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Sever21 [200]
3 years ago
10

In Mr.Martinez's sixth period class, there are 8 boys and 12 girls. what is the probability of randomly selecting a girl?

Mathematics
1 answer:
Alika [10]3 years ago
3 0
2 out 3 randomlygirl
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Find the area of a scalene triangle with sides 9 cm. 12 cm
Neko [114]

Answer:

105 sq. cm

Step-by-step explanation:

The shortest altitude will ⊥ to the longest side.

A = (1/2)bh

=.5(30)(7)

= 105 sq. cm

4 0
3 years ago
What is 3.24 devided by 82?
adell [148]
The answer I 0.03951219512
7 0
3 years ago
Find the value of k such that the line through (k + 3, 7) and (-5,3 – k) has a slope of 3/5
Nookie1986 [14]

Answer:

k = 2

Step-by-step explanation:

slope = rise/run = (y1 - y2) / (x1 - x2)

s = (7 - (3-k)) / ((k+3) - (-5)) give slope is 3/5

3/5 = (7 - (3-k)) / ((k+3) - (-5))   then multiply both sides by ((k+3) - (-5))

(3/5)((k+3) - (-5)) = (7 - (3-k))

(3/5)(k+3+5) = 7 - 3 + k

(3/5)(k+8) = 4 + K

3k/5 + 24/5 = 4 + k

3k/5 - k = 4 - 24/5

3k/5 - 5k/5 = 20/5 - 24/5

-2k/5 = -4/5

-2k = -4

k = 2

8 0
3 years ago
Did I do this right? If not, how should I do it?
kkurt [141]
Unfortunately, your answer is incorrect, but I totally understand your thinking. However, 1/4 is the probability for each individual that they'll be placed in a general civil case. Since there are two of them, and the question is asking the probability that only one will be in a general civil case, you have to approach the problem slightly differently.

There is a 1/16 chance that both will be put in the case (1/4 * 1/4), a 9/16 chance that neither will be put in the case (3/4 * 3/4), and therefore leaving a 6/16 chance that only one of them will be placed in the civil case. (1 - (1/16 + 9/16). This is equivalent to the decimal 0.375.

Draw out a chart of all the 16 possibilities, and circle the ones where the criteria meet. You'll find that there are 6 instances where one of them is put in a general civil case alone.
3 0
3 years ago
Kate has 6 dimes 5 nickels and 4 pennies. How much money does Kate have?
Juliette [100K]

Answer:

89 cents

Step-by-step explanation:

6 dimes are 60 cents

5 nickels are 25 cents

4 pennies are 4 cents

60 + 25 + 4= 89

5 0
3 years ago
Read 2 more answers
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