albinasaryeva albinasaryeva

26-02-2017
Mathematics

contestada

If a+b=s and a-b=t, then which of the following expresses the value of ab in terms of s and t?

Respuesta :

bobbbbkkk bobbbbkkk

26-02-2017

(s^2-t^2)/4
because s^2=A^2+2ab+B^2
t^2=A^2-2ab-B^2
so it is easy to caculate

Answer Link

Otras preguntas

Is 2/5 greater than 1/3

Selecting a job based on your skills and interests is important, because on average, a person with a full time job works approximately _____ hours each year.

Wendy plans to run her first 5k in two months, and she needs to prepare. She has a busy schedule, though, and needs to select the best activity for her heart he

what is the sum of 3/10 and 17/100

what is the value of 3 in 30

A cell is a complex system. Like most systems, a cell contains a boundary that separates things that are inside the system from those that are outside of the sy

What is not something the Rider says to scare Will at the Stanton house on Christmas morning? A. that no one can stop the Dark from rising B. that the Dark will

The temperatures recorded one day at two cities are shown below: City L: −8° F City M: −9° F Which statement about the temperatures at the two cities is true? C

The number of bagels sold daily for two bakeries is shown in the table. Bakery A Bakery B 15 15 52 16 51 34 33 35 57 12 12 9 45 36 46 17 Based on these dat

600+15y=750. solve for y can I as well have the way you solved for y?