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Alex787 [66]
3 years ago
11

Your parents took your family out to dinner. the parents wanted to give the waiter a 15% tip. if the total amount of the dinner

was $42,00 what should be paid to the waiter as a tip?
Mathematics
2 answers:
kumpel [21]3 years ago
8 0

Answer:

it is a 630 tip or if 42.00 it is 6.30

Step-by-step explanation:

if you take 4200 and multiply by 0.15 you get the awnser

DerKrebs [107]3 years ago
7 0

Answer:

$6.30

Step-by-step explanation:

Your parents took your family out to dinner. the parents wanted to give the waiter a 15% tip. if the total amount of the dinner was $42,00 what should be paid to the waiter as a tip?

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6.11 Assume that an r of .80 describes the relationship between daily food intake, measured in ounces, and body weight, measured
Sloan [31]

Answer:

The coefficient of correlation does not change.

Step-by-step explanation:

We are given the following in the question:

The daily intake food is measured in ounces.

The body weight is measured in pounds.

Correlation between food intake and body weight = 0.80

Properties of correlation:

  • Correlation is a technique that help us to find or define a relationship between two variables.
  • It is a measure of linear relationship between two quantities.
  • The correlation between two variables is not effected by the units of the variable.
  • Even if the variable of the explanatory variable or the response variable changes, the correlation does not not change and remains same.

Conclusion:

A shift in units from ounces to grams and from pounds to kilogram does not change the value of coefficient of correlation.

8 0
3 years ago
209.106 in expanded form
Juliette [100K]
It would be 200+9+0.1+0.006.
4 0
3 years ago
Read 2 more answers
For the system below identify the parameters as growth rates, carrying capacities, and measure of interactions between species.
babunello [35]

Answer:

  • 2 and 3 are the the growth rates parameter for x and y respectively
  • 16 and 20 are the carrying capacities for x and y respectively
  • 2 and 7 measures the benefit to x and y of the interaction of the two species.

The species compete each other.

Step-by-step explanation:

When we have a population model for two species as we have here, the differential equations looks like this:

\frac{dx}{dt}=a*x+b\frac{x^{2}}{N}+c*xy

\frac{dy}{dt}=d*x+e\frac{y^{2}}{M}+f*xy)

Here:

a and d are the the growth rates parameter for x and y respectively

N and M are the carrying capacities for x and y respectively

c and f measures the benefit to x and y of the interaction of the two species.

So in our case we have:

\frac{dx}{dt}=2*x+\frac{x^{2}}{16}+2*xy

\frac{dy}{dt}=3*x-\frac{x^{2}}{20}-7*xy

Therefore:

  • 2 and 3 are the the growth rates parameter for x and y respectively
  • 16 and 20 are the carrying capacities for x and y respectively
  • 2 and 7 measures the benefit to x and y of the interaction of the two species.

The term xy determine the if the species are cooperating of competing, so in this case have negative xy term in the second equation, it means the presence of either species decreases the rate of change of the other, so the species compete each other.

I hope it helps you!

3 0
3 years ago
William fills 1/3 of a water bottle in 5/9 of a minute. How many can be filled in a minute
Snezhnost [94]

For this case we can propose a rule of three:

\frac {1} {3}bottle ------------> \frac {5} {9}minutes

x --------------------------------------> 1 minute

Where the variable "x" represents the number of bottles that can be filled in 1 minute.

x = \frac {1 * \frac {1} {3}} {\frac {5} {9}}\\x = \frac {\frac {1} {3}} {\frac {5} {9}}\\x = \frac {9 * 1} {3 * 5}\\x = \frac {9} {15}\\x = \frac {3} {5}

Thus, William can fill \frac {3} {5} of a water bottle in 1 minute.

Answer:

William can fill \frac {3} {5} of a water bottle in 1 minute.

3 0
3 years ago
The range of typical total prices for an American tourist traveling on the European continent is $20.70 to $25.00. What is the a
Nuetrik [128]
For this case what we should do is find an average value of the total prices for a trip to europe
 We look for the average of the prices by means of the following expression:
 P = (20.70 + 25) / (2)
 P = 22.8 $
 Answer: 
 the average price is $ 22.8
8 0
3 years ago
Read 2 more answers
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