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valentinak56 [21]
3 years ago
6

Given the expression x- + 8x + 5, find the equivalent

Mathematics
1 answer:
makvit [3.9K]3 years ago
5 0

Answer:

(x+4)^2-11

hope it's helpful ❤❤❤❤

❤

THANK YOU.

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Plutonium–238 has a yearly decay constant of 7.9 × 10-3. If an original sample has a mass of 15 grams, how long will it take to
eduard
The answer is 28 years

At = A0 * e^(-k * t)
At = 12 g
A0 = 15 g
k = 7.9 × 10^-3 = 0.0079 
t = ?

12 = 15 * e^(-0.0079 * t)
12/15 = e^(-0.0079 * t)
0.8 = e^(-0.0079 * t)

Logarithm both sides (because ln(e) = 1:
ln(0.8) = ln(e^(-0.0079 * t))
ln(0.8) = (-0.0079 * t) * ln(e)
-0.223 = -0.0079 * t
t = -0.223 / -0.0079
t = 28.23
t ≈ 28 years
8 0
3 years ago
PART B, 50 POINTS IF RIGHT!​
AfilCa [17]

Answer:

I believe the correct answer is B! Hope this helped.

6 0
3 years ago
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Manny has car insurance and was in an accident with a bill totaling $11,500. The insurance company says he needs to pay the firs
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Answer:

Deductible

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you pay the first $1,000 of covered services yourself

4 0
1 year ago
Kate found a new knitting pattern she's been wanting to try. It makes a rainbow-striped 60-inch scarf. Last month, it took her 1
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2 years ago
Find three consecutive even integers, such that
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Answer:

8,10 ,12

Step-by-step explanation:

x

x+2

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3 years ago
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