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2 years ago

-3/4 is a rational number, but not an integer. True False

Mathematics

2 answers:

lora16 [44]2 years ago

8 0

Answer:

It's true because its a rational number.

Step-by-step explanation:

sdas [7]2 years ago

8 0

Answer:

it is false since all integers (whole numbers and zero) are rational numbers, but not all rational numbers are integers (rational numbers can be fractional). To answer this question, you need to consult the definition of rational numbers.

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baherus [9]

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2 years ago

a 34 gram sample of a substance that's used to treat thyroid disorders has a k-value of 0.137. find the substance's half-life, i

Ira Lisetskai [31]

Answer:

5.1 days

Step-by-step explanation:

Given in the question,

initial amount of substance = 34 grams

k-value = 0.137

To find the half life of this substance we will use following formula

$N(0)/2 = N(0)e^{-kt}$

here N(0) is initial amount of substance

t is time in days

Plug values in the formula

$34 /2 = 34e^{-0.137t}$

1/2 = e^{-0.137t}

Take logarithm on both sides

ln(1/2) = ln( e^{-0.137t})

ln(1/2) = -0.137t

t = ln(1/2) / -0.137

t = 5.059

t ≈ 5.1 days (nearest to tenths)

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3 years ago

Please help, thank you!

shutvik [7]

65 x6 = 390
80 x 3= 240

390+240 = 630

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2 years ago

Read 2 more answers

Monster wants to change the shape of its can to the shape of a Red Bull can. If both cans can still hold 12 oz. And you want the

masha68 [24]

Hello,

Using V = (pi)(r)^2(h) :
V = 12
r = ?
h = 8
12 = (pi)(r)^2(8)
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Good luck to you!

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