zainabumar49
zainabumar49 zainabumar49
  • 21-08-2021
  • Mathematics
contestada

if2×4^a-3=16^a÷8^1-a
[tex].[/tex]
2×4^a-3= 16^a÷8^1-a
​

Respuesta :

XxItzPaglisBandixX
XxItzPaglisBandixX XxItzPaglisBandixX
  • 21-08-2021

Answer:

Correct option is

B

10

Given2

2x−y

=32

⇒2

2x−y

=2

5

⇒2x−y=5−−−−(1)

Again2

x+y

=16

⇒2

x+y

=2

4

⇒x+y=4−−−−(2)

Adding(1)and(2)weget

3x=9

⇒x=3

Substitutingx=3in(2)weget

y=1.

∴x

2

+y

2

=3

2

+1

2

=10(Ans)

Answer Link

Otras preguntas

thanks that helped alot
Sputnik is the name of the first ___
The GCF of two numbers in J & K is 8. What is the GCF of 2j and 2k?
simplify (sinx - cosx) (sinx + cosx)
How do you calculate HDI
In Their Eyes Were Watching God, which of the following is the best description of Joe's attitude when he reaches Eatonville?
A poster is 3 inches long. it is 4 times as wide as it is long find the perimeter and area of the poster?
what is happening to a substance undergoing thermal expansion?
Madeline usually makes 85% of her shots in basketball. If she attempts 20, how many will she likely make?
where does our solar system exist in the milky way