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Questions (265)
Rectangle ABCD has vertices point
A (-5, 1), point B (-2, 1), point C (-2, 6), and point D (-5, 6). Find the area of the
1 answer
37 views
Solve the equation W - 5 2/5 = 3 1/4
O W = 2 3/20 O W = 8 13/20 O W = 8 3/9 O W = 8 3/20
1 answer
30 views
Solve 2x+10β₯12 . Make sure to write your inequality so that x comes first. B
7 answers
34 views
How kids get their own money ?
1 answer
61 views
Apa itu virus covid 19 ?
1 answer
62 views
The speaker mentions the following items (lines 25-27) mainly to show .
your michigan spring faded curtain pieces my father's
1 answer
93 views
Which of these countries are considered a threat to the United State in terms of global influence?
A. Iraq and Iran B. Mexico and
1 answer
53 views
What was the main idea behind economist Adam Smith's book, The Wealth of Nations?
A. A good economy is based on a socialist
1 answer
83 views
Communism is a social and political system in which people work for the common good of society. In theory, citizens under
1 answer
75 views
Which of the following groups supported Radical reconstruction? Chose all that apply
A-businesspeople interested in rebuilding
0 answers
691 views
Which of the following groups supported Radical reconstruction?
1 answer
243 views
What can be inferred by the passage of the black code?
1 answer
308 views
Which of the following was a key contrast between scalawags and carpetbagger
1 answer
132 views
What did white southerns think the goal was of all northerns who moved south during reconstruction?
A-to get rich from the
1 answer
169 views
Which of the following are reliable sources of post secondary information
1 answer
124 views
The leg and cast in the figure below weigh 320 N (w1). Determine the weight w2 and the angle πΌ needed so that no force is
0 answers
212 views
Mushrooms produce a tremendous number of spores. However, very few spores go on to establish a
new mushroom colony. A "colony" is
1 answer
299 views
Identify the major intermolecular forces between each of the following atoms or molecules:
a. He b. HBr c. SnH4 d.
1 answer
532 views
A metal is thought to be copper or gold. When 18 g of the metal absorbs 58 cal, its temperature rises by 35 Β°C.
a. What is the
3 answers
3,086 views
3x + 3y = 27
y = 2x
2 answers
223 views
An attracting force occurs between two charged objects when the charges
are of a. unlike signs. c. equal magnitude. b. like
1 answer
1,384 views
A jar contains 3red marbles, numbered 1 to 3, and 5 blue marbles numbered 1 to 5
The first marble is replaced, and another marble
3 answers
898 views
There are five teams in a basketball competition. Each team must play each of the other teams once. How many games will each
2 answers
655 views
You deposit $300 each month into an account earning 5% interest compounded monthly.
a) How much will you have in the account in
1 answer
5,166 views
Find the moment of inertia of a right circular cylinder of radius of base R and height H, about the axis of the cylinder, if the
1 answer
1,429 views
Use spherical coordinates to find the smaller volume cut out from the sphere π₯^2+π¦^2+π§2=4by the plane z= 1.
Did I set up
3 answers
443 views
I just want to know how to set up the integral for this problem. Use spherical coordinates to find the volume of the solid in
1 answer
717 views
Evaluate [0, β]β«π^β5π₯^2ππ₯
5 answers
410 views
Could somebody show I how to do this triple integral? Integrate [0,2Ο]β« [0,Ο/2]β« [1/2 sec(Ο),1]β« (Ο^2
1 answer
413 views
Find the curl of the vector field F(x,y,z) = (z + π₯^2 y) i + (xyz) j + (x + π¦^2 π§) π at the point P(1,1,1)?
1 answer
440 views
Find the surface area of the portion of the paraboloid z = 4 - π₯^2 -π¦^2 that lies above the xy- plane?
1 answer
829 views
Given the vector field F(x,y,z)=(2xy + ycosx + π₯^2) i + ( π₯^2 + sinx +π¦^2) j Determine whether F is conservative. If it
1 answer
397 views
online class and I don't know what to do so I posts. Any help is great.Thank you
Convert the integral [0,1]β« [0,β(1-x^2
3 answers
573 views
Use polar coordinates to evaluate the integral [0,2]β« [0,xβ3]β«1/β(π₯^2+π¦^2)dydx
3 answers
444 views
Interchange the order of integration and evaluate the integral [0,8]β« [βy,2]β« (e^x^4)dxdy
3 answers
430 views
I did what you show me on the last post but my answer look weird. Can you check what I did wrong?
