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Ipatiy [6.2K]
2 years ago
13

Element X decays radioactively with a half life of 15 minutes. If there are 340 grams of Element X, how long, to the nearest ten

th of a minute, would it take the element to decay to 6 grams?
Mathematics
1 answer:
NikAS [45]2 years ago
6 0

Answer: 57 min

i used a calculator.

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Which of the following functions gives the length of the base edge, aly, of a right square pyramid that is 8 inches tall as a fu
Salsk061 [2.6K]
I think it is a not to a sure
4 0
3 years ago
Cylinder capacity 4.25 L, cylinder diameter of 13 what is the height of the cylinder?
Musya8 [376]

Answer:

Step-by-step explanation:

Capacity of cylinder =4.25L

So volume of the cylinder=4250

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3.14×6.5×6.5×h=4250

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h=4250/132.665

h=32.035

6 0
3 years ago
The variables X, Y, and Z represent polynomials where X = a, Y = 3a – 5, and Z = a^2 + 2. What is X^2Y – Z in simplest form?
klasskru [66]
X=a \\
Y=3a-5 \\
Z=a^2+2 \\ \\
X^2Y-Z=a^2(3a-5)-(a^2+2)=3a^3-5a^2-a^2-2=3a^3-6a^2-2

The answer is b.
4 0
4 years ago
Read 2 more answers
Which set of ordered pairs is on the graph of the function below? y = 2x
oksian1 [2.3K]

Answer:

I hope I'm right but not totally sure (0,0) and (1,2)

Step-by-step explanation:

Graph the line using the slope and y-intercept, or two points.

Slope: 2

y-intercept: 0

x  y

0 0                       <<<<< That's supposed to be a chart

1   2

7 0
3 years ago
Q7 Find the missing angle x
Kryger [21]

Answer:

Step-by-step explanation:

Thales theorem tells us that B is a 90

and therefore from W to o (center) is 45°

we know the total of the arc VoW is 98

180= 8x +1  + 45 +98

36 = 8x

4.5 = x

x = 4.5

7 0
3 years ago
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