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A person pushes on a doorknob with a force of 5N. The direction of the force is at an angle of 20 degrees from the perpendicular
1. 0 answers
2. 1,018 views
A clock has a second hand whose tip rubs against the inside of the glass cover. If the frictional force between the glass cover
1. 1 answer
2. 813 views
A 30-caliber rifle with a mass of 2.80 kg fires a 9.84- g bullet with a speed of 726 m/s with respect to the ground. What
1. 1 answer
2. 643 views
What is 3.9 x 4.67 equal to?
1. 1 answer
2. 316 views
Two objects are moving in the xy-plane. No external forces are acting on the objects. Object A has a mass of 3.2 kg and has a
1. 0 answers
2. 788 views
A mass of 2.0kg traveling at 3.0 m/s along a horizontal plane hits a relaxed spring 20cm away from it. The coefficient of
1. 1 answer
2. 778 views
A mass of 2.0kg traveling at 3.0 m/s along a horizontal plane hits a relaxed spring 20cm away from it. The coefficient of
1. 0 answers
2. 593 views
A concentration cell consists of two Sn/Sn2+ half-cells. The cell has a potential of 0.12V at 25 ∘C.What is the ratio of the
1. 2 answers
2. 3,659 views
Hello. On the homework for my middle school chemistry class, one of the questions asks me to identify "the four classifications
1. 1 answer
2. 462 views
If the average cost per salaried employee increases by $4,000 in the Kitchen Department, what is the new average cost per
1. 1 answer
2. 566 views
estimate the area of the rectangles5 7/9 by 3 1/5 7 7/8 by 1 1/3 Estimate each product. 3/8 X 4
1. 2 answers
2. 463 views
A rancher with 750ft of fencing wants to enclose a large rectangle area and then divide it into four equal-sized pens to hold
1. 3 answers
2. 1,193 views
The Z Corporation needs $180,000 in 60 months. If they deposit $2,000 per month for the first 20 months, $2,500 for the next 20
1. 1 answer
2. 546 views
What was the relationship between the popularity of rice in Europe and slavery in the Southern colonies?
1. 1 answer
2. 443 views
Does Earth rotate or orbit each day?
1. 2 answers
2. 438 views
A bowling ball traveling with constant speed hits the pins at the end of a bowling lane 16.5 m long. The bowler hears the sound
1. 1 answer
2. 911 views
A scientist designed an experiment to test the effect of temperature on bacterial growth. He grew three different cultures of
1. 2 answers
2. 2,907 views
Mike gave Danny 4 more marbles than he already had. He now has 100 marbles. How many marbles did Mike give to Danny?I don't no
1. 4 answers
2. 625 views
27 - (-9) (-2) ÷ 3 * (-4) - 0 - 33 - (-39)
1. 2 answers
2. 342 views
In triangle PQR, <R=90 degrees, <Q=10 degrees and RQ=16 cm. Find PR.
1. 1 answer
2. 490 views
I am trying to find an online radio podcast that middle school students can use to host their own radio show. Can you help me
1. 3 answers
2. 496 views
John spoke to his friend from 10:15am-11:00am. And then John spoke to that same friend again from 12:30pm-1:15pm. altogether,
1. 2 answers
2. 591 views
For the graph y find both x-intercepts by solving the equation 3x^2 - 24x + 45 =0a) Direction of opening b)y-intercepts c)Axis
1. 1 answer
2. 583 views
For the graph y find both x-intercepts by solving the equation 3x^2 - 24x + 45 =0
1. 1 answer
2. 468 views
Im in Chem. but looks like physics.. If a rock climber accidentally drops a 70.5 g piton from a height of 295 meters, what would
1. 1 answer
2. 819 views
What is the maximum height achieved if a 0.800 kg mass is thrown straight upward with an initial speed of 40.0 m·s–1? Ignore
1. 1 answer
2. 1,457 views
What is the maximum height achieved if a 0.800 kg mass is thrown straight upward with an initial speed of 40.0 m·s–1? Ignore
1. 3 answers
2. 1,171 views
HOw do I explain how you would make a scale map of a room in your home.
1. 1 answer
2. 432 views
Evaluate the definite integral.function: (t+8)(t^2+3) with respect to variable t lower limit: -sqrt(2) upper limit: sqrt(2)
1. 2 answers
2. 636 views
Evaluate the definite integral.function: x+13 with respect to variable x lower limit:0 upper limit:22
1. 4 answers
2. 678 views
Find a and n such that:8+16+32+64+128 (k=a) a=? n=?
1. 1 answer
2. 307 views
Solve the following initial value problem:dr/dt=7cos(pi(t)), r(1/4)=14 r(t)=?
1. 1 answer
2. 431 views
explain why glucose 1,6 bisphosphate would not be able to go through the aldolase reaction.
