Explain how to use properties to prove d + (8d + 1) + 7 is equivalent to 8 + 9d.

Mathematics

2 answers:

meriva3 years ago

8 0

Answer:

Use the associative property to move the parentheses, and the expression becomes (d + 8d) + 1 + 7. Combine like terms, and the expression becomes 9d +8. Use the commutative property to change the order of the terms, and the expression becomes 8 + 9d.

Step-by-step explanation:

vekshin13 years ago

6 0

Answer:

Exact response: Use the associative property to move the parentheses, and the expression becomes (d + 8d) + 1 + 7. Combine like terms, and the expression becomes 9d +8. Use the commutative property to change the order of the terms, and the expression becomes 8 + 9d.

You might be interested in

Differentiate between interest and interest rate

vodka [1.7K]

Answer:

<h3 /><h3>Interest:</h3>

Interest is the cost of borrowing money, and the money you earn from your savings.

<h3 /><h3>Interest rate</h3>

Interest rates indicate this cost or return as a percentage of the amount you are borrowing or lending (since you are “lending” your savings to the bank)

<h3>❤◍ jess bregoli ◍❤</h3>

#keep learning!!

5 0

2 years ago

Find the 14th term of the geometric sequence 5,-10,20

tamaranim1 [39]

In this specific case, the initial term (a) is 5 and the common ratio (r) is -2

Henceforth, after determining what a and r are, we use the formula for the nth term. Which is:

$a_n = a \times r^{n-1}$