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Which statement best explains the impact of the Yalta and Potsdam Conferences on the Cold War?The conferences gave Western
1. 1 answer
2. 62 views
Change the equation from standard to slope-intercept form by solving for y11x-8y=-48 Bobs work: -8y=-59x Y=7.375 Bills work:
1. 3 answers
2. 165 views
Express the ratio as a fraction in its lowest terms .25cm to 3m
1. 1 answer
2. 133 views
Do an experiment with two yellow cubes A red cube in a green cube. in the bag for you choose a cube you do not return the key
1. 1 answer
2. 536 views
A student council collects aluminum pop tabs to raise money to purchase a wheelchair.a company buys the pop tabs for $0.88 per
1. 1 answer
2. 188 views
What does poetry Is a phantom script telling how rainbows are made and why they go away mean?
1. 2 answers
2. 1,716 views
If 4.5 m3 of a gas initially at STP is compressed to 2.6 m3 and the temperature is raised to 33oC, what is the new pressure?
1. 1 answer
2. 490 views
The area of a square floor on a scale drawing is 49 square centimeters, and the scale drawing is 1 centimeter:2 ft. What is the
1. 1 answer
2. 366 views
Find the median for the scores: 92, 68, 72, 83, 72, 95, 88, 76, 72, 89,89, 96, 74, 72
1. 2 answers
2. 836 views
jiskha stinks!!!!!!!!!
1. 1 answer
2. 272 views
Write the percent as a fraction or mixed number in simplest form.0.8% =
1. 1 answer
2. 481 views
Ed Moura has $91000 invested in stocks paying 5%. How much additional money should he invest in certificates of deposit
1. 1 answer
2. 831 views
All of the following can be the product of a negative integer and positive integer EXCEPT A) 1 B) -1 C) -2 D -4 E) -6
1. 6 answers
2. 1,114 views
You want to estimate the mean amount spent by customers at a local gas station with 95% confidence and a margin of error of no
1. 0 answers
2. 959 views
Sophie borrowed $2000 and took 3 years to repay the loan and $900 interest.a)What was the per annum simple interest rate? b) If
1. 0 answers
2. 879 views
If 1 person takes 1 hour to dig 1 post hole, how long will it take 2 people to dig 2 post holes?
1. 3 answers
2. 903 views
Nina, Shanti and Belle run a 1000 m race at a constant speed. When Nina crossed the finish line first, she was 200 m ahead of
1. 6 answers
2. 3,049 views
A text message is sent to five friends. Each of the five friends then forward it to five other friends and each of these people
1. 15 answers
2. 2,915 views
What happened during the 1948 War?
1. 1 answer
2. 415 views
When did France grant independence to Syria?
1. 1 answer
2. 485 views
For the combustion of acetylene:2C2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(g) ΔH = -2511 kJ What is the enthalpy change when 2.80 g
1. 1 answer
2. 2,094 views
The surface area of a cube is 96in2.what is the volume of the cube?
1. 1 answer
2. 500 views
If one wanted to a make a 500.0 mL of 4.5 x 10-6M solution of this red dye, how many grams would they need to weigh out? The
1. 0 answers
2. 497 views
After a drought, the Great Salt Lake in Utah covered an area of 2450 kilometers squared or 35/64 the area of the lake under
1. 5 answers
2. 990 views
A long straight vertical wire of diameter 2.0mm carries a steady current upwards. At 30mm from the centre of the wire, the
1. 0 answers
2. 754 views
NOTE: before you answer this question, please be aware that there aren't meant to be any full stops after the '2' or the 'i=0'.
1. 1 answer
2. 660 views
Write the following polynomial in summation notation:2 + 3x + 4x^2 + 5x^3
1. 1 answer
2. 461 views
NOTE: before you answer this question, please be aware that there aren't meant to be any full stops after the '2' or the 'i=0'.
1. 0 answers
2. 472 views
Find all possible solutions in the range 0°≤ x ≤ 180° of the following equations:(a) cos x = sqrt(2) / 2 (b) tan x =
1. 1 answer
2. 523 views
An aeroplane makes in emergency landing without landing gear. If the aeroplane touches down with a horizontal speed of 60.0ms^-1
1. 1 answer
2. 556 views
An aeroplane makes in emergency landing without landing gear. If the aeroplane touches down with a horizontal speed of 60.0ms^-1
1. 2 answers
2. 607 views
The points A(1,5) and B(9,3) are part of a triangle Î”ABC. The triangle has a right angle at A and and sides satisfy AB=2AC.
