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Tanzania [10]
3 years ago
5

15. A particular compound decays according to the equation y = ae^-0.0736t, where t is in days. Find the half-life of this compo

und.
Mathematics
2 answers:
kakasveta [241]3 years ago
8 0
Yes 12-13 hope this helps you
katen-ka-za [31]3 years ago
5 0

Answer:

12

Step-by-step explanation:

You might be interested in
What is the area of the pyramid square base
Scrat [10]

Answer:

25 cm^2

Step-by-step explanation:

the area of 1 triangle is 20, so the missing length of the triangle is 5. 5x5=25

6 0
2 years ago
#20 I’m not sure how to solve it. And the answer should be able to grid in like on the SAT
r-ruslan [8.4K]

Answer:

1

Step-by-step explanation:

i (a + bi) = 1

ai + b(-1) = 1

ai − b = 1

Match the coefficients.

ai = 0

-b = 1

Therefore, a = 0 and b = -1.

So a − b = 0 − (-1) = 1.

4 0
3 years ago
Explain how the Quotient of Powers Property was used to simplify this expression.
Strike441 [17]

Answer:

\frac{5^{4}}{25} = 25

Step-by-step explanation:

I'm not sure if you had a typographical error with this statement, "5 to the fourth power, over 25 = 52."

According to the <u>Quotient Rule of Exponents</u><u>:</u>

\frac{a^{m}}{a^{n}} = a^{(m-n)}

Method 1:

In order for you apply the Quotient Rule, the base must be the same. Since 5 is a factor of 25, then you could rewrite 25 as 5². Doing so will give you the following exponential expression:

\frac{5^{4}}{5^{2}} = 5^{(4 - 2)} = 5^{2} = 25

Method 2:

Even if you solve the given problem manually, you'd still get the same answer:

\frac{5^{4}}{25} = \frac{5*5*5*5}{25} = \frac{625}{25} = 25

Both methods produced the same result, proving that the correct answer is 25.

Please mark my answer as the Brainliest, if you find this helpful :)

3 0
2 years ago
The length of of a rectangle is 10mm and the width is 2.5mm, what is the area
attashe74 [19]
The area for rectangle is (l x w) or (length times width) or (length x width) 

*just in case you get confused

so the length is 10, and the width is 2.5 so you plug in.

10 x 2.5 = 25

your answer is 25 mm²

hope this helps
6 0
3 years ago
What is the sum of 2/5 and 3/4 what is the answer​
vfiekz [6]

Answer:

23/20 or 1 and 3/20

Step-by-step explanation:

Make sure they have the same common denominator. For 5 and 4, 20 would be the Least Common Denominator.

so 2/5=8/20 and 3/4=15/20

Add 8+15 and you get 23 so 23/20 you can leave it so or switch it to a mixed number 1 3/20

3 0
3 years ago
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