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joja [24]
3 years ago
10

HELP ME PLEASE SOMEBODY

Mathematics
1 answer:
In-s [12.5K]3 years ago
5 0

\huge\boxed{Solution=B,(3,2)}

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you have 87,520 grams of a radioactive kind of lead. How much will be left after 108 minutes if its half-life is 27 minutes
olasank [31]

Answer:

5,470 mg

Step-by-step explanation:

108 minutes is 4 half-lives:

<u> Time</u>    <u>   Lead</u>

<u>  Min.</u> <u>mg Pb</u>

   0        87520

  27        43760

  54        21880

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108           5470

5 0
3 years ago
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In an analysis of a poll of 800 Quebecers, 28% thought that the province of Quebec should separate from Canada. Another poll of
malfutka [58]

Answer:

a)Quebec:224 Texan:90

This was the only one I knew sorry if it wasn't helpful

Step-by-step explanation:

8 0
4 years ago
Which ordered pair is a solution to the system of inequalities? y &lt;3 and y &gt;-x+5 ?
Aleksandr-060686 [28]
It should be A 6,1 because 6 is the x-axis and 1 is the y-axis
7 0
3 years ago
A cube has a volume of 2197 m^3. Its surface is to be painted. Each can of paint covers about 40 m^2. How many cans of paint are
Gelneren [198K]
<em>Volume= a³</em>
<em>a=edge</em>
<em>2197 = a³</em>
<em>=> a=13 m</em>
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<em>\frac{1014}{40} = 25,35 ≈ 26</em>
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8 0
3 years ago
The weight of water is 62 and one half lb per cubic foot. What is the weight of water 8 and one half cubic feet of​ water? How m
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8 0
3 years ago
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