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2 years ago

Element X is a radioactive isotope such that every 14 years, its mass decreases by half.

1 answer:

4 0

Element X is a radioactive isotope such that every 14 years, its mass decreases by half.
Given that the initial mass of a sample of Element X is 80 grams, how much of the
element

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Multiply.<br> 2 1/7 x 3 2/3<br><br> Answer with a mixed number in the simplest form

viva [34]

Answer:

7 6/7

Step-by-step explanation:

$2\frac{1}{7}$ × $3\frac{2}{3}$ =

$\frac{15}{7}$ × $\frac{11}{3}$ =

$\frac{165}{21}$ =

$7\frac{6}{7}$

4 0

2 years ago

Identify the percent increase or decrease for exponential growth if:<br> y = 5^x

sdas [7]

Answer: 500%

Step-by-step explanation:

It is growing because the base is greater than 1 and the exponent has a positive sign

4 0

3 years ago

A coin is tossed. What is the theoretical probability of the coin NOT showing heads?

love history [14]

It would be a 50/50 chance, because there is only two different things it could land on, and for each there is a 50% chance for it to land on that side so.

4 0

3 years ago

Read 2 more answers

A baseball is thrown into the air from a height of 5 feet. The ball reaches a maximum height of 43.5 feet and spends a total of

xeze [42]

Answer:

h(t) = -16t^2 + 49.64t + 5

Step-by-step explanation:

The above choice is the only one that makes the height function be a downward-opening parabola and gives h(0) = 5, the initial height of the baseball.

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Any function starting with 16t^2 will not have any positive x-intercepts.

8 0

3 years ago

Thank you for helping :D

padilas [110]

1. I chose Volleyball, which has only 2 kids. Football has 9 kids. So to find how many more kids prefer Football over Volleyball we subtract the two.

9-2= 7

2. The least popular sport is Volleyball, which again is 2.
And soccer has 7 kids who prefer Soccer over any other sport.

So it’s the same process, 7-2= 5

7 0

3 years ago