1. 0 answers
2. 302 views
Explain using electron-pushing arguments why glycolysis must go through G6P to F6P step (C1 aldehyde to C1 ketone). Focus on the
1. 0 answers
2. 417 views
Explain using electron-pushing arguments why glycolysis must go through G6P to F6P step (C1 aldehyde to C1 ketone). Focus on the
1. 0 answers
2. 400 views
Find the value of k so that the line containing the points (−8,8) and (2,k) is perpendicular to the line containing the points
1. 1 answer
2. 472 views
Evaluate ∬R xy dA, where R is the region bounded by x^2+y^2≤36, x≥0 and y≥0.
1. 1 answer
2. 617 views
Calculate Activation Energy, Ea, for each of the reactions, above? ln(k)= -2.24x10^4(1/T)-1.8. The reactions are Step 1: 2H2 +
1. 0 answers
2. 454 views
(-3xy^2)^2(-2x^5y^3)^3
1. 1 answer
2. 515 views
nearly everybody has witnessed a lunar eclipse, but relatively few people have seen a solar eclipse? why
1. 1 answer
2. 578 views
I have a complex figure like a U shape.I understand the formula for this is l x w = a Can you show me the steps? 31m is parael
1. 7 answers
2. 3,581 views
Simplify (sin^2)*(67.5deg) - (cos^2)*(67.5deg) and then evaluate exactly.
1. 4 answers
2. 575 views
What gave Andrew Jackson the power to remove the Cherokee from their land?Georgia state laws Acts of Congress two Supreme Court
1. 1 answer
2. 959 views
What did the Supreme Court cases and the ultimate outcome for the Cherokee suggest about future dealings between the United
1. 7 answers
2. 633 views
A treaty was signed in 1842 to end the border dispute between the United States and Britain in Maine. Which best expresses the
1. 2 answers
2. 1,701 views
Which answer best describes the main purpose of Monroe Doctrine?to claim new United States territories in the West to warn
1. 6 answers
2. 1,597 views
What was the goal of the Missouri Compromise?to create a slave state and a non-slave state to create a free state where fugitive
1. 3 answers
2. 733 views
What was the goal of manifest destiny?to expand America's borders to remove Native Americans to create an alliance with Mexico
1. 0 answers
2. 438 views
What gave Andrew Jackson the power to remove the Cherokee from their land?Georgia state laws Acts of Congress two Supreme Court
1. 4 answers
2. 645 views
Biphenyl, C12H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6. At 25 °C, the vapor pressure of pure
1. 1 answer
2. 822 views
If 10-kg of ice at 0 degrees Celsius is added to 2-kg of steam at 100 degrees Celsius, the temperature of the resulting mixture
1. 0 answers
2. 1,300 views
If 145 J of heat energy is applied to 34.47 g of an unknown metal, the temperature increases from 61.0 degree C to 78.5 degrees
1. 1 answer
2. 528 views
If 1 gram of sugar is 4 Calories(kcal) how many calories are in one sugar cube
1. 1 answer
2. 531 views
A wave travels 750 meters in 5 minutes. Its wavelength is 16.1 meters.What is its period?
1. 1 answer
2. 344 views
A 1.2 kg rectangular air mattress is 2.1 mlong, 0.46 m wide, and 0.09 m thick. If it has a mass of 1.2 kg , what additional mass
1. 1 answer
2. 723 views
You freeze 92g of water, and it becomes a cube of ice.a. What is the mass of the ice cube? b. The cube's volume os 100cm3. What
1. 2 answers
2. 992 views
Jillian wants to organize her CD collection into wooden crates. Each crate holds 8 CDs. Jillian has 48 CDs. How can she use a
1. 7 answers
2. 998 views
The police department must determine a safe speed limit on a bridge so that the flow rate of cars is at a maximum per unit time.
1. 1 answer
2. 754 views
the floodlight is 6.1m tall. Jonny's height is unknown,though his shadow is 2m long when he stands 3m from the base of a
1. 1 answer
2. 358 views
There are 36 pupils in a class. Each girl is given 8 books and each boy is given 3 books. The total number of books the girls
1. 2 answers
2. 1,350 views
Which of the following is typically included in a stock listing?The company's SEC registration credentials The predicted price
1. 1 answer
2. 735 views
A cannonball is shot (from ground level) with an initial horizontal velocity of 33.0 m/s and an initial vertical velocity of
1. 0 answers
2. 647 views
Derivative of 7^(SinX)... something to do with log/ln?
1. 2 answers
2. 443 views
Would water-insoluble alcohols, like 1-octanol, be soluble in aqueuous NaOH?
1. 1 answer
2. 503 views
Would water-insoluble alcohols, like 1-octanol, be soluble in aqueuous NaOH?
