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Jessi

Questions (98)

What is the text structure of the stories in high flying hero and hang on dolly?
1. 1 answer
2. 20 views
What is authors point of view and central idea I high flying hero and hang in there dolly?
1. 1 answer
2. 69 views
Which statement presents an advantage of using electronic ballots? (1 point)• Hackers cannot access the system to change the
1. 1 answer
2. 66 views
Why might someone choose to use film, rather than digital methods, for photography? (1 point)• Digital images are more
1. 1 answer
2. 74 views
Which of these describes digital transmissions and not analog transmissions? (1 point)• continuous • 1s and Os • sine
1. 1 answer
2. 72 views
Waves Unit TestTwo similar waves are traveling through the same medium. Wave A has a frequency that is 3 times that of wave B.
1. 1 answer
2. 124 views
If a wave transfers from one medium to another medium with different properties, which statement is true? (1 point)• The
1. 1 answer
2. 95 views
What happens to an ultrasound wave that moves from muscle to bone?• The wavelength of the wave decreases. • The frequency of
1. 1 answer
2. 61 views
As a wave travels from one spring to another spring with a different mass, its wavelength decreases by 25%. Which statement
1. 1 answer
2. 79 views
The speed of a wave is 2 m/s, and its wavelength 0.4 meters. What is the period of the wave? (1 point)• 0.2 seconds • 2
1. 1 answer
2. 47 views
Which phrase correctly defines the amplitude of a wave? (1 point)• the vertical distance from the trough of a wave to the
1. 1 answer
2. 71 views
When the string on a violin vibrates, waves move in both directions along the string, interfering with each other.Sometimes
1. 1 answer
2. 60 views
3x + 2y ≥ 10
1. 1 answer
2. 168 views
Twice the number of a number and 4 is 5Use the variable b for the unknown number
1. 1 answer
2. 290 views
Which is the best estimate of the sum of 5 1/5 and 8 5/6?
1. 5 answers
2. 1,533 views
Q has a negative charge and is equal to -7.5. It's equidistant from both q1 and q2. q1 is 10 cm away from Q and q2 is 10 cm away
1. 2 answers
2. 530 views
If a wave has a frequency of 5.5 x 10 to the 14th s -1, what is the wavelength in nm ? 1m = 10 to the 9 th nm
1. 3 answers
2. 1,134 views
Comute f(x) ofa) f(x) = sinxcosx / sinx + cosx b) f(x) = (1-x^2) / (1+x+x^2) c) f(x) = x^7 secx
1. 2 answers
2. 468 views
Solve 5m - 8 > 12Solve 12 - 3a > 18 Solve 5m - 4 < 2m + 11 Solve 2r - 18 ≤ 5r + 3 Solve 26p - 20 > 14p + 64 Can someone give
1. 1 answer
2. 1,271 views
Can someone tell me what property this is?5(1) = 5
1. 1 answer
2. 712 views
11. What was significant about the role of the Green Mountain Boys?
1. 0 answers
2. 922 views
Given that |a-2| = 9 and |w-1| = 6, where a < 0 and w < 0, what is the value of aw? Please help and explain.
1. 1 answer
2. 358 views
What are the effects of cultural diffusion in the Mediterranean?(I couldn't find the answer in my text book, the only thing I
1. 3 answers
2. 839 views
5.00g aluminum sulfide and 10.0g water react according to the reaction:Al2S3 + 6 H2O -> 2 Al(OH)3 + 3 H2S What is maximum mass
1. 2 answers
2. 1,925 views
What role does the environment play in convergent evolution?
1. 1 answer
2. 830 views
Describe the changes you'll see (evolution wise) if you were granted 1 million years of life.
1. 3 answers
2. 980 views
Describe the changes you'll see (evolution wise) if you were granted 1 million years of life.
1. 1 answer
2. 509 views
A 1320-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960-N crate
1. 1 answer
2. 3,693 views
Some bacteria are propelled by motors that spin hair-like flagella. A typical bacterial motor turning at a constant angular
1. 1 answer
2. 760 views
Determine h'(x) for h(x)= [x/(1-x)]^2
1. 1 answer
2. 366 views
Which of the following is a point at which the tangent to y=(x-2)^2(x+3) is horizontal?a) (-2,16) b) (-1, 18) c) (1,4) d) (2,0)
1. 1 answer
2. 514 views
Determine the slope of the tangent to the curve y=2(x^2+x-1)^3 at (-1, -2)
1. 2 answers
2. 470 views
Determine the coordinates of the point(s) on the graph of y=3x- 1/x at which the slope of the tangent is 7.So the derivative of
1. 1 answer
2. 597 views
How many horizontal tangents does the graph of f(x)=(x-1)^2(x-3)^2 have?f(x)=(x-1)^2(x-3)^2 =2(x-1)(1)+2(x-3)(1) =2x-2+2x-6
1. 0 answers
2. 640 views
How long does it take a plane, traveling at a speed of 170 m/s, to fly once around a circle whose radius is 3500 m?
