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tekilochka [14]
3 years ago
13

Five athlete are entered into a competition. Four of the athlete have had their turns. Their scores are 9.8 seconds, 9.75 second

s and 9.81 seconds to run 200 m distance. What score must the last athlete get in order to win the competition?
Mathematics
1 answer:
Naddika [18.5K]3 years ago
3 0
What is the fourth persons time and, with these numbers it should be anything lower than 9.75.
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katrin [286]

Given the slope m and a point (a,b) of a line, its equation is given by

y-b=m(x-a)

In your case, a = -4, b = 7 and m=1/2, so we have

y-7=\dfrac{1}{2}(x+4) \iff y=\dfrac{x}{2}+2+7\iff y=\dfrac{x}{2}+9

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3 years ago
Find the area of this circle. Use 3.14 for pie?
pshichka [43]

Answer:

3.141592658

Step-by-step explanation:

3 0
3 years ago
I WILL GIVE BRAINLIEST
Tom [10]

Step-by-step explanation:

9/8 × (-7/3) =

9 × -7 = -63

8 × 3 = 24

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3 years ago
What is the Symmetric property
alex41 [277]

Answer:

The Symmetric Property states that for all real numbers x and y , if x=y , then y=x . Transitive Property. The Transitive Property states that for all real numbers x ,y, and z, if x=y and y=z , then x=z .

Step-by-step explanation: you couldnt have looked it up on ggle?...haha -_-'

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3 years ago
After a special medicine is introduced into a petri dish full of bacteria, the number of bacteria remaining in the dish decrease
boyakko [2]

After a special medicine is introduced into a petri dish full of bacteria, Every second, the number of harmful bacteria remaining in the body decays by a factor of 0.97

<h3>What is bacteria?</h3>

Generally, a kind of unicellular bacteria that has characteristics with many disease-causing organisms, such as having a cell wall but lacking organelles and an organized nucleus.

In conclusion, When a certain medication is put into a petri dish that is full of bacteria, the amount of pathogenic bacteria that are still present in the body decreases by a factor of 0.97 every single second.

Read more about bacteria

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