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Questions (635)

Did I solve this complex rational expression correctly?(2/3)-(x)/(2/3)+(x) 2/3-x = 2/3-x(3)/1(3)= (-x)+(2/3) (2/3)+ (x)= 2/3 +
1. 1 answer
2. 344 views
Of Maria's total salary, 1/4th goes to taxes and 2/3rds of what remains goes to food, rent, and bills. If she isleft with $500
1. 1 answer
2. 522 views
how do you write an evaluation for a narrative about Cry Freedom explaining techniques you have used in your narrative(eg.
1. 1 answer
2. 531 views
The average mark on an entrance exam was 70%, with a standard deviation of 9.6. In order to be accepted you must get 60% or
1. 1 answer
2. 488 views
At time 4 minutes your submarine is at its deepest, y= -1000m. At time 9 minutes you are at your shallowest, y= -200. Sketch the
1. 0 answers
2. 475 views
Find the coefficient of x^7 for (x-3)^11Use the binomial theorem to expand (2y-3x)^5 Prove that (n over r)= (n over n-r) for all
1. 2 answers
2. 895 views
Find the coefficient of x^7 for (x-3)^11Use the binomial theorem to expand (2y-3x)^5 Prove that (n over r)= (n over n-r) for all
1. 0 answers
2. 546 views
Find sin(s+t) and (s-t) if cos(s)= 1/5 and sin(t) = 3/5 and s and t are in quadrant 1.=Sin(s)cos(t) + Cos(s)Sin(t)
1. 2 answers
2. 5,057 views
NOT INDEPENDENTA box contains four white, three red, and two black marbles. Three marbles are chosen at random. a. What is the
1. 1 answer
2. 425 views
Solve this system that is represented by the following matrix.[1 -2 -2| -3 0 5 3| 13 0 0 1| 1] Write answer in (x, y, z)
1. 1 answer
2. 433 views
If Will gives Molly $9, he will have the same amount of money as her. If Molly gives Will $9, the ratio of the money she has to
1. 1 answer
2. 804 views
What will happen to the number of moles of SO3 in equilibrium with SO2 and O2 in the following reaction in each of the following
1. 1 answer
2. 5,810 views
(1,1) and (13,3) (0,4) and (14,0) What are the coordinates for the intersection of the two lines?
1. 1 answer
2. 424 views
Hi,just need a little help with this physics question please. A cylindrical tank of water is located 68m deep in water. An air
1. 1 answer
2. 564 views
The water storage tank has a diameter of 0.5m and contains 150L of water.You find a small hole rusted in the base, with a
1. 0 answers
2. 546 views
The equation given is 2SO2(g)+O2(g)->2SO3(g),and if 224L/h of O2 (at standard temp and pressure) is consumed by the reaction,
1. 0 answers
2. 521 views
Three charged marbles are glued to a nonconducting surface and are placed in the diagram as shown. The charges of each marble
1. 1 answer
2. 2,492 views
Below are two pairs of points. A line goes through each pair of points. What are the coordinates for the intersection of the two
1. 1 answer
2. 681 views
In a class of students, 80 spoke English, 110 spoke spanish, 100 spoke french, 50 spoke english & spanish, 30 spoke english &
1. 3 answers
2. 1,019 views
A professor gave an aptitude test to a class of psychology students and computed the mean, median, and mode for the test scores.
1. 1 answer
2. 657 views
An object fired at an angle of 31.9° above the horizontal takes 2.55 s to travel the last 15.5 m of its vertical distance and
1. 0 answers
2. 517 views
You are practicing throwing darts in your dorm. You stand 3.21 m from the wall on which the board hangs. The dart leaves your
1. 0 answers
2. 1,237 views
How much work is it to push a box (mass 120 kg) up an incline (angle 16 degrees with the horizontal) that is 9.6 meters long, if
1. 0 answers
2. 909 views
A jar contains 7 black balls and 25 red balls. You take 2 out without replacing them. Find a)the probability of drawing 2 red
1. 1 answer
2. 532 views
How much energy (in kilojoules) is needed to heat 4.00g of ice from -11.0∘C to 21.5∘C? The heat of fusion of water is
1. 1 answer
2. 1,106 views
A ball is thrown vertically upward from a cliff with a speed of 20 ft/sec. The ball hits the ground at 140 ft/sec. How high is
1. 1 answer
2. 510 views
A ball is thrown vertically upward from a cliff with a speed of 20 ft/sec. The ball hits the ground at 140 ft/sec. How high is
1. 1 answer
2. 520 views
A fuel storage tank has one supply pump and two identical outlet pumps. With one outlet pump running, the supply pump can
1. 0 answers
2. 643 views
How do I balanceCuSO4 + NH3 + H2O = (NH4)2SO4 + Cu(NH3)4(OH)2 Thank you!!!
