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Hi;

The Answer #6314 is correct. Good work, bobbym!

#6315. What is 'Maginot Line'?

#6316. The 17th parallel north is a circle of latitude that is 17 degrees north of the Earth's equatorial plane. It crosses Africa, Asia, the Indian Ocean, the Pacific Ocean, Central America, the Caribbean and the Atlantic Ocean. The parallel is particularly significant in the history of which nation?

Hi;

The two solutions in #3263 are correct. Neat work, bobbym!

#3264. Solve:

Hi;

The two solutions in #6008 are correct. Well done, bobbym!

#6009. If

find .Hi;

The solution 518 is correct. Excellent, bobbym!

519. Find the value of 'a' for which the area of the triangle formed by the points A(a,2a), B(-2,6), and C(3,1) is 10 square units.

Hi;

Both the Answers, #6311 and #6312, are correct. Excellent, bobbym!

#6313. It is an informal forum set up to foster cooperation and provide input for other international groups, such as the World Trade Organization and the Group of Eight. It was established at the Ninth Non-Aligned Movement Summit Meeting in Belgrade, Yugoslavia, in September 1989, and is composed of countries from Latin America, Africa, and Asia with a common goal of enhanced growth and prosperity. It focuses on cooperation among developing countries in the areas of investment, trade, and technology. Name it.

#6314. The G20 (or G-20 or Group of Twenty) is an international forum for the governments and central bank governors from 20 major economies. It was founded in 1999 with the aim of studying, reviewing, and promoting high-level discussion of policy issues pertaining to the promotion of international financial stability. Which is the largest nation in G20?

Hi;

The solution #6007 is correct. Marvelous, bobbym!

#6008. Given 15 cot A = 8, find sin A and sec A.

Hi;

The solutions in #3263 are correct. Excellent, bobbym!

#3264. Find the value(s) of k for which the quadratic equation

have equal roots are __________.Hi;

The solution 517 (b) is correct. Neat work, bobbym!

518. If (-2,1) is the centroid of a triangle, two of whose vertices are (1,-6) and (-5,2), find the area of the triangle.

Hi;

The Answer #6309 is correct. Good work, bobbym!

#6311. Name the Serbian professional tennis player who is currently ranked world No.1 in men's singles tennis by the Association of Tennis Professionals (ATP) (born 22 May 1987). He is considered one of the greatest tennis players of all time. He has won 12 Grand Slam singles titles, the fourth most in history, and has held the No. 1 spot in the ATP rankings for a total of 221 weeks.

#6312. Name the Scottish professional tennis player currently ranked world No. 2 in men's singles (born 15 May 1987). He represents Great Britain in his sporting activities and is a three-time Grand Slam tournament winner, two-time Olympic champion and Davis Cup champion. He was first ranked as British No. 1 on 27 February 2006. He achieved a top-10 ranking by the ATP for the first time on 16 April 2007, and reached a career peak of world No. 2 on 17 August 2009.

Hi;

#6007. If one zero of the polynomial

is reciprocal of the other, find the value of 'a'.Hi;

The solution #3262 is correct. Excellent, bobbym!

#3263. For what value of k , the roots of the equation

are equal?Hi;

The solution 516 is correct. Excellent, bobbym!

517. (a) The sum of the seven terms of an Arithmetic Progression is 182. If its 4th term and the 17th term are in the ratio 1:5, find the Arithmetic Progression (first four terms).

#517. (b) Find the sum of all natural numbers between 500 and 1000 which are divisible by 13.

Hi;

The solution 515 is correct. Excellent, bobbym!

516. The zeroes of the polynomial

are in Arithmetic Progression. Find them.Hi;

The solution set in #6002 is correct. Excellent, bobbym!

If

are the roots of , then find the values of#6003.

#6004.

#6005.

#6006. .

Hi;

The solution #3261 is correct. Neat work, bobbym!

#3262. If the 2nd term of an Arithmetic Progression is 13 and the 5th term is 25, what is the 7th term?

Hi;

The solution 514 is correct. Excellent, bobbym!

515. If

are the zeroes of the polynomial , form a quadratic polynomial whose zeroes are andHi;

The solution #3260 is correct. Neat work, bobbym!

#3261. The 21st term of an Arithmetic Progression whose first two terms are -3 and 4 is __________.

Hi;

The solution #6001 is correct. Good work, bobbym!

#6002. Solve for x and y:

Hi;

The solution 513 is correct. Excellent, bobbym!

514. If A(2,-2), B(8,4), C(5,7), and D(x,y) are the vertices of a rectangle, then find the values of x and y.

Hi;

The solution set in #3259 is correct. Neat work, bobbym!

#3260. Find the sum of all integers between 50 and 500 which are divisible by 7.

Hi;

The solution #6000 is correct. Neat work, bobbym!

#6001. If

find the value ofHi;

The solutions 512 are correct. Excellent, bobbym!

513. If a vertex of a triangle be (1,1) and the mid-points of two sides through it be (-2,3) and (5,2), find the centroid of the triangle.

Hi mathaholic,

**Welcome to the forum!**

Hi;

Both the Answers, #2697 and #2698, are correct. Excellent, bobbym!

#2699. What does the noun *cheddar* mean?

#2700. What does the noun *cheerio* mean?

Hi;

The solution #5999 is correct. Excellent, math9maniac and bobbym!

#6000. If

then find .