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Questions (796)

At 425°C, a reaction has a rate constant of 7.7 x 10–4 s–1 and has an activation energy of 275 kJ mol–1. What is the
1. 1 answer
2. 565 views
In a marathon race, Chad is out in front, running due north at a speed of 3.92 m/s. John is 94 m behind him, running due north
1. 0 answers
2. 427 views
what are the causes of poor service delivery
1. 4 answers
2. 927 views
What is the concentration of IO3- (total volume: 20mL) when you have .00001mol of HSO3- (total volume: 10mL)? Use the balanced
1. 1 answer
2. 633 views
How to find the moles of IO3- reacted when you have .00001mol of 10mL HSO3-? Using the equation
1. 1 answer
2. 627 views
find the amount of an annuity that consists of 22 monthly payments of $800 each into an account that pays 2% interest per year,
1. 1 answer
2. 508 views
A spring has an unstretched length of 10 cm . It exerts a restoring force F when stretched to a length of 12 cm .For what total
1. 2 answers
2. 6,445 views
You are dealt one card from a standard 52-card deck. Find the probability of being dealt acard greater than 2 and less than
1. 1 answer
2. 3,338 views
The length of a rectangular piece of steel in a bridge is 4meters less than triple the width. The perimeter of the piece of
1. 1 answer
2. 745 views
An automobile tire has a diameter of 63cm. What is the circumference of the tire? (Use pi equals3.14 as an approximate
1. 1 answer
2. 525 views
This table shows the distances and time wade walked in two days.Friday 1.5 miles 0.5 hours Saturday 1.15miles 0.4 hours on which
1. 1 answer
2. 478 views
6 points above par is represented by a negative number
1. 2 answers
2. 346 views
two cruise ships sail from NY to FL.ONE ship make the round trip in 8 days.the other ship make the round trip in 10 days.both
1. 2 answers
2. 585 views
if a number line is divided into 8 equal parts,then each part represents %
1. 1 answer
2. 411 views
sade found that 75% of 60 is the same as 30% of another number,n.what is the value n?
1. 2 answers
2. 365 views
Aj bought a portable game system on sale for $150.the portable game system was 70% of the regular price.aj concluded that the
1. 1 answer
2. 556 views
Women and overweight people often experience backpain. Let us explore the reason for this. Assumethe women has a weight of 60.0
1. 1 answer
2. 581 views
Mario cut a pizza into 9 equal slices. He put a slice on each of 5 plates. What is the measure for the angle of the slices that
1. 2 answers
2. 666 views
The length of an aluminium bar of length 80 cm increases by 1 mm on heating.What is the final temperature of the bar if it was
1. 1 answer
2. 591 views
the length of an aluminium bar of length 80 cm increases by 1 mm on heating. What is the final temperature of the bar if it was
1. 1 answer
2. 544 views
In a fruit basket 1/4 of the fruits are bananas and 3/8 are mangoes.Which are more the bananas or the mangoes? Solution
1. 2 answers
2. 1,117 views
Robert Created a pattern by starting with the numbre 5 using the rule múltiply by 2,then subtract 3 write the next 5 terms in
1. 2 answers
2. 623 views
a customer went to a garden shop and bought some potting soil for 17.50 and shrubs. if the total bill was $71.00, how much did
1. 4 answers
2. 1,704 views
Suppose you have $60 to buy shrimp andchicken wings for a party. Shrimp costs $10/lb and wings cost $6/lb. Write and graph a
1. 5 answers
2. 2,682 views
Write the net ionic equation for the following molecular equation.3FeCl2(aq) + 2(NH4)3PO4(aq) Fe3(PO4)2(s) + 6NH4Cl(aq)
1. 1 answer
2. 1,595 views
A store clerk filing an order for 17 models of a new smart-phone inadvertently pulled some older models and included them in the
1. 1 answer
2. 634 views
Louann and Carla received equal scores on a test made up of multiple choice questions and an essay. Louann got 14 multiple
1. 2 answers
2. 1,628 views
The price of a small cabin is $55,000. The bank requires a 5% down payment. The buyer is offered two mortgage options: 20-year
1. 2 answers
2. 1,346 views
The price of a small cabin is $35,000. The bank requires a 5% down payment. The buyer is offered two mortgage options: 20-year
1. 1 answer
2. 941 views
A 0.700 kg object is swung in a circular path and in a vertical plane on a 0.550 m length string. If the angular velocity at the
1. 0 answers
2. 699 views
I need a sentence that will finish my descriptive writing off with a funny personification? Aiming for level 7.
1. 2 answers
2. 488 views
The density of pure diamond is 3.5 g/cm^3. The mass of a diamond is 0.25 g.Calculate its volume.
