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3 years ago

PLEASE HELP ASAP I’ll mark brainliest!!!

Mathematics

1 answer:

Andrej [43]3 years ago

7 0

Answer:

yes it is a change of state since both hydrogen and oxygen are gas.

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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

Solving the equation x + 2(x – 5) = 320

Lunna [17]

Answer:

A. Step I

Step-by-step explanation:

Appropriate application of the distributive property would give ...

x +2x -10 = 320 . . . . . . . does not match step I

Further solution steps would be ...

3x -10 = 320

3x = 330

x = 110

4 0

4 years ago

Amir Said that the value in the hundredth place of 135.99 is 10 times as much as the value of 9 in the tenths place is Aimr stat

lions [1.4K]

Amir is incorrect. This is because 0.09 is 1/10 of 0.9 You can see this on a place value chart. Thousands, Hundreds, ones, tenths, and hundredths. Place down the values to see which one is greater. It is the 9 in the tenths place. 135.9. The tenths place is closer to the wholes than the hundredths place.

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3 years ago

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Solve for a.

Paraphin [41]

C. All real numbers

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If your bank charges an out-of-network service fee of $3.00, and you withdraw $20 from each of three out-of-network atms, how mu

earnstyle [38]

U get charged $ 3 for every out-of-network atm.....

u visited 3 out-of-network atm's....and in each one, u withdrew $ 20

3( 20 + 3) =
3(23) =
69 <=== so $ 69 will be removed from ur account

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3 years ago

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