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Can someone walk me through how to work this? It's worded weirdly and I'm not sure how to solve it.Mass M1= 2.2 kg lies on a
1. 0 answers
2. 649 views
Can someone walk me through how to work this?A block is being pushed up a frictionless incline by an applied horizontal force,
1. 0 answers
2. 736 views
Can someone help me with this problem? It requires a lot of visualizing and I've never been great at problems like that.A pair
1. 0 answers
2. 695 views
A 42 kg man stands on a bathroom scale in an elevator. Starting from rest at the bottom floor, the elevator ascends, attaining
1. 1 answer
2. 930 views
Hey, I'm studying for my physics class, and I'm not sure how to solve this problem. Can someone walk me through it please? I'd
1. 0 answers
2. 772 views
If Owen gives $40 to Charley, the will have an equal amount of money. If Charley gives $80 to Owen, the ratio of Owen's money to
1. 2 answers
2. 1,967 views
An unknown compound contains only carbon, hydrogen, and oxygen. Combustion analysis of the compound gives mass percents of
1. 1 answer
2. 3,433 views
What is the domain of x/(x-1)?Is it all x <> 1?
1. 1 answer
2. 389 views
This one has been confusing me, can someone walk me through it? I'd like to know which formulas I need to use and everything.A
1. 1 answer
2. 651 views
Hey! I've tried using equations such as weight=m*g for this problem, but I don't think I'm doing it right. Can someone help?A
1. 1 answer
2. 646 views
explain the consequence of x chromosome inactivation in terms of the proteins encoded by the x chromosome genes?
1. 1 answer
2. 521 views
Describe an infinite geometric series with a beginning value of 2 that converges to 10. What are the first 4 terms of the
1. 1 answer
2. 958 views
The 25-lbf block has an initial speed for v0 = 10 ft/s when it is midway between springs A and B. The coefficient of static and
1. 0 answers
2. 819 views
Do you know if there is an online tutorial for the book Office 2013 Marquee by Rutosky, Sequin, Roggenkamp, Rutosky
1. 2 answers
2. 464 views
Alfred and Bob toss a coin alternatively, and whoever gets a head first will win. They play many times and whoever loses in the
1. 3 answers
2. 698 views
A 7.1 kg watermelon is placed at one endof a 5.9 m, 244 N scaﬀolding supported by two cables. One supporting cable is at the
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2. 1,219 views
Consider the titrtation of 25.0mL of 0.0100M Sn2+ by 0.0500M TI3+ in 1 M HCL, using Pt and Saturated Calomel Electrodes to find
1. 0 answers
2. 670 views
Consider the titrtation of 25.0mL of 0.0100M Sn2+ by 0.0500M Ti3+ in 1 M HCL, using Pt and Saturated Calomel Electrodes to find
1. 1 answer
2. 1,120 views
Consider the titrtation of 25.0mL of 0.0100M Sn2+ by 0.0500M Ti3+ in 1 M HCL, using Pt and Saturated Calomel Electrodes to find
1. 0 answers
2. 716 views
The distribution co-efficient of butanoic acid (pKa = 4.8) between water and two organic solvents are given below;Benzene D= 3.0
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2. 615 views
The distribution co-efficient of butanoic acid (pKa = 4.8) between water and two organic solvents are given below;Benzene D= 3.0
1. 1 answer
2. 639 views
Imagine that you have a 7.00L gas tank and a 4.00L gas tank. You need to fill one tank with oxygen and the other with acetylene
1. 5 answers
2. 3,039 views
The thickness of a pure Ag plate on a base metal is to be determined by controlled potential coulometry. The metal sheet is
1. 1 answer
2. 662 views
6 9/8-25/6=
1. 1 answer
2. 337 views
For the curve f(x)=x ln x+(1-x)ln(1-x), find the value of x in the interval 0<x<1 where f(x) has a minimum.
1. 1 answer
2. 487 views
If 25.00 ml of H2SO4 solution is titrated to an end point with 32.16 ml of 0.1986 M NaOH, what is the molarity(M) of the H2SO4
1. 1 answer
2. 529 views
Which of the following factors affect the solubitity?a)temperature of the solutions b)polarity of the solvent vs solute
1. 0 answers
2. 469 views
A boy is dividing M&Ms between himself and his sister. He gives 2 to his sister and takes 2 for himself. He gives 2 to his
1. 2 answers
2. 1,160 views
A ball of mass m is attached to a spring with a spring constant k. The system is attached to a thin vertical axis as shown in
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2. 762 views
A force of 1.24 N pushes against an object with a mass of 0.16 kg for 3.00 min. The object does not move. What is the work done
1. 1 answer
2. 602 views
Limit(7x+6x^2) / (7x^2+6x)x->inf
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2. 385 views
Are Ethnic Groups the same as Societies?