1. 1 answer
2. 1,334 views
sin theta = 8/17 and theta is in the second quadrant. Find sin(2theta),cos(2theta),tan(2theta) exactlysin(2theta) cos(2theta)
1. 2 answers
2. 1,786 views
Hi! Could someone possibly help me solve this?; log2(x+4)=log2(x^2+2). For my answer, I got "All Real Numbers" or x=0 but I'm
1. 1 answer
2. 530 views
Hi! Could someone possibly help me solve this?; log2(x+4)=log2(x^2+2). For my answer, I got "All Real Numbers" or x=0 but I'm
1. 1 answer
2. 421 views
I need to find out what information the finance and marketing departments need and use within a business.
1. 0 answers
2. 462 views
he federal government says Canada will start shipping its experimental Ebola vaccine to the World Health Organization on Monday.
1. 3 answers
2. 653 views
I hope someone knows how to write a gerrc paragraph..Anyways I need help for the reference part. Hence the word R, how do i show
1. 3 answers
2. 1,181 views
Using Cowling’s Rule what is the age of the child if the adults dose is 500mg and the child dose is 187 mg?
1. 1 answer
2. 2,024 views
Predict the physical properties and relative reactivity ofBa and Sr Cs and Br ( elements from periodic table )
1. 1 answer
2. 1,333 views
Predict the physical properties and relative reactivity ofBa and Sr Cs and Br ( elements from periodic table )
1. 1 answer
2. 635 views
Which of the following statements would be most likely?1)Social class is defined by wealth & income alone. 2)Social class
1. 2 answers
2. 1,111 views
What impact do increase in immigration have on crime?1)An increase in both crime and street gang membership 2)A decrease in both
1. 0 answers
2. 435 views
The Disproportionate Minority Contract (DMC)mainly requires ______________.1)the office of juvenile justice to rely primarily on
1. 0 answers
2. 535 views
The author argues that illegal use of____highlighted the presence of racial discrimination in the criminal justice system.
1. 1 answer
2. 630 views
Which of the following disadvantages built into the criminal justice system is not class based?1) Jim Crow laws 2)Visibly crowed
1. 1 answer
2. 631 views
which is more reactive k or ca? ( from periodic table.) when poured in water?
1. 0 answers
2. 419 views
Predict the physical properties and relative reactivity of Rb, Cs, and Fr(From the periodic table)
1. 1 answer
2. 1,154 views
which of the following percentiles corresponds to the area beneath the normal curve from a z score of -1.00 to +1.00a.98% b.34%
1. 0 answers
2. 437 views
CorrectionOn this semesters final exam, john scored 72 on his calculus exam, (class distribution (u=65, \?=3.57)\) ) and 53 on
1. 1 answer
2. 770 views
On this semesters final exam, john scored 72 on his calculus exam, (class distribution (u=65, \?=3.57)\)) and 53 on his
1. 0 answers
2. 714 views
On this semesters final exam, john scored 72 on his calculus exam, (class distribution (u=65, \σ=3.57)\)) and 53 on his
1. 0 answers
2. 775 views
A piece of wood is 8 and 7/8 in. long is cut a piece 45 1/2 in. long. If 1/16 is wasted for the cut, how much wood is left.
1. 10 answers
2. 1,675 views
On this semester’s final exam, Susie scored 72 on her classics exam (class distribution: μ =65, σ = 3.57) and 53 on her
1. 3 answers
2. 940 views
What do countries with large footprints have in common? Small footprints?I don't really understand .
1. 2 answers
2. 668 views
Why is 5 to the negative 4 power= 1/5 to the fourth power?
1. 1 answer
2. 424 views
What is another strong way of saying :Yes, I would recommend this book to a friend.
1. 1 answer
2. 574 views
7. Find the sum.–14 + 7 + (–3) –24 –18 –10 *** –4 8. A scuba diver descends 350 feet and then another 120 feet.
1. 6 answers
2. 664 views
2. Write an integer to represent owing your friend $10.–10 *** –2 2 10 3. Write the sum as a product, then simplify the
1. 4 answers
2. 1,969 views
A piece of aluminum has a mass of 39.15g and a volume of 14.5cm cube. Determine the density of the aluminum. What would the
1. 2 answers
2. 841 views
5y^3 ( -x^4)When x is -2 and y is -1
1. 2 answers
2. 321 views
So I have to write an essay how do i rate canada when compared to the rest of the world. On the sheet it shows you a set up on
1. 3 answers
2. 527 views
How would you rate Canada when compared to the rest of the world?Concepts like Primary School Enrollment, Life Expectancy,
1. 1 answer
2. 518 views
Hi Ms.Sue. I know this isnt a question but I want to thank you for helping me with questions I couldn't understand.
1. 2 answers
2. 579 views
find the product(2x+1)(2x-1)
1. 1 answer
2. 326 views
What can we infer about a country based on its GDP?Why is the HDI a better way to compare countries than other indicators above
1. 2 answers
2. 582 views
In each situation s below , it seems that a new substance may have been produced. Explain why each situation represents a
1. 3 answers
2. 5,218 views
So what would you find something in the house?Product Symbols Precaution One example would be appreciated
1. 1 answer
2. 351 views
How do I say :I am going to wait for my friend to come? I am very stumped at this one.
