Answer:
x ≥ 88
Step-by-step explanation:
In order to have at least an average of 80 after 4 tests, the sum of her scores must be at least 80 * 4 = 320 so we can write the following inequality:
71 + 78 + 83 + x ≥ 320
232 + x ≥ 320
x ≥ 88
Answer:
Step-by-step explanation:
So we have the equation:
And we want to solve for a.
So, subtract 1.2a from both sides:
Now, subtract 3.4b from both sides:
And that's our answer :)
Answer:
Slowest time of 40 yard dash coach recorded = 5.75 seconds.
Explanation:
Fastest time of 40 yard dash coach recorded = 4.58 seconds.
Difference between fastest and slowest time = 1.17 seconds.
Slowest time of 40 yard dash coach recorded = Fastest time of 40 yard dash coach recorded + Difference between fastest and slowest time
Slowest time of 40 yard dash coach recorded = 4.58 + 1.17
= 5.75 seconds.
So, slowest time = 5.75 seconds.
Answer:
3x the second one
Step-by-step explanation:
