dealecio0310 dealecio0310

21-04-2021
Mathematics

contestada

simplify.

#1.

9^2-1

_

4+6^2-10

#2.

10(19-4^2)

_____

7+3^2-1

Respuesta :

slyfacejunior242 slyfacejunior242

21-04-2021

Step-by-step explanation:

#1

9^2-1

(9×9)-1

81-1

80

#2

10(19-4^2)

10(19-16)

10(3)

30

Answer Link

heyh80405 heyh80405

21-04-2021

Answer:

1. 80

2. 30

3. 15

Step-by-step explanation:

1. 9^2=81 ...81-1=80

2. 4^2= 16 so..10(19-16)-> 10(3)= 30

3. 3^2= 9 so... 7+9-1-> 7+9=16 16-1=15

Answer Link

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