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MaRussiya [10]
3 years ago
11

Can anyone help with this please really struggling and trying to figure it out

Mathematics
1 answer:
Art [367]3 years ago
5 0

Answer:

9.6 days

Step-by-step explanation:

You want to find t such that y = (1/2)·y₀. That is, you want to solve

... (1/2)y₀ = y₀·e^(-0.072t)

Dividing by y₀, you have

... 1/2 = e^(-0.072t)

and taking the natural log gives ..

... ln(0.5) = -0.072t

... ln(0.5)/-0.072 = t ≈ 9.627 . . . . divide by the coefficient of t

The half-life is approximately 9.6 days.

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topjm [15]
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3 years ago
How many times can you put 40÷746 in
prisoha [69]
Well 746÷40=18.65 so would that be 18?
7 0
3 years ago
Read 2 more answers
-4y>2x+4 What is the slope of this
vovikov84 [41]
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6 0
3 years ago
Adm,Ming,and Clinton sold sandwiches in the ratio 4:7:3 to raise money for their scout troop.Ming sold 91 sandwiches. How may sa
bonufazy [111]
The ratio in which Adm, Ming and Clinton sold sandwiches = 4:7:3
Number of sandwiches sold by Ming = 91
Let us assume the common ratio to be = x
Then
7x = 91
x = 91/7
  = 13
Then
The number of sandwiches sold by Adm = 4 * 13
                                                                   = 52
The number of sandwiches sold by Clinton = 3 * 13
                                                                      = 39
So
The total number of sandwiches
 sold by Adm, Ming and Clinton = 52 + 91 + 39
                                                  = 182.
So a total of 182 sandwiches were sold by Adm, Ming and Clinton.
 
7 0
4 years ago
Need help sorry to bother please help I don't get it.
poizon [28]

so it says 6 times as old as June

so that would be 6x


then it said the sum so that's addition is no less than so that's subtraction


so it would be


X because we June's father age

so x times 6 > 77



3 0
4 years ago
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