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aalyn [17]
3 years ago
9

Can someone help me with this?

Mathematics
1 answer:
alexandr1967 [171]3 years ago
3 0
N = 4 + x? i think, im not really sure but im pretty sure it is
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Karl participated in a two-day charity walk. His parents donated money for each mile he walked. Karl walked 3 1/4 miles on the f
Dvinal [7]
This is quite simple. We will first add the amount of miles walked together.
3.25+5.5=8.75
Then we will divide 175 by the number of miles walked which in this case is 8.75.
Then we get 20 which is the amount of money that his parents donated for every mile that he walked.
4 0
3 years ago
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
4 years ago
What is a mosque?
igor_vitrenko [27]

C were Muslims pray hope this helps

8 0
3 years ago
Examine the system of equations. −5x + 5y = 40 4x + 3y = 24 What is the solution?
Solnce55 [7]
-5x + 5y = 40             -20x +20y =160               -5x + 5(8) = 40
4x + 3y = 24               20x +15y =120                -5x + 40 = 40
                                           35y = 280                   -5x =0
                                               y = 8                         x = 0

Hope you understood this
3 0
3 years ago
Read 2 more answers
The events committee buys 100 flowers for a school dance the flowers are a combination of carnations an roses. Each carnation co
Natali5045456 [20]

Answer:

We don't know the price of the roses, so there is not enough information to answer.

6 0
3 years ago
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