Answer:
No, it is not correct, d has no value so it is 17d. if d did have a value though then d would equal around 4.6
Step-by-step explanation:
Answer:the last table
Step-by-step explanation:
If all the x’s are the same, there is zero slope, if all the y’s are the same like the first table, the slope is undefined, not zero
Answer:
-20x + 15
Step-by-step explanation:
Answer:
x = 28 (So it takes 28 hours for the temperature to reach 0°C.)
y = -70 (So the temperature when the experiment begins is −70°C.)
Step-by-step explanation:
To find the the x value, you remove the y value or replace it with 0.
0 = 5/2x - 70
Next you move the variable.
70 (2/5) = x (multiply 70 by 2 to get 140 and divide that by 5)
And now you simplify to get:
28
To find the y value, you remove the x value or replace it with 0.
y = 0 - 70
And now you simplify to get:
-70
x = 28
y = -70
