Answer:
FOIL IT:
First multiply the first terms in each parenthesis.
Outside is next. You multiply the terms on the outer edges of each parenthesis.
Inside is next. Multiply the terms on the inside edge of each parenthesis.
Last: Multiply last terms in each parenthesis.
YOU GET:
3x^2 - 2x - 8
Answer: Pr= 42.9%
Step-by-step explanation:
SD = 4.2
Mean = 9.4
That is data are distributed between 9.4+/-4.2
Which is between 5.2 - 13.6
Probability of at least 10lb is given by;
Pr= 13.6-10 / 13.6-5.2
Pr= 3.6/ 8.4
Pr= 0.4286× 100%
Pr= 42.9%
226,000
Step-by-step explanation:
250,000-24,000=226,000
Each piece of rope will be 7 meters
Answer: B and E
Step-by-step explanation: