Answer:
x = 5±√31
Step-by-step explanation:
Step 1: Complete the Square
x² - 10x + 25 = 6 + 25
(x - 5)² = 31
Step 2: Solve for <em>x</em>
√(x - 5)² = √31
x - 5 = ±√31
x = 5±√31
And we have our answers!
Answer:
e. Two-sample t-test.
Step-by-step explanation:
This is simply because you only have interval level of measure and you are comparing two populations.
Moreso, this hypothesis test is used to determine questions related to the mean in situations where data is collected from two random data samples. The two sample T-test is often used for evaluating the means of two variables or distinct groups, providing information as to whether the means between the two populations differs. It also can be used to compare the responses of males and females who have each received different treatment within an experiment.
Answer:
7.9 is less than 8.0
Step-by-step explanation:
Source My head
Answer:
Step-by-step explanation:
Step 1. Calculate the volume of the room
V = lwh = 5 yd × 5 yd × 3 yd = 75 yd³
Step 2. Convert cubic yards to cubic feet
3 ft = 1 yd
Step 3. Convert cubic feet to cords
128 ft³ = 1 cord
