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BartSMP [9]
3 years ago
12

Need help !!! This is math please

Mathematics
1 answer:
Flura [38]3 years ago
5 0

Answer:

what she did was move the square to the correct spot but she forgot to rotate it

Step-by-step explanation:

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14. Consider the function f(x, y) = yx^4 * e^x². Find fxyxyx (x, y).​
Alex787 [66]

The second partial derivatives of f exist everywhere in its domain. By Schwarz's theorem, the mixed second-order partials derivatives are equal:

f_{xy} = f_{yx}

Then

f(x,y) = y x^4 e^{x^2} \\\\ \implies f_y = x^4 e^{x^2} \\\\ \implies f_{yx} = f_{xy} = g(x) \\\\ \implies f_{xyx} = g'(x) \\\\ \implies f_{xyxy} = 0 \\\\ \implies f_{xyxyx} = \boxed{0}

We don't actually need to compute g and g' to know that they are both free of y. So when we differentiate for a second time with respect to y, the whole thing cancels out.

5 0
2 years ago
PLEASE HELPPP EASY HW.
Irina-Kira [14]

Answer:

12

Step-by-step explanation:

16^2+b^2=20^2

256+b^2=400

b^2=144

b=sqrt144

b=12

Hope this helps!1

6 0
3 years ago
Read 2 more answers
You are driving home on a weekend from school at 55 mi/h for 110 miles. It then starts to snow and you slow to 35 mi/h. You arri
Gemiola [76]

SOLUTION:

If you drive at 55 mi/h for 110 miles, this means you drovefor 110 / 55 = 2 hours

Your total driving time is 4 hours and 15 minutes which meansthat you drove 2 and 15 minutes at the rate of 35 mi/h

2 hours and 15 minutes = 2×60 + 15 = 135minutes

35 miles / 60 minutes × ( 135 minutes) = 78.75miles

So total miles driven is 78.75 + 110 =188.75 miles

6 0
3 years ago
6/15 in simplest form
Evgen [1.6K]
6/15 in simplest form is 2/5.

Divide the numerator and denominator by 3. :)

God bless
3 0
4 years ago
96.3 cm measured to the nearest tenth of a cm
rjkz [21]

Answer:

96.3 cm measured to the nearest tenth of a cm is 100 cm

3 0
3 years ago
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