Answer:
4. x= -6
5. x= 7
6. x= -18
7. x= 8
8. x= 7
I'll do 9 and 10 in a separate answer
Step-by-step explanation:
4. Multiplying a negative with another negative always equals a positive, so replace x with -6, multiply -6 and -3 and you'll get 18.
5. To make it simple, think "what minus 3 equals 11?" So in this case, multiplying 2 by 7 would = 14, and that minus 3 is 11.
6. Divide a negative by a positive to get a negative answer. -9 + 6 = -3, but first we have to get 9. So since the fraction is x divided by 2, you'd replace x with -18 to get -9.
7. -3 x 8 is -24, + 11 is -13.
8. What minus 7 equals 21? 28. So replace x with 7. (7 x 4 = 28), subtract 7 from 28, and then you'll have 21.
The speed is 120 miles per hours hope this helps
Given that <span>Henry divided the town into eight regions and randomly chose 10 households from each region in order to survey about traffic concerns. This type of sample is called</span> stratified sampling.
Stratified sampling<span> is a type of </span>sampling <span>method where</span><span> the researcher divides the population into separate groups, called strata and then, a probability </span>sample<span> (often a simple random </span>sample<span> ) is drawn from each group.</span>
7.397 will round to 7.40 and 7.388 will round to 7.39
Answer:
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