1. 3 answers
2. 476 views
A man has $210,000 invested in three properties. One earns 12%, one 10% and one 8%. His annual income from the properties is
1. 2 answers
2. 4,889 views
The slope of the line tangent to the curve xy+(y+1)^2=6 at the point (2, 1) is
1. 1 answer
2. 629 views
Provide the name(s) for the branched constitutional isomer(s) with the molecular formula C7H16 that have three methyl groups.
1. 1 answer
2. 1,329 views
Provide the name(s) for the branched constitutional isomer(s) with the molecular formula C7H16 that have three methyl groups.
1. 0 answers
2. 1,045 views
A stone was dropped off a cliff and hit the ground with a speed of 112 ft/s. What is the height of the cliff? (Use 32 ft/s2 for
1. 1 answer
2. 1,619 views
A particle is moving with the given data. Find the position of the particle.v(t) = 1.5sqrt(t), s(9) = 33
1. 1 answer
2. 3,622 views
How has Mexico's culture been shaped by conflict among different people?
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2. 636 views
3. After removing membranes from an eggshell, the shell is dried and its mass is recorded as 5.613 g. The egg is transferred to
1. 3 answers
2. 3,219 views
Write neutralization reactions for each of the following acids and bases.HNO3(aq) and Ba(OH)2(aq) Express your answer as a
1. 3 answers
2. 1,289 views
Question: Write a word problem using 7 groups. And then solve the problemCan you give an example?
1. 2 answers
2. 844 views
A cannon is fired from the ground at an angle of 30 degrees. It is being shot an an initial velocity of 200m/s. What is the
1. 3 answers
2. 3,621 views
Hi, I'm working on this piece of code:numLaptops = 7 laptopCost = 599.50 price = numLaptops * laptopCost print("Total cost of
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2. 465 views
A chemist wants to make 5.50 L of a 0.300 M lithium phosphate solution. What mass of lithium phosphate must be used to make this
1. 1 answer
2. 482 views
Suppose that the amount of time it takes the IRS to refund to taxpayers is normally distributed with a mean of 12 weeks and a
1. 1 answer
2. 610 views
A lamp post 3m high is 6m from a wall. A 2m man tall is walking directly from the post toward at 2.5m/s. How fast is his 1.5
1. 3 answers
2. 1,939 views
a sample of freon-12 occupies 25.5 litters at 28 celsius find its volume at 15 degree celcius when the pressure is kept constant
1. 1 answer
2. 728 views
A water balloon is launched at a building 24m away with an initial velocity of 18 m/s at an angle of 50° above the horizontal.
1. 2 answers
2. 1,724 views
A water balloon is launched at a building 24m away with an initial velocity of 18 m/s at an angle of 50° above the horizontal.
1. 1 answer
2. 1,528 views
how to calculate the weight of solute req'd to prepare 1 liter of 1 normal of:a.) LiOH b.) phosphoric acid HELP.
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2. 403 views
A plane starts from rest at the end of a runway and requires 200.0 km/h for takeoff . If it takes 30.0 a to reach takeoff speed,
1. 1 answer
2. 834 views
A bank account is growing by 4.3 % per year. Find the doubling time.Round your answer to the nearest integer. Can someone
1. 2 answers
2. 1,378 views
Use the Rule of 70 to estimate how long it takes a dollar-sign 7000 investment to double if it grows at the annual rate 7 %.
1. 1 answer
2. 851 views
Using the following cash flows for projects A and B, use payback period, discounted payback period, NPV, IRR, and MIRR to see if
1. 0 answers
2. 768 views
A ball is thrown so that the motion is defined by the equations x=5t and y=2+6t-4.9t^2, where x and y are expressed in meters
1. 2 answers
2. 1,496 views
An airport has runways only 196 m long. Asmall plane must reach a ground speed of 38 m/s before it can become airborne. What
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2. 790 views
I have been out of school 27 years; no Algebra or Trigonometry training: only remedial math.This class is part of a Diploma
1. 1 answer
2. 621 views
Determine the number of protons and electrons in each of the following ions.Na+ Enter your answers numerically separated by a
1. 1 answer
2. 984 views
Using the factoring method, solve for the roots of quadratic equation4x^2=16
1. 1 answer
2. 502 views
Factor by using the difference of two square formula1-25z^2
1. 1 answer
2. 429 views
A box is at rest on a 34incline. what is the force of friction parallel to the ramp if box has a mass of 50-kg
1. 1 answer
2. 408 views
When the perimeter of an equilateral triangle is doubled, the result is 24. The length of a side of the original triangle isA. 4
1. 4 answers
2. 1,267 views
What's 25 inch by 12 1/2
1. 1 answer
2. 412 views
Your program has a proposed RDT&E-funded project scheduled to start in January 2005 which is expected to take 16 months to
1. 0 answers
2. 632 views
Determine the electric force of a -8.0uc charge would experience when placed 14cm to the left of a 5.0uc charge.got 18N, but I'm
1. 0 answers
2. 571 views
Write the quadratic function in standard form (if necessary) and sketch its graph.Identify the vertex. f(x)=x^2+3x+1/4
1. 1 answer
2. 725 views
a 50kg mass is suspended from a spring, causing it to extend by 30mm. calceolate the spring stiffness?The mass is then pulled
1. 0 answers
2. 589 views
Pretty Lady Cosmetic Products has an average production process time of 40 days. Finished foods are kept on hand for an average
1. 1 answer
2. 1,654 views
A small charge that has lost 5.0 X 10^3 electrons and has a mass of 2.0 x 10^-6 kg experiences an acceleration of 15ms^2 when
1. 4 answers
2. 562 views
Determine the final velocity of an alpha particle (3.2x10^-19) if it is placed in a 7.2x10^6 n/c uniform field. The mass of the
1. 4 answers
2. 732 views
Use the systematic treatment of equilibrium to determine the pH and concentrations of species in 1.00 L of solution containing
1. 0 answers
2. 1,236 views
The Fridge-Air Company's preferred stock pays a dividend of $4.50 per share annually. If the required rate of return on
1. 1 answer
2. 972 views
Ti'a rectangular gaden has perimeter of 20 meters. She wants its area to be at least 24 square metesr. Find the interval for the
1. 3 answers
2. 774 views
A glass held 2/5 cup of water, Carlo poured out 3/8 cup, how much is left?
