Answer:
The horizontal line is the x axis
the vertical line is the y axis
The first number is always the number of the x axis
Example.
(6,9)
6 is in the x axis
9 is in the y axis
find the number 6 in the x axis (the horizontal one) and then go up until the number 9.
Answer:
B. x ≥ 2
Explanation:
<em>hey there,</em>
<em />
< 54-10x ≤ 20+7x
This is kind of simplified as if it was an equation with "=". First, put all the "x"s to one side.
54-10x-7x ≤ 20
Put all the regular numbers to the other side.
-10x-7x ≤ 20-54
Continue simplifying:
-17x ≤ -34
When finishing up this to try to find "x", you are going to change the sign to the opposite (since here it is greater than or equal to, you're going to change it to less than or equal to). The sign is going to change because the numbers being dragged over are negative. This is just a rule you have to follow. So:
x ≥ 2 is your final answer. >
<u>Hope this helped! Feel free to ask anything else.</u>
(Also for future reference, you can add your question in the question box instead of into the comments.)
Answer:
a) -2n+14
b) -5n+30
Step-by-step explanation:
a) 12 to 10 to 8 etc. is -2 each time.
Since this is linear, so the first part is therefore -2n. To get from -2 to 12, you have to add 14. So the expression is -2n+14. Now, to prove this, we can input 5 where n is to find the 5th term, which should be 4. -2x5 = -10. -10+14 = 4. The expression is proven correct.
b) 25 to 20 to 15 etc. is -5 each time.
This is also linear, so the first part is therefore -5n. To get from -5 to 25, you have to add 30. So the expression is -5n+30. We can prove this similar to question A. We input 5 where n is to find the 5th term which should be 5. -5x5 = -25. -25+30 = 5. The expression is proven correct.
