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Jim

Questions (683)

Let f(x)=7x2.Find a value A such that the average rate of change of f(x) from 1 to A equals 84. A=
1. 4 answers
2. 1,209 views
A store owner bought comforters for x dollars and is marking them up 60 percent write two expressions that represent the selling
1. 5 answers
2. 1,015 views
Please solve:5sin2x + 3sinx - 1 = 0
1. 1 answer
2. 744 views
A pudding recipe requires 2/3 of a cup of milk for every 1-3/4 cups of sugar. What is the unit rate of sugar to milk in the
1. 1 answer
2. 791 views
Use the correct form of factoring in order to find the x intercepts.9r^2-5r-10
1. 3 answers
2. 495 views
Use the correct form of factoring in order to find the x intercepts.9r^2-5r-10
1. 1 answer
2. 550 views
Combine these two simple sentences into a complex sentence.Many industrialized nations use the metric system. The United States
1. 4 answers
2. 6,553 views
Choose the option that corrects the error in the "quote". If no error exists, choose "No change is necessary."Bill, the foreman
1. 13 answers
2. 6,551 views
Ion flame testWhy is it important to not let the wooden splint burn ??
1. 0 answers
2. 430 views
Solve each equation for the variable. Check your solutions, if possible.x/2+1=6
1. 1 answer
2. 576 views
The width of the box is 9 inch more than its length and the height of the box is 1 inch less than its length write an expression
1. 1 answer
2. 453 views
Identify the correct sentence.A. Where is the necklace from your sister and the earrings from your cousin? B. Where are the
1. 3 answers
2. 1,547 views
Identify the INCORRECT sentence.A. Amanda worked diligently on her algebra homework. B. Trudy bought a American-made car. C. My
1. 4 answers
2. 4,262 views
Which is __________ to write, a letter or an essay?A. most easiest B. more easy C. easiest D. easier
1. 6 answers
2. 5,604 views
Find two points on the graph of the parabola other than the vertex and x-intercepts.k ( x ) = ( x − 1 )^(2) − 6
1. 2 answers
2. 2,658 views
Jennifer serves the volleyball to Debra with an upward velocity of 10.5ft/s. The ball is 5 feet above the ground when she
1. 1 answer
2. 3,451 views
What is the molarity of Cu2+ in a catalyzed reaction using 3 drops of CuSO4 at .03M in 50.0ml, and what is the molarity of Cu2+
1. 1 answer
2. 584 views
A certain substance undergoes decomposition by a first-order reaction which has equal to 30.0 minutes. If the initial
1. 3 answers
2. 676 views
At 573 K, gaseous NO2(g) decomposes, forming NO(g)and O2(g). If a vessel containing NO2(g) has an initial concentration of 1.9
1. 2 answers
2. 2,670 views
The reaction 2NO(g) + 2H2(g) N2(g) + 2H2O(g) goes twice as fast when the concentration of H2 is doubled but four times as fast
1. 1 answer
2. 647 views
C. Consider the reaction 2C3H6 + 9O2 6CO2 + 6H2O. If the rate at which C3H6 is reacting is 0.40 mol liter−1s−1, then the
1. 2 answers
2. 1,642 views
Calculate the enthalpy change (ΔH) for: HCl(aq) + NH3(aq) → NH4Cl(aq)The reaction of 50.0 mL of 1.00 M HCl with 50.0 mL of
1. 1 answer
2. 5,947 views
Follow up question: Explain why the reaction of aluminum metal with aqueous sulfuric acid solution has very nearly the same ΔH
1. 1 answer
2. 511 views
If the reaction of 0.500 grams of aluminum metal with excess aqueous HCl releases 9.72 kJ of heat, what is the ΔH value for the
1. 1 answer
2. 638 views
The PH3 molecule is1. linear 5. tetrahedral 2. bent 6. trigonal bipyramidal 3. planar triangular 7. octahedral 4. trigonal
1. 1 answer
2. 1,269 views
Which of the following molecules has a double bond?1. NO3- 4. H2 2. C2H4 5. C12 3. SO2 6. None of the previous answers I got
1. 1 answer
2. 1,648 views
This question is about football matches between teams. A record of games played between teams is stored in a graph G. Each edge
1. 0 answers
2. 673 views
A spaceship is on a straight-line path between the Earth and the Moon. At what distance from (the centre of) Earth is the net
1. 2 answers
2. 1,691 views
Two equal-mass stars orbit their centre of mass. The distance between the stars (measured from the centre of mass of each) is 1
1. 2 answers
2. 866 views
Find 3 consecutive positive integers whose product is 5 more than the cube of the middle number.Tried x*(x+1)*(x+2) = (x+1)^3 +
1. 1 answer
2. 600 views
The solubility of KCL is water is 30g/100g of water at 20 degrees centigrade. A heated solution containing 60g of KCl in 140g of
1. 1 answer
2. 1,112 views
Let f for all Real numbers, be an odd function. Explain why, for any positive number a, the integral from -a to a of f(x) = 0.
