Ask a New Question

Questions and answers by

sara

Questions (1,014)

You are preparing 500 mL of Denaturation Buffer containing 1.5 M NaCl and 0.5 M NaOH. Your stock solutions are 5 M NaCl and 6 M
1. 0 answers
2. 646 views
The position function x(t) of a particle moving along an x axis is x = 6.00 - 8.00t2, with x in meters and t in seconds. (a) At
1. 1 answer
2. 3,745 views
Problem 3:Consider water as the substance. (a) Find the specific internal energy (Btu/lbm) when T = 500F and P = 375 psia (b)
1. 1 answer
2. 709 views
if nCr+2*nCr=nCr4+1*nCr-1
1. 1 answer
2. 444 views
A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 3.6 cm . Its mass is 1.5 kg . Calculate the density
1. 2 answers
2. 722 views
1. If a person jogs at a rate of mi/hr for hr in a week, how many calories will the person burn?
1. 1 answer
2. 518 views
A 9.60 mL sample of 12.0 M HCl is used to prepare 125 mL of diluted acid. A sample of 32.4 mL of Ba(OH)2 base is exactly
1. 1 answer
2. 1,496 views
solve each of the following initial value problems and plot the solutions for serveral variables of ynaughta)dy/dt = -y+5 I got
1. 1 answer
2. 555 views
last one is $300
1. 1 answer
2. 292 views
From the following data calculate final balance and forward it in the pay stubs.Beginning balance $2000 Jan 2 Deposit $500 Jan
1. 2 answers
2. 720 views
does anyone know of any reference of gluttony in literature?thanks!
1. 7 answers
2. 406 views
Calculate the mass of oxygen gas required tooccupy a volume of 6 L at a pressure of 20.9 kPa and a temperature of 37◦C.
1. 3 answers
2. 3,100 views
I have to come up with a product (such as soap, face cream, shampoo, cleaning spray, etc) and make a commercial for it. and I
1. 2 answers
2. 527 views
Iff(x) = 3x^2 − 2x, 0 ≤ x ≤ 3, evaluate the Riemann sum with n = 6, taking the sample points to be right endpoints.
1. 0 answers
2. 1,069 views
We're the sons of liberty justified in their treatment of the loyalists
1. 1 answer
2. 490 views
A boat leaves a dock at 3:00 PM and travels due south at a speed of 20 km/h. Another boat has been heading due east at 15 km/h
1. 1 answer
2. 1,026 views
Jen purchased a condo in Naples Florida for $699,000. She put 20% down and financed the rest at 5% for 35years. What are Jens
1. 2 answers
2. 4,283 views
Factor: X^4 y-y^5
1. 1 answer
2. 316 views
an airplane is flying 120 km south and 130km west of an airport. It is flying at a height of 10 km . what is the straight line
1. 1 answer
2. 705 views
Use the Gram-Schmidt process to transform the basis1 1 1 , 0 1 1 , 2 4 3 for the Euclidean space R3 into an orthonormal basis
1. 3 answers
2. 674 views
Let W be the subspace of R5 spanned by the vectors w1, w2, w3, w4, w5, wherew1 = 2 −1 1 2 0 , w2 = 1 2 0 1 −2 , w3 = 4 3 1 4
1. 1 answer
2. 2,566 views
The marks of 2376 students in an IB exam are normally distributed with mean 49 marks and variance 225A) if the mark is 45
1. 2 answers
2. 968 views
Even though I do not believe the Big Bang is what created the universe(although what people clam the bing bang was would have
1. 1 answer
2. 606 views
Use the Gram-Schmidt process to transform the basis[1 1 1] , [0 1 1] , [2 4 3] for the Euclidean space R3 into an orthonormal
1. 1 answer
2. 629 views
If possible, find a, b, and c so thatv = [a b c] is orthogonal to both w = [1 6 1] and x = [1 −9 1]
1. 3 answers
2. 1,281 views
what useful product can you make using recyclable items?
1. 1 answer
2. 373 views
determine whether the given vector A in M22 belongs to the span (a1,a2,a3) where a1=[1 -1; 0 3]a2=[1 1; 0 2] a3=[2 2; -1 1] and
1. 0 answers
2. 983 views
If a business is purchased by the issue of 10000 $10 8% debentures trading at $95, how much is the purchase consideration?I did
1. 1 answer
2. 444 views
When the equation of a line is written in general form, Describe the Slope of the line when A=0 orand B=0 ? Thanks!
1. 1 answer
2. 588 views
Verify that the function satisfies the three hypotheses of Rolle's Theorem on the given interval. Then find all numbers c that
1. 1 answer
2. 2,177 views
John has $6000 to invest. He invests part of it at 5% and the rest at 8%.How much should be invested at each rate to yield 6% on
1. 2 answers
2. 528 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. 2 answers
2. 2,362 views
let V be the set of all real-valued continuous functions defined on R1. If f and g are in V, we define f ¨’ g by (f ¨’
1. 0 answers
2. 854 views
how is this not a subspace of R3?The set of all vectors of the form a b c , where a > 0.
1. 0 answers
2. 416 views
