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Steps to find the true jet velocity .A jet is flying through a wind that is blowing with a speed of 40mph in the direction N10E.The jet has a speed of 625mph relative to the air, and the pilot heads the jet in the direction N20W.
This article covers the steps involved in finding the wind and jet vector. Following are the concepts covered and features of this article How to…
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Parabola Equation.Types of parabolic equations.
Learning objectives: This article explains one of the conic sections The PARABOLA in detail. A brief introduction on the conics sections and types of conic…
Read MoreFind all the ways you can use exactly 50 coins to make change for a $1.00 bill.(I recommend starting with lot of pennies)
Find all the ways you can use exactly 50 coins to make a change for a dollar 1.00 bill. Solution:- Given that we can use…
Read MoreTwo pipes can fill a tank in 76 minutes if both are turned on.If only one is used,it would take 27 minutes longer for the smaller pipe to fill
Two pipes can fill a tank in 76 minutes if both are turned on. If only one is used, it would take 27 minutes longer…
Read MoreThe sum of two integers is 704 and the larger number is 11 more than 8 times the smaller number.Find the two integers.
The sum of two integers is 704 and the larger number is 11 more than 8 times the smaller number. Find the two integers. Detailed…
Read MoreA grocer wants to mix two kinds of coffee.One kind sells for $1.45 per pound,and other sells for 2.20 Per pound. He wants to mix a total of 21 pounds and sell it for 1.70Per pound.
A grocer wants to mix two kinds of coffee. One kind sells for 1.45 per pound, and other sells for 2.20 per pound. He wants…
Read MoreIntroduction to Conic Sections
Learning objectives: This article focuses primarily on prerequisites to understand the conic sections and the real-time applications of conic sections. The following is the brief…
Read More18,355 is invested,part at 13% and the rest at 7%.If the interest earned from the amount invested at 13% exceeds the interest earned from the amount invested at 7% by $963.55
Question:18,355 is invested,part at 13% and the rest at 7%.If the interest earned from the amount invested at 13% exceeds the interest earned from the…
Read MoreBetty invested some money at 15% interest.Betty also invested $237 more than 2 times than amount at 13%
Question: Betty invested some money at 15% interest. Betty also invested more than 2 times that amount at 13%. How much is invested at each…
Read MoreGraphing the Quadratic functions.
Learning objectives: This lesson focuses primarily on graphing quadratic functions, and how can vertex of the parabola help in easy parabola graphing.Other supporting topics include quadratic…
Read MoreTransformations of Quadratic functions .
Learning objectives: This lesson focuses on the transformations of quadratic functions, and how the vertex form of a quadratic helps in understanding the transformation. We…
Read MoreVertex form of a parabola,Standard to vertex form conversion
Contents: This article covers the vertex form of a parabola, how to find the vertex of a parabola and the intercepts. Please do attempt the…
Read MoreVertex of a parabola,Domain and Range of a Parabola.
Contents: This article focuses on the graph of the quadratic function called “Parabola” and Vertex of a parabola. Following are the key features of this article.…
Read MoreFinding the roots of a Quadratic equation using the Quadratic formula
What is the Quadratic Formula? The Quadratic formula is one of the methods to find the roots of a quadratic equation. It is a faster…
Read MoreSolving the quadratic equation by completing the square method
Contents: This article covers one of the methods used to solve the quadratic functions which is called ” completing the square method”. The following are…
Read MoreSolving Binomial & Trinomial quadratic equations by factoring
Contents: This article covers in detail, the techniques that can be used for solving quadratic equations by factoring. There can be three types of quadratic functions…
Read MoreSum and product of the roots of a quadratic equation.Definition of a Quadratic equation.
Contents:- Without even finding the actual roots of a quadratic equation using the Factorization method or The Quadratic formula, we can find the sum and…
Read MoreStandard form of a Quadratic and identifying the coefficients in a quadratic.
Contents: This article shows the standard form representation of a quadratic equation and how to identify the coefficients a,b,c from the standard form of a…
Read MoreQuadratic function definition & Types of Quadratic functions
Contents: This article gives the definition of a quadratic function and explains how to identify a quadratic function, given a polynomial function. Following are the key…
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