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AlexFokin [52]
3 years ago
15

How much time does it take the car to complete one revolution around the track?

Mathematics
1 answer:
posledela3 years ago
6 0
The time it takes for the car to complete one revolution around the track is calculated by dividing the circumference of the circular track by the speed of the car. 

This may mathematically be expressed as,
                                   time = circumference / speed
You might be interested in
Eydin has two strips if stickers,A and B, of the same length.The length of each sticker is 1.2 cm. The stickers in each strip fo
deff fn [24]

Answer:

Each strip is 117.6 cm

Step-by-step explanation:

I created a proportion of hearts to others.  On strip A there is 1 heart to 2 others and B there is 1 heart to 3 others.  I added them and got a proportion of 2 hearts to 5 others for both. With a total of 56 hearts, I set up a proportion to determine the total stickers

2/5=56/x

When I cross multiply, I get 2x=280 and x=140

so for the 56 total hearts, I have 140 others.  I added those to get the total stickers and got 196.  I multiplied that by 1.2cm and got 235.2 cm for both. Since both are the same size, just divide that by 2 and get 117.6 cm each.

4 0
3 years ago
Solve 5x2 = −30x − 65
Crank
I hope this helps you




5x^2+30x+65=0




5 (x^2+6x+13)=0



x^2+6x+13=0



a=1 b=6 c=13



disctirminant=b^-4ac



disctirminant=6^2-4.1.13



disctirminant=36-52



disctirminant= -16


x1= -6+square root of -16/2.1



x1= -6+4i/2=2i-3



x2= -6- square root of -16/2.1



x2= -6-4i/2= -3-2i
6 0
3 years ago
What is the range of the function f(x)= square root of x-8+6
Shtirlitz [24]

Answer:

  • The range of the given function is  [6, + ∞)

Step-by-step explanation:

It is assumed the function is:

  • f(x)=\sqrt{x-8} +6

We know the square root is non-negative, so:

  • x - 8 ≥ 0  therefore the function gets values

  • f(x) ≥ 0 + 6
  • f(x) ≥ 6

We can show this as:

  • f(x) ∈ [6, + ∞)
8 0
2 years ago
Given the graph of f(x) above, find the following and write your answers using interval notation (Separate multiple intervals wi
aliina [53]

The following interval notation  are as follows;

(a) Domain:(-2,∞)

(b) Range: (-4,4)

(c) Interval(s) on which f(x) is increasing: (0,4)

(d) Interval(s) on which f(x) is decreasing: (2,6)

(e) Interval(s) on which f(x) is constant:(2, ∞)

(f) Local maxima: (0,4)

(g) Local minima:( 0,-6)

<h3>What is function?</h3>

The function is a special relationship between inputs (i.e. domain) and their outputs (known as code domain) where each input has exactly one output and the output can be traced back to that input.

There are many types of functions in mathematics. Some important types are:

  • Injection function or One-to-one function: If each domain has a mapping between two sets.
  • Surject functions or Onto function: When more than one element is connected from domain to domain.
  • Polynomial function: A function consisting of polynomials.
  • Inverse Functions: A function that can invert another function.

These were some examples of functions. It should be noted that there are several other functions such as function, algebraic functions, etc.

To learn more about function, refer;

brainly.com/question/5975436

#SPJ4

8 0
1 year ago
Evaluate m+n for m=5 and n=10
exis [7]

Answer:

15

Step-by-step explanation:

5 + 10 = 15

4 0
3 years ago
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