Ask question

Ask question

All categories

AlladinOne [14]

3 years ago

13

A Radioactive material has a half-life of 18.4 days. After 55.2 days, there were 177 mg of the material. What mass of the materi

al was originally present?

1 answer:

saveliy_v [14]3 years ago

8 0

1416 mg or 1.416 g ...................

You might be interested in

Solve the inequality<br> d-6>-4

Annette [7]

D-6>-4
+6 both sides
d>2

4 0

3 years ago

Read 2 more answers

Does the table below represent a function? <br> yes<br> no

Airida [17]

No the table doesn't

5 0

3 years ago

Read 2 more answers

Diane has $1.85 in dimes and nickels. She has a total of 24 coins. How many of each kind does she have?

poizon [28]

<span>Let the nickels be x and the dimes be y
x + y = 24
5x + 10y = 185
5x + 5y = 120
5y = 65
y=13
x=11
Answer: 11 nickels and 5 dimes</span>

3 0

3 years ago

A line passes through the points (5, –7.5) and has a y-intercept of 10.

brilliants [131]

Answer:y=0.5x+10

Step-by-step explanation:

need help with explanation?

4 0

3 years ago

A garden hose fills a 2-gallon bucket in 5 seconds.

natulia [17]

The filling rate is 2/5=0.4 gallons per second. So the appropriate equation is A.

5 0

3 years ago

Read 2 more answers