9514 1404 393
Answer:
see attached
Step-by-step explanation:
To compute a value for the table put the given "input" into the formula and do the arithmetic. Repetitive arithmetic is often easily handled by a graphing calculator or spreadsheet.
<u>Example</u>:
for n=2, C = 40·2 +210 = 80 +210 = 290
Answer:
50 + 20x
Step-by-step explanation:
Let's call the number of weeks after he started his saving account x. Then, we starts at 50, and every week, he gains 20. Because there are x weeks, the answer is 50 + 20x.
Answer:
B.
Step-by-step explanation:
6x3=18
18x4=72
3x3=9
9x2=18
72=18=90
Which expression is equivalent to -1.3 - (-1.9)−1.3−(−1.9)minus, 1, point, 3, minus, left parenthesis, minus, 1, point, 9, right
RideAnS [48]
Answer:
Choise B: 
Step-by-step explanation:
For this exercise you must remember the multiplication of signs:

By definition, equivalent expression have the same value.
Then, you can find an equivalent expression to the expression provided in the exercise by simplifying it.
So, given:

To simplify it, you can distribute the negative that is located outside of the parentheses (in order to eliminate the parentheses).
Applying this procedure, you get the following equivalent expression:

Therefore, as you can notice, the expression obtained matches with the one shown in Choice B.
Answer:
<u>2y - 5 (read below)</u>
Step-by-step explanation:
-8y + 10y = 2y
2 + (-7) = -5
Your expression could/would be:
2y - 5.
Hope this helps!