Answer:
The parenthesis should be placed as shown:
5 x (2+1) + 4
Step-by-step explanation:
What Kiki walks every week day is : 2 miles + 1 mile = (2+1)
since this is done 5 times per week (on weekdays) to obtain the total walked on weekdays, you multiply this by 5: 5 x (2+1)
and we need to add to this what Kiki walks on Saturdays (4 miles){
5 x (2+1) + 4
I must assume you mean:
[(x^2 - 4) / (x - 8)] / [x - 2] -----> express this way:
[(x^2 - 4)] / [(x - 8)(x - 2)]
But x^2 - 4 = x^2 - 2^2, which is a difference of squares: a^2 - b^2 = (a + b)(a - b) ----->
[(x + 2)(x - 2)] / [(x - 8)(x - 2)] -----> (x - 2) gets cancelled out ----->
(x + 2) / (x - 8)
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Answer:
Option d
Step-by-step explanation:
Continuous data are data that can take on any values within a range while discrete data can only take on particular values.
Thus for this case study, the number of police cars in different cities are usually not specific and may vary, thus this data is continuous.
A medical researcher need to select 6 people out of 13 people who have volunteered for the test in
To find, how many ways can 6 people be selected.
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