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A projectile of mass 0.636 kg is shot from a cannon, at height 6.6 m, as shown in the figure, with an initial velocity vi having
1. 1 answer
2. 594 views
A jetliner is traveling east from Seattle to Chicago, a distance of 1,750 miles. The jetliner travels at an average air speed of
1. 2 answers
2. 914 views
An astronaut in a spacecraft looks out her window and observes a comet travel in the opposite direction at a relative speed of
1. 1 answer
2. 990 views
A stone is thrown vertically upwards, reaches a highest point, and returns to the ground. When the stone is at the top of its
1. 1 answer
2. 1,599 views
Hot air balloon A is rising upward a rate of 5.0 m/s. A passenger aboard balloon A observes balloon B rising upward at a
1. 2 answers
2. 1,849 views
A test rocket is fired straight up from rest. The net acceleration is 20 m/s2 upward and continues for 4.0 seconds, at which
1. 1 answer
2. 4,621 views
balance on an initial investment of $1,500 over 25 years at 5% APR. After 10 years about how much interest has the investment
1. 1 answer
2. 537 views
setting up a photograph to control the lighting, the subjects position, and the angle of the photograph is an example of which
1. 25 answers
2. 5,407 views
how many grams of solid magnesium nitrate should be added to 5.0 grams of solid sodium nitrate in a 500 mL volumetric flask in
1. 1 answer
2. 2,155 views
The sum of two numbers is 20. One number is 3 times the other. Find the numbers.
1. 1 answer
2. 556 views
The Bishop's Peak 4-H club is having its annual fundraising dinner. Adults pay $35 apiece and children pay $20 apiece. If the
1. 2 answers
2. 591 views
Diane has $1.20 in dimes and nickels. She has a total of 13 coins. How many of each kind does she have?
1. 3 answers
2. 973 views
The triprotic acid H3A has ionization constants of Ka1 = 2.5× 10–4, Ka2 = 3.4× 10–8, and Ka3 = 5.4× 10–13. Calculate
1. 0 answers
2. 1,111 views
During our summer vacations, we would always go out to our cabin by Butterfly Creek. The trips were always fun and relaxing. We
1. 4 answers
2. 1,116 views
based on the masses of CaCl2 and Na3PO4 you determined from the periodic table, what mass combining ratio would you predict?
1. 2 answers
2. 790 views
The coordinates of two vertices of triangle DEF are D(-5,5) and E(9,8). Determine two possible coordinates for for F that would
1. 1 answer
2. 802 views
Is this right6(5y-4) 30y-24 Need help with this one -3+2(6z-3+4)
1. 1 answer
2. 355 views
Calculate the energy of a photon of wavelength 3.1 µm with that of wavelength 0.166 nm.What I Got: 3.1 µm photon: 6.36x10^22j
1. 2 answers
2. 1,500 views
A 98.0 kg ice hockey player hits a 0.150 kg puck, giving the puck a velocity of 49.5 m/s. If both are initially at rest and if
1. 1 answer
2. 1,351 views
what would the length of a spring be if a 4 lb weight stretched a spring to 20in and a 16 lb weight stretched a spring 26in
1. 0 answers
2. 440 views
Choose the correct sentence pattern for the sentence below.There is good reason to be thankful. E-V-S S-V-DO-OC S-LV-PA S-V-DO
1. 7 answers
2. 3,507 views
dissolved oxygen in aquatic systems is important for the survival of freshwater fish and they require a minimum of 5 parts per
1. 1 answer
2. 741 views
The movement of an object or a point mass at a constant speed around a circle that has a fixed radius is called uniform
1. 1 answer
2. 684 views
1) log sub 8 2 + log sub 8 4x^2 = 12) ln 2 - ln (3x + 2) = 1 3) ln (x - 3) - ln (x - 5) = ln 5
1. 1 answer
2. 414 views
A blue puck has a velocity of 3i –4j m/s. Its mass is 20 kg. What is its momentum?
1. 2 answers
2. 1,821 views
There are no known stable cyclic compounds with a ring size of seven or less that has analkyne linkage in the ring. Why?
1. 1 answer
2. 404 views
A 0.504 m length of conducting wire carrying a current of 62.1 A is?
1. 1 answer
2. 391 views
A lightning strike transfers 25.1 C of charge in (6.49x10^-3) s. The current during this lightning strike is _.__x10^ A?
1. 1 answer
2. 608 views
verify that g(x)=3x sqrt(x-5) satisfies the condition of rolle's theorem on the interval [0,5]. Find all numbers c that
1. 4 answers
2. 702 views
Sophia exerts a steady 40-N horizontal force on a 8-kgbox resting on a lab bench. The box slides against a horizontal friction
1. 1 answer
2. 580 views
(-4/5)-6=-14
1. 1 answer
2. 309 views
Custom Kitchens received an invoice dated November 17 from Idea Cabinets Ltd. for $7260 with terms 3/15, 15/30,n/60. If Custom
1. 2 answers
2. 793 views
A block of mass m1 = 41.3 kg on a horizontal surface is connected to a mass m2 = 13.2 kg that hangs vertically as shown in the
1. 0 answers
2. 1,494 views
Consider three force vectors F1 with magnitude 42N and direction 140°, F2 with magnitude 27N and direction -110°, and F3 with
1. 0 answers
2. 860 views
A person walks 27m east and then walks 31m at an angle 38° north of east. What is the magnitude of the total displacement.
