It could basically be used to simplify 130(26) because if you multiply the number on the outside of the parenthesis(13) with the numbers inside the parenthesis(10+2), you will get <span>130(26).</span>
Answer:
f(5) = <u>29</u>
Step-by-step explanation:
<u>Step 1: Identify the function</u>
f(x) = 4x + 9
<u>Step 2: Let x equal 5 in the function</u>
f(5) = 4(5) + 9
<u>Step 3: Multiply</u>
f(5) = 20 + 9
<u>Step 4: Add</u>
f(5) = 29
Answer: 29
With a 15 year or 180 month mortgage they will pay out $133,680.60 compared to the 30 year or 360 month mortgage they will pay out $183,988.80 which is $50,308.2 more. So they would save $50,308.2 if they select the 15 year mortgage.
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Answer:
1. The error that Charlotte made is that she said it would be positive 7 when it actually should be negative 7.
2. If you are subtracting from a negative number, then the answer will always be negative.
Hope this helps :)
