07/16/23

Card Probability
Consider the standard 52-card deck (4 suits, each consists 13 ranks)Jack randomly draws 3 cards from the deck. Question: 1) what's the probability that he gets all three Aces? 2) what's the... more
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07/16/23

Solving a distance, rate, time problem using a system of linear equations
Two buses leave towns 1260 kilometers apart at the same time and travel toward each other. One bus travels 16km/h slower than the other. If they meet in 6 hours, what is the rate of each bus? Rate... more
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07/15/23

newton's law of motion
A little league player hits a baseball from a tee. The baseball experiences a net force of 8000 N [S]. The mass of the ball is 145 g. What is the acceleration of the ball?
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07/14/23

newton's law of motion
Harry is pushing a car down a level road at 2.0 m/s with a force of 243 N. The total force acting on the car in the opposite direction, including road friction and air resistance, is which of the... more
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07/14/23

netwon's laws of motion
A force of 250 N is used to push a heavy box down the street. If the force of friction between the box and the street is 195 N and the box has a mass of 60 kg, what is the acceleration of the box?... more
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07/14/23

free body diagrams
Pls answer asap thankswhat is the net force of the following situationF1= 20N(E)F2= 34N(W)a) 20N(E)b) 54N(W)c)14N(E)d) 14N(W)
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07/14/23

plz help!! functions graphing
Graph the transformations that are applied to 𝑦 = 𝑥2 to obtain the quadratic: 𝑓(𝑥) = 2(𝑥 + 1)2 + 5 Include a table of values for your base graph (𝑦 = 𝑥2) Be sure to label each graph List the... more
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07/14/23

Find the value(s) of c guaranteed by the Mean Value Theorem for Integrals for the function over the given interval. (Enter your answers as a comma-separated list.)
f(x) = x3, [0, 3]
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07/13/23

If a ∥ b and e ∥ f, what is the value of y?
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07/11/23

Congruence and similarity
A triangular field ABC is such that AB = 90 m, BC = 70 m and AC = 85 m.(i) Using a scale of 1 cm to 10 m, make a scale drawing of the field. (ii) From your scale drawing, find the actual distance... more
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07/11/23

acceleration kinematics
A racecar accelerates at 5.0 m/s2. If its initial velocity is 200 km/h, how far has it travelled after 8.0 s? A car that starts from rest can travel a distance of 50 m in a time of 6.0 s. What... more
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07/11/23

Optimization problem
For an open-topped rectangular box, with a square base x by x cm and height h cm, find the dimensions giving the minimum surface area, given that the volume is 18 cm3.x = 3.301 cmwhat would be the... more
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07/10/23

Max speed with a compressed spring involved
You have been hired to design a spring-launched roller coaster that will carry two passengers per car. The car goes up a 13-m-high hill, then descends 18 m to the track's lowest point. You've... more
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07/09/23

summations discrete math
Find the value of each of the sum.7sigmaj=1(5.3^j−1 − 3.5^j )
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07/09/23

suppose you wanted to use linearization to estimate cuberoot 31, and then determine the error in that approximaition
we need an equation with x and y, what is the equation pick a point on the graph of the equation in part 1 that is close to the point that you are trying to estimate, what is that point write the... more
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07/08/23

Find the force the left support beam applies to the balance beam. Find the force the right support beam applies to the balance beam.

The balance beam's own weight is negligible. Consider that the support force acts at a distance d = 1.625 m from the center of the beam. Take g = 9.8 m/s2.There is 20kg at a distance of 1 m from... more
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07/07/23

How can I get interval in this limit?
f(x) = e^x if x>=0 x-1 if 0<x<1 In(x) if x>=1 Q. Use the graph to determine the values of a for which lim f(x) exists. ... more
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07/06/23

uniform motion graph
A squirrel has just grabbed a peanut from an unsuspecting park visitor. In his panicked attempt to get safely back to his tree, he runs back and forth a few times to elude any would be pursuers. A... more
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07/05/23

Using f(x)=x^2-2x+3, we can determine that f'(x)-2x-2. This means that the​ point-slope equation of the tangent line to the graph of f(x)=x^2-2x+3 at (6,27) is
y - _________ = _________(x - _________).
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07/05/23

Find A so that the function is continuous at 4.
f(x) = x2 , x<4 Ax-8 , x>=4A = ____
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07/05/23

y=x^2(arcsinx)^3
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07/04/23

Physics capacitor question
Two capacitors give an equivalent capacitance of 9.20 pF when connected in parallel and an equivalent capacitance of 1.73 pF when connected in series. What is the capacitance of each... more
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07/04/23

How do I know the slope of the tangent in this problem? (Regarding tangent problem)

Q. The point P(1,0) lies on the curve y=sin(17π/x).If Q is the point (x, sin(17π/x)), find the slope of the secant line PQ (correct to four decimal places) for the following values of x. I got,x=2... more
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07/04/23

Given the following constraints, find the maximum and minimum values for z .
Constraints: 2x−y≤124x+2y≥0x+2y≤6Optimization Equation: z=2x+5yMaximum Value of z:Minimum Value of z:
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07/04/23

Given the following constraints, find the maximum and minimum values for z . please help
Constraints: 2x−y≤124x+2y≥0x+2y≤6Optimization Equation: z=2x+5yMaximum Value of z:Minimum Value of z:
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