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3 years ago

The polynomial 16x + 2 is a . Adding the term to the polynomial would make it a trinomial.

Mathematics

1 answer:

neonofarm [45]3 years ago

8 0

Idk b, im stuck on the same thing

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A 41 gram sample of a substance that's used to detect explosives has a k-value of 0.1392. Find the substance's half life, in day

-BARSIC- [3]

Answer:

The substance half-life is of 4.98 days.

Step-by-step explanation:

Equation for an amount of a decaying substance:

The equation for the amount of a substance that decay exponentially has the following format:

$A(t) = A(0)e^{-kt}$

In which k is the decay rate, as a decimal.

k-value of 0.1392.

This means that:

$A(t) = A(0)e^{-0.1392t}$

Find the substance's half life, in days.

This is t for which $A(t) = 0.5A(0)$ . So

$A(t) = A(0)e^{-0.1392t}$

$0.5A(0) = A(0)e^{-0.1392t}$

$e^{-0.1392t} = 0.5$

$\ln{e^{-0.1392t}} = \ln{0.5}$

$-0.1392t = \ln{0.5}$

$t = -\frac{\ln{0.5}}{0.1392}$

$t = 4.98$

The substance half-life is of 4.98 days.

5 0

3 years ago

The expression below is a sum of cubes. True or false<br> 64x^3+ 125<br> A. True<br> B. False

olchik [2.2K]

Answer:

True

Step-by-step explanation:

64x³ + 125

64x³ = (4x)³ ← a perfect cube

125 = 5³ ← a perfect cube

Thus 64x³ + 125 ← is a sum of cubes

6 0

3 years ago

Solve the following equation using the liquid liquid associative property use the following charts to determine wheather this is

adell [148]

Hmm this seem rather complicated would you send me more details

6 0

3 years ago

Read 2 more answers

Help! I just need help with graphing the table. That's all.

umka2103 [35]

hmmmmmmmmmmmmmmmmmmmmm

7 0

3 years ago

30 points!!!

lara31 [8.8K]

Answer:

SAS postulate

Step-by-step explanation:

AD (common)

AC = BD (both are diameters)

Angle COD = Ange AOD (vertically opposite angles)

Angle CAD = Angle BAD (angle on the circumference is half the angle at the centre)

Therefore, ABD and DCA are congruent by SAS postulate

7 0

3 years ago