so5434720
so5434720 so5434720
  • 23-04-2021
  • Mathematics
contestada

If x + y = 5 and x - y = 3, then x^2 - y^2 = ?
A) 9
B) 15
C) 16
D) 25
E) 34
With steps pleaseee

Respuesta :

lb127947
lb127947 lb127947
  • 23-04-2021

Answer:

B) 15

Step-by-step explanation:

Using basic logic we find that x = 4 and y = 1

4^2 = 16

1^2 = 1

16 - 1 = 15

Answer Link

Otras preguntas

When the Nile flooded, what did it leave behind?
find the percent of this number 55% of 900
If solution A has twice as much solute as solution B is it possible for them to have the same concentration
If solution A has twice as much solute as solution B is it possible for them to have the same concentration
how did americans feel about the future of their new government in 1790
Loftus used her research to prove that __________. A. memories of childhood trauma are usually true B. adults’ memories are concrete and rigid C. children have
explain why the direction along which the electromagnetic wave travels is not the same as the direction along which the changing electric field is applied.
Adam Smiths Wealth of Nations stressed the importance of?
if f(x)=-x+12 find f(2) & give the ordered pair
Who used khipu, a system of recording numbers by tying knots on strings? A. Aztec B. Maya C. Inca 7 grade help please