Yes, as long as thy have the same variable. In this case 6r-15r would be -9r
Answer:
Use the Distance Formula to find the equation of a parabola with focus F(2, 4) and directrix y = –4. ... Example 1 Continued (x – 2) 2 + (y – 4) 2 = (y + 4) 2 Square both sides. Expand. ... Example 1 Continued Simplify. ... Step 3 The equation of the parabola is .y = – x 21 20 Check Use your graphing calculator.
Step-by-step explanation:
Use these facts to count the approximate area of the unshaded region:
1. (from the table);
2. ;
3. ;
4. (from the table);
5. ;
6. .
Then the approximate area of the unshaded region is .
Answer: correct choice is C.
Part 3 of the graph shows a linear relationship. This is because a line that is linear is a straight line and part 3 of the graph is the only straight line. Hope this helps!
Answer:
b, c, d, e
Step-by-step explanation:
a) 18/24 = 75%
b) 18/20 = 90%
c) 36/40 = 90%
d) 54/60 = 90%
e) 81/90 = 90%