1. 1 answer
2. 508 views
how do you use the substitution method to solvex + y =2 y = -2x
1. 1 answer
2. 434 views
Joey weighs 77 lb and sits on a seesaw at a distance of 30 inches from the fulcrum. Jennyweighs 67 lb and sits on the opposite
1. 1 answer
2. 680 views
so I have this problem and I don't know what numbers to multiple and whatnot. Can someone help me?This is the problem: 4000 g
1. 3 answers
2. 878 views
2y^-3 = 4e^(-x/2)/(1+e(-x/2))my teacher gave this problem in my chem class and i don't know what he is really asking , does any
1. 0 answers
2. 487 views
Can you help me balance some equations? I tried and failed several times...1. calcium hydroxide + phosphoric acid yield calcium
1. 1 answer
2. 1,036 views
A particle is released on the smooth inside wall of a cylindrical tank at A with a velocity v which makes an angle beta with the
1. 0 answers
2. 644 views
Katherine Company's Sales Budget Has The Following Unit Sales Projection For Each Quarter Of The Calendar Year 2009. January
1. 0 answers
2. 680 views
Upon its return voyage from a space mission, the spacecraft has a velocity of 24000km/h at point A, which is 7000km from the
1. 2 answers
2. 1,037 views
PLEASE, PLEASE, can you give me the step to calculate these:1.Prepare the beginning inventory for the first quarter 2.Prepare
1. 0 answers
2. 885 views
Fi a company has a policy of maintaining an inventory of finished goods equal to 30 percent of the following month's sales. For
1. 1 answer
2. 837 views
The 60kg collar slides on the curved rod in the vertical plane with negligable friction under the action of constant force F in
1. 0 answers
2. 646 views
A small bead of mass m is carried by a circular hoop of radius r which rotates about a fixed vertical axis. Show how one might
1. 1 answer
2. 1,019 views
Block A has a mass of 20kg and is placed on top of cart B which has a mass of 100 kg. Blosk A has a pulley attatched to it with
1. 1 answer
2. 917 views
A 120-V motor has mechanical power output of 2.00 hp. It is 82.0% efficient in converting power that it takes in by electrical
1. 2 answers
2. 1,783 views
In the design of a control mechanism, the vertical slotted guide is moving with a constant velocity x'= 15in/s during the
1. 1 answer
2. 1,801 views
How are the radii of 2 two concentric circles related to the distance between them?I tried making an equation using their
1. 1 answer
2. 1,169 views
A meteor P is tracked by a radar observatory on the earth at O. When the meteor is directly overhead (theta = 90), the following
1. 3 answers
2. 2,168 views
A test car starts out from rest on a horizontal circular track of 80m radius and increases it's speed at a uniform rate to reach
1. 2 answers
2. 3,757 views
A car is traveling at a constant initial velocity of 100km/h on a level portion of road. It encounters a 6 percent incline
1. 2 answers
2. 963 views
can someone please help me asap with this two problems I'm really stuck here.1) solve for j if b=j+v/2 2) 9r+9s+9
1. 2 answers
2. 571 views
A block sits against a vertical wall and a 120 lb force P acts diagonally to the left on the block at an angle below the
1. 2 answers
2. 885 views
I need help asap pleaseWhich figure above, if any, is topologically equivalent to the given figure? Identify the topologically
1. 1 answer
2. 644 views
Each of the four wheels of the vehicle weighs 40 lb and is mounted on a 4in diameter journal. The total weight of the vehicle is
1. 2 answers
2. 652 views
Can some one please help me with this 3 problems I have a hard time with probabilities I'm studying for my mid-term. Thank you1)
1. 6 answers
2. 774 views
A cylinder that has a 40.0 cm radius and is 50.0 cm deep is filled with air at 20.0°C and 1.00 atm. A 21.0 kg piston is now
1. 4 answers
2. 8,949 views
A block of unknown mass is attached to a spring with a spring constant of 6.00 N/m and undergoes simple harmonic motion with an
1. 0 answers
2. 815 views
How many grams of NaCL are required to make 250ml of a 0.4M solution?
1. 2 answers
2. 1,967 views
There are 200 mmoles NaOH/400ml. What is the molarity of the solution?
1. 1 answer
2. 538 views
If you had 6 moles in a 600ml of solution, what would be the molarity?
1. 3 answers
2. 647 views
What weight of NaOH would be required to prepare 3000ml of a 2.5M solution?