1. 1 answer
2. 904 views
A particle undergoes two displacements. The first has a magnitude of 135cm and makes an angle of 114° with the positive x axis.
1. 0 answers
2. 611 views
A car travels 15.5 km due north and then38.6 km in a direction φ = 74.3 ◦ west of north.Find the magnitude of the car’s
1. 1 answer
2. 823 views
how do you obtain the cartesian equation for r^2=16cos(3theata)?? I've tried looking on many website and at my notes but have
1. 3 answers
2. 500 views
I need to address computer ability to grow the Gross domestic product ,create competition and make other industries efficient
1. 0 answers
2. 425 views
An electron in the cathode ray tube of a tele-vision set enters a region where it acceler- ates uniformly from a speed of 30100
1. 0 answers
2. 540 views
An electron, starting from rest and movingwith a constant acceleration, travels 5.8 cm in 14 ms. What is the magnitude of this
1. 0 answers
2. 528 views
In order to qualify for the finals in a racing event, a race car must achieve an average speed of 276km/h on a track with a
1. 1 answer
2. 636 views
A speedy tortoise can run at 0.08 m/s, and a hare can run 16 times as fast. In a race, they start at the same time, but the hare
1. 0 answers
2. 469 views
Find an equation of the line that satisfies the given conditions.Through (−7, −12); perpendicular to the line passing
1. 2 answers
2. 1,530 views
all real numbers that are greater than -6 but less than 6. i kinda get it but im confused with the symbols(<,>) i don't now
1. 1 answer
2. 814 views
PCSK9, a protease that regulates the level of LDL receptors, is a new target for lowering circulating levels of LDL. Excess
1. 3 answers
2. 568 views
You measure the mass of a 500 g standard on your balance four times. You get values of 455 g, 456 g, 454 g, and 455 g. Which of
1. 7 answers
2. 709 views
Which of the following is not an example of a mineral crystal shape?A. Pyrite B. Kryptonite C. Quartz D. Calcite i think its A
1. 2 answers
2. 581 views
Fred and George who are identical twins (same body mass) are competing in aerial skiing. Fred hits the take off with a speed of
1. 1 answer
2. 588 views
The height of an object after it is released can be modeled by the function f(t)=-16t^2+vt+s, where t is the n?The height of an
1. 1 answer
2. 1,491 views
Tasha invests $5,000 annually at 6% and $5,000 annually at 8%. Thomas invests $10,000 annually at 7%. Which statement accurately
1. 3 answers
2. 2,820 views
A toy rocket that is shot in the air with an upward velocity of 48 feet per second can be modeled by the function
1. 3 answers
2. 9,033 views
Balance by oxidation method the SO2 + MnO4+H2O --MnSO4+H2SO4+SO4(-2)
1. 2 answers
2. 839 views
Evan washes two types of vehicles. It takes him 30 minutes to wash a car and 40 minutes to wash a truck. He charges $12 to wash
1. 2 answers
2. 3,764 views
A chicken farm orders bags of feed from two farmers. Store X charges $20 per bag, and store Y charges $15 per bag. The farm must
1. 3 answers
2. 1,461 views
A sports memorabilia store makes $6 profit on each football it sells and $5.50 profit on each baseball it sells. In a typical
1. 2 answers
2. 2,240 views
what are the real and imaginary zeros of the equation 2x^3 + 5x^2 - 3x + 7
1. 2 answers
2. 453 views
f(x) = two divided by quantity x squared minus two x minus threeGraph A coordinate axis scaled by one. Domain and Range :
1. 3 answers
2. 2,830 views
Choose the point on the terminal side of -45°
1. 3 answers
2. 1,544 views
Give an example of a rational function that has no horizontal asymptote and a vertical asymptote atx = 1.
