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coldgirl [10]
2 years ago
15

How long will it take for 750 mg of a sample of radium-225, which has a half-life of about 15 days, to decay to 68 mg?

Mathematics
1 answer:
AleksAgata [21]2 years ago
6 0

Answer:

52 Days

Step-by-step explanation:

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(Look at photo for reference)
nevsk [136]

Answer:

B

Step-by-step explanation:

6% is usually represented by 0.06

Hope this helped :)

6 0
2 years ago
The sum of a number and its reciprocal is 13/6. find the number
iris [78.8K]
Suppose the number is x, its reciprocal is 1/x
x+1/x=13/6
(x^2+1)/x=13/6
6(x^2+1)=13x
6x^2-13x+6=0
(3x-2)(2x-3)=0
x=2/3 or x=3/2
6 0
2 years ago
Numbers that are greater are located farther to the right on the number line.
sp2606 [1]
True such as
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
or
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010
3 0
3 years ago
5-x=3 work out the value of 3x squared
kati45 [8]

Answer:

z0mb13br41n5f1r3k1ng

Step-by-step explanation:

answer is 2

8 0
3 years ago
Jasper has an annual salary of $71000 and his company pays him twice a month. What is the gross income per paycheck that Jasper
Sliva [168]

Answer:

$2,958.33

Step-by-step explanation:

Jasper's annual salary is $71000.

Considering that a year has 12 months and that he gets a paycheck twice each month, the total number of paychecks (P) Jasper gets each year is:

P = 12*2 = 24

To define Jasper's gross income per paycheck (I), simply divide his annual salary by the number of paychecks in a year:

I=\frac{\$ 71,000}{24} \\I=\$ 2,958.33

Jasper's gross income per paycheck is $2,958.33.

3 0
2 years ago
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