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A 5.0×101 kg sample of water absorbs 333 kJ of heat.If the water was initially at 23.1 ∘C, what is its final temperature?
1. 1 answer
2. 1,065 views
We know the next following bond energies: C≡O: 1 075 kJ; H−H: 435 kJ; C−H: 393 kJ; C−O: 356 kJ; O−H: 464 kJ. With
1. 0 answers
2. 517 views
Line l has a y-intercept of 2 and contains the points (a,a) and (2a,12). If a is a positive constant, what is the slope of line
1. 1 answer
2. 1,592 views
0.2B + 0.1S = CRhia is using the above equation to investigate the carbon footprint, C, in kilograms of carbon dioxide (CO2)
1. 2 answers
2. 5,196 views
Gary learned that the value of his car depreciates by 15% per year. Which of the following functions best describes the value of
1. 5 answers
2. 3,478 views
The bottom of a ski slope is 6,500 feet above sea level, the top of the slope is 11,000 feet above sea level, and the slope
1. 2 answers
2. 2,611 views
If x is a positive integer and l2x+6l > 10, what is the least possible value of x?NOTE: l2x+6l means absolute value of 2x+6
1. 5 answers
2. 1,118 views
If y = m^4 = n^3 and y is greater than 1, the mn =?A. y^1/12 B. y^1/7 C. y^7/12 D. y^7
1. 2 answers
2. 786 views
Brian and Richard stand back-t0-back. Each boy takes 5 equally spaced steps, in opposite directions from the starting location.
1. 2 answers
2. 1,893 views
Pb(aq)2+ + 2e- → Pb(s) Ero = - 0.13 VSc(aq)3+ + 3e- → Sc(s) Ero = - 2.02 V a) Write a balanced chemical equation for a
1. 1 answer
2. 607 views
The acceleration function (in m/s2) and the initial velocity v(0) are given for a particle moving along a line.a(t) = 2t + 2,
1. 1 answer
2. 1,993 views
In separate experiments, an object is placed 12.0 cm in front of two different mirrors: aflat mirror and a convex mirror. The
1. 1 answer
2. 1,190 views
When the light of a wavelength 450 nm is passed through a certain diffractiongrating, the first order diffraction maximum is
1. 1 answer
2. 887 views
Find the consumer surplus at the equilibrium point.(I keep using the formula listed below but get a completely different answer
1. 0 answers
2. 473 views
y= 3/x^3; [1,3]Find the area under the graph of the function over the integral given. The book answer is 4/3
1. 1 answer
2. 452 views
The pupil of an eagle’s eye has a diameter of 6.0 mm.Two field mice are separated by 0.010 m. From a distance of 186 m, the
1. 0 answers
2. 1,125 views
A converging lens (f1 = 24.0 cm) is located 56.0 cm to the left of a diverging lens (f2 = -28.0 cm). An object is placed to the
1. 1 answer
2. 832 views
A converging lens (f1 = 24.0 cm) is located 56.0 cm to the left of a diverging lens (f2 = -28.0 cm). An object is placed to the
1. 0 answers
2. 1,014 views
The frequency of a light wave is the same when the light travels in ethyl alcohol or in carbon disulfide.Find the ratio of the
1. 1 answer
2. 1,755 views
You are given an aqueous salt solution and have determined that its pH is 5.19 at 25°C. Predict which of the following three
1. 1 answer
2. 1,152 views
A driver in a car traveling at a speed of56.6 mi/h sees a deer 106 m away on the road. Calculate the magnitude of the
1. 1 answer
2. 779 views
which of the following statements is true of a time management plan?a. it is a work in progress that will need to be altered
1. 10 answers
2. 7,861 views
cos^3 = (1/2 cosx)(1+cos2x)Please make the left match the right.
1. 2 answers
2. 1,296 views
A balloon has a diameter of 10 inches and a height of 20 inches. How much helium will it take to fill the balloon in inches
1. 1 answer
2. 402 views
mass 0.3kg is moving on the ground at speed 4m/s towards ball B which is at rest on the ground and has mass of 0.8kg. When A
1. 1 answer
2. 610 views
Hi there, can someone please help me with this chemistry problem?Write the equation for the acid-base reaction that takes place
1. 1 answer
2. 922 views
An Anthropologist finds bones that her Instruments measure it as 0.921% of the amount of carbon- 14 the bones would have
1. 2 answers
2. 477 views
The Mendes family bought a new house 10 years ago for $101,000. The house is now worth $160,000. Assuming a steady rate of
1. 1 answer
2. 578 views
Pedro and Ivan raced each other in a 24-mile bike race. After 2o minutes, Pedro traveled 5 miles. Ivan had spent the 20 minutes
1. 1 answer
2. 644 views
Donald Trump purchased a large box of his own books for $55,000. He gave25 of the books to other republican nominees and then
1. 1 answer
2. 498 views
Brock Obama, Justin Trudeau and Jinping Xi decide to help Mr Blakely bathehis super cat Mike Wazowski. Brock can bathe Mike
1. 4 answers
2. 698 views
A game has 30 cards numbered 1 through 30. e cards are shu ed. one card is picked at random. Find each probability. Which cards
1. 1 answer
2. 609 views
Describe how chromosomes are cultured and prepared for laboratory analysis?
