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Natali [406]
3 years ago
8

Element X decays radioactively with a half life of 10 minutes. If there are 510 grams

Mathematics
1 answer:
pishuonlain [190]3 years ago
7 0

Answer:

46 minutes

Step-by-step explanation:

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A jar contains 2 green marbles, 4 blue marbles, and 3 yellow marbles. A marble is chosen at random from the jar and replaced. Fi
omeli [17]

Answer:

2/27

Explanation:

• Number of green marbles = 2

,

• Number of blue marbles = 4

,

• Number of yellow marbles = 3

Total = 2+4+3 =9

• Probability of choosing a green marble = 2/9

,

• Probability of choosing a yellow marble = 3/9

Therefore, the possibility that the first marble is green and the second is yellow is:

\begin{gathered} =\frac{2}{9}\times\frac{3}{9} \\ =\frac{2}{27} \end{gathered}

8 0
1 year ago
HELP PLEASEEE with steps
zysi [14]
<h3>Answer: Choice C) 421.9</h3>

=======================================

Explanation:

You're on the right track. You wrote down the proper expression to get the final answer, assuming you meant to write 75/4 as the third term inside the parenthesis. This works because each time you cut the side length in half to get each smaller triangle's side. The 3 is because there are 3 sides for each of the triangles. Much of this I have a feeling you already know as you wrote down the expression on the page, though I'm not 100% sure of your mindset. Computing this expression leads to 421.875 which rounds to 421.9

note: an alternative is to write 3*75 + 3*75/2 + 3*75/4 + 3*75/8, though that is more work. It's better to have that 3 factored out.

8 0
3 years ago
If u guess a number 1-50 and get it right I will give u branliest
gulaghasi [49]

My guess is 50 Or 30

5 0
3 years ago
Read 2 more answers
How many solution does 2x – 1 = 1 – 2x have?
ss7ja [257]

Answer:

1

Step-by-step explanation:

Hello,

2x – 1 = 1 – 2x

<=> 2x-1+2x=1

<=> 4x-1=1

<=> 4x = 1+1=2

<=> x = 2/4 = 1/2

Then there is only one solution.

Thanks

6 0
3 years ago
Read 2 more answers
An animal shelter provides a bowl with 1.45 liters of water for 3 cats.
Kay [80]

Answer:

n animal shelter provides a bowl with 1.45 liters of water for 3 cats.

About how much water will be left after the cats drink their average daily amount of water?

Canada Goose 0.24

Cat 0.15

Mink 0.10

Opossum 0.30

Bald Eagle 0.16

Step-by-step explanation:

4 0
3 years ago
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