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Greeley [361]
3 years ago
14

If the function rule is to divide by 10, and there is an output value is 7.2, what is the input value?

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
6 0
The answer is:  "72" .
______________________________________________
 (input value, or "x")  / 10 = y  = f(x);

When y = 7.2, what is the value of "x" ?


x / 10 = 7.2 ;

x = (7.2) * 10 = 72 .
_______________________
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What is the derivative of the following function? f(x) = 4x^6/cos^5(x)
KIM [24]

Answer:

f'(x) = \frac{24x^{5} \cos x + 20x^{6}\sin x}{\cos^{6}x }

Step-by-step explanation:

We have to find the derivative of the following function:

f(x) = \frac{4x^{6} }{\cos^{5} x }

Now, differentiating both sides with respect to x we get,

f'(x) = \frac{\cos^{5}x (24x^{5}) - 4x^{6}(5\cos^{4}x )(- \sin x)}{(\cos^{5}x )^{2}}

⇒ f'(x) = \frac{ 24x^{5} \cos x + 20 x^{6}\sin x}{\cos^{6}x } (Answer)

{Since, we know that, \frac{d(mx^{n} )}{dx} = m \times n x^{(n - 1)} and \frac{d(\cos^{n} x)}{dx} = n \cos^{(n - 1)} x(- \sin x) }

5 0
3 years ago
Find the slope(11,-18) (-1,-7)
mestny [16]

Answer:

-11/12

Step-by-step explanation:

→ Find change in y

-7 --18 = 11

→ Find change in x

-1 - 11 = -12

→ Divide each other

-11/12

8 0
2 years ago
Math questions. Correct please
finlep [7]
Hello there! The answer for question 3 is 4 dogs 

The answer for question 2 is  D 6%, 0.66, 6/10

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8 0
3 years ago
Original price is 150 new price 189 what is the percent
viktelen [127]

Answer:

The percent is 26%

Step-by-step explanation:

189 divided by 150 is 1.26 but since the original price is $150 the percent is 100% and 189 is 126% so the percent difference is 26%.

4 0
3 years ago
-7 x (4+8) = ?? Please a aswer?
Colt1911 [192]
The answer would be -84.

Here are the steps I did.

1. Simplify 4 + 8 to 12 ( -7 * 12 )

2. Now lastly simplify and u get -84.
5 0
3 years ago
Read 2 more answers
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