1. 3 answers
2. 770 views
Did I ionize Mn2(CO3)3 correctly?Mn2(CO3)3 --> 2Mn^(3+) + 3CO3^(2-)
1. 1 answer
2. 758 views
At which points do the lines intersect2x+y=8 y=-3(x-3) A. 0,8 B. 3,-2 C. 2,4 D. 1,6
1. 2 answers
2. 449 views
One way to measure the validity of a test would be to: you were testing for:
1. 2 answers
2. 461 views
Can I get some corrections?1. ¿Qué estás haciendo? A. Estás sirviendo la cena. B. Estáis leyendo el texto. C. Me estoy
1. 2 answers
2. 880 views
In the spectrum of a specific element, there is a line with a wavelength of 656 nm. Use the Rydberg equation to calculate the
1. 1 answer
2. 1,146 views
Rewrite the equation in Ax+By=C form.Use integers for A, B, and C. y-5=-5(x-2)
1. 1 answer
2. 3,326 views
Keiko is a software saleswoman. Let represent her total pay (in dollars). Let represent the number of copies of History is Fun
1. 1 answer
2. 1,252 views
A dike in Holland springs a leak through a hole of area 0.60cm2 at a depth of 1.4m below the water surface.How much force must a
1. 2 answers
2. 919 views
Calculate the average force per nail when Sarah (following figure), who weighs 130 pounds, lies on a bed of nails and is
1. 0 answers
2. 555 views
The top floor of a building is 40m above the basement. Calculate how much greater the water pressure is in the basement than on
1. 1 answer
2. 619 views
Calculate the water pressure at the base of the Hoover Dam. The depth of water behind the dam is 220m .Express your answer to
1. 1 answer
2. 1,411 views
Pressure = weight density × depthCalculate the water pressure at the bottom of the 50-m-high water tower shown in the photo.
1. 0 answers
2. 586 views
An ice puck of mass m revolves on an icy surface in a circle at speed v at the end of a horizontal string of length L. The
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2. 805 views
An ice puck of mass m revolves on an icy surface in a circle at speed v at the end of a horizontal string of length L. The
1. 2 answers
2. 3,531 views
The diameter of the base of a tapered drinking cup is 6.6cm . The diameter of its mouth is 9.8cm . The path of the cup curves
1. 3 answers
2. 3,886 views
Calculate the tension in a horizontal string that whirls a 1.9-kg toy in a circle of radius 2.3m when it moves at 2.8m/s on an
1. 1 answer
2. 2,189 views
A Plane flies north at 215 km/h. A wind from the east blows at 69km/h. What is the plane's new velocity with respect to the
1. 3 answers
2. 2,363 views
Suppose you tried to carry out a double replacement reaction by mixing equal voulumes of a solution that contains dissolved NAOH
1. 1 answer
2. 1,937 views
The coefficient of static friction between the m = 3.20-kg crate and the 35.0° incline of the figure below is 0.260. What
1. 1 answer
2. 1,723 views
Need help with this problem: Isolate the variable: -4(2x - 7) = -36
1. 2 answers
2. 441 views
Need help with a few: Perform the indicated operation. Write your answer in simplest form: 4|5 / 20|3
1. 2 answers
2. 577 views
1. A buffer was prepared by dissolving 11.7 g of KH2PO4 in 400 mL of water, and with the addition of concentrated solution of
1. 3 answers
2. 707 views
A block weighing 71.5 N rests on a plane inclined at 24.1° to the horizontal. The coefficient of the static and kinetic
1. 1 answer
2. 704 views
A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 21.0° below the horizontal. The negligent
1. 2 answers
2. 1,247 views
Which statement best describes the composition of magma?
1. 2 answers
2. 721 views

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