2 years ago

Aquí está mejor Cómo simplificar esta expresión

Mathematics

1 answer:

Ludmilka [50]2 years ago

6 0

Answer:

359/4

Decimal: 89.75

Step-by-step explanation:

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If a bacteria population starts with 100 bacteria and doubles every three hours, then the number of bacteria after t hours is n

natali 33 [55]

Answer:

$f^{-1}=3ln_2(\frac{t}{100})$

f^-1 represents the number of hours the bacteria developed

Step-by-step explanation:

$f(t) = 100 \cdot 2^\frac{t}{3}$

To find inverse of a function , replace f(t) with y

$y= 100 \cdot 2^\frac{t}{3}$

replace t with y and y with x

$x= 100 \cdot 2^\frac{y}{3}$

solve for y

divide both sides by 100

$\frac{x}{100} =2^\frac{y}{3}$

take ln on both sides

$ln \frac{x}{100} =\frac{y}{3}ln 2$

divide both sides by ln

$ln_2(\frac{x}{100}) =\frac{y}{3}$

multiply by 3 on both sides

$y=3ln_2(\frac{x}{100})$

Replace x with t and y with f^-1

$f^{-1}=3ln_2(\frac{t}{100})$

f^-1 represents the number of hours the bacteria developed

7 0

3 years ago

Can you guys help with this pleaseeee

Len [333]

Answer:

36.45

Step-by-step explanation:

tan 32 = a/35

x = 23.1

tan 70 = b/23.1

y = 28.2

x^2 = a^2+b^2

= 23 .1^2 + 28.2^2

= 36.45

8 0

2 years ago

3.321 divided by 0.07

Taya2010 [7]

47.44 is the answer to this question

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3 years ago

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What is 4and2/14 as an improper fraction in lowest terms

julia-pushkina [17]

Answer: 58 14ths

Step-by-step explanation:

multiply 14 by 4 to get 56 14ths, then add the 2

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2 years ago

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Answer:

Step-by-step explanation:

|-2|=2

|15|=15

2+15=17

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3 years ago

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