Use the distributive property to simplify the expression 8(5x-9)

Step-by-step explanation:

we have

Applying the distributive property

taking the outer term and multiplying it by each term inside the parenthesis

so

Step-by-step explanation:

Let a, b, and c be any real number. Then

This is called the distributive property.

The given expression is

Or

Let a=8, b=5x and c=-9

We apply the distributive property to obtain:

We simplify to get:

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)

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step-by-step explanation: