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Nimfa-mama [501]
3 years ago
12

(02.05)

Mathematics
1 answer:
kenny6666 [7]3 years ago
3 0

Answer:

......

C............

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A dose of a new pharmaceutical drug is decaying according to the half-life model f(t) = Ne-0.2174, where N is the dose
Rudiy27

Answer:

  14.7

Step-by-step explanation:

Perhaps your equation is ...

  f(t) = N·e^(-0.2174t)

We want f(6) = 4, so ...

  4 = N·e^(-0.2174·6) = N·e^-1.3044 ≈ 0.2713N

  N = 4/0.2713 = 14.7 . . . . milligrams

The dose amount was about 14.7 mg.

6 0
3 years ago
Deductive reasoning is reasoning based on:
Ira Lisetskai [31]
Accepted properties, laws, and definitions
3 0
3 years ago
8.EE.8
IceJOKER [234]

For the first system, we have

1 - 3x + 3y = -8

or

-3x + 3y = -9

The second equation, however, tells us

-3x + 3y = 13

but -9 ≠ 13, so this system has no solution.

For the second system, notice that multiplying both sides of

4x - 8y = 6

by 1/2 gives

2x - 4y = 3

which is identical to the other equation in the system. Then all point (x, y) that lie on this line are solutions to the system, meaning there are infinitely many solutions.

4 0
3 years ago
Find the area of the figure?
Alex777 [14]

Answer:

14 m

Step-by-step explanation:

For the triangle, you use the formula A=1/2bh. So in this case it's 3×4×1/2. 3×4 is 12, times 1/2 is 6 m. Now for the rectangle it's just 2×4 which is 8. 8+6 is 14. Hope this helps! If you are still confused please comment!

6 0
3 years ago
Which number could be placed in the blank to make the equation true? 6×5/6= ×1/6
yaroslaw [1]
30 is the answer
6*5\6 is 5
And 30 is needed to be multiplied y one to get five
7 0
3 years ago
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