1. 1 answer
2. 440 views
(-2c^4)(4cd)(-cd^2)
1. 3 answers
2. 515 views
Should the government establish a national park to preserve the tundra in Alaska?
1. 2 answers
2. 613 views
Solve for y, state the m and b, and graph.X-3y+9=0
1. 2 answers
2. 346 views
A girl pushes on a box of Christmas Ornaments with a mass of 12 kg and it moves an acceleration of 2m/s^2. With what force does
1. 3 answers
2. 1,028 views
Using data for the effect of temperature and wind on an exposed face, the NationalWeather Service uses the following formula,
1. 1 answer
2. 681 views
A rocket is launched straight up. At t seconds after being launched, its altitude is given by h = 4t^2 metres. You are on the
1. 3 answers
2. 663 views
If a man runs for an hour and a half at 8 miles an hour due south; and then he continues south on a bus traveling at 55 miles an
1. 1 answer
2. 627 views
If you were stacking 13 in. boxes in a 58 in. closet, would you round up or round down to determine how many can fit? How many
1. 1 answer
2. 647 views
I need someone's help on editing my paragraph....OPC is a great place for an athlete because OPC offers many options for the
1. 1 answer
2. 602 views
The function f(x) = cx/2 x+3 satisfies f(f(x))=x for all real numbers x\= -3/2. Find c.
1. 1 answer
2. 585 views
The functionf(x) = cx/2x+3 satisfies f(f(x))=x for all real numbers x\= -3/2. Find c. (\= does not equal)
1. 1 answer
2. 594 views
A 10kg suitcase is placed on a horizontal conveyor belt the top of which moves to the right. The coefficient of static friction
1. 0 answers
2. 1,014 views
Trent wants to build a rectangular pen for his animals. One side of the pen will be against the barn; the other three sides will
1. 1 answer
2. 691 views
An F-18 with a weight of 22500 lbs lands on a carrier with a speed of 120 mph. If the run-out of the arresting cable is 160 ft,
1. 0 answers
2. 428 views
I have a 25cm wheel across how many rotations to go 100000 kilometers
1. 1 answer
2. 402 views
write as a single logarithm 2IN plus In y munus In2y
1. 1 answer
2. 457 views
the population of preston is 89000 and is decreasing by 1.8% each yearA:Write a function that models the population as a
1. 1 answer
2. 1,967 views
for what value of x (radicand) and n (index) can the expression "n root x " not be evaluated?
1. 1 answer
2. 446 views
(x+5)^2 - (x-5)^2 is factored, it can be written as Ax where A is a whole number. The value of A is?
1. 2 answers
2. 373 views
How many different surface areas are possible when 8 one inch cubes are arranged so that each has one or more faces in common
1. 0 answers
2. 593 views
If 15 swallows flew 380 miles south then had a rest,then flew 800 miles towards the coast. How many miles did each fly? How many
1. 4 answers
2. 641 views
Stephen was taking photographs of 71 different locations. At each location Stephen too 24 different pictures. How many pictures
1. 2 answers
2. 556 views
A mixture of 20.0 grams of CaO and BaO is placed in a 12.5 L vessel at 200oC with excess CO2 . The mixture is allowed to react
1. 2 answers
2. 644 views
A mixture of 20.0 grams of CaO and BaO is placed in a 12.5 L vessel at 200oC with excess CO2 . The mixture is allowed to react
1. 0 answers
2. 614 views
Find amplitude period and phase shift forF(x)=-3cos(4x+n)+6
1. 1 answer
2. 1,123 views
what are the intermolecular forces present in:1. n-propyl alcohol 2. n-butanol 3. 2-butanol 4. tert-butanol alcohol 5. pentane
1. 1 answer
2. 2,848 views
A ball is thrown upwards with an initial velocity of 16 m/s. What is the velocity of the ball 1.5 s later?After the ball leaves
1. 1 answer
2. 2,604 views
What is the molality of 67.1g of Nano3 in 2.5l of water
1. 2 answers
2. 544 views
how wud u prepare 1L of a 1.30M aqueous solution of barium sulfideexplain
1. 1 answer
2. 478 views
how much heat has been absorbed by 2500g of water when its temperature changes from 23c to 27c PLEASE EXPLAin
1. 3 answers
2. 429 views
"I'd done a car for one of her patients, who told her about me." Which of the following describes the part, "who told her about
1. 1 answer
2. 474 views
"Well that's sculpture, making a '74 Toyota look like a '63 Corvette, only I didn't think of it that way...I was doing good
1. 2 answers
2. 620 views
"On windy days, you can hear its wings beating like a pair of brass cymbals."The part, "beating like a pair of brass cymbals"
1. 1 answer
2. 417 views
Which of the following correctly describes this sentence?It looms menacingly over the road from the roof of a farmhouse, a
1. 1 answer
2. 788 views
A piece of an aluminum can was cut into small pieces. Then 0.422 g of the chips from the can was used toprepare potassium alum
1. 1 answer
2. 1,118 views
I’d done a car for one of her patients, who told her about me.”Which of the following describes the underlined words in this
1. 2 answers
2. 573 views
“Well that’s sculpture, making a ’74 Toyota look like a ’63 Corvette, only I didn’t think of it that way... I was
1. 2 answers
2. 541 views
There are no pterodactyls in Ramirez’s front yard, but there are a mother dolphin, her baby, and two sheep. There’s a Don
1. 1 answer
2. 622 views
What does the part, "beating like a pair of brass cymbals" constitute?On windy days, you can hear its wings beating like a pair
1. 1 answer
2. 513 views
What type of sentence is this? (simple, complex, compound, compound-complex)1. It looms menacingly over the road from the roof
1. 1 answer
2. 573 views
A man pushes a stalled car with a horizontal force of 312 N. The car does not move. What is the frictional drag force on the
1. 0 answers
2. 739 views
During a launch of the shuttle, fuel is being burned at a rate of 2000 kg every second. the exhaust from the burning of this
1. 1 answer
2. 762 views
Two children are playing on two trampolines. The first child can jump one and a half times higher than the second child. The
1. 1 answer
2. 645 views
According to the U.S. Census Bureau's most recent data on the marital status of the 242 million Americans aged 15 years and
1. 1 answer
2. 765 views
jason mixed 3/8 cup of sugar with 1 5/6 cups of water. how many more cups of water than sugar did he use in his mixture?