where is the negative space in the rubin case?
1. 1 answer
2. 519 views
Estimate the multiple linear regression equation relating number of cups of coffee per week, female sex, and number of hours of
1. 0 answers
2. 591 views
what is true about red blood cells
1. 1 answer
2. 414 views
formalize the following statment: a_n is a sequence that doesnt converge to L∈R. prove that the sequance (1/n) does not
1. 0 answers
2. 487 views
A video game Is On sale For 30% Off The rehilarious price Of $50. What Is The sale price Of The video game?
1. 2 answers
2. 743 views
Please help me!,how is home economics related to mathematics,science and social,spiritual and moral education (ssme)?
1. 2 answers
2. 779 views
You are wallpapering a 10-foot long wall. The wall is 10 feet high, and without doors and windows. The solid-colored wallpaper
1. 1 answer
2. 612 views
what are two themes that would be appropriate for thematic time lines of important events from prehistory to A.D.1600.
1. 3 answers
2. 4,036 views
An axle of a mass of 10 kg, length 10 cm and radius .1 m is free to rotate about the axis which runs the length of the axle,
1. 1 answer
2. 653 views
evaluate the surface integraldouble integral (y dS) z= 2/3 (x^3/2 + y^3/2) 0 ≤ x ≤ 5, 0 ≤ y ≤ 2
1. 2 answers
2. 2,866 views
A 63.8 kg block of silver is at initially at 107 C. 1.0 kg of ice at its freezing point is placed onto the block to cool it. As
1. 2 answers
2. 625 views
A 63.8 kg block of silver is at initially at 107 C. 1.0 kg of ice at its freezing point is placed onto the block to cool it. As
1. 1 answer
2. 583 views
A 63.8 kg block of silver is at initially at 107 C. 1.0 kg of ice at its freezing point is placed onto the block to cool it. As
1. 1 answer
2. 630 views
A 63.8 kg block of silver is at initially at 107 C. 1.0 kg of ice at its freezing point is placed onto the block to cool it. As
1. 2 answers
2. 758 views
How many milliliters of 0.413 M NaC2H3O2 are needed to supply 27.3 g NaC2H3O2?
1. 1 answer
2. 417 views
would someone be able to give me an idea of how to start coding this in C?You just finished playing cards with a group of
1. 0 answers
2. 707 views
1) In 2011, the total of all residential customers in Halton Region used 54 540 000 m3 of water. Halton Region has a population
1. 1 answer
2. 655 views
1) In 2011, the total of all residential customers in Halton Region used 54 540 000 m3 of water. Halton Region has a population
1. 1 answer
2. 650 views
1) In 2011, the total of all residential customers in Halton Region used 54 540 000 m3 of water. Halton Region has a population
1. 1 answer
2. 831 views
1) In 2011, the total of all residential customers in Halton Region used 54 540 000 m3 of water. Halton Region has a population
1. 1 answer
2. 658 views
1) In 2011, the total of all residential customers in Halton Region used 54 540 000 m3 of water. Halton Region has a population
1. 1 answer
2. 763 views
Use Green's Theorem to evaluateF(x, y) = y cos x − xy sin x, xy + x cos x , C is the triangle from (0, 0) to (0, 4) to (2, 0)
1. 1 answer
2. 1,143 views
Use Green's Theorem to evaluate the line integral along the given positively oriented curve.integral of xy2 dx + 4x2y dy C is
1. 2 answers
2. 4,421 views
what would the output of this code be?int startDay = 6; int day = 22; switch(startDay) { case 5: day += 1; case 6: day = day +
1. 0 answers
2. 735 views
how many moles of methane is required to produce g of co2 after the complete combustion ?
1. 1 answer
2. 491 views
What is the eq.wt of C7H6O3 and why ??😊
1. 2 answers
2. 457 views
What is the eq.wt of C7H6O3 and why ??😊
1. 1 answer
2. 375 views
What the eq.wt of C7H6O3 and why?
1. 2 answers
2. 402 views
consider the reaction 2N2O(g) == O2(g)+2N2(g).which of the following will cause a shift in the equilibrium to the left?
1. 1 answer
2. 2,233 views
About how many cases of Elderly abuse are reported?1) 1of 5 2)1 of 8 3)1 of 10 4)1 of 14
1. 1 answer
2. 416 views
Cassie is a 15 year runaway who is assaulted. Which victimization theory would best apply to her stituation?1)Victim
1. 1 answer
2. 661 views
how is modern law and government have been influenced by classical Greece and Rome
1. 1 answer
2. 933 views
A 20 g fridge magnet is being held onto the fridge by a 0.9 N force. coefficient of kinetic friction is 0.3 .a. calculate the
1. 0 answers
2. 884 views
You are the financial planner for Johnson Controls. Assume last year’s profits were $760,000. The board of directors decided
1. 1 answer
2. 1,782 views
