01/11/18

I need help with this proof
Given: Quad. ABCD Prove: AB + BC + CD + DA + > 2(AC)
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01/11/18

What is the period of y=3cos(4x+♊️/2)+5
What is the period of y=3cos(4x+♊️/2)+5
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01/10/18

If p=76 inches what is the width? 19 inches height
The perimeter is 76inches the height is 19inches what is the width? 
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01/10/18

Evaluate the function at the given value of the independent variable. Simplify the results.
f(x)=x^3   (f(x+Δx)+f(x))/Δx  (Δx≠0)
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01/09/18

what an expression equivalent -3(x-4)
i have to find an expression equivalent to -3(x-4) and i think i have to use the destributive property
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01/09/18

Can't solve this need it immediately
For g(x)=-4x find g(x) when x=2   Second part is find g when x=2
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01/09/18

Your $35,000 annual salary increases by 4% each year
Write and graph a function that represents the situation
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01/08/18

What is the midpoint of (-3,9), (5,3)
What is the midpoint of (-3,9),(5,3)  
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01/08/18

What polynomial is obtained if 2x²+3x-2 is multiplied by 4x? Evaluate the product if x= -1
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01/08/18

give an example of a continuous function which is not differentiable at x=2
I need an other answer other than |x-2| please.
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01/07/18

kenny reads 4/9 page in 3/5 minutes
 that i need help
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01/07/18

business math
Universal Waste Disposal sold 1,350,000 shares of stock at $24.62 per share. The investment banker's commission was 5% of the value of the stock. Accounting fees were $450,000, legal fees were... more
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01/06/18

Find the major and minor of the ellipse
please find the major and minor axis of the ellipse x^2/100 + y^/36= 100
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01/06/18

find an asymptote to the curve y^2(a + 2x) = x^2(3a - x)
the answer given is x = - a /2 . Please explain how? 
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01/05/18

A wet bicycle tire leaves a trace of water on the floor. The tire has a radius of 14 inches, and the bicycle wheel makes 3 full rotations before stopping
Im not sure how to do this its hard i been doing khan academy the whole time and it hard 
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01/05/18

How do I find the length of the tangent segment P(-10,0) to the graph of x^2+6x+y^2-12y=4?
How do I solve this Pre-Calculus problem?
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01/05/18

Find all values of h for which the quadratic equation has two real solutions 8x^2+7x-h=0
Find all values of h
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01/05/18

The bill for a meal was $33.75. The customer left $40.00. What percentage of the bill was the tip
I think the answer is 18.5185, but I want to know if I got it right. I don’t have anyone to ask that knows how to do this.
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01/05/18

The enrollment at School R has been increasing by 20 students per year
The enrollment at High School R has been increasing by 20 students per year. Currently High School R has 200 students attending. High School T currently has 400 students, but its enrollment is... more
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12/31/17

A uniform metre ruler of weight 0.2 N balances at the 60 cm mark, when a weight W is placed at the 80 cm mark. What is the value of W?
please explain how is its answer becomes 0.1 N 
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12/30/17

I put the question into the description
The sum of the measures of the angles of a triangle is 180 degrees. The middle-sized angle measures 5 degrees more than 4 times the smallest angle. The middle-sized angle measures 53 degrees less... more
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12/30/17

angle a is congrunt to angle c and angle EBA is congruent to angle DBC and B is the midpoint of line segment AC prove triangle AEB is congrunt to triangle CDB
how do I do this proof in statements and reasoning  
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12/30/17

Doubt in the concept of a question on gravitation and satellites
Two satellites of same mass m are revolving around earth(M) in same orbit of radius r. Rotational directions of the 2 satellites are opposite, therefore they can collide. Total mechanical energy of... more
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12/29/17

what is the acceleration of a proton in an electric field strength 4.0 x 10^4?
How i did it }F=MAE=F/Q :F=QEMA= QE : A=QE/Musingmass 9.11x10^-31charge 1.6x10^-19Efs 4.0x10^4and i get the answer 7.0x10^15this is question 8 from physics pp edexcel ial jan 2014 mark scheme says... more
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12/27/17

describe how to write 0.0000672 in scientific notation
 0.0000672 answer that in scientific notation
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