2 years ago

Rewrite this expression with grouping symbols 3a -3

Mathematics

1 answer:

frosja888 [35]2 years ago

4 0

Answer:

The expression with grouping symbols is, $3(a-1)$

Step-by-step explanation:

Grouping symbols are used to show what should be done first in the math expression.

Parentheses are the most common grouping symbols.

Given the expression: 3a -3

to rewrite this expression with grouping symbols:

Place the parentheses

$3(a-1)$

Therefore, the expression with grouping symbols is, $3(a-1)$

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the initial term of arithmetic sequence is 5. The eleventh term is 125. what is the common difference of the arithmetic sequence

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An arithmetic sequence starts with one number and you add the common difference to the previous term to get the current term
So...
f(x)=mx+b
m=common difference
b=starting point
f(11)=125=11m+b
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f(1)=5=1m+b
--------
120=10m
Divide both sides by 10
12=m
Your common difference is 12.

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2 years ago

Part A: Solve for A

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