1. 3 answers
2. 551 views
How do you say I finish my chores and I wait for my friend to come?
1. 3 answers
2. 677 views
How do you say. We sing at the concert?No google translate please..
1. 1 answer
2. 610 views
Can someone tell me why 9-4^2 = -7?
1. 4 answers
2. 321 views
I'm sorry I need 1 more question to be asked.Use the LCD to write equivalent fractions. 5/6 , 2/9
1. 6 answers
2. 465 views
Use prime factors to find the LCD for each pair of fractions.a) 1/4, 1/8 b)1/6, 1/18
1. 5 answers
2. 1,093 views
Use multiples to find the LCD for each pair of fractions.a) 1/2, 1/3 b) 1/4, 1/5
1. 3 answers
2. 1,175 views
Determine how each multiplication or division pattern is formed. Then write the next two numbersa) 81, -27, 9 ... b) 5, -20,
1. 2 answers
2. 466 views
What is/are the major cities of Canada? Im confused when it ask for the capital and major cities.
1. 4 answers
2. 566 views
Two boat landings are 3.0 km apart on the same bank of a stream that flows at 1.6 km/h. A motorboat makes the round trip between
1. 1 answer
2. 576 views
Yesterday we combined Hydrochloric Acid HCl with Sodium Hydroxide NaOH in a violent reaction that resulted in water H2O and
1. 1 answer
2. 1,259 views
How many grams of hydrochloric acid should we use so we have exactly enough to react with 40g of sodium hydroxide? You'll need
1. 1 answer
2. 568 views
Alex's distance form home is represented by the equation D= -0.5t +300D represents his distance from home and t represents time
1. 2 answers
2. 1,591 views
PaperGlass Aluminum Wooden ruler Sand Steak Pork chops Salad Bread Hair Cotton fabric Wool Cheddar cheese Can you tell why ? It
1. 1 answer
2. 528 views
PaperGlass Aluminum Wooden ruler Sand Steak Pork chops Salad Bread Hair Cotton fabric Wool Cheddar cheese Can you tell why ? It
1. 8 answers
2. 466 views
A frame around a photo is 5 cm wide. The photograph is 20 cm long and 10 cm wide. What percentage of the entire area is the
1. 2 answers
2. 2,989 views
If a light has a diameter of 36 inches at its opening, what is the depth of the light if a lightbulb is 6 inches from the
1. 1 answer
2. 411 views
Use the distance formula to find the equation of a parabola. Focus: (6,0) and directrix X = -3I know the distance formula is:
1. 1 answer
2. 827 views
Courage to Speak“Any volunteers?” Ms. Chavez scanned the class. Ming slouched farther down in her seat. “Come on now,
1. 4 answers
2. 1,104 views
19, 19, 14, 14, 16, 19, 19, 16, 16, 15, 17, 16, 17, 16, 15, 14, 15, 15, 17, 14, 16, 152. Find the mean for the data. If
1. 2 answers
2. 620 views
The table below shows the percentage of households that own a microwave in different countries. Constuct a stem-and-leaf plot of
1. 3 answers
2. 2,333 views
What are the next three terms in the sequence?–1, 9, 19, 29, … (1 point) 38, 37, 32 40, 51, 62 39, 49, 59 38, 47, 56 2.
1. 104 answers
2. 17,585 views
A movie theater ticket booth opens at 10 am. There are four tellers who divide the customers evenly. The tellers have served 16
1. 1 answer
2. 883 views
What torque is needed to accelerate a 70Kg disk with a 20 cm radius from rest to 10 rad/s?
1. 1 answer
2. 419 views
What is the rotational kinetic energy of the Earth in its orbit around the sun?
1. 1 answer
2. 844 views
The GoodMentalHealth Insurance Company has determined the number of new clients a psychologist gets per month and their
1. 1 answer
2. 507 views
Professor Smith gave a final exam in her history class. The scores on the final exam arenormally distributed with a mean of 75
1. 3 answers
2. 810 views
It is known that the population mean for the Full Scale IQ of the WAIS is 100 with a standarddeviation of 15. A researcher
1. 0 answers
2. 598 views
Ashley and Sanjay are donating blood at a local hospital. As a standard practice, the bloodis screened for anemia (low levels of
1. 2 answers
2. 651 views
Leslie took two midterm exams and earned the following scores: 82 on the chemistry exam(class distribution: μ = 75, σ = 6.25)
1. 1 answer
2. 758 views
Explain how gravitational, electrical, and magnetic forces act on a maglev train?
1. 9 answers
2. 1,499 views
is there some rule on weak and strong electrolytes and the amount of concentration requiered for each? for example are weak
1. 1 answer
2. 710 views
Describe how the structure of DNA is correlated with its role as the molecular basis of inheritance in Biology.
1. 0 answers
2. 1,024 views
A stone was thrown from the top of a cliff. The height, H meters, of the stone above sea level t seconds after it was released
1. 2 answers
2. 2,313 views
200 people attended a party. Ninety-nine percent of the people were FSU fans. After some people left the party, 98% of the
1. 2 answers
2. 558 views

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