1. 2 answers
2. 2,843 views
Mrs. Orlof teaches two history classes, one in the morning and one in the afternoon. Yesterday she gave the same test to both
1. 1 answer
2. 669 views
She attributed his shallowness to his luxurious upbringing, in which material comforts like fine clothes and large homes
1. 5 answers
2. 783 views
The store will stay open later during the holiday season. The store will stock a variety of seasonal merchandise.The store will
1. 1 answer
2. 690 views
Suppose y varies directly with x. Write an equation relating x and y.y = −30 when x = 6
1. 1 answer
2. 1,119 views
Suppose that we have a system consisting of two interconnected tanks, each containing a brine solution. Tank A containsx(t)
1. 0 answers
2. 1,177 views
Use Part 1 of the Fundamental Theorem of Calculus to find the derivative of the function.g(x) = e^(3t^2) − 3t dt from 4 to x
1. 1 answer
2. 1,395 views
why does little red riding hood go for a walk in the woods?
1. 8 answers
2. 480 views
Write a balanced chemical equation for the neutralization reaction between aqueous hydrochloric acid and aqueous calcium
1. 3 answers
2. 3,068 views
At noon, ship A is 150 km west of ship B. Ship A is sailing east at 35 km/h and ship B is sailing north at 30 km/h. How fast is
1. 1 answer
2. 869 views
derivative of y=4^(6-x^2)
1. 1 answer
2. 332 views
i am stuck at a question that is asking for the common difference, first term, and general term for the arithmetic sequence the
1. 3 answers
2. 660 views
hi so i am stuck at this question that is asking about arithmetic sequence .Five fence posts are equally spaced between two
1. 3 answers
2. 1,180 views
If possible, solve the following linear systems by Cramer's rule.2x1 + 4x2 + 6x3 = 14 x1 + 2x3 = 0 2x1 + 3x2 − x3 = 30 i am
1. 0 answers
2. 581 views
show that if A= A inverse, then det(A) = +/- 1if A(transpose) = A(inverse), what is det(A)?
1. 0 answers
2. 436 views
Thom has a scale model of his car . The scale is 1:12 . If the actual car has 16-inch weeks,what size are the wheels on the
1. 1 answer
2. 732 views
A grocery store is having a promotion for a new brand of milk.Every gallon has a 20% chance of having a coupon for a free box of
1. 1 answer
2. 670 views
How did diaries look like back then?
1. 3 answers
2. 495 views
yesterday, molly lunch cost $9.80 and she left a $1.49 tip, today molly lunch cost $12.60 if she tips at the same rate that she
1. 2 answers
2. 733 views
holly spend 7 and 3/5 hours in school each day. her lunch period is 1/2 hour long, and she spends a total of 7/10 hour switching
1. 2 answers
2. 1,478 views
Who was the first American-born conductor to lead the New York Philharmonic?
1. 1 answer
2. 555 views
area between the curves y=4-x^2 and y=x-8
1. 1 answer
2. 323 views
what is the velocity (in ft/s) of a sandbag 2.75 s after it is released from a hot-air balloon that is stationary in the air?
1. 1 answer
2. 1,144 views
If your car gets 21.4 mpg, how many L of CO2, will you release into the atmosphere, if you drove the 1280miles from Towson
1. 1 answer
2. 474 views
Johnny is designing a rectangular poster to contain 15 in^2 of printing with a 5-in margin at the top and bottom and a 3-in
1. 1 answer
2. 1,533 views
A box lid is to be made from a rectangular piece of cardboard measuring 72 cm by 216 cm. Two equal squares of side x are to be
1. 2 answers
2. 3,086 views
an open box is to be made from a square piece of cardboard whose sides are 19 inches long,by cutting squares of equal size from
1. 1 answer
2. 1,211 views
A man 6.5 ft tall approaches a street light 17.0ft above the ground at the rate of 8.00 ft/s. How fast is the end of the man's
1. 1 answer
2. 872 views
A man 5.00 ft tall approaches a street light 17.0ft above the ground at the rate of 4.00 ft/s. How fast is the end of the man's
1. 0 answers
2. 746 views
A 13ft ladder is placed against a verticle wall. Suppose the bottom of the ladder slides away from the wall at a constant rate
1. 1 answer
2. 1,059 views
75.0 mL of a 1.40 M solution is diluted to a volume of 248 mL. A 124-mL portion of that solution is diluted using 165 mL of
1. 1 answer
2. 537 views
16. Solve y = log3243.A. y = 0 C. y = 5 B. y = 3 D. y = 243 3. Which of the equations below describes the graph shown here? A. y
1. 2 answers
2. 831 views
the 3rd term of a gpis 10 and the 6th term is 80 find the common ratio No2 if the 2nd term of a gp is 4 and the 5th term is
1. 6 answers
2. 4,562 views
I have no idea how to solve this.In a sample of 16 students, 15 were right-handed. Can we construct a 95% confidence interval
1. 1 answer
2. 1,046 views
A shell is fired from the ground with an initial speed of 1.53 ✕ 103 m/s at an initial angle of 55° to the horizontal.