1. 0 answers
2. 381 views
Difference between prokaryotes and eukaryotes
1. 5 answers
2. 790 views
Describe how chromosomes are cultured and prepared for laboratory analysis?
1. 0 answers
2. 376 views
Explain water potential and how it affects osmosis?
1. 0 answers
2. 455 views
Explain the chromosomal differences between males and females?
1. 2 answers
2. 430 views
A football player kicks a field goal, launchingthe ball at an angle of 48" above the horizontal. During the kick, the ball is in
1. 6 answers
2. 2,333 views
In what way does Saudi Arabia play an important role in foreign and security aspects in the Middle East
1. 1 answer
2. 553 views
Why is the legacy of colonial powers a barrier to democracy in the Middle East?
1. 1 answer
2. 424 views
Let f(x) = x^2 +3x - 1 and g(x) = x^3 +4x^2 +1. Find (f-g)(x)a. (f-g)(x)=-x^3 - 3x^2 +3x b. (f-g)(x)=x^3 - 3x^2 +3x - 2 c.
1. 1 answer
2. 411 views
A stock solution of inulin has a concentration of 500mg/ml. From this stock 0.50ml is diluted with 0.50ml of sterile saline.
1. 0 answers
2. 513 views
So I need help with 2 questions. This is what is being asked. Write the slope-intercept forms of the equations of the lines
1. 2 answers
2. 737 views
So I'm supposed to write an essay about promoting South East Asian Literature in general and I don't know how to make a good
1. 4 answers
2. 578 views
A bag of candy contains 11 peppermints, 8 chocolates,13 gumdrops, and 9 licorices. jack randomly takes a gumdrop from the bag
1. 2 answers
2. 2,644 views
How would you determine the minimum bactericidal concentration of a given microbial agent?
1. 1 answer
2. 562 views
Which passage would best reflect Gatsby personality and why ?From the book called Great Gatsby
1. 2 answers
2. 980 views
Calculate the pH of 500ml 0.07M nitrous acid solution to which 1.4015 grams of sodium nitrite (KW=68.9953) are added.
1. 1 answer
2. 471 views
1. If a consumer makes monthly payments of $250 to pay off a car loan, what type of credit is sheusing? (1 point) nonrevolving
1. 3 answers
2. 891 views
Joe spent .55 of his money in one shop and 2/5 of it in another, he then had €6 left, how much had he at first?
1. 1 answer
2. 437 views
6 times the difference of a number and 9 is 18 less than the number.I need to write out as an equasion. Help!
1. 2 answers
2. 1,362 views
1. a) using heat exchange and conservation of thermal energy determine the specific latent heat of fusion for ice.b) determine
1. 1 answer
2. 807 views
Determine the percentage error.So we found that aluminium has a specific heat capacity of 18441J/KgC And I know that the
1. 1 answer
2. 614 views
Using heat exchange and conservation of thermal energy, determine the specific heat capacity for your metal.So the data we have
1. 2 answers
2. 718 views
So we did an experiment where we mixed Cacl2 and NaCl and then found the mass of the precipitate. Then we compared it to
1. 1 answer
2. 707 views
Determine the amount of work required for each of the following:a) to lower a 35kg sack of rice through a height of 3.5m b) to
1. 1 answer
2. 628 views
A 200h bag of potato chips contains 4.8MJ of energy. How long would it take you working at your maximum body power to consume
1. 2 answers
2. 2,020 views
Hello so my question is an 85kg kangaroo acquires 2.2kJ of energy in jumping straight up and down from rest. How high does the
1. 1 answer
2. 487 views
3 fourth of a class are boys. The girls are 24 less than the boys. How many pupils are in the class?
1. 1 answer
2. 449 views
Karan took a loan of rs 70000 from a bank. If the rate of interest is 10%per annum find difference in amount he would be paying
1. 2 answers
2. 694 views
A taxi service charges a $1.90 fee for each ride plus an additional .80 per mile. If a taxi ride cost $4.30, how many miles did
1. 7 answers
2. 950 views
A rectangular garden has a length if 6.8 meters and seea perimeter of 20.6 meters. What is the width if the garden?
1. 2 answers
2. 822 views
A carpenter cut pieces from a 12 foot long board that were 4 3/4 feet long and 3 1/2 feet long. What is the length of the
1. 7 answers
2. 2,544 views
Factor the following expression completely:2ab+6a+12abc
1. 2 answers
2. 642 views
Ziggy earned $7.50 per hour plus an additional $100 in tips in Saturday. He earned more than $145 in all. Write an inequality to
1. 3 answers
2. 545 views
A recipe calls for 2 1/4 of salt for every 1 1/8 teaspoon of black pepper. How many teaspoons of salt are needed for each
1. 7 answers
2. 2,543 views
Rita's baby brother weighed 7 5/16 pounds when he was born. Since then, her brother has gained 3 3/4 pounds. How much does
1. 3 answers
2. 783 views
If a person walks 4/5 miles in each 1/10 hr. How fast is the person walking per hour?