1. 0 answers
2. 409 views
How much AgNO3 is needed to prepare a0.282 m solution in 425 mL of water? Answer in units of g
1. 1 answer
2. 484 views
The disk has mass 10kg and radius 0.25m. The rod has mass 5kg, length 0.5m and radius 0.05m. The rod is split down the middle
1. 1 answer
2. 597 views
True or false? (if false, replace word in *here*)1) The random changes of allele frequencies associated with genetic drift
1. 1 answer
2. 1,085 views
how do I solve PATH*AT=DENSE using the numbers 6,3,4,1,7,2,0,9. Thanks
1. 0 answers
2. 347 views
In archery class, Jocelyn missed the target 5 times in 40 shots. What is the probability that her next shot will miss the
1. 1 answer
2. 988 views
How you can evaluate the performance of the institutional arrangements of alcohol consumption among student-athletes in
1. 0 answers
2. 365 views
each set of probabilities is associated with a rolling cube. What numbers are marked on the faces of each cube?P(2)=1/3 P(4)=1/3
1. 1 answer
2. 706 views
If 30 hamburgers feed 25 how many burgers feed 45
1. 2 answers
2. 374 views
Assume it costs Microsoft $4,300 to manufacture 7 Xbox 360s and $8,290 to manufacture 14. Obtain the corresponding linear cost
1. 0 answers
2. 953 views
A rock stuck in the tread of a 50.0 cm diameter bicycle wheel has a tangential speed of 3.5 0m/s . When the brakes are applied,
1. 0 answers
2. 488 views
A rock stuck in the tread of a 50.0 cm diameter bicycle wheel has a tangential speed of 3.5 0m/s . When the brakes are applied,
1. 1 answer
2. 515 views
The sum of the 4th and the 14th term of an arithmetic sequence equals 22. The 9th term is 4 larger than the 4th term. Calculate
1. 2 answers
2. 1,126 views
this is the last problem on my homework and I JUST CANT GET THE RIGHT ANSWER!! Help. :/limit as x -> -infinity of: (1-(3/x))^2x
1. 1 answer
2. 379 views
What is the vertical and horizontal asymptotes of.. 3x _________ x^2-3x-10
1. 1 answer
2. 1,460 views
What is the upper and lower bound ofsin x+2
1. 1 answer
2. 1,639 views
Locate a diagram of an organism with the main organs and structures labeled.Locate a diagram of an organism with the main organs
1. 0 answers
2. 531 views
What are three readable resources that explain the history of radio?
1. 0 answers
2. 343 views
A 30-foot cable is suspended between the tops of two 20-foot poles on levelground. The lowest point of the cable is 5 feet above
1. 0 answers
2. 581 views
What is the pH and pOH a solution that was made by adding 400 mL of water to 350 mL of 5.0 x 10^-3 M NaOH solution?
1. 1 answer
2. 1,065 views
What is the pH of hydroiodic acid (HI)?
1. 0 answers
2. 368 views
Identify two ways that scientists address bias in their research.How should I answer?
1. 0 answers
2. 504 views
There is something wrong with this definition for a pair of vertical angles: "If line AB and line CD intersect at point P, then
1. 3 answers
2. 2,240 views
What is the tone of Tess of the D'urbevilles?
1. 2 answers
2. 487 views
What are common Spanish street suffixes (like Street = Calle)?
1. 2 answers
2. 522 views
Where can I get study questions for the story Julie of the Wolves?
1. 1 answer
2. 529 views
For homework, I have to use those two lessons that Julie learned in the novel Julie of the Wolves to make an essay. Here is the
1. 14 answers
2. 1,317 views
What lessons do Julie learn in the novel Julie of the wolves. I already read the story several times, looked at a few study
1. 2 answers
2. 601 views
Could anybody check my English essays?I'm looking for native English teacher who is willing to help me with improving my written
1. 1 answer
2. 616 views
How many grams of propane (C3H8) must be burned to release 3600kJ of energy?Standard Heat of combustion for Propane= -2220
1. 0 answers
2. 1,347 views
The equation of the line for a graph of voltage versus log[Cu2+] was y= - 0.0179x - 0.0015. The voltage of a solution with an
1. 1 answer
2. 839 views
determine the pH of a solution made by mixing 8 ml of 1.10M acetic acid and 2ml 0.9 M sodium acetate solution. pKa for acetic
1. 1 answer
2. 731 views
The following volumes of 0.000300 M SCN are diluted to 15.00mL determine the concentration of SCN in each sample after dilution.
1. 3 answers
2. 4,509 views
This is a question on a study guide for a test tomorrow. How do you do it? Please helpAccording to the Federal Highway
1. 1 answer
2. 1,003 views
How many grams of lithium will combine with 29.1 g of sulfur to form the compound Li2S?
1. 1 answer
2. 1,576 views
Zwei Skifahrer, verschiedenes Gewicht (50 kg, 100 kg), gleiche Piste, wer ist schneller, welche Formel?
1. 1 answer
2. 387 views

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