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Veseljchak [2.6K]

3 years ago

13

Solve the equation below

1 answer:

levacccp [35]3 years ago

7 0

Then do the same thing with y

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A function f is given by the formula f(x)=a⋅ekx for constants a and k. we also know that f(4)=12 and f(7)=5. find numerical valu

masha68 [24]

The given function is

$f(x) = a e^{kx}$

And it is given that $f(4)=12$

On using this information, we will get

$12 = a e^{4k}$

And the other point is $f(7)=5$

Using this point, we will get

$5= ae^{7k}$

Dividing both equations, we will get

$\frac{12}{5} = e^{4k-7k}$

Taking ln to both sides

$ln( \frac{12}{5} ) = -3k$

$k = -0.29$

Performing back substitution ,

$12 = a e^{-0.29*4}
\\
a =38.28$

3 0

4 years ago

Kelly can walk 8 1/3 kilometers in one hours. How far can she walk in 2 2/5 hours?

gulaghasi [49]

Answer:

20 km

Step-by-step explanation:

6 0

3 years ago

Help! Fill in the Missing Term!!

oksian1 [2.3K]

Answer:

2-12i

Step-by-step explanation:

I think I am sorry if I gave you the wrong answer. But Good luck!

8 0

4 years ago

Read 2 more answers

The cooking time for a mini-loaf of bread is 5 minutes longer than half the time it takes to bake a regular-sized loaf of bread.

NeTakaya

It would take 40 minutes to bake a regular-sized loaf

7 0

3 years ago

Combine the like terms to create an equivalent expression:<br> \large{5n+6+(-7n)}5n+6+(−7n)

forsale [732]

Answer:−2n+6,−2n+6

Step-by-step explanation:

5n+6−7n,5n+6−7n

((5n−7n)+6),((5n−7n)+6)

−2n+6,5n−7n+6

−2n+6,((5n−7n)+6)

−2n+6,−2n+6

7 0

3 years ago