2 years ago

Which property of multiplication is shown 2 questions

Mathematics

1 answer:

8_murik_8 [283]2 years ago

7 0

The property that is shown is called the zero property.

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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

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3 years ago

[x + 3y = -4] [2x + 6y = 5]

stealth61 [152]

Step-by-step explanation:

x+3y=-4(eqn1)

x=-4-3y

from (eqn 2)

2(-4-3y)+6y=5

-8-6y+6y=5

y=5+8=13.

y=13

from eqn 1

x+3(13)=-4

x+39=-4

x=-4-39

x=-43.

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3 years ago

Arrange the following in increasing order 14.204 14.200 14.240 14.210

rjkz [21]

14.200
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14.210
14.240

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Step-by-step explanation:

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Como llega el gas natural a las Islas Baleares? I a Mallorca?

WINSTONCH [101]

Answer:

El gas natural llegó ayer a Mallorca a través del gasoducto submarino.

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3 years ago