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3 years ago

13

I need to know how to graph this inequality

1 answer:

n200080 [17]3 years ago

5 0

Y intercept is -4. go down 2 units then 1 to the right. Its gonna be a dashed line then shade toward 0.

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The number of a particular fish in thousands x years after 1972 can be modeled by f(x)=230(0.886)x. Estimate the year when the n

sashaice [31]

Answer:

The year is 1979.

Step-by-step explanation:

Given:

The function relating fish population and number of years since 1972 is:

$f(x)=230(0.886)^x\\Where,\ f(x)\rightarrow \textrm{fish population}\\x\rightarrow \textrm{number of years passed after 1972}$

Now, when the fish population reaches 99 thousand, it means that $f(x)=99$ . Now, plugging in $f(x)=99$ in the above equation and solving for $x$ . This gives,

$99=230(0.886)^x\\\frac{99}{230}=0.886^x\\\\\textrm{Taking natural log on both sides}\\\ln(0.886)^x=\ln(\frac{99}{230})\\\\\textrm{Using log property: }\log a^b=b\log a\\x\ln (0.886)=\ln(0.43)\\x\times (-0.12)=-0.84\\x=\frac{-0.84}{-0.12}=7\ years$

Therefore, the year after 7 years passed since 1972 is given as:

1972 + 7 = 1979.

So, the year when the number of fish reaches 99 thousand is 1979.

8 0

3 years ago

andreyandreev [35.5K]

Answer:

$4n = 24$

Step-by-step explanation:

Given

$Cars = 4$

$Empty = 3$

$Occupied = 21$

Required

Determine an equation to find number of seats

Let the number of seats in each car be represented by n;

If $1\ car = n$

Then:

$4\ cars = 4 * n$

$4\ cars = 4 n$

This implies that there are 4n total seats

Solving further:

$Occupied\ Seats + Empty\ Seats = Total$

Substitute values for the above parameters:

$21 + 3 = 4n$

$24 = 4n$

Reorder

$4n = 24$ ---- This equation can be used to solve for n

3 0

3 years ago

ANSWER ASAP DONT SEND A FILE WHAT IS THE TRANSFORMATION????

Lemur [1.5K]

Answer:

Answer is C. Don't know what else there is to explain.

Step-by-step explanation:

5 0

3 years ago

if a 6-kg bowling ball is rolled down the bowling lane with a velocity of 3.5m/s what is the momentum of the ball. show can you

Norma-Jean [14]

Answer:

Hello, and I would like to help you. Would you mind if I just gave you the answer? If you would like me to explain say so in thec h a t

if you just want the answer tell me in c h a t I can always edit my answer.

Step-by-step explanation:

8 0

3 years ago

SOLVE EQUATION BY TAKING SQUARE ROOTS.<br> -100+81a^2=0

IceJOKER [234]

Answer:

a = ±10/9

Step-by-step explanation:

$-100+81a^2=0\\81a^2=100\\a^2=\frac{100}{81}\\\sqrt{a^2}=\sqrt{\frac{100}{81} }\\a=10/9\\a=-10/9$

7 0

3 years ago

Read 2 more answers