rewathysathyam
rewathysathyam rewathysathyam
  • 01-02-2021
  • Mathematics
contestada

80^2 - 45^2 = a^2 - b^2

ans pls in working, thnx in advance

Respuesta :

manissaha129
manissaha129 manissaha129
  • 01-02-2021

Answer:

[tex]{a}^{2} - {b}^{2}= {(80)}^{2} -{(45)}^{2} \\(a + b)(a - b) = (80 + 45)(80 - 45) \\ = 125 \times 35 = \boxed{ 4375}✓[/tex]

4375 is the right answer.

Answer Link

Otras preguntas

How long did mummification go for poor Egyptians?
what is perpendicular to y= 3x -9 and passes through the point (3,1)
what is perpendicular to y= 3x -9 and passes through the point (3,1)
Genetic crosses Question:A brown coat is dominant to a white coat in cattle.  A farmer has a brown bull.  How would you determine whether the bull is a heteroz
What are good book to read from war times about family / adoption / giving up of children
what is the answer to this question -√(12)+5√(75)
Put brackets in the expression below so that it's value is 45.024. 1.6 + 3.8 * 2.4 *4.2 (*= times )
Determine the half-life of potassium if in 3460 years a 200 g sample decayed into 25 g
NaOH  + H2SO4 =NaOH + HNO3  =Cu(OH)2 + HCl =                H2SO4 =                        HNO3 =
What is 2.333333 in fraction form