Ask question

Ask question

All categories

3 years ago

9

An element with a mass of 650 grams decays by 13.2% per minute. To the nearest minute, how long will it be until there are 220 g

rams of the element remaining?

1 answer:

Elis [28]3 years ago

3 0

Answer: 8

Step-by-step explanation:

You might be interested in

What does it mean if u have a number in front of a square root?

netineya [11]

That means it's a surd

5 0

3 years ago

I will mark brainliesttt!

irinina [24]

Answer: 75 degrees

Step-by-step explanation: supplementary means 180 so you do 180-105 which is 75

6 0

3 years ago

PLEASE HELP (100 POINTS)

omeli [17]

$\\ \rm\Rrightarrow 2sin^2x=1-cosx$

$\\ \rm\Rrightarrow 2sin^2x=1-1+sin^2x$

$\\ \rm\Rrightarrow 2sin^2x-sin^2x=0$

$\\ \rm\Rrightarrow sin^2x=0$

$\\ \rm\Rrightarrow sinx=0$

$\\ \rm\Rrightarrow x\in n\pi$

6 0

2 years ago

Tommy throws a ball from the balcony of his apartment down to the street. The

anygoal [31]

Answer: c

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

1,272 divided by 21?

Ann [662]

Answer:

106

Step-by-step explanation:

1272/21

6 0

2 years ago