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jonny [76]
3 years ago
8

Half-life formula: A = A0(0.5) t/h

Mathematics
2 answers:
Dahasolnce [82]3 years ago
8 0

Answer: the answer is 4

Step-by-step explanation:

when looking for the half life, it says to look for when the initial amount is half of what it used to be, because it is 100, 100 divided by 2 is 50, and when looking at the hours (x value) for 50 it says 4.

Temka [501]3 years ago
3 0

Answer:

4 hours

Step-by-step explanation:

on edge 2020

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3x-5+6y-9+10x
telo118 [61]
Variables- x,y
terms- 4
coefficient-3x, 6y, 10x
constant- 5, 9
like terms- 3x , 10x
4 0
2 years ago
Read 2 more answers
Solve the value for v.
NemiM [27]

Answer:

Hey mate !!

Your answer is so simple :)

<h2>V= 9°</h2>

Go through the explanation to understand.

Step-by-step explanation:

In the given question,

We see that 105° and it's adjacent angle (i.e. 8v+3° ) forms a supplementary angle. Which means the sum of 8v+3°+105° is 180°

<h3>Therefore,</h3>

According to the question

105 + 8v + 3 = 180

=  > 105 + 8v = 180 - 3

=  > 8v =  177 - 105

=  > 8v = 72

=  > v =  \frac{72}{8}

=  > v = 9

Answer the value of v is 9° .

Hope it helps you!!

#IndianMurga ツ

3 0
2 years ago
What is the area of the figure below?
Mashutka [201]
The answer to your question is 67
4 0
2 years ago
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The temperature was –3o C last night. It is now –4o C. What was the change in temperature?
Yuki888 [10]

Answer: -1

Step-by-step explanation: So if the Temperature last night was at -3o C and now it is -4o C it went down by 1 but dont forget the negative symbol.-1

you can think like this: -3-4=-1

7 0
3 years ago
On a workday the average decibel level of a busy street is 69 db, with 139 cars passing a given point every minute. if the numbe
Vlad1618 [11]
Decibel is directly proportional to number of cars passing the point. That is,

69 db ----- 139 cars
x   db ----- 17 cars

x = number of cars passing the point per minute on a weekend.

Then,
x= (69*17)/139 = 8.43 db ≈ 8 db
8 0
3 years ago
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