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andreyandreev [35.5K]
3 years ago
12

Please help with the question

Mathematics
2 answers:
Nadusha1986 [10]3 years ago
8 0
Both positive and negative so the answer is D./4
Vanyuwa [196]3 years ago
6 0
The correct answer choice is 4


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denis-greek [22]
The answer is 12^6-10=12^4
6 0
3 years ago
At the moment a certain medicine is injected, its concentration in the bloodstream is 120 milligrams per liter.
igomit [66]

Answer:

c(t) = 120 [0.7]^{t}

Step-by-step explanation:

At the moment a certain medicine is injected, its concentration in the bloodstream is 120 milligrams per liter.

From that moment forward, the medicine's concentration drops by 30% each hour.

Therefore, the medicine concentration c(t) in mg/liters after t hours will be modeled as

c(t) = c(0) [1 - \frac{30}{100}]^{t}

⇒ c(t) = c(0) [1 - 0.3]^{t} 

⇒c(t) = 120 [0.7]^{t} . (Answer)

7 0
3 years ago
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What other information is needed to prove the two triangles congruent by SAS?
12345 [234]

Answer:

RS congruent UW

Step-by-step explanation:

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Note, A$S and SAA cannot prove congruency ;(

3 0
3 years ago
A
Ludmilka [50]

Answer:

Step-by-step explanation:

d = r * t

Let the rate of the boat in still water = x

Let the rate of the stream = y

Against the current

24 = (x - y)* 4                Divide both sides by 4

24/4 = x - y

6 = x - y

With the current

24 = (x + y )* 3                Divide both sides by 3

24/3 = (x + y)

8 = x + y

Put the two equations together

x - y = 6

<u>x + y = 8</u>                           Add

2x = 14                              Divide by 2

2x/2 = 14/2

x = 7

x + y = 8

7 + y = 8

y = 8 - 7

y = 1

The boat is going 7 miles per hour

The stream is going 1 mile per hour.

 

4 0
3 years ago
Analyze the graphed function to find the local minimum and
FrozenT [24]
Answer: (06. -8)

I hope this answer is right
3 0
3 years ago
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