1. 3 answers
2. 1,478 views
Would a substance with a density of 7.89 kg/dm^3 float on a substance that has a density of 14.2 g/ml?
1. 2 answers
2. 390 views
A graduated cylinder contains 56.3ml of water. A metal cylinder is dropped in the water and is completely covered by water. The
1. 2 answers
2. 1,113 views
Alice, Bob, and Charlie are three siblings with ages a, b, and c respectively. Their combine age is 18 years. Charlie is older
1. 2 answers
2. 788 views
The men's marathon world record was in a time of 2hours, 4minutes, and 55 seconds. The standard distance is 26 miles 385 yard.
1. 1 answer
2. 462 views
write a problem with lengths in feet using the numbers 29 and 56. write the answer to your problem.
1. 1 answer
2. 414 views
Jane has a piece of wood that is 24 inches long. She uses 6 inches for one project and 9 inches for another project. How much
1. 1 answer
2. 439 views
Tyler and Mia join popcorn strings to make a string 84 centimeters. Tyler's popcorn strings is 36 centimeters long. How many is
1. 1 answer
2. 453 views
Logan measures the height of his rose bushes. One rose bush is 35 centimeters tall. Another rose bush measures 39 centimeters
1. 1 answer
2. 544 views
Tyler and Mia join popcorn strings to make 84 centimeters. Tyler's popcorn string is 36 centimeters long. How long is Mia's
1. 1 answer
2. 1,287 views
Ryan watches 2 bullfrogs jump a total of 39 inches. One bullfrog jumps 22 inches. How far did the second bullfrog jump?
1. 1 answer
2. 495 views
Anna has 16 inches of silver lace and 19 inches of gold lace. How much lace does Anna have?
1. 1 answer
2. 1,069 views
a farmer has 400 meters of fence with which to enclose a portion of land. the farmer wants to enclose a rectangular piece of
1. 3 answers
2. 1,410 views
Rona bought a length of rope. She cut off 1 meter of rope. Now she has 3 meters of rope. How much rope did Rona buy?
1. 1 answer
2. 670 views
Len buys 24 centimeters of blue trim and some gold trim. She buys a total of 54 centimeters of trim. How much gold trim does Len
1. 1 answer
2. 542 views
Ray has a board that is 16 feet long. He cuts off 11 feet to make a shelf. What is the length of the board that is left?
1. 1 answer
2. 548 views
An inverted conical tank is 3m tall and 1m in diameter at its widest point. The wateris being pumped out of a spout 2m above the
1. 1 answer
2. 758 views
Computer catalog has a computer monitor that is 19 inches. The 19 inches is the diagonal distance across the screen. If the
1. 1 answer
2. 617 views
Two vans leave a parking lot at the exact same time. A few minutes later, car 1 is 8 miles due east of the parking lot and car 2
1. 1 answer
2. 641 views
The County Roads Department is stockpiling salt for use next winter. The salt is being unloaded fromrailroad cars by a conveyor
1. 2 answers
2. 590 views
find dy/d(theta)theta=2 , if y=sin(pi/(square root(theta^2+5))) Show steps thanks!!!
1. 3 answers
2. 514 views
For proton NMR spectra, does a peak at 0 ppm indicate anything significant or is it likely to be a signal arising from a
1. 0 answers
2. 555 views
find the derivative of the function. Simplify where possible.F(theta)=arcsin(square root of (sin9(theta)))
1. 1 answer
2. 431 views
If there are 6 red tiles and 5 blue tiles in a box, what are the chances that you will pick a red tile without looking?
1. 2 answers
2. 1,725 views

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