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dimulka [17.4K]
2 years ago
10

Solve :3(2x+1)^-1 + 5x=-1​

Mathematics
1 answer:
Finger [1]2 years ago
8 0

hope this is ans . Brother

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40 degrees can I get crown?
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8. At the beginning of the semester, a professor tells students that if they study for the tests, then there is a 55% chance the
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Answer:

.8

Step-by-step explanation:

S= studies for

B= score of b or higher

we want P(S|B)

Using Bayes' theorem we can solve for the probability

S|B=\frac{B|S*S}{B|S*S+B|S'*S'}=\frac{.55*.6}{.55*.6+.2*.4}=0.80487804878

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Determine the scale factor for this scale diagram. Is it an enlargement or reduction?
kupik [55]

Answer:

d. C. 4; enlargement

Step-by-step explanation:

Scale factor = Ratio of one of the side length of the scale diagram to the corresponding side length of the original diagram

Side length of scale diagram = 8 units

Corresponding side length of original diagram = 2 units

Thus:

Scale factor = 8/2 = 4

Scale factor = 4

Since it's an while number, it implies that it is an enlargement.

4 0
2 years ago
If 2^x+4 = 2^3x-1, what is the value of x?
Ronch [10]

Answer:

     x = 5/2

Step-by-step explanation:

2^x+4 = 2^3x-1

x + 4 = 3x - 1

3x - x  = 4 + 1

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3 0
3 years ago
If f(x)=5x-13, then f^-1(x)=
svet-max [94.6K]

Answer:

Hello,

If f(x)=5x-13, then f^-1(x)= \frac{1}{5x-13}

have good day


Step-by-step explanation:


8 0
3 years ago
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