1. 1 answer
2. 2,031 views
Which one of the characters you read about is 12 years old?A. The narrator’s daughter in “The Yellow Wallpaper” B. Ginger
1. 1 answer
2. 565 views
a certain hamornic motion has amplitude of 0.7m and a period of 1.3s.find(a)the frequency of oscillation(b)the maximum
1. 1 answer
2. 418 views
The process that produces Sonora Bars (a type of candy) is intended to produce bars with a mean weight of 55 gm. The process
1. 1 answer
2. 1,834 views
Look back at "failing infrastructure" write a letter to your state representative describing an infrastructure problem in your
1. 1 answer
2. 873 views
can you please help me on word study with writing with idioms ?1. sick as a dog 2. the best of both worlds 3. under the weather
1. 8 answers
2. 682 views
THANK YOU FOR HELP ME SO MUCH ON MY HOMEWORKI REAL appreciate it
1. 3 answers
2. 540 views
how can you solve this problem ? hereX=Y plz help me fast
1. 2 answers
2. 410 views
how far from an 84 foot burning building should the base of the fire truck ladder be placed to reach the top of the building at
1. 1 answer
2. 568 views
In the following reaction, how many liters of oxygen produce 560 liters ofcarbon dioxide in the oxidation of methane, given that
1. 2 answers
2. 1,441 views
On January 1, 2012, Bartell Company sold its idle plant facility to Cooper Inc. for $1,050000. On this date, the plant had a
1. 0 answers
2. 1,023 views
How do Realists and Romanticists differ?
1. 1 answer
2. 411 views
Progressives concerned with social justice called for (circle three)A. an end to slavery B. regulation of work hours for women
1. 0 answers
2. 494 views
The term BourbonA.celebrated the French origin of many of the New South leaders B.derived from the French Bourbons who,
1. 5 answers
2. 675 views
Calculate the heat released when 73.5 g of steam at 122.0 C is converted to water at 39.0C. Assume that the specific heat of
1. 1 answer
2. 907 views
in what chemical form is glucose when it enters the Krebs Cycle?
1. 0 answers
2. 498 views
Analogy: melting is to freezing as partial melting is to _______?a. partial freezing b. magma. c. boiling. d. fractional
1. 2 answers
2. 841 views
all of the following are explanations for glacial periods EXCEPT.a. varying solar energy b. volcanism c. biological organisms d.
1. 1 answer
2. 903 views
HELP PLEASE!! ASAP!!If f(x)=2x+1 and g(x)=3x-5, find f(g(2))
1. 2 answers
2. 365 views
please help or examples!!!How many intergers are common to the solution sets of both inequalities?x+7>or = to 3x 3x+4<or = to 5x
1. 1 answer
2. 377 views
If f(x)=2x+1 and g(x)=3x-5, find f(g(2)).
1. 1 answer
2. 289 views
If f(x)=2x+1 and g(x)=3x-5, find f(g(2)).
1. 0 answers
2. 303 views
If f(x)=2x+1 and g(x)=3x-5, find f(g(2)).
1. 1 answer
2. 284 views
If f(x)=2x+1 and g(x)=3x-5, find f(g(2)).
1. 1 answer
2. 313 views
x^-1y^0 do you do 1/x*1=1/x and how do you do x^-2y^1\ x^1y^2 ?
1. 1 answer
2. 228 views
x^-1y^0 do you do 1/x*1=1/x
1. 1 answer
2. 225 views
Janise is a sole proprietor owning a small specialty store. the business records show that the cost of the stores individual
1. 0 answers
2. 530 views
A jogger is running around a circular track of circumference 340 m. If the jogger has a speed of 11 km/h, what is the magnitude
1. 1 answer
2. 1,091 views
After watching Roy Hargrove play the trumpet, Marcia decided that she wanted to be one.
1. 1 answer
2. 477 views
A truck with a mass of 1.5 x 103 kg accelerates to a speed of 18.0 m/s in 12.0 s from a dead stop. Assume that the force of
1. 1 answer
2. 412 views
question 3 a ...help pls
1. 7 answers
2. 308 views
A driver in a car traveling at a speed of 70 km/h sees a cat 129 m away on the road. How long will it take for the car to
1. 1 answer
2. 558 views
A driver in a car traveling at a speed of 70 km/h sees a cat 129 m away on the road. How long will it take for the car to
1. 1 answer
2. 524 views
what is the magnitude of the average acceleration of a skier who starting from rest, reaches a speed of 8.0 m/s when going down
1. 1 answer
2. 472 views
Liz is a student in Ms. Xu's class. Liz says to her classmates, "Of all the pairs of students Ms. Xu can choose as class
1. 1 answer
2. 764 views
write each expression using exponents ?1)10.10.10 2)6 3)4.4.4.6.6
1. 1 answer
2. 336 views
You need a 5 microgram glucose/ml aqueous solution, but the lab balance is accurate to only 0.01g (ie., it displays 2 digits to
1. 0 answers
2. 545 views
Find the value of the expression below for r=4 and t=2t^3-r+20 divided by r 9 72 6* I chose this one 40
1. 7 answers
2. 3,256 views
A speeder traveling at a constant speed of 125km/h races past a billboard. A patrol car pursues from rest with constant
1. 2 answers
2. 2,014 views
There is a distinct oscillation of CO2 during each year as CO2 is added to the atmosphere each winter or removed from the
1. 1 answer
2. 923 views
A scientist makes 300.0 mL of an acetate buffer using [CH3COOH]o=[NaCH3COO]o= 0.075 M. How many mL of 5.0 M NaOH can be added
1. 1 answer
2. 470 views

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