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frutty [35]
3 years ago
9

Going at the same speed, the car traveled 120 km. Write down the formula for the dependence of time, t, from the speed, v. Find

t(60),t(45),t(50).
Mathematics
1 answer:
dolphi86 [110]3 years ago
7 0
For example, a car was traveling at 60 miles per hour (mph) and hit another car, but there was hardly a dent. The reason is that the second car was traveling in the same direction at 59 mph, so the car was travelling only 1 mph with respect to the second car when the collision Speed<span> is how fast an object is going with respect to an object. </span>Velocity<span> is a measure of the speed in a given direction. You can say the top speed of an airplane is 300 kilometers per hour (kph). But its velocity is 300 kph in a northeast direction. We distinguish between speed and velocity because if you add the speeds of multiple objects, their directions are important. For example, the velocity of an airplane with respect to the ground would vary according to the direction of the wind.</span>
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A restaurant bill before tax is $15.50. How much is a 15% tip for this bill? How much money should be left for the whole bill?
ahrayia [7]

Answer:

The tip would be approximately $2.33.  The total amount of money that should be left on the bill is $17.73.

Step-by-step explanation:

To determine the tip: 15.50 times 0.15 = 2.325 ≈ 2.33

To determine the total: 15.50 plus 2.33

4 0
3 years ago
In using the multiple regression method, we can model the effects of the different levels of a qualitative independent variable
attashe74 [19]

For the levels of qualitative, the variable called dummy variables is used in the multiple regression method.

According to the statement

we have given that the by which method we use the different levels of a qualitative independent variable and we have to explain about it.

So, For his purpose, we know that the

A dummy variable is a variable that takes values of 0 and 1, where the values indicate the presence or absence of something.

And in the multiple regression method there are a lot of different variables which are used for a qualitative and for this a variable is used which is called the dummy variables.

By this variables we show the analysis between the given data. it gives the output in the 0 and 1 numbers.

So, For the levels of qualitative, the variable called dummy variables is used in the multiple regression method.

Learn more about the Dummy variables here

brainly.com/question/17177646

#SPJ4

3 0
1 year ago
Help me with math please
slava [35]
Both of these lines share the relationship together of being parallel. 
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3 years ago
6. The California Tiger Salamander is an endangered species, which decreases at the rate of 4.6% per year in a habitat that curr
kicyunya [14]

\rule{2000pt}{1000000pt}

7 0
2 years ago
What numbers go in the blanks to make the equation true?
nirvana33 [79]
UMMMMMMMMMMMMMMMMMMMMMMMMM
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Read 2 more answers
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