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agasfer [191]
3 years ago
7

64 is decreased to 48

Mathematics
1 answer:
choli [55]3 years ago
8 0

Answer:

33.28, I think this is it

Step-by-step explanation:

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In a previous section we looked at mixing problems in which the volume of fluid remained constant and saw that such problems giv
Juli2301 [7.4K]

Answer:

Detailed solution is given below:

3 0
3 years ago
Find y’ for y=7sec^3x
laiz [17]
Taking the derivative of 7 times secant of x^3:
We take out 7 as a constant focus on secant (x^3)
To take the derivative, we use the chain rule, taking the derivative of the inside, bringing it out, and then the derivative of the original function. For example:
The derivative of x^3 is 3x^2, and the derivative of secant is tan(x) and sec(x).
Knowing this: secant (x^3) becomes tan(x^3) * sec(x^3) * 3x^2. We transform tan(x^3) into sin(x^3)/cos(x^3) since tan(x) = sin(x)/cos(x). Then secant(x^3) becomes 1/cos(x^3) since the secant is the reciprocal of the cosine.

We then multiply everything together to simplify:

sin(x^3) * 3x^2/ cos(x^3) * cos(x^3) becomes

3x^2 * sin(x^3)/(cos(x^3))^2

and multiplying the constant 7 from the beginning:

7 * 3x^2 = 21x^2, so...

our derivative is 21x^2 * sin(x^3)/(cos(x^3))^2


6 0
3 years ago
On a coordinate plane, what is the distance between the points at (1,9) and the point (4, 9)?
sammy [17]

If you draw out a coordinate plane you will see that they , on their Y access, are both nine witch means that they a horizontal line so all you have to do is subtract the x access witch is 3.

hope this helped


4 0
3 years ago
Please answer please
love history [14]

Answer:

43.5 cm²

Step-by-step explanation:

½ × 12 × 8 × sin(65)

= 43.50277378 cm²

7 0
3 years ago
Which expression is the same as 57.142
densk [106]
57 wholes and 71 over 500
7 0
3 years ago
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