high the ball go?
1. 2 answers
2. 573 views
A long, vertical, straight wire carries a current I going upwards. The wire is perpendicular to the plane of a circular metal
1. 3 answers
2. 2,470 views
A step-down transformer has a turns ratio of 1:10 and its primary is connected across the terminals of a standard 120 V wall
1. 2 answers
2. 2,301 views
The primary coil of a transformer is connected to a standard wall socket. A resistance R is connected across the secondary coil.
1. 0 answers
2. 635 views
if by some suitable mechanism the falling body had been given an initial downward push instead of just being released, would the
1. 1 answer
2. 794 views
a)speed is the magnitude of instantaneous velocity. Is the average speed equal to the magnitude of the average velocity? Justify
1. 1 answer
2. 549 views
the forces on the table act on a ring but are said to be concurrent. if the cords were rigidly to the ring would the forces
1. 1 answer
2. 2,447 views
a rope 26 ft long is attached to two points A and B, 20 ft apart at the same level. A load of 250lb is carried at the middle of
1. 2 answers
2. 928 views
a brick is dropped (0 initial speed) from the top of a building. the brick strikes the ground in 2.5 seconds. you may ignore air
1. 2 answers
2. 1,031 views
a ball is thrown vertically upward from the ground with the velocity of 30m/s,a)how long will it take to rise to its highest
1. 1 answer
2. 727 views
A person with mass 70 kg is climbing a ladder (length 6m, mass 20 kg) that leans against a smooth wall (no friction). A
1. 1 answer
2. 1,144 views
Two identical loudspeakers are 2 m apart. A person stands 4.6 m from one speaker and 3.4 m from the other. What is the lowest
1. 2 answers
2. 1,652 views
A 1210 N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1820 N crate
1. 1 answer
2. 926 views
a 20 g bullet strikes a 0.7 kg block attached to a fixed horizontal spring whose spring costant is 5600 N/m and sets it into
1. 2 answers
2. 616 views
i cant solve this can someone help me.19.6 + X^2/2 ={(.007852*X /.001285)^2}/2 i know the answer is 1.01 but how do i get that
1. 1 answer
2. 330 views
how fast does the level of water in a full 2m high, 10cm diameter tank reduces when a 4cm diameter hole is opened at the bottom?
1. 0 answers
2. 479 views
how fast does the level of water in a full 2m high, 10cm diameter tank reduces when a 4cm diameter hole is opened at the bottom?
1. 0 answers
2. 425 views
find the weight of a piece of wood with a density of .5 g/cm cubed. which when attached to a 5kg stone in water it will sink.
1. 1 answer
2. 514 views
The primary goal of wellness is the ability to achieveA.freedom from disease. B.a multicultural view of health. C.the highest
1. 2 answers
2. 934 views
find the frictional force exerted on a 20kg block pulled slowly over a horizontal floor using a rope which makes a 30 degree
1. 1 answer
2. 637 views
What are key differences between the ontological, teleological, and cosmological arguments? Identify the philosopher who you
1. 1 answer
2. 578 views
a sled is pulled at a velocity across a horizontal snow surface. if a force of 8.0x10 to the first power N is being applied to a
1. 0 answers
2. 923 views
the circle is circumscribed by the pentagon as shown (not drawn to scale). If QZ=10, YX=9, XW=9, UW=17, and SU=10, find the
1. 3 answers
2. 2,141 views
we are doing conjuction and compound sentences in class, and i need help diagraming this sentence: Little Red Ridinghood and her
1. 0 answers
2. 1,041 views
solve x-5/x*x-54 -7x+8/x*x-3x-54 +x-2-x*x+12x+36
1. 1 answer
2. 326 views
A right cylinder has a radius of 3 and a height of 12. What is its surface area? If necessary, round your answer to two decimal
1. 1 answer
2. 705 views
use resonance theory to account for the fact that aniline(pKb 9.37) is a weaker base than cyclohexanamine(pKb 3.34)
1. 0 answers
2. 497 views
1)Write the general equation used to determine the volume of stock required to make a given concentration of standard? Define
1. 0 answers
2. 573 views
Avg PO4^3- []'s in the deep and surface ocn's are 2.11 and 0.71umolkg^-1. Calc the residence time of PO4^3- in the deep ocn
1. 0 answers
2. 491 views
An automobile tire at 22oC with an internal volume of 20.0L is filled with air to a total pressure of 30. psi(pounds per square
1. 0 answers
2. 865 views
Avg PO4^3- []'s in the deep and surface ocn's are 2.11 and 0.71umolkg^-1. Calc the residence time of PO4^3- in the deep ocn
1. 0 answers
2. 507 views
Avg PO4^3- []'s in the deep and surface ocn's are 2.11 and 0.71umolkg^-1. Calc the residence time of PO4^3- in the deep ocn
1. 0 answers
2. 479 views
write the two half-reactions for the reduction of nitrate to nitrite using Cd2+
1. 1 answer
2. 479 views
okay so i have these 4 questions that i have no clue about...i asked my mom and aunts but they don't make clothes so im stuck on
1. 1 answer
2. 612 views

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