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Shtirlitz [24]
2 years ago
6

Someone pls help me out

Mathematics
1 answer:
Ludmilka [50]2 years ago
7 0
The cookies because if they have 100°C, after 30 seconds it loses half it‘s heat and now it only has 50°C.
After the next 30 seconds it loses again half the heat so it‘s 25°C.

You can theoretically continue this forever. It‘s exponential decay.
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Solve algebraically for the positive value of x, x _ 0, and check: 2x+5/7=1/x
kati45 [8]

<span>The solution would be like this for this specific problem:

</span>

(2x+5)/7 = 1/x
(2x+5) x = 7
2x² + 5x - 7 = 0
( x -1) ( 2x + 7) = 0
x = 1 ( Omit x = -7/2)

<span>I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.</span>

6 0
2 years ago
If you can run a race of 825m in 137seconds in a straight line west. what is your average velocity for the race?
andreev551 [17]

Answer:

6.02 m/s

Step-by-step explanation:

distance= 825m

time= 137 seconds

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average velocity= 825 m/ 137 s

average velocity= 6.02 m/s

7 0
3 years ago
Are these congruent by SSS, SAS, AAS, ASA?
liraira [26]

Answer:

SAS (Side Angle Side)

Step-by-step explanation:

It is SAS because both triangles are congruent due to 2 congruent sides and one congruent angle, thus being SAS.

6 0
3 years ago
Find the length of side a a 8,b 4,c. radical 136 , or d 64
Evgen [1.6K]

Answer:

A. 8

Step-by-step explanation:

I took the A P  E X Test  :)

7 0
2 years ago
Value of s is a solution to this equation
Alja [10]
The answer is x=7
Most likely there is a careless mistake, redo the problem to get a correct answer.
3 0
3 years ago
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