Answer: The Emerald Bot clicks 3 times in __0.4_ sec
²/₁₅ second per click × 3clicks = ²/₅ sec
Or 0.1333 × 3 = 0.3999 Round to 0.4
Step-by-step explanation: If its unit rate is 7.5 clicks per second, we can find the time, seconds per click by dividing one second by 7.5 clicks
1/7.5 = 0.13333 seconds per click.
Multiply that ²/₁₅ seconds by the 3 clicks to get the time it takes for the 3 clicks.
Answer:
1,680
Step-by-step explanation:
There are 8 students to choose for the first chair. After we choose one, we have 7 students to choose from for the second chair, 6 for the third chair, etc.
8 * 7 * 6 * 5 = 1680 (ans)
Answer:
D.) This system has no solutions (The one you chose is correct)
Step-by-step explanation:
y = 8x + 9
-8x + y = -1
-8x + y = -1
y = 8x - 1
These two lines will also never meet as the slope are both 8, but the y-intercept is different, to check, look at the graph below.
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