2 years ago

PLEASE HURRYYYYYY I WILL GIVE BRANLIEST ANSWER

Mathematics

2 answers:

zalisa [80]2 years ago

8 0

Answer:

50%....................

ololo11 [35]2 years ago

7 0

Answer:

50%....................

Step-by-step explanation:

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Iodine-125 has a daily decay rate of about 1%. How many milligrams of a 500 mg sample will remain after 300 days? Round the answ

Amanda [17]

So.. in this case, the starting amount is the 500mg sample... and the rate of decay, negative rate, is 1%, and at the time, the elapsed days is 0, to t = 0, P = 400

$\bf \qquad \textit{Amount for Exponential change}\\\\
A=P(1\pm r)^t\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{starting amount}\to &500\\
r=rate\to 1\%\to \frac{1}{100}\to &0.01\\
t=\textit{elapsed period}\to &300\\
\end{cases}
\\\\\\
A=500(1-0.01)^{300}$

7 0

2 years ago

Read 2 more answers

Brian rides his bicycle 24 miles in 2 hours. Write a ratio of Brain's miles per hour. Use the ratio from #1 to determine how far

Sati [7]

Answer:Ratio in miles per hour is 12 miles per hour.

Distance travelled is 60miles

Step-by-step explanation:

Speed=distance/time taken

24/2=12miles per hour

Therefore, distance travelled in 5 hours is 12*5=60miles

6 0

3 years ago

Give brainlest on time limit pls help

inysia [295]

Answer:

336 sq un

Step-by-step explanation:

The area of a rhombus is pq/2 where p and q are the diagonals.

you have:

p = 12 + 12 = 24

q = 18 + 10 = 28

so the formula would be:

24 * 28 / 2 = 336 sq un

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2 years ago

The sum of two integers is 36 and their difference is 16. Find the integers

stich3 [128]

Answer:

27,9

Step-by-step explanation:

x + y =36

x - y = 16

27 + 9 = 36

27 - 9 = 16

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3 years ago

On a map the Browns are using 2

Alona [7]

Answer: 337.5 km

Step-by-step explanation:

Use proportion:

2:75=9:x

2x=675

x=675/2

X=337.5

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3 years ago