Answer:
Addition
Step-by-step explanation:
means to add
Answer:
Look at the number line.
Step-by-step explanation:
Step 1: Draw a number line.
Step 2: Mark -4 on the number line.
Step 3: Here we have to subtract 8, therefore, from -4 move 8 units left, we end up at -12.
That is the answer. Here is the picture.
Hope this will help you.
Thank you.
Answer:
So the value of the test statistic is -0.85.
Step-by-step explanation:
We know that a sample of 1800 computer chips revealed that 53% of the chips do not fail in the first 1000 hours of their use. The company's promotional literature states that 54% of the chips do not fail in the first 1000 hours of their use.
We get that:
We calculate the standar deviation:
We calculate the value of the test statistic:
So the value of the test statistic is -0.85.
A=1 B=2 C=3 Yes it would work for all because its using the commutative property.
Answer: 0; Yes
Step-by-step explanation:
-8 x 4.5 = -36
2 x 18 = 36
-36 + 36 = 0
since the product is zero, the vectors are perpendicular