Let R be the region in the
1 answer
406 views
If z=f(x,y), where x=rcosΞΈ and y=rsinΞΈ, show that (β^2 z/βy^2)=(β^2 z/βr^2)=(1/r^2)(β^2 z/βΞΈ^2)+(1/r)(β^2
1 answer
500 views
If f is a function of x and y, find ββfβ^2 and βf and in polar coordinates r and ΞΈ.
1 answer
533 views
Prove that among all triangles with the same perimeter, the equilateral triangle maximizes the enclosed area.
1 answer
492 views
Interchange the order of integration and evaluate the integral [0.1]β« [x,1]β«π^π₯/π¦ ππ¦ππ₯
1 answer
761 views
At what point(s) on the curve f(x) = 2-4xΒ³ does the normal have a slope of 3?
1 answer
436 views
If Z = f(u, v), u = π₯^2βπ¦,π£=π₯βπ¦^2, find Zπ₯π₯ in terms of derivatives of f.
No clue what to do to solve. I
2 answers
710 views
Find the directional derivative of the function f(x,y,z) =z^2 -xy^2
at the point P(2,1,3) in the direction of the vector v=< -1,
1 answer
852 views
Find the radialand angular component of acceleration for the motion r=1+cos(ΞΈ), ΞΈ=e^-t at ΞΈ=Ο/2
1 answer
400 views
Find the point where the curve y =e^-x has maximum curvature.
1 answer
1,164 views
3. Find the length of the curve given by r(t)= β(2)ti +e^t j +e^-t k, 0β€tβ€1.
2 answers
766 views
How do I use polar coordinates to prove that the limit of the function f(x,y)=(2xy)/(x^2 +y^2) doesn't exist as it approaches
3 answers
512 views
How do I differentiate fx and fy f(x,y)=β(1+x^2 +y^2)
2 answers
471 views
How do I do the cross product of the following (<-2sin(t),2cos(t),2>/β8 cross(<-2cos(t),-2sin(t),0>/β4)?
3 answers
456 views
A contractor needs to know the height of a building to estimate the cost of a job. From a point 92 feet away from the base of
1 answer
889 views
The p
2 answers
369 views
A dairy farmer wants to mix a
20% protein supplement and a standard 10% protein ration to make 1200 pounds of a high-grade 15%
1 answer
921 views
Give an equation that models a linear pattern and then give an equation that models a nonlinear pattern.
2 answers
489 views
How far apart would the top of the drawbridge be when both sides are open, if the angle of elevation of the drawbridge was 20Β°,
1 answer
514 views
Find the shortest distance between the point D with coordinates (-2,-2,9) and the line passing through the points with
1 answer
865 views
In triangle ABD, AC = CD = CB. Let AB = u and BC = v. Prove that DAB is a right angle triangle.
AC is the midpoint of the assumed
2 answers
947 views
In triangle OAB, OA = 3i + 4k and
OB = i + 2j - 2k. Find OP, where P is the point where the bisector of Angle AOB intersects AB.
1 answer
874 views
Hope you didn't miss mine below :)
1 answer
396 views
Let a = i - j + 2k and b = i + 2j - 4k
a) Find 2a - 3b This one was easy. It should be -i - 8j + 16k b) Hence find a value of m
1 answer
386 views
Given that a = i - j + 2k, b = i + 2j + mk and
c = 3i + nj + k, are linearly dependent. Express m in terms of n in simplest
1 answer
518 views
What would be the total amount if Sara deposited $700 at 2% compound interest for 23 years?
0 answers
352 views
Find the area of the following plane figure.
An ellipse has a major axis of 14 cm and a minor axis of 10 cm. Find its area. Area
2 answers
1,955 views
Find the area of the following plane figure. Use = 3.14.
A circle has a radius of 8 cm. What is its area? Area (to the nearest
2 answers
2,737 views
Jon Ericson bought a home with a 11.5% adjustable rate mortgage for 20 years. He paid $10.67 monthly per thousand on his
0 answers
1,027 views
The garage you work for as an auto mechanic measures 230 ft. by 150 ft and handles 69 cars. Using the existing garage as a
1 answer
757 views
Find the area of the following plane figure.
A circle whose circumference measures 28 centimeters. Area (to the nearest square
1 answer
776 views
Solve the following problems related to automobile insurance.
Jerry Adams normally pays $875 for bodily injury and property
1 answer
1,813 views
Find the area of the following plane figure.
Find the altitude of a triangle whose area is 100 cm2 and whose base is 20 cm.
