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MAXImum [283]
2 years ago
14

Consider the functions below. f(x) = x² - 6x - 27 g(x) = x - 9

Mathematics
1 answer:
aleksklad [387]2 years ago
3 0
Correct answer: 1) (f/g)(x)

Solution: f(x)=x^2-6x-27=(x+3)(x-9)

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Consider the function on the graph PLEASE HELP ME!!!!!!!!!!
AleksAgata [21]

Answer:-10 to positive 10

Step-by-step explanation:

i do not know if im right but i tried.. sorry

8 0
2 years ago
Solve for x.<br><br><br><br> 1/2x = -9<br><br> x = -18<br> x = -4 <br> x = 18
pishuonlain [190]

Answer:

x = -18

Step-by-step explanation:

1/2x = -9

(21)1/2x = -9(2/1)

x = -9/1(2/1)

x = -18/1

x = -18

3 0
3 years ago
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PLEASE HELP! A) 2.9 B) 9.2 C) 3.3 D) 5
Eva8 [605]

Answer:

9.2 =x

Step-by-step explanation:

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tan theta = opp/ adj

tan 57 = x/6

6 tan 57 = x

9.239189783 = x

9.2 =x

5 0
4 years ago
Read 2 more answers
A company manufactures tires at a cost of $40 each. The following are probabilities of defective tires in a given production run
asambeis [7]

Answer:

The expected cost of the company for a 3000 tires batch is $120255

Step-by-step explanation:

Recall that given a probability of defective tires p, we can model the number of defective tires as a binomial random variable. For 3000 tires, if we have a probability p of having a defective tire, the expected number of defective tires  is 3000p.

Let X be the number of defective tires. We can use the total expectation theorem, as follows: if there are A_1,\dots, A_n events that partition the whole sample space, and we have a random variable X over the sample space, then

E(X) = p(A_1)E(X|A_1) + \dots + p(A_n)E(X|A_n).

So, in this case, we have the following

E(X) = P(p=0\%)E(X|p=0\%)+P(p=1\%)E(X|p=1\%)+P(p=2\%)E(X|p=2\%)+P(p=3\%)E(X|p=3\%) = 0.1\cdot 3000\cdot 0 + 0.3\cdot 3000\cdot 0.01+ 0.4\cdot 3000\cdot 0.02+ 0.2\cdot 3000\cdot 0.03 = 51.

Let Y be the number non defective tires. then X+Y = 3000. So Y = 3000-X. Then E(Y) = 3000-E(X). Then, E(Y) = 2949.

Finally, note that the cost of the batch would be 40Y+45X. Then

E(40Y+45X) = 40E(Y)+45E(X) = 40\cdot 2949+45\cdot 51=120255

3 0
4 years ago
kelly ate 7 apples. this represents 50% of the bag of apples. how many apples were originally in the bag
Hitman42 [59]
7 is the half of 14, so 14 apples
4 0
3 years ago
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