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abruzzese [7]
3 years ago
7

WILL GIVE BRAINLIEST ANSWER THIS PLZ!

Mathematics
2 answers:
Nutka1998 [239]3 years ago
8 0
The answer is b, tell me if you don't understand.
masya89 [10]3 years ago
5 0
Hi !


9 < √85 < 10
9² < √85² < 10² it don't change the inequality because these 3 numbers are positif.
81 < 85 < 100

The inequality is true
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C

Step-by-step explanation:

\frac{ - 1}{3}  \times a = -1

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Estimate square root 241 to the nearest whole number.
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Compute the Taylor expansion of order n=2 of the function sin(xy) at x=0 and y=0
artcher [175]

Answer:

f(x, y) = Sin(x*y)

We want the second order taylor expansion around x = 0, y = 0.

This will be:

f(x,y) = f(0,0) + \frac{df(0,0)}{dx} x + \frac{df(0,0)}{dy} y + \frac{1}{2} \frac{d^2f(0,0)}{dx^2} x^2 +\frac{1}{2} \frac{d^2f(0,0)}{dy^2}y^2  + \frac{d^2f(0,0)}{dydx} x*y

So let's find all the terms:

Remember that:

\frac{dsin(ax)}{dx}  = a*cos(ax)

\frac{dcos(ax)}{dx} = -a*cos(ax)

f(0,0) = sin(0*0) = 1.

\frac{df(0,0)}{dx}*x = y*cos(0*0)*x = x*y

\frac{df(0,0)}{dy} *y = x*cos(00)*y = x*y

\frac{1}{2} \frac{d^2f(0,0)}{dx^2}*x^2 =  -\frac{1}{2}  *y^2*sin(0*0)*x^2 = 0

\frac{1}{2} \frac{d^2f(0,0)}{dy^2}*y^2 =  -\frac{1}{2}  *x^2*sin(0*0)*y^2 = 0

\frac{d^2f(0,0)}{dxdy} x*y = (cos(0*0) -x*y*sin(0*0))*x*y = x*y

Then we have that the taylor expansion of second order around x = 0 and y = 0 is:

sin(x,y) = x*y + x*y + x*y = 3*x*y

6 0
3 years ago
Which geometric property is illustrated for the lengths of line segments: If DE = FG then FG = DE A. Reflexive Property B. Symme
miss Akunina [59]

Answer:

I'm sorry I wish if I could help you but not sure of the answe

7 0
3 years ago
Evaluate each ex<br> 1) 3(6+7)
son4ous [18]

By using the PEMDAS order of operations, we get 3(6+7) = 39.

The equation be 3(6+7) then the correct answer is 34.

<h3>What is PEMDAS order of operations?</h3>

The order of operations exists as a law that describes the proper sequence of stages for estimating a math expression. We can recognize the order utilizing PEMDAS: Parentheses, Exponents, Multiplication, Division (from left to right), Addition, and Subtraction (from left to right).

Given: 3(6+7)

By using the PEMDAS order of operations, we get

(6+7) = 13

Then we get

3(6+7) = 3 * 13

= 39.

Therefore, the value of 3(6+7) = 39.

To learn more about PEMDAS order of operations refer to:

brainly.com/question/550188

#SPJ9

7 0
2 years ago
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