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bazaltina [42]
3 years ago
7

Find the output, g, when the input, r, is 3. g = -5r+13 g=_____

Mathematics
1 answer:
bija089 [108]3 years ago
5 0

Answer:

g = -2

Step-by-step explanation:

g = -5r + 13

r = 3

You substitute three for r in the equation.

--------------------------------------------------------------

g = -5(3) + 13

--------------------------------------------------------------

Distribute -5 to 3

--------------------------------------------------------------

g = -15 + 13

--------------------------------------------------------------

Solve

-------------------------------------------------------------

g = -15 + 13

-15 + 13 = -2

g = -2

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The following table shows the probability distribution for a discrete random variable.
mezya [45]

Answer: C. 30.47

Step-by-step explanation:

The mean of discrete random variable i.e. the expected value of X is given by :-

E(X)=\sum^{i=n}_{i=1} X_iP(X_i)

Now by using the given table, the expected value of X is given by :-

\\\\\Rightarrow\ E(X)=23\cdot (0.16)+25\cdot(0.09)+26\cdot(0.18)+31\cdot(0.12)+34\cdot(0.24)+38\cdot(0.21)\\\\\Rightarrow\ E(X)=30.47

Hence, the  mean of discrete random variable= 30.47

6 0
3 years ago
A 12 ounce can of coke costs 1.00 when purchased from a school vending machine. A 16 ounce bottle of Pepsi from the gas station
borishaifa [10]
Simply put,
If you find a common denominator between 12 and 16, and multiply them to fit,
You should end up with a proportion giving you the correct answer. Whichever is lower is the better deal

Ex: a box of cereal from target costs $2
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Which is cheaper for the money.

Assuming they are the same size, all you have to do is take the dollar amount from the one from target and multiply it by two, giving you the cost of two boxes.

$4<$5
8 0
3 years ago
Read 2 more answers
Which is the smallest number? 2.07,2.7,2.4,2,2.04
Natasha2012 [34]
I believe it is 2 because, 0.4 is added on to 2. 2.7 is basically 2.70 making it 0.70 bigger than 2. I hope this helped
6 0
3 years ago
I 4.027 less than, greater than, or equal to 4.0092?​
mr Goodwill [35]

Answer:

the answer is 4.027 and it is greater because 4.027 is 4.0270 and so it is 4.027

Step-by-step explanation:

7 0
2 years ago
What is the GCF of x5 and x2
Rufina [12.5K]

Answer:

x^2

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The greatest common factor is x*x or x^2

7 0
2 years ago
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