calculate the force output by the larger piston of a hydraulic lift when a force of 700 newtons is excerted on the smaller
1. 0 answers
2. 811 views
A golf cart has either 3 or 4 wheels. John checked all 25. How many 3 wheeled how many 4 wheeled
1. 1 answer
2. 482 views
A ball is thrown toward a cliff of height h with a speed of 28m/s and an angle of 60∘ above horizontal. It lands on the edge
1. 0 answers
2. 583 views
A ball is thrown toward a cliff of height h with a speed of 28m/s and an angle of 60∘ above horizontal. It lands on the edge
1. 2 answers
2. 1,618 views
which of the following is consistent with the line spectrum of the hydrogen atom?one of the choices is the nucleus is udnergoing
1. 1 answer
2. 544 views
Alice ((7.500x10^1) kg) and Bob ((8.5x10^1) kg) are standing at rest on friction free ice. Alice pushes Bob causing Bob to
1. 1 answer
2. 731 views
A (1.35x10^2) kg box is falling near Earth’s surface. It is accelerating at (7.3000x10^0) m/s^2 [D]. What is the force of air
1. 1 answer
2. 525 views
An electron of kinetic energy 50 keV moves in a circular orbit perpendicular to a magnetic field of 0.405 T.Find the radius of
1. 0 answers
2. 744 views
Andres Michael bought a new boat. He took out a loan for $23,980 at 3.75% interest for 4 years. He made a $4,470 partial payment
1. 1 answer
2. 1,576 views
Andres Michael bought a new boat. He took out a loan for $23,980 at 3.75% interest for 4 years. He made a $4,470 partial payment
1. 1 answer
2. 2,849 views
An astronaut is traveling in a space vehicle moving at 0.520c relative to the Earth. The astronaut measures her pulse rate at
1. 0 answers
2. 916 views
Suppose that f(x) = 1:5x2 for -1 < x < 1 (0 elsewhere). Determine the followingprobabilities: (a) P(X > 0) (b) P(X > 0:5) (c)
1. 0 answers
2. 510 views
f(x, y) = 3y cos x, 0 ¡Ü x ¡Ü 2¦Ðwhat is the saddle point for this?
1. 1 answer
2. 1,307 views
A cannon is fired horizontally from a platform . The platform rests on a flat, icy, frictionless surface. Justafter the shell is
1. 0 answers
2. 752 views
Consider a sequence of independent Bernoulli trials with p= 0.2a) what is the expected number of trials to obtain the first
1. 1 answer
2. 1,389 views
an electron in n=5 emits 4052 nm to what energy level does the electron move
1. 4 answers
2. 638 views
In a TV set, an electron beam moves with horizontal velocity of 2.5 × 107 m/s across the cathode ray tube and strikes the
1. 1 answer
2. 839 views
The electron in a ground state H atom absorbs a photon of wavelength 121.57nm, to what energy level does the electron move?
1. 2 answers
2. 1,188 views
if a man moving away with the speed of 0.5 of sound from a stationary sound source producing a sound of frequency , he would
1. 1 answer
2. 700 views
The wave heights h in the open sea depend on the speed v of the wind and the length of time t that the wind has been blowing at
1. 0 answers
2. 1,474 views
a radio uses one-third the number of watts used by lamp, and a heater that uses 15 times as many watts as a lamp. when all are
1. 1 answer
2. 486 views
how to write recursive formula and give one example of one
1. 1 answer
2. 378 views
if 2.19e-9 mol of 176-W emits 1.07e15 beta particles in 1 hour. what is the decay constant?how do i go about doing this? i know
1. 1 answer
2. 508 views
write two ratios that are equivalent to 1:1
1. 11 answers
2. 4,366 views
what number makes statement true:30=0.3
1. 1 answer
2. 452 views
1. Use the axioms of probability to show the following:(a) For any event E, P{Ec} = 1 − P{E}. (b) P{∅} = 0. (c) For any
1. 0 answers
2. 576 views
Consider the vector function given below.r(t) = 7t, 3 cos t, 3 sin t (a) Find the unit tangent and unit normal vectors T(t) and
1. 1 answer
2. 983 views
if 14.66ml of a standard .2616M KOH solution reacts with 57.5ml of CH3COOH solution, what is the molarity of the acid solution?
1. 1 answer
2. 556 views
let E,F and G be three events. state expressions fo rthe events.a. only F occurs b. exactly two of the events occur. c. at
1. 0 answers
2. 1,083 views
Vong grilled 21 burgers at a block party. He grilled the same number of pounds of turkey burgers as hamburgers. Each turkey
1. 2 answers
2. 912 views
Solving Systems by SubstitutionMaribel has $1.25 in her pocket. The money is in quarters and dimes. There are a total of 8
1. 1 answer
2. 1,289 views
calculate the upper limit for the definite integral from -2 to 2. oh x^2+1 dx with the partition P=-2,-1,0,1,2
1. 0 answers
2. 354 views

Pages

1
2
3
4
5
6
7
8
9
10

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025