1 year ago

The half-life of Radium-224 is

1 answer:

8 0

Answer:

10.98 days is 10.98/3.66 = 3 half life periods and half of the mass is lost at each half life. You can do this in your head. I have!!

Step-by-step explanation:

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Free_Kalibri [48]

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Step-by-step explanation:

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2 years ago

You need about 1 1/2 hours to set up a computer workstation. At this rate, how many hours should it take you to set up 7 of thes

Serhud [2]

Answer:

You would need 10 1/2 hours to set up 7 workstations.

Step-by-step explanation:

Multiply the amount of workstations by the rate at which they are set up.

$7 * 1.5 = 10.5$

6 0

3 years ago

Solve the system by substitution.<br> y = -7x. y = -5x + 10

ohaa [14]

Answer: (-5,35)

Step-by-step explanation:

-7x=-5x+10

Get x on one side by adding 5x

-2x=10

Simplify by dividing by -2

X=-5

Substitute into y=-7x

Y=-7(-5)

Simplify

Y=35

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2 years ago

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5 0

2 years ago

Read 2 more answers

Can you help me with this oroblem

ludmilkaskok [199]

Answer:

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7 0

3 years ago