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alexira [117]
3 years ago
15

a classroom is arranged with 10 seats in the front row 12 seats in the middle row and 18 seats in the back row the teacher rando

mly assigned seats to students as they enter the classroom what is the probability of the first student who enter the classroom will be assigned a seat in the middle row?​
Mathematics
1 answer:
myrzilka [38]3 years ago
8 0

Answer:

3/10

Step-by-step explanation:

12/40 = 3/10

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From the given statement above, the information that can be extracted from the data is the mean which is equal to 9 % , SD equal to 4%, n is equal to 20. we can also get the variance from SD. also, we can also determine the z-score of the data which is important in the distribution.
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Ken has an investment account which compounds interest continuously at a rate of 3.4%. After 4 years, he has $4400 in the accoun
Maksim231197 [3]

Answer:

$6617

Step-by-step explanation:

Use the formula for calculating compound interest A=P0ert where A is the unknown, P0=4400, r=0.034, and t=12. Substitute the values into the formula and simplify.

A=4400e0.034⋅12

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2 years ago
Read 2 more answers
Consider the isosceles triangle below where the side lengths are given in cm:
DiKsa [7]

Answer:

I think is B

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7 0
3 years ago
Need answer ASAP!!<br> Find the area of the shaded region.
qwelly [4]

Answer:

(5x² +7x -26) units²

Step-by-step explanation:

\boxed{area \: of \: rectangle = length \times breadth}

Area of shaded region

= Area of larger rectangle -area of smaller rectangle

Area of larger rectangle

= (3x -4)(2x +2)

= 3x(2x) +3x(2) -4(2x) -4(2) <em>(</em><em>Expand</em><em>)</em>

= 6x² +6x -8x -8

= 6x² -2x -8

Area of smaller rectangle

= (x -6)(x -3)

= x² -3x -6x +18 <em>(</em><em>Expand</em><em>)</em>

= x² -9x +18

Area of shaded region

= 6x² -2x -8 -(x² -9x +18)

= 6x² -2x -8 -x² +9x -18

= 5x² +7x -26

4 0
3 years ago
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