Answer:
x - 3
Step-by-step explanation:
Given
Note that x² - 9 is a difference of squares and factors as
x² - 9 = (x + 3)(x - 3), thus
Cancel the x+ 3 factor on the numerator/ denominator leaving
x - 3 ← in simplified form
Answer: 1.4 meters
divide the length value by 39.37
56/39.37= 1.4
Answer:
360
Step-by-step explanation:
Formula
Sides -2 ×180
4-2=2×180=360
In one sample t-test, you compare it to some value that you already know to represent the population mean. In the t-test for correlated groups, the statistic is the difference between your two samples, which you test against the population mean difference.
Answer:
4+10th
Step-by-step explanation:
Use vector arithmetic to simplify.
