Six less than seven times a number is equal to-12
1 answer:
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Answer: Step 5
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Reason:
The order of operations is PEMDAS
- P = parenthesis
- E = exponents
- M = multiplication
- D = division
- A = addition
- S = subtraction
The multiplication and division are on the same level of precedent, and the same goes for addition and subtraction. Some math textbooks may refer to PEMDAS as BODMAS, which is basically the same thing.
Notice how division comes before addition. So we must compute the portion first before adding in step 4.
This is what steps 4 and onward should look like
So that's why the error is in <u>step 5</u>
If there was parenthesis around the "2+10", and we had , then step 5 given by your teacher would be correct.
Solution: The sequence B shows the steeper line.
Exanation:
The line having greater slope is always steeper than the other lines.
Since it is given that the sequence A increases by 3 and the sequence B increases by 8. It means for each additional value the sequences increased by 3 and 5 units respectively.
The slope of line is rate of change of one variable with respect to another variable.
The sequence A increased by 3, therefore the slope of line of sequence A is 3.
The sequence B increased by 8, therefore the slope of line of sequence B is 8.
Since the slope of sequence B is greater than the slope of sequence A, therefore the line of sequence B is steeper than the line of sequence A.
The sequence A can be defined as 3,6,9,12,.... and the sequence B can be defined as 8,16,24,....
So the coordinates points of sequence A are (0,0)(1,3),(2,6) and the coordinates points of sequence B are (0,0),(1,8),(2,16).
From the given figure it is notes that the blue line is steeper than red line.
Therefore, the sequence B shows the steeper line.
