Answer:
the root of -1 is -1
Step-by-step explanation:
When multiplied by itself, the root is typically a specified number of times gives a specified number or quantity. So -1 × -1 = -1
So there you go
-10.
Solution: Multiply the negative three fourths by everything in the parenthesis.
Add the negative three halves to both sides.
Multiply both sides by negative four thirds.
Answer:
82.8 cm measured to the nearest tenth of 80cm.
1: a) -51
b) -461
2: a) 18078.415936
b) <span>61715.95</span>
Answer: The proportion that will qualify is 0.0314 or 3.14%.
First, we need to find the z-score of a time of 128 seconds. To do this, we find the difference of the mean and score and divide by the standard deviation.
(128 - 141) / 7 = -1.86
Now, use a standard normal distribution table to determine the percent below a z-score of -1.86. That value is 0.0314 or 3.14%.
