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Anastasy [175]
3 years ago
14

Part A: simplify the expression 6(2k+5)-20 using the distributive properties=-------------

Mathematics
2 answers:
Alina [70]3 years ago
8 0

Answer:

A: 12k+30-20

B: $160

Step-by-step explanation:

A: You multiply all of the numbers that are in the parenthesis for distributive property (6x2k and 6x5) but you leave the numbers that are not inside the parenthesis (-20).

B: Once you get your equation from Part A, you just need to substitute k with $12.50.

12k+30-20

=12(12.50)+30-20

=150+30-20

=180-20

=160

ikadub [295]3 years ago
4 0

Answer:

$160

Step-by-step explanation:

Part A-

Step 1: 6(2k+5) - 20

Step 2: 6(2k) + 6(5) - 20

Step 3: 12k + 30 - 20

<h2><u>12k + 10</u></h2><h2><u></u></h2><h3>Part B-</h3><h3>12(12.50) + 10</h3><h3>150 + 10</h3><h2><u>$160</u></h2>
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