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Sauron [17]
4 years ago
10

NEED HELP ASAP PLEASE!!

Mathematics
1 answer:
inna [77]4 years ago
7 0
The correct answer should be C
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I need Answer Immediately!!!!!!
m_a_m_a [10]
It will be 12y mmmmmmmmmmmmmmmdmdkdjnejddjhsjssj
6 0
3 years ago
Which expression is equivalent to 4/9(2n-3)
Andreyy89

Step-by-step explanation:

your answer is 8.9 and minus 11 by 3 means your answer is A

5 0
3 years ago
Why is it that a unit rate has a denominator of one?
slava [35]
A rate that has a denominator of 1 unit is called as Unit rate.
3 0
3 years ago
What is the percent rate??
dezoksy [38]

Using an exponential function, it is found that the decay rate is of 6.24% a year.

<h3>What is an exponential function?</h3>

A decaying exponential function is modeled by:

A(t) = A(0)(1 - r)^t

In which:

  • A(0) is the initial value.
  • r is the decay rate, as a decimal.

The half-life is of 10.75 years, hence A(10.75) = 0.5A(0) and this is used to find the decay rate r.

A(t) = A(0)(1 - r)^t

0.5A(0) = A(0)(1 - r)^{10.75}

(1 - r)^{10.75} = 0.5

\sqrt[10.75]{(1 - r)^{10.75}} = \sqrt[10.75]{0.5}

1 - r = (0.5)^{\frac{1}{10.75}}

1 - r = 0.9376.

r = 1 - 0.9376.

r = 0.0624.

The decay rate is of 6.24% a year.

More can be learned about exponential functions at brainly.com/question/25537936

#SPJ1

6 0
2 years ago
WILL GIVE 100 POINTS AFTER YOU ANSWER
irina1246 [14]

Mean of a data = Sum of all observations ÷ Total number of observations

Mean of this data will be :

Sum of all observarions = 17 + 13 + 18 + 20 + 17 + 15 + 12 = 112

Total number of observations = 7

Mean = 112 ÷ 7

Mean = 16

Therefore the mean of this data set <em>=</em><em> </em><em>1</em><em>6</em><em> </em>

4 0
3 years ago
Read 2 more answers
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