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Svet_ta [14]
3 years ago
15

17/4 -1 1/7=? need help with this question

Mathematics
1 answer:
Darya [45]3 years ago
5 0
75/28 or 2 and 19/28
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Someone please help me with my homework please please help please help me with my homework
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Simplify the expression <br><br> 12x^-6y^10X3x^7y
harkovskaia [24]

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12xy₁₁x₃

Step-by-step explanation:

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Kenya exchanges $200 for euros (€). Suppose the conversion rate is €1 = $1.321. How many euros should Kenya receive?
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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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A fish tank has black and white fish in the ratio of 2 to 6 as shown below Which is another ratio that can describe the black to
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