melissaerdem melissaerdem

01-10-2017
Mathematics

contestada

If (a+b)^2=25, and a^2+b^2=17, then what is a*b equal to? Thanks.

Respuesta :

Аноним Аноним

01-10-2017

a^2 + b^2 = (a + b)^2 - 2a*b

substituting:-

17 = 25 - 2 a*b
a*b = (25-17) / 2 = 8/2 = 4 answer

Answer Link

Otras preguntas

A cyclist is riding a bicycle whose wheels have a radius of 12 inches. Suppose she is traveling at 24 miles per hour. (A useful fact: 1mil=5280 ft.) WILL GIVE 2

The first 10 amendments to the Constitution are known as? A.The 10 Commandments B.The Bill of Rights C.The 10 Laws of the Land

If there are 48 block and 3 quarters of the blocks were red how many blocks are red

YUUURRRR HELP A HOMIE OUTT The force of gravity between two objects is given by Fg = −Gm1m2 r2 , where G is the gravitational constant, m1 and m2 are the mass

Which scientist developed the model of the atom shown?

Commonalities used to group languages together include ______ a) origins, sounds, and words b) sounds, dialects, and accents c) letters, vowels, and body langu

I WILL GIVE BRAINLISTTTTTTTTTTTTTTTTTTTTTTTTT!!!!!!!!!!!!1 PLS HELPPPPPPP Rubén Darío (1867-1916) fue un famoso poeta de Nicaragua. El siguiente poema es una de

True False Problem Enter T or F depending on whether the statement is true or false. (You must enter T or FTrue and False will not work.) 1. If the solution to

True or False? You need to add a zero under the 4 as a placeholder.

What was the capital of the Aztec empire