Moving at a constant rate, a trench machine is advertised as being able to dig 36-foot trenches in 49 minutes. a farmer used the same machine to dig trenches that are 58.5 feet long, with each trench taking 65 minutes to complete.

chose the statement describes independent relations between the independent and dependent qualities.

1. the trench links depends on the time spent digging the trench
2. there is no relationship between the trench length and the time spent digging the trench
3. the trench lengthis independent for the time spent digging
4. the time spent digging the trench depends on the trench length

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answer: a. 13/44

step-by-step explanation: judging by the information given to us, we are looking for experimental probability. we can see that 13 males have chosen chocolate ice cream. there are 44 ice creams in total (remember that the total is always the denominator). so our answer is 13/44.

the correct answer option is (2x-3)(2x+3).

step-by-step explanation:

we are given the following expression and we are to factorize it:

we are to find such factors that when multiplied they give a result of 36 (9 x 4 = 36) and when added they give a result of 0.

the two such factors of 36 are negative six and postive six.

factorizing the given expression to get:

therefore, the correct factorization of is (2x-3)(2x+3).