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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 answer
616 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
2 answers
951 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 answer
1,030 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 answer
1,633 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
2 answers
1,886 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 answer
4,668 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 answer
568 views
setting up a photograph to control the lighting, the subjects position, and the angle of the photograph is an example of which
25 answers
5,505 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 answer
2,194 views
The sum of two numbers is 20. One number is 3 times the other. Find the numbers.
1 answer
582 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
2 answers
620 views
Diane has $1.20 in dimes and nickels. She has a total of 13 coins. How many of each kind does she have?
3 answers
1,007 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
0 answers
1,152 views
During our summer vacations, we would always go out to our cabin by Butterfly Creek. The trips were always fun and relaxing. We
4 answers
1,153 views
based on the masses of CaCl2 and Na3PO4 you determined from the periodic table, what mass combining ratio would you predict?
2 answers
826 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 answer
834 views
Is this right
6(5y-4) 30y-24 Need help with this one -3+2(6z-3+4)
1 answer
378 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
2 answers
1,548 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 answer
1,393 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
0 answers
460 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
7 answers
3,553 views
dissolved oxygen in aquatic systems is important for the survival of freshwater fish and they require a minimum of 5 parts per
1 answer
788 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 answer
720 views
1) log sub 8 2 + log sub 8 4x^2 = 1
2) ln 2 - ln (3x + 2) = 1 3) ln (x - 3) - ln (x - 5) = ln 5
1 answer
435 views
A blue puck has a velocity of 3i –4j m/s. Its mass is 20 kg. What is its momentum?
2 answers
1,846 views
There are no known stable cyclic compounds with a ring size of seven or less that has an
alkyne linkage in the ring. Why?
1 answer
440 views
A 0.504 m length of conducting wire carrying a current of 62.1 A is?
1 answer
405 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 answer
649 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
4 answers
734 views
Sophia exerts a steady 40-N horizontal force on a 8-kg
box resting on a lab bench. The box slides against a horizontal friction
1 answer
616 views
(-4/5)-6=-14
1 answer
321 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
2 answers
809 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
0 answers
1,545 views
Consider three force vectors F1 with magnitude 42N and direction 140°, F2 with magnitude 27N and direction -110°, and F3 with
0 answers
905 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 answer
945 views
A particle undergoes two displacements. The first has a magnitude of 135cm and makes an angle of 114° with the positive x axis.
0 answers
649 views
A car travels 15.5 km due north and then
38.6 km in a direction φ = 74.3 ◦ west of north.Find the magnitude of the car’s
1 answer
851 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
3 answers
533 views
I need to address computer ability to grow the Gross domestic product ,create competition and make other industries efficient
0 answers
442 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
0 answers
572 views
An electron, starting from rest and moving
with a constant acceleration, travels 5.8 cm in 14 ms. What is the magnitude of this
0 answers
563 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 answer
669 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
0 answers
505 views
Find an equation of the line that satisfies the given conditions.
Through (−7, −12); perpendicular to the line passing
2 answers
1,563 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 answer
848 views
PCSK9, a protease that regulates the level of LDL receptors, is a new target for lowering circulating levels of LDL. Excess
3 answers
588 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
7 answers
745 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
2 answers
610 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 answer
623 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 answer
1,520 views
Tasha invests $5,000 annually at 6% and $5,000 annually at 8%. Thomas invests $10,000 annually at 7%. Which statement accurately
3 answers
2,874 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
3 answers
9,090 views
Balance by oxidation method the SO2 + MnO4+H2O --MnSO4+H2SO4+SO4(-2)
2 answers
865 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
2 answers
3,801 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
3 answers
1,508 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
2 answers
2,284 views
what are the real and imaginary zeros of the equation 2x^3 + 5x^2 - 3x + 7
2 answers
471 views
f(x) = two divided by quantity x squared minus two x minus three
Graph A coordinate axis scaled by one. Domain and Range :
3 answers
2,866 views
Choose the point on the terminal side of -45°
3 answers
1,573 views
Give an example of a rational function that has no horizontal asymptote and a vertical asymptote at
x = 1.
1 answer
2,066 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 answer
597 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 answer
438 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 answer
1,866 views
Look back at "failing infrastructure" write a letter to your state representative describing an infrastructure problem in your
1 answer
901 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
8 answers
712 views
THANK YOU FOR HELP ME SO MUCH ON MY HOMEWORK
I REAL appreciate it
3 answers
559 views
how can you solve this problem ? here
X=Y plz help me fast
2 answers
428 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 answer
604 views
In the following reaction, how many liters of oxygen produce 560 liters of
carbon dioxide in the oxidation of methane, given that
2 answers
1,480 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
0 answers
1,055 views
How do Realists and Romanticists differ?
1 answer
428 views
Progressives concerned with social justice called for (circle three)
A. an end to slavery B. regulation of work hours for women
0 answers
525 views
The term Bourbon
A.celebrated the French origin of many of the New South leaders B.derived from the French Bourbons who,
5 answers
703 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 answer
947 views
in what chemical form is glucose when it enters the Krebs Cycle?
0 answers
518 views
Analogy: melting is to freezing as partial melting is to _______?
a. partial freezing b. magma. c. boiling. d. fractional
2 answers
882 views
all of the following are explanations for glacial periods EXCEPT.
a. varying solar energy b. volcanism c. biological organisms d.
1 answer
938 views
HELP PLEASE!! ASAP!!
If f(x)=2x+1 and g(x)=3x-5, find f(g(2))
2 answers
385 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 answer
401 views
If f(x)=2x+1 and g(x)=3x-5, find f(g(2)).
1 answer
309 views
If f(x)=2x+1 and g(x)=3x-5, find f(g(2)).
0 answers
325 views
If f(x)=2x+1 and g(x)=3x-5, find f(g(2)).
1 answer
300 views
If f(x)=2x+1 and g(x)=3x-5, find f(g(2)).
1 answer
328 views
x^-1y^0 do you do 1/x*1=1/x and how do you do x^-2y^1\ x^1y^2 ?
1 answer
243 views
x^-1y^0 do you do 1/x*1=1/x
1 answer
241 views
Janise is a sole proprietor owning a small specialty store. the business records show that the cost of the stores individual
0 answers
566 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 answer
1,152 views
After watching Roy Hargrove play the trumpet, Marcia decided that she wanted to be one.
1 answer
507 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 answer
441 views
question 3 a ...help pls
7 answers
323 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 answer
574 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 answer
542 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 answer
503 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 answer
792 views
write each expression using exponents ?
1)10.10.10 2)6 3)4.4.4.6.6
1 answer
351 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
0 answers
567 views
Find the value of the expression below for r=4 and t=2
t^3-r+20 divided by r 9 72 6* I chose this one 40
7 answers
3,296 views
A speeder traveling at a constant speed of 125km/h races past a billboard. A patrol car pursues from rest with constant
2 answers
2,060 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 answer
965 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 answer
510 views
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