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lesantik [10]
3 years ago
6

What is f(x)=2(3)^x?

Mathematics
1 answer:
HACTEHA [7]3 years ago
4 0

Answer:

This is an exponential function

Step-by-step explanation:

f(x)=2(3)^x is one example of the exponential function.  Since f(0) = 2(1) = 2, the y-intercept is (0, 2).  The x-axis is the horizontal asymptote.  The graph begins in Quadrant II, passes through (0, 2) and continues to increase, faster and faster, in Quadrant I.  Next time, please be more specific about what you'd like to know.

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A manufacturer claims that its drug test will detect steroid use (that is, show positive for an athlete who uses steroids) 95% o
amid [387]

Answer:

The probability tree is;

                            0.95        (+)

                   (S)

          0.1              0.05        (-)

[  P  ]

          0.9             0.15          (+)                                                        

                  (S_{no})    

                             0.85         (-)        

Step-by-step explanation:

Given the data in the question;

10% of the rugby team members use steroids

so Probability of using steroid; P( use steroid ) = 10% = 0.10

Probability of not using steroid; P( no steroid use ) = 1 - 0.10 = 0.90

Since the test show positive for an athlete who uses steroids, 95% of the time.

Probability of using steroids and testing positive = 95% = 0.95

Probability of using steroids and testing Negative = 1 - 0.95 = 0.05

Also from the test, 15% of all steroid-free individuals also test positive.

so

Probability of not using steroids and testing positive = 15% = 0.15

Probability of not using steroids and testing negative = 1 - 0.15 = 0.85

To set up the probability tree, Let;

(S) represent steroid use

(S_{no}) represent no steroid use

(+) represent test positive

(-) represent test negative

so we have;

                            0.95        (+)

                   (S)

          0.1              0.05        (-)

[  P  ]

          0.9             0.15          (+)                                                        

                  (S_{no})    

                             0.85         (-)        

7 0
3 years ago
PLEASE ANSWER ILL GIEV BRAINLY At a picnic, 2 families share 3 submarine sandwiches. How much of a sandwich will each family get
n200080 [17]

Answer:

Step-by-step explanation:

it's kinda hmm alarming that this doesn't make sense to you.   :/   how much money would 2 people get.. if the split 3 dollars evenly?

$1.50  each right?

so each family would get  1 1/2 sandwiches.. see how it's the same?  :/

8 0
3 years ago
Read 2 more answers
the average of a, b, c, d and e is 14. if the average of b, c, and d is 12, what is average of a and e
Fiesta28 [93]
17, 12•3 is 36 and 70-36 is 34 which / by 2 is 17
4 0
3 years ago
How do I find the surface area?
vagabundo [1.1K]

Alright, buckle in because this will be a bit of a bore to listen to.

First, find the areas of all surfaces that you have the length and width of, which i assume you already have.

Next, use the Pythagorean theorem to find the missing measure of that triangle to find the measure of it and the back. make sure to find ALL of the sides, including the ones on the backside of the figure. Too lazy to do it myself, but at least you know how i'd do it.

3 0
3 years ago
Question 67 and 68 please. Or one or the other.
Umnica [9.8K]

Answer:

question 67-the answer is Rory has eaten 1 1/4 of all the chocolate he has been given.

question 68-answer A-30 degrees

Step-by-step explanation:

question 67:

first Rory ate 1/2 of his chocolate

then, his sister gave him another whole chocolate bar an hour later.

that is 1/2+1=1 1/2--3/2/2=3/4

add 3/4 and 1/2--3/4 1/2~2/4--2/4+3/4=5/4 or 1 1/4

so the answer is 1 1/4

question 68:

if you draw a base to connect the last side of the angle into a triangle, you find that all three sides are equal, making the triangle an equilateral triangle.  An equilateral triangle's angles all equal 30 degrees.

so, the answer is answer A: 30 degrees

6 0
4 years ago
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