Sava D.

James can jog twice as fast as he can walk. He jogged the first 9 miles to his aunts house, but then he tried and walked the remaining 1 miles. if the total trip took 1.1 hours then what was his... more

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Geometry Solid Geometry Polyhedra

06/06/19

Why no higher-genus regular polyhedra?

It seems to be a fact that there are only five bounded connected non-selfintersecting polyhedra with identical regular-polygon faces and congruent vertices (i.e., you can pick a neighborhood of... more

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Geometry

06/05/19

Why is rectangle the only shape which two instances having the same angles doesn't imply they are similar?

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Trigonometry Mat

03/10/19

Prove that sin^5x=sinx-2cos^2xsinx+cos^4xsinx

sin^5x=sinx-2cos^2xsinx+cos^4xsinxPlease prove

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#math #algebra #help #tutor #solutions

07/12/18

the length of a rectangular is 3 less than twice it's width. A 4-meter deck surrounds the pool. The area of the deck is 400 m^2. Find area of a pool.

math, algebra one, help

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High School

07/04/18

High School Pre-Cal

Which of the following is equivalent to the coefficient of the a^5b^4 term in the binomial expansion below? (A+B)^9 A. 9 C3 B. 9P3 C. 9P4 D. 9P4

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Mechanics Drift Velocity Quantum Mechanics/qft

07/04/18

If classical physics laws fail at the quantum level , why do we still use classical physics formulas for deriving relations at an subatomic level ?

While getting a lecture on drift velocity of electrons , i came across the formula F=MA being used for electrons . also equations of motions were applied to subatomic particles . but if classical... more

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Math Word Problem

06/28/18

how many pieces of 10 5/6 inch bar can be cut from a stock 20 foot bar?

i need help solving this problem

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Science Biology Maths

06/27/18

why does arm span correlates the height and why does it directly proportional?

I need help with this question

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#math #algebra #algebra2

06/27/18

If tanx = 4/3 what is cos (2x)?

Also please add the formulas you can use to find cos(2x)

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College Algebra

06/27/18

Algebra question

1/x +2y ---------- 3/x- 4/y2

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Maths

06/26/18

Draw a triangle with two side lengths 8cm and 12 cm, with an angle of 25 degrees between these sides. How many different triangle can be constructed

In this investigation we will discover other conditions which will allow us to conclude that two triangle are congruent

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Geometry Proofs Angles

06/26/18

Fill in the blank proof !Help!

1. We are given that diagonals segment AB ≅ segment BD. 2.It can be stated that segment AB ≅ segment DC because they are opposite sides of a parallelogram.3. By the Reflexive Property of... more

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Polynomial Division

06/26/18

Use long division to find the quotient Q(x) and the remainder R(x) when P(x) is divided by d(x) and express P(x) in the form d(x) times •Q(x)plus+R(x).

Use long division to find the quotient Q(x) and the remainder R(x) when P(x) is divided by d(x) and express P(x) in the form d(x) times •Q(x)plus+R(x). P(x)equals=x^3+ 2x^2 -8x+38x d(x)equals=x+5

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Percentage Problems

06/26/18

If A=4.83% and B=5.32%, B should exceeds A by 0.5%. Is B subtract A is the solution to find out whether B exceeds 0.5% or any other calculation

Percentage problem

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Algebra

06/26/18

The equation of the following lines (2,6) (-3,5)

Find the equations of the following lines. Write the equation in the form ax+bx=c

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Intermediate Value Theorem

06/26/18

Intermediate Value Theorem

For which integer value of n does the Intermediate Value Theorem guarantee that f(x)=(x^3)+2x+4 has a zero in the interval [(n/2),((n+1)/2)]

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Complex Numbers

06/26/18

Find the modulus and argument of: z= ((1 +j2)^2 * (4−j3)^3) / ((3 +j4)^4 * (2−j)^3)

Ans: (√5)/25,−2.035 Please show step by step

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#algebra #trig #math

06/26/18

If cos x = 8/17 and 270° < x < 360°, what is sin(2x)

Please write the fraction in simplest form thank you so much for helping

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Algebra 1

06/25/18

which of the following equations describe the line (-5,3) (4,-6)

a. y-3=-(x+5) b. y-6=-(x+4) c. y=-x-2 d. y-5=-(x+3) e. y+4=-(x-6)

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Set Theory Sets

06/25/18

If A and B are subsets of the universal set U , then show that

A⊂B⇔A∪B=B , without the use of Venn-Euler diagram.

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Probability

06/22/18

P(A)=1/5,P(AnB)=3/100, P(B|A)=?

HELP

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Evaluate the quotient, and write the result in the form a + bi. (Simplify your answer completely.)

evaluate the product and write the result in the form a +bi