1. 3 answers
2. 475 views
If a women currently makes $20 per hour, but gets a 10% raise which represents 1/10 of her hourly wage, what will be her new
1. 3 answers
2. 456 views
Amanda uses the equation y=kx to determine how much money she earns after working any number of hours (x). Amanda earned $350
1. 7 answers
2. 821 views
The amount of money Jeff earns varies directly with the number if hours he works. Jeff worked 40 hours and earned $560. What is
1. 9 answers
2. 1,240 views
Tyrone's bank account had a balance of -$61.25 last week. His paycheck of $291.75 was deposited this week. What is his bank
1. 1 answer
2. 520 views
Ross uses nylon string as a border around a square picture. The string is 60 inches long. What is the area of the picture in
1. 10 answers
2. 1,039 views
This is an inequality problem/question. I dont know if I'm right in solving this problem:15 ≤-k/4-9 (k/4 is a fraction) Please
1. 1 answer
2. 435 views
Hello, I have a question and I would like to know if anyone can help me.Well I was reading about the motion of an ideal "yo-yo"
1. 1 answer
2. 447 views
A wrecking ball is swinging at just the right height so that the student can stand at the bottom of the trajectory (lowest
1. 1 answer
2. 751 views
The sides of the rectangle are in the ratio of 4:7. If its length is 31.5 in., find the width, the perimeter, and the area of
1. 7 answers
2. 6,137 views
The result of reflecting across the line y = x and then rotating 330 degrees counterclockwise around the origin is an isometry T
1. 2 answers
2. 965 views
How many grams of urea would have to be dissolved in 250 grams of water to give it a freezing point of -4.degrees celcius
1. 1 answer
2. 543 views
Is 1/5 aIrrational number Rational neither
1. 2 answers
2. 1,616 views
A marathon runner runs 10 1/2 miles in 2 hours. What is her rate?Write an expression to represent the problem. Solve the
1. 2 answers
2. 2,709 views
On a soccer team 40% of the goals are scored by the star player. If 70 goals are scored all season, how many are scored by the
1. 10 answers
2. 2,226 views
Elizabeth pumps 3 1/2 gallons of gas in 1/4 of a tank. How many gallons does a full tank hold?Write an expression to represent
1. 4 answers
2. 2,220 views
If the half life is 24360 years and after 1000 years I have 2.1 gm left, what was the initial qty. Doing it in a common sense
1. 1 answer
2. 517 views
An oil spill spreads 25 square meters every 1/6 of an hour. How much area does the oil spill in two hours?
1. 3 answers
2. 1,135 views
Sway has 3 red roses in her bouquet for every 5 yellow roses. The bouquet has two dozen red and yellow roses. How many are
1. 1 answer
2. 416 views
The average 3rd grade student can read 60 words I 5 minutes. What is the average reading per rate?Write an expressionto
1. 3 answers
2. 1,403 views
A Marathon runner runs 10 1/2 miles in 2 hrs. What is her rate?Write an expression to represent the problem. Solve the problem.
1. 5 answers
2. 917 views
In a study of500 men, diastolic blood pressure was found to be approximately normally distributed, with a mean of 82 millimeters
1. 1 answer
2. 2,078 views
How do political cleavages shape people's opinions?
1. 1 answer
2. 359 views
Find solutions of the following equation which lie in the interval [0,2pi):6cos(3theta)/(2)+3=0
1. 1 answer
2. 495 views
simplify. 6/ √3 + 2A.4/√3 B.12-6√3 C.√3 - 2*** D.3 ***my answer
1. 1 answer
2. 331 views
Fill in the blanks.56 ÷ 7 = ____ ones ÷ 7 = ____ ones = ____
1. 1 answer
2. 958 views
A phone company uses the equation y=0.15x+10 to find y, the monthly charges for a customer sending x text messages. How many
1. 8 answers
2. 3,553 views
Thirty-three small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5 reported cases of
1. 0 answers
2. 813 views
You deposit $9,000 in an account earning 5.5% interest compounded semiannually. How much will you have in the account after 10
1. 1 answer
2. 677 views
In a circus a tightrope is stretched from the top of a 10 ft. pole to the top of a 25 ft pole. The poles are 36 feet apart and
1. 1 answer
2. 555 views
F(x)= 3/2x +bIn the function above, b is a constant. If f(6)=7, what is the value of f(-2) ?
1. 2 answers
2. 6,193 views
If (t/5)/(t-5)=10 what is the value of t ?
1. 1 answer
2. 377 views
2x^3+x^2-8x+3>0
1. 1 answer
2. 271 views

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