burberryloe
burberryloe burberryloe
  • 30-06-2015
  • Mathematics
contestada

If a = 7, what is the value of the expression 2(a + 8)?

Respuesta :

Аноним Аноним
  • 30-06-2015
2 ( 7 + 8 )

Do the distribute property.

14 + 16

= 30
Answer Link
geerky42
geerky42 geerky42
  • 30-06-2015
Plug in a=7, and you have 

2( 7 + 8 )

Here, we know that 7+8=15

So we have 2( 7 + 8 ) = 2( 15 )

2 times 15 equals 30

So 2( 7 + 8 ) = 2( 15 ) = 30
Answer Link

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