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NARA [144]
2 years ago
15

2. Rainey graphed a function with exponential growth and an initial value of 15. Which of the following could represent the equa

tion Rainey graphed?
Mathematics
1 answer:
Mars2501 [29]2 years ago
6 0

Exponential equation are functions defined by y =ab^x

The equation that could represent Rainey graph must take the form y =15b^x

<h3>How to determine the equation</h3>

An exponential equation is represented as:

y =ab^x

Where:

  • a represents the initial value
  • b represents the rate

The initial value (a) is 15.

So, the equation becomes

y =15b^x

The graph is not given;

So, the equation cannot be determined.

Assume that the rate is 2.

Then the function would be: y =15(2)^x

Read more about exponential functions at:

brainly.com/question/11464095

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PLEASE HELP ASAPPP<br> which systems of equations represents the matrix shown below??
natka813 [3]

Answer:

The answer to your question is the last choice.

Step-by-step explanation:

The first column represents the x

The second column represents the y

The third column represents the z

The last column represents the independent term

The first line represents the first equation

The second line represents the second equation

The third line represents the last equation

From the previous information, we conclude that the answer is the last choice.

5 0
3 years ago
Read 2 more answers
(7/8) (x) = -2/3<br><br> What is the value of x?
Gwar [14]
Remember
a/b time b/a=1

find 1x
(7/8)x=-2/3

multiply both sides by 8/7 to clea fraction
1x=-16/21
4 0
3 years ago
Triangle A is the pre-image, and triangle B is the image. Find the scale factor for this dilation if the center of dilation is a
BigorU [14]

Answer:

The scale factor is 3

Step-by-step explanation:

6/2=3 (one of the triangles sides)

8 0
3 years ago
Douglas will paint two walls in his living room. One wall is 15 feet long, and the other wall is 132 feet long. Each
Stells [14]

Answer:

1470 square feet

Step-by-step explanation:

15x10 =150

132×10=1320

total =1479

8 0
3 years ago
Suppose customers in a certain queue are served one at a time sequentially, that the time for each individual customer is Expone
alexandr402 [8]

Answer:

The shape and rate parameters are \frac{1}{12} and 3.

Step-by-step explanation:

Let <em>X</em> = service time for each individual.

The average service time is, <em>β</em> = 12 minutes.

The random variable follows an Exponential distribution with parameter, \lambda=\frac{1}{\beta}=\frac{1}{12}.

The service time for the next 3 customers is,

<em>Z</em> = <em>X</em>₁ + <em>X</em>₂ + <em>X</em>₃

All the <em>X</em>_{i}'s are independent Exponential random variable.

The sum of independent Exponential random variables is known as a Gamma or Erlang random variable.

The random variable <em>Z</em> follows a Gamma distribution with parameters (<em>α</em>, <em>n</em>).

The parameters are:

\alpha =\lambda=\frac{1}{12}\\n=3

Thus, the shape and rate parameters are \frac{1}{12} and 3.

5 0
3 years ago
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