2 answers
1,442 views
Use the formula to solve the problems.
B * In The amount that results when $3,000 is compounded at 7% annually over eight years.
1 answer
919 views
Work the following area application problem.
You are given the job of laying carpet for a six-story building. At each floor the
1 answer
772 views
Compute the following costs of services problems.
Hourly rate of labor = $12.00 Duration of job = 3 1/2 hours Overhead rate = 66
1 answer
1,402 views
Total cost of job = $147.51
Duration of job = 5 hours Price of parts = $32.50 Overhead rate = 55% Hourly labor rate = $
1 answer
911 views
Labor rate = $14 per hour
Hours worked = 40 Overhead rate = 125% Retail price of good furnished = $85 Sales tax rate = 6% Total
0 answers
695 views
Amount of chicken = 48 lb.
Portion size = 8 oz. Number of patrons served =
1 answer
638 views
Given the following information:
C(s) Γ C(g), οH = +715 kJmol-1 Cl2(g) Γ 2Cl(g), οH = +242 kJmol-1 C(s) + 2Cl2(g) Γ
0 answers
664 views
A bracelet is 8 inches long. The string to make it is sold by the foot. What fraction of a foot is used to make the bracelet?
1 answer
361 views
What is the influence of pressure on the respiratory system?
1 answer
486 views
A ball is projected horizontally from the edge of a table that is 1.14 m high, and it strikes the floor at a point 1.40 m from
1 answer
1,424 views
A quiz consists of 3 multiple choice questions, each of which have 10 answer choices. You are allowed three attempts at the
0 answers
913 views
I can grade 5 papers in 45 minutes how many papers can I grade in 1.5 hours
1 answer
586 views
How many calcium atoms are in a formula
unit of calcium hydrogen carbonate? 1. 1 2. 2 3. 4 4. 3 5. 5
3 answers
1,006 views
Bob (age 40) and Susan (age 39) Cowen are married. Susan works as a retail manager and Rob is a self-employed electrician but
0 answers
526 views
Microwaves, such as those used for radar and
to heat food in a microwave oven, have wavelengths greater than about 3 mm. What is
1 answer
878 views
βThe Women's Rights Movement, 1848-1920. Web. 13 Oct. 2015.
Is this considered a in text citation?
6 answers
444 views
The title of my project says it all.. Women are most effected by the issues. The women right movement have been going on ever
6 answers
673 views
A radar station locates a sinking ship at range 16.0 km and bearing 136Β° clockwise from north. From the same station, a rescue
1 answer
571 views
Two people pushing a stalled car from rest generate a net force of +840N for 5.0s. What is the cars final velocity?
0 answers
484 views
Calculate delta g and Kp for the following equilibrium reaction.
Keep getting 7.2E-81 and the answer is 4.5E-81 Why?
0 answers
421 views
A wealthy patron of a small private college wishes to endow a chair in mathematics with a gift of G thousand dollars. Suppose
3 answers
1,698 views
Problem: Calculate the pH titration of 50 mL of 0.02M H3PO4 from pH 1 to 13 with 0.4M NaOH.
So I believe the balanced reaction
8 answers
701 views
Daily water intake (including water used in drinks such as coffee, tea and juice) for Canadian adults follows a normal
1 answer
540 views
I have a lot of holes where I need to look up some research, but can you give me some feedback on the following classification
0 answers
473 views
The essay is supposed to be on Advertisements, then we have to narrow it. I have narrowed it to TV advertisements on cars. I was
16 answers
765 views
A procedure in regression analysis where Predictor or Independent Variables are coded as 1 or 0 (representing categories) and
1 answer
736 views
A student begins with 9.7 mL of a 0.26 M Cu(NO3)2 solution and performs copper cycle lab. She recovers 0.075 grams of copper
0 answers
697 views
calculate q , w , and β E for melting 1.00 mol of ice at 0 β¦ C and 1.00 atm pressure
2 answers
1,382 views
Solve dy/dx for sin(xy)=1+x^3-y^2
1 answer
761 views
What is the (a) molality, (b) freezing point, and (c) boiling point of a solution containing 2.29 g napthalene (C10H8) in 44.6 g
1 answer
455 views
I'm having trouble balancing this equation: SO3^2- --> S2O4^2-
It's in a basic solution. Thanks.
1 answer
712 views
Hydroxylapatite, Ca10(PO4)6(OH)2, has a solubility constant of Ksp = 2.34 Γ 10^-59. Solid hydroxylapatite is dissolved in water
0 answers
689 views
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