1. 2 answers
2. 1,046 views
What is the molarity of a solution prepared by diluting 100g of NaH2PO4 to 1L?
1. 1 answer
2. 586 views
Use the dot product to show that the line c = by + ax is perpendicular to vector v = <a,b>They seem like they would be parallel.
1. 1 answer
2. 514 views
How would you prepare 100 ml of 0.9% w/v saline?
1. 1 answer
2. 525 views
Describe how you would prepare 500 ml of a solution that is 40% bleach solution by volume.
1. 1 answer
2. 877 views
How many milliliters of a 2000.0 mg/dl stock solution are needed to prepare 100.0 ml of a 150.0 mg/dl working solution?
1. 3 answers
2. 1,201 views
A 2% solution of Hydrochloric acid is required for a procedure. A 5% solution is availabe. How much of the 5% solution will be
1. 1 answer
2. 639 views
How would you prepare 100 ml of 0.9% w/v saline?
1. 0 answers
2. 519 views
Describe how you would prepare 500 ml of a solution that is 40% bleach solution by volume.
1. 0 answers
2. 505 views
How many milliliters of a 2000.0 mg/dl stock solution are needed to prepare 100.0 ml of a 150.0 mg/dl working solution?
1. 2 answers
2. 735 views
A mass m is attached to a cord passing through a small hole in a frictionless, horizontal surface. The mass is initially
1. 1 answer
2. 1,229 views
A straight ladder is leaning against the wall of a house. The ladder has rails 4.50 m long, joined by rungs 4.800 m long. Its
1. 0 answers
2. 537 views
How many milliliters of glacial acetic acid are needed to prepare 2.0 L of 10.0% volume/volume acetic acid?
1. 1 answer
2. 963 views
Last one. Describe how you would prepare 100ml of a solution that is 22% acetic acid by volume?
1. 1 answer
2. 881 views
Last one. Describe how you would prepare 100ml of a solution that is 22% acetic acid by volume?
1. 1 answer
2. 622 views
Last one. Describe how you would prepare 100ml of a solution that is 22% acetic acid by volume?
1. 0 answers
2. 430 views
One liter of 70% alcohol is needed. How much 95% alcohol is required to make the 70% solution. And thank you for last question
1. 1 answer
2. 2,074 views
One liter of 70% alcohol is needed. How much 95% alcohol is required to make the 70% solution. And thank you for last question
1. 1 answer
2. 860 views
A 200 mg/dl solution was diluted 1:10. This diluted solution was then additionally diluted 1:5. What us the concentration of the
1. 3 answers
2. 3,898 views
An 6.00 g bullet is fired into a 2.30 kg block initially at rest at the edge of a frictionless table of height 1.00 m. The
1. 2 answers
2. 1,898 views
A loaded ore car has a mass of 935 kg and rolls on rails with negligible friction. It starts from rest and is pulled up a mine
1. 0 answers
2. 781 views
A block of mass 0.570 kg is pushed against a horizontal spring of negligible mass until the spring is compressed a distance x.
1. 1 answer
2. 1,371 views
Ms. Snyder wants to buy a television at an electronics store. All televisions at the store are 3/4 of the original price, p. She
1. 1 answer
2. 908 views
How do you solve this:A 20-ounce bag of popcorn costs $2,80. If the unit price stays the same, how much does a 35-ounce bag of
1. 1 answer
2. 1,018 views
A light spring with force constant 3.85 N/m is compressed by 5.00 cm as it is held between a 0.250 kg block on the left and a
1. 1 answer
2. 1,559 views
A potential energy function for a two-dimensional force is of the form U = 3 x2y - 6 x. Find the force that acts at the point
1. 1 answer
2. 848 views
An amusement park ride consists of a large vertical cylinder that spins around its axis fast enough such that any person inside
1. 1 answer
2. 1,418 views
A piece of putty is initially located at point A on the rim of a grinding wheel rotating about a horizontal axis. The putty is
1. 0 answers
2. 1,138 views
could someone please tell me what that means :The entire poem does much to undermine the title of the poem and this is why I
1. 1 answer
2. 783 views
Can someone please proofread my paper?Thanx Neustadt argued that presidential power lies not in the office's legal authority,
1. 1 answer
2. 585 views
What do polynomial functions look like? And what can be consider a polynomial function? Would a graph that is like an upside
1. 3 answers
2. 615 views
What do polynomial functions look like? And what can be consider a polynomial function? Would a graph that is like an upside
1. 0 answers
2. 654 views
What do polynomial functions look like? And what can be consider a polynomial function? Would a graph that is like an upside
1. 0 answers
2. 550 views
need 1-2 pagesNancy Tai has recently opened a revolving charge account with MasterCard. Her credit limit is $1000, but she has
1. 0 answers
2. 577 views

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