1. 0 answers
2. 605 views
How did the rise of labour unions shape relations among workers, big business, and government?
1. 1 answer
2. 626 views
I know that the answer to this problem is (0.2237232293) and to begin it by making a force body diagram, but I need help setting
1. 1 answer
2. 603 views
I need help with this problem. I know the answer is (2.1630342940) but I have no idea how to get there. I know i need to sum the
1. 1 answer
2. 443 views
the angle between two forces of 32 AND (neutrons) and 47 N is 36 degrees. Find the magnitude of the resultant force
1. 0 answers
2. 422 views
what is the purpose of changing radicals to rational exponent and changing rational exponent to radicals?
1. 1 answer
2. 380 views
what is the importance of lowering the index of radicals?
1. 0 answers
2. 303 views
give reasons of solving rational exponent or radicals in terms of, addition, subtraction, multiplication and division.
1. 0 answers
2. 385 views
An elephant walks east for a distance of 30 km, then walks north for a distance of 16 km and finally north east at 300 for 18
1. 1 answer
2. 677 views
if $110 is invested for one year at 13% simple interest, how much interest is earned?
1. 2 answers
2. 2,325 views
Australian vegetation is dominated by various species of acacia andA. cacti. B. marsupials. C. ores. D. eucalyptus. Student
1. 9 answers
2. 785 views
During the Neolithic era, the most isolated part of the world wasa)africa b)south asia c)europe d)the americas
1. 7 answers
2. 529 views
solve the following systwm graphically. Be sure to check your solution. if the system has an infinite number of solutions, use
1. 1 answer
2. 609 views
What is the angular velocity of the object shown below if it rotates about the point P in the center? The rotational kinetic
1. 0 answers
2. 472 views
A man is playing tennis and a tennis ball (m=1.2 kg) approaches his tennis racket with a speed of 8.0 m/s. His racket is in
1. 1 answer
2. 863 views
below are the results of tossing a number cube 8 times find the experimental probability of tossing an even number.
1. 19 answers
2. 4,412 views
Suppose that you are sitting in a chair on a Ferris wheel that has a diameter of 120 feet that is boarded 6 feet above the
1. 1 answer
2. 678 views
Suppose that Tiger hit a golf ball with an initial velocity of 150 ft/sec at an angle of elevation of 30°. Write the parametric
1. 1 answer
2. 1,723 views
Given that log5 3=0.683 and log5 7=1.209.without using calculator,evaluate(a) log5 1.4 b)log7 75 c) log3 125
1. 1 answer
2. 3,160 views
log4(2x+4)-3 =log4 3
1. 1 answer
2. 2,834 views
help i do not understand how to solve this question: assume that blood pressure readings are normally distributed with a mean of
1. 1 answer
2. 849 views
assume that blood pressure readings are normally distributed with a mean of 111 and standard deviation of 7. A researcher wishes
1. 1 answer
2. 1,205 views
The sum of three consecutive integers is -204 . What is the largest integer?
1. 2 answers
2. 1,076 views
Dylan's Bicycle Shop offers a new bicycle on sale for $259.92 after a 10% markdown. What was the cost of the bicycle to Dylan if
1. 2 answers
2. 529 views
The Mills Lunch Shop prepares fresh take-out entrees each day. On Tuesday, 40 baked chicken dinners were prepared at a cost of
1. 1 answer
2. 491 views
1 curry and 1 tea cost £4.2 curries and 2 puddings cost £9. 1 pudding and 2 teas cost £2. What do you have to pay in total
1. 1 answer
2. 1,305 views
Pulmonary circulation transports oxygen-poor blood from the right ventricle to the ________, where blood picks up a new blood
1. 1 answer
2. 770 views
Neurons carry out the functions of the nervous system by conducting ________.A. Nerve stimulation B. Nerve tissue development C.
1. 2 answers
2. 708 views
i need help on properties of arithmetic
1. 3 answers
2. 357 views
what does hiv stand for
1. 1 answer
2. 363 views
Hi!I am doing project, its about making the world a better place for humans. I have to join organizations online and subscribe t
1. 1 answer
2. 514 views
Please respond to the following questions either by writing the design name or by describing the design using standard notation
1. 0 answers
2. 611 views
how is America's involvement in WW2 relevant to today?
1. 4 answers
2. 439 views
what does mexico's city site on top of the aztec city suggest about the location?
1. 5 answers
2. 480 views
What is intensity?
1. 1 answer
2. 279 views

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