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3 years ago

Help on this question pls .... (the question is at the top) I will cashapp you

Mathematics

1 answer:

TEA [102]3 years ago

3 0

Answer:

The sales tax is $59.84.

Step-by-step explanation:

8/100 = 0.08

0.08 * 748 = 59.84

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If f(y) = e^(9y) + e^(-9y), find f'(y). Use exact values.

Westkost [7]

Given:

$f(y)=e^{9y}+e^{-9y}$

To find:

The f'(y).

Solution:

Chain rule of differentiation:

$[f(g(x))]'=f'(g(x))g'(x)$

Differentiation of exponential:

$\dfrac{d}{dx}e^x=e^x$

We have,

$f(y)=e^{9y}+e^{-9y}$

Differentiate with respect to y.

$f'(y)=e^{9y}\dfrac{d}{dx}(9y)+e^{-9y}\dfrac{d}{dx}(-9y)$

$f'(y)=e^{9y}\cdot 9(1)+e^{-9y}\cdot (-9)(1)$

$f'(y)=9e^{9y}-9e^{-9y}$

Therefore, the differentiation of the given function is $f'(y)=9e^{9y}-9e^{-9y}$ .

5 0

3 years ago

Kayden ran 8 km while cayden ran half of distance kayden ran.Isaac ran 1/5 of the distance cayden ran, and jayden ran 1/6 of wha

Darina [25.2K]

Answer:

The difference (in km) between what Kayden ran and what Jayden ran is, 7.867 km.

Step-by-step explanation:

The information provided is as follows:

Kayden ran 8 km.
Cayden ran half of distance Kayden ran.
Isaac ran 1/5 of the distance Cayden ran.
Jayden ran 1/6 of what Isaac ran.

So, using the given information it can be said that Cayden ran 4 km.

Then the distance Isaac ran is, $4\ \text{km}\times\frac{1}{5}=0.8\ \text{km}$ .

Then the distance Jayden ran is, $0.8\ \text{km}\times\frac{1}{6}=0.133\ \text{km}$

Compute the difference (in km) between what Kayden ran and what Jayden ran as follows:

$K-J=8-0.133=7.867$

Thus, the difference (in km) between what Kayden ran and what Jayden ran is, 7.867 km.

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3 years ago

Whats the pattern for this numbers 5, 3, 9, 2, 13

dimaraw [331]

Step-by-step explanation:

Go and learn numbers , it will be 1 2 3 4 5

7 0

3 years ago

109.25714 x 0.0876 = 9.56 (sales tax)<br> helppp step by step on how they did this

kati45 [8]

Answer:

9.570925464=9.56

Step-by-step explanation:

multiply the numbers:

109.25714×0.0876=9.569.570925464=9.56

(Just so you know i put this answer in the other question you asked.)

Hope this helps

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3 years ago

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jekas [21]

Answer:

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3 years ago