1. 2 answers
2. 596 views
(a) Find the points which divide the line joining A(1,3) and B(-4,-1) internally in the ratios:(i) 1:2 (ii) 1:1 (iii) 3:1 (b) On
1. 2 answers
2. 562 views
The mid-point of the straight line joining A(4,-3), B(6,-2) is located at C.(a) Calculate the coordinates of C. (b) Verify your
1. 1 answer
2. 674 views
Calculate the lengths of the straight lines joining the following pairs of points, leaving your answers in surd form:(a)
1. 1 answer
2. 656 views
A box contains 6 pagers. Assume any pager selected from the box is done randomly, and henceselections are independent from each
1. 0 answers
2. 564 views
Line MP bisects <LMN, m<LMP=4x+3 and m<LMN=10x-6. Find m<LMN.I understand how to find adjacent angles and the complement. I
1. 2 answers
2. 1,173 views
What is the square root of 58 to the nearest integer.
1. 1 answer
2. 1,544 views
Which of the following questions is outside the scope of science?a. how are religion and philosophy different b.what is the diet
1. 6 answers
2. 2,002 views
Consider a single price monopoly that faces a market demand curve for a good is given by the equation 𝑃=100−.1𝑄 and the
1. 0 answers
2. 614 views
Mr Sanderson makes some cookies for a festival day. She gave 1/4 of the cookies to her sister and 1/3 of the remainder to a
1. 1 answer
2. 709 views
X-3y=14x+5y=4 Solve the system of equations.
1. 2 answers
2. 1,065 views
A 100 point test contains a total of 20 questions. The multiple choice questions are worth 3 points each and the short response
1. 9 answers
2. 7,350 views
So I'm doing solving system of equations,2x+y=5 4x+2y=10 I found no solution that would fit it therefore they are parallel to
1. 2 answers
2. 461 views
The feasible region shown below is bounded by lines 2𝑥 − 𝑦 = 2 , 𝑥 + 𝑦 = 2 , and y = 0.Find the coordinates of
1. 1 answer
2. 568 views
Jan is a 35-year-old individual who plans to retire at age 65. Between now and then $4000 is paid annually into her IRA account,
1. 0 answers
2. 558 views
Given the cost function, C(x), and the revenue function, R(x), find the number of units x that must be sold to break even.
1. 1 answer
2. 772 views
The surface x^2−y^2=36 can be described using spherical coordinates in the formρ=g(θ,ϕ)=
1. 1 answer
2. 449 views
Evaluate ∭W f(x,y,z)dV for the function f and region W specified:f(x,y,z) = 18(x+y) W: y≤ z≤x ; 0≤y≤x ; 0≤x≤1 ∭W
1. 2 answers
2. 1,496 views
how the volume of air in a tank of compressed air would change if the volume of the tank doubled?My answer was: The volume of
1. 1 answer
2. 1,068 views
A viral preparation was inactivated in a chemical bath. The activation process was found to be first order in virus
1. 1 answer
2. 1,312 views
A compact car of mass 915 kg has an overall motor efficiency of 16.0%.(a) If burning one gallon of gasoline supplies 1.34 108 J
1. 1 answer
2. 821 views
Compute the length of the curve r(t)=5ti+8tj+(t2+4)k over the interval 0≤t≤6Hint: use the formula
1. 2 answers
2. 1,016 views
Car A and B are facing each other at rest, 100 m apart. Car A accelerates at 5 m/s^2. Car B accelerates at 3 m/s^2. When and
1. 0 answers
2. 537 views
A circle has a center at (8,2). The point is (3,7) is on the circle. What is the area of the circle, to the nearest tenth of a
1. 2 answers
2. 695 views
What is the perimeter of rectangle WXYZ, with vertices W(-3,7), X(-5,4), Y(1,0), and Z(3,3) to the nearest unit.PLEASE HELP. A.
1. 2 answers
2. 1,626 views
Which of the following is an asymptote of f(x)=(x^2+3x+2)/(x+2)*tan(pi*x)?A) x=-2 B) x=-1 C) x=1/2 D) x=1 E) x=2 Answer is C but
1. 1 answer
2. 674 views
y-4=4x+3y=-(9-x)What is the value of xy?
1. 3 answers
2. 406 views
5x/3+y=c2y=c-4x x+y=6 What is c? I've tried substituting y as x-6 however I'm still not getting it.
1. 1 answer
2. 824 views
Explain how the graph of f(x) = ln x can be used to obtain the graph of g(x) = e^(x-2).
1. 1 answer
2. 570 views
how many grams of Nano3 are in 0.755 moles of nano3
1. 1 answer
2. 461 views
1. Two concentric conducting spherical shells have radii of 0.126 m. and 0.225 m. The inner sphere bears a charge of -8.00E-08
1. 1 answer
2. 828 views
3. A small sphere whose mass is 8.00E-03 g. carries a charge of 7.00E-08 C. It hangs from a silk thread which makes an angle of
1. 0 answers
2. 646 views
Lexi and Maria had $250 altogether. After Lexi spent25of her money and Maria spent $40, they had the same amount of money left.
1. 2 answers
2. 860 views
At what value(s) of x does f(x)=(-4x^4)+(2x^2) have a relative maximum?
1. 1 answer
2. 426 views
For what values of x is the graphy=2/(5-x) concave upward? x<5 x>-5 x>5 no values of x
1. 1 answer
2. 1,086 views
A 50 kg satellite circles the earth in an orbit with a period of 110 min. What minimum energy E is required to change the orbit
1. 0 answers
2. 828 views
Through how many radians does a circle of radius 1 foot rotate if it rolls 10 feet down the road?
