3 years ago

Half - life is

Mathematics

1 answer:

Aleonysh [2.5K]3 years ago

8 0

Answer:

the amount of time it takes for approximately 50% of a radioactive atom sample to undergo nuclear decay

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(24 ÷ 6 - 2 + 5 × 3 × (-1 - 3) ÷ 4)^2 How do you solve this? Help me I need this ASAP!!

Bond [772]

Answer:

169

Step-by-step explanation:

PEMDAS

Parenthesis first

Add -1 and -3 which is -4

Divide 24 by 6 which is 4

(4-2+5*3*-4÷4)^2

(4-2-15)^2

(2-15)^2

(-13)^2

Which is 169

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2 years ago

A fish tank is in the shape of a cube. Its volume is 125 ft 3. what is the area of one face of the tank

KiRa [710]

5*5*5=125
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2 years ago

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3x - y - 3z if x = -2, y = 1, and z = -2.

dimaraw [331]

3(-2) -(1) -3(-2)
= -6 -1 +6 = -1

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2 years ago

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Which of the following is equivalent to (a + b/2) ^2?

myrzilka [38]

Answer:

a^2 + 4a/b + 4/b^2

Step-by-step explanation:

Which of the following is equivalent to (a + b/2) ^2?

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2 years ago

Find the missing sides, and give the simplified form of the square root

Brilliant_brown [7]

Answer:

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Step-by-step explanation:

In case you are wondering, I used the pythagorean theorem. If you want to learn how to use it I suggest you google it, there are plenty of sites that explain how to use it.

If you have any questions about the way I solved it, don't hesitate to ask me in the comments below :)

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2 years ago