Meldeer06
Meldeer06 Meldeer06
  • 02-11-2020
  • Mathematics
contestada

Help!! Solve please?!

Help Solve please class=

Respuesta :

menaliparikh
menaliparikh menaliparikh
  • 02-11-2020

Answer:

k=10 or k=−10

Step-by-step explanation:

Let's solve your equation step-by-step.

(

4

5

k)(k)−5=75

Step 1: Simplify both sides of the equation.

4

5

k2−5=75

Step 2: Add 5 to both sides.

4

5

k2−5+5=75+5

4

5

k2=80

Step 3: Divide both sides by 4/5.

4

5

k2

4

5

=

80

4

5

k2=100

Step 4: Take square root.

k=±√100

k=10 or k=−10

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