1. 1 answer
2. 430 views
For the curve given by 4x^2+y^2=48+2xy, show that there is a point P with x-coordinate 2 at which the line tangent to the curve
1. 2 answers
2. 2,415 views
For the curve given by 4x^2+y^2=48+2xy, find the positive y-coordinate given that the x-coordinate is 2.
1. 1 answer
2. 814 views
For the curve given by 4x^2+y^2=48+2xy show that ((dy)/(dx))=(y-4x)/(y-x)
1. 1 answer
2. 879 views
The twice–differentiable function f is defined for all real numbers and satisfies the following conditions:f(0)=3 f′(0)=5
1. 1 answer
2. 4,748 views
"What amount of Barium hydroxide is needed to neutralize 500 kg of 18 molar Sulphuric acid?"
1. 0 answers
2. 502 views
Discuss the power lies within the Parliament in UK and whether the power of parliament had been limited in the present day.
1. 1 answer
2. 560 views
A 38.0-kg boy, riding a 2.37-kg skateboard at a velocity of +5.07 m/s across a level sidewalk, jumps forward to leap over a
1. 2 answers
2. 2,844 views
The speed of the car at the base of a 30 ft hill is 45 mi/h. Assuming the driver keeps her foot off the brake and accelerator
1. 1 answer
2. 632 views
The pilot of an aircraft wishes to fly duewest in a 50.0 km/h wind blowing toward the south. The speed of the aircraft in the
1. 1 answer
2. 5,681 views
A basketball player makes a jump shot. The 0.580-kg ball is released at a height of 1.90 m above the floor with a speed of 7.18
1. 0 answers
2. 534 views
A camera falls from a blimp that is 399 m above the ground and rising at a speed of 9.75 m/s. Find the maximum height reached by
1. 2 answers
2. 2,511 views
Buddy is unloading 7kg cans using a 45 degree downward ramp. The ramp was made slippery by the a detergent spill before. Buddy
1. 0 answers
2. 527 views
The drawing below shows a person who, starting from rest at the top of a cliff, swings down at the end of a rope, releases it,
1. 0 answers
2. 1,237 views
A 7300-kg satellite has an elliptical orbit, as in the figure. The point on the orbit that is farthest from the earth is called
1. 0 answers
2. 716 views
Starting from rest, a 2.0 10-4-kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts
1. 1 answer
2. 705 views
A golf club strikes a 0.041-kg golf ball in order to launch it from the tee. For simplicity, assume that the average net force
1. 1 answer
2. 714 views
The drawing below shows a person who, starting from rest at the top of a cliff, swings down at the end of a rope, releases it,
1. 0 answers
2. 1,142 views
A 36-kg girl is bouncing on a trampoline. During a certain interval after she leaves the surface of the trampoline, her kinetic
1. 1 answer
2. 658 views
A 7300-kg satellite has an elliptical orbit, as in the figure. The point on the orbit that is farthest from the earth is called
1. 1 answer
2. 993 views
Write a sentence for the given topic, using a form of one of the following linking verbs in each sentence: smell, sound, feel,
1. 5 answers
2. 897 views
Consider two spherical stones with same density (mass per unit volume). The larger stone has radius R = 8.58 cm and the smaller
1. 1 answer
2. 569 views
Air rushing over the wings of high-performance race cars generates unwanted horizontal air resistance but also causes a vertical
1. 1 answer
2. 790 views
Traveling at a speed of 16.1 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The
1. 2 answers
2. 3,958 views
The weight of an object is the same on two different planets. The mass of planet A is only thirty-five percent that of planet B.
1. 2 answers
2. 891 views
An electron is a subatomic particle (m = 9.11 10-31 kg) that is subject to electric forces. An electron moving in the +x
1. 0 answers
2. 580 views
A spider crawling across a table leaps onto a magazine blocking its path. The initial velocity of the spider is 0.850 m/s at an
1. 1 answer
2. 576 views
Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top
1. 1 answer
2. 665 views
How long is Mayra, a ballerina, in the air when she leaps striaght up with a speed of 1.23 m/s?
1. 1 answer
2. 463 views
how many moles of oxygen are needed to react with 3.5 moles of isopropyl alcohol, C3H7OH
1. 1 answer
2. 925 views
Physics2. Which of the following is equivalent to one ampere? (Points : 1) 10 s/10 C 10 C/10 m 1.5 C/1.5 s 15 C/10 s Question
1. 3 answers
2. 2,372 views
write and solve an equation to find the missing dimension of the rectangular prism.Volume= 1km cubic L=3/4 km W=2/3 km H= ?
1. 1 answer
2. 840 views
A calendar that has one page per day is 7 inches long, 7 inches wide, and 2 inches high. What is the volume of one page of the
1. 8 answers
2. 1,226 views

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