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luda_lava [24]
3 years ago
15

H(x) = x - 2 g(x) = 4x - 3 Find (h. g)(x)

Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
3 0
X=1/3

Brainliest? Pls
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(jk)(x)= j (k(x)) = j(9-2x)

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Ashley took $20 out of her savings account each week on Friday how many weeks ago did she have at least $250 in her account
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She had 250 in about 13 weeks

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Molly has biweekly gross earnings of $839.52. By claiming 1 more withholding allowance,molly would have $16 more in her take hom
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3 years ago
20. Based on student records, 25% of the students at a large high school have a
Elenna [48]

Answer:

(E) 0.71

Step-by-step explanation:

Let's call A the event that a student has GPA of 3.5 or better, A' the event that a student has GPA lower than 3.5, B the event that a student is enrolled in at least one AP class and B' the event that a student is not taking any AP class.

So, the  probability that the student has a GPA lower than 3.5 and is not taking any AP  classes is calculated as:

P(A'∩B') = 1 - P(A∪B)

it means that the students that have a GPA lower than 3.5 and are not taking any AP  classes are the complement of the students that have a GPA of 3.5 of better or are enrolled in at least one AP class.

Therefore, P(A∪B) is equal to:

P(A∪B) = P(A) + P(B) - P(A∩B)

Where the probability P(A) that a student has GPA of 3.5 or better is 0.25, the probability P(B) that a student is enrolled in at least one AP class is 0.16 and the probability P(A∩B) that a student has a GPA of 3.5 or better and is enrolled  in at least one AP class is 0.12

So, P(A∪B) is equal to:

P(A∪B) = P(A) + P(B) - P(A∩B)

P(A∪B) = 0.25 + 0.16 - 0.12

P(A∪B) = 0.29

Finally, P(A'∩B') is equal to:

P(A'∩B') = 1 - P(A∪B)

P(A'∩B') = 1 - 0.29

P(A'∩B') = 0.71

5 0
3 years ago
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Find missing side<br> help quick pls
Zigmanuir [339]

Answer:

7m

Step-by-step explanation:

18/6 = 3

24/8 = 3

21/x = 3

21/3 = 7

x = 7

6 0
3 years ago
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