Use the gcf of 48 and 30 to write the sum of the two numbers as the product of their gcf and another sum
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GCF of numbers is the highest number that can divide both numbers. The expression for the sum of 48 and 30 is:

The numbers are given as 48 and 30

So, the expression is

Their GCF is 6. So, we have:

Factor out 6

Solve the expression in brackets

Evaluate the product

Hence, the expression is:

Read more about GCF at:

link

Step-by-step explanation:

48 = 6 · 8

30 = 6 · 5

48 + 30 = 6(8) + 6(5) = 6(8 + 5) = 6(13)

Distributive property: a(b + c) = ab + ac

48 = 2 · 2 · 2 · 2 · 3

30 = 2 · 3 · 5

GCF(48, 30) = 2 · 3 = 6

check the picture below.

well, the angle at the vertex d is clearly not a right-angle, let's check for the one at the vertex f which does look like,   however if it's indeed, that means ef is perpendicular to df, in which case their slopes will be negative reciprocal of each other.

so the negative reciprocal of the slope of ef is 1, however the slope of df is not 1, is 1/2, so nope, they're not perpendicular lines.

answer: give more info

step-by-step explanation: