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Andrej [43]
2 years ago
10

One batch of trail mix can be made by mixing 3 cups of granola with 0.75 cup of raisins. Hamid needs to make a bigger batch of t

rail mix. He makes a graph to be sure the mixture will be correct. On a coordinate plane, the point (3, 0.75) is plotted. How can he use the graph to find an equivalent ratio?
Mathematics
1 answer:
Alika [10]2 years ago
7 0

Answer:

Im pretty sure its C

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The probability that a random smoker will develop a sever lung condition during his or her lifetime is 0.3. we will choose a ran
postnew [5]
The mean is 36 and the standard deviation is 5.02.

The mean is given by
μ = np = 120*0.3 = 36.

The standard deviation is given by
σ = √(n*p*(1-p)) = √(120*0.3*0.7) = √25.2 = 5.02.
8 0
2 years ago
What are the domain and range of f (x) = (one-fifth) Superscript x?
natka813 [3]

Answer:

The domain of the function is all real numbers (-\infty,\infty) and the range is all positive real numbers (0,\infty)

Step-by-step explanation:

We have the following function f(x)=(\frac{1}{5} )^x and we want to find the domain and the range.

The function we have is an example of an exponential function f(x)=b^x with b > 0 and b ≠ 1. This types of functions in general have the following properties:

  • It is always greater than 0, and never crosses the x-axis
  • Its domain is the set of real numbers
  • Its Range is the Positive Real Numbers (0,\infty)

The domain of a function is the specific set of values that the independent variable in a function can take on.

When determining domain it is more convenient to determine where the function would not exist.

This function has no undefined points nor domain constraints. Therefore the domain is (-\infty,\infty).

The range is the resulting values that the dependent variable can have as x varies throughout the domain. Therefore the range is (0,\infty).

We can check our results with the graph of the function.

7 0
2 years ago
Read 2 more answers
Jason is decorating his house and decides to paint one of the bedrooms blue. One tin of 500mL blue paint costs $11.50. To finish
adell [148]
1.You have that:
<span> 
 - One tin of 500 mL blue paint costs $11.50.
 -Jason needs </span><span>4 L of blue paint.
 
 2. First, you must convert 4 L to mL, as below:
 
 1 L----1000 mL
 4 L----x
 
 x=4x1000/1
 x=4000 mL
 
 3. If 500 mL costs $11.50, h</span><span>ow much will it cost 4000 mL?
</span><span> 
 500 mL-----$11.50
 4000 mL---x
 
 x=(4000 mL)($11.50)/500 mL
 x=$92.00
</span><span> 
 How much will it cost Jason to paint this bedroom?
 
 The answer is: $92.00</span><span> 
</span>
8 0
2 years ago
Which of the following is the best definition of the domain
GalinKa [24]

Answer:

Step-by-step explanation:

8 0
2 years ago
Zucchini weights are approximately normally distributed with mean 08 pound and standard deviation 0.25 pound. Which of the follo
marissa [1.9K]

Answer:

The correct option is  A

Step-by-step explanation:

From the question we are told that

   The  mean is  \mu  =  0.8 \ pounds

    The standard deviation is  \sigma =  0.25  \  pounds

Generally the the probability that a  randomly selected zucchini will weigh between 0 55 pound and 13 pounds is mathematically represented as

       P(0.55 <  X  <  1.3)  =  P(\frac{0.55 - 0.8}{ 0.25} <  \frac{X -  \mu}{\sigma }  <  \frac{1.3 - 0.8}{0.25})

=>    P(0.55 <  X  <  1.3)  =  P( -1 <  Z  <  2 )

So looking the option of normal curves given in the question we see that it is option A that matches our interval  

8 0
2 years ago
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