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Salsk061 [2.6K]
3 years ago
6

Find the valuex- 1/x​

Mathematics
1 answer:
Artyom0805 [142]3 years ago
3 0

Answer:

the value of x-1/x is given down

Step-by-step explanation:

=(x+1/x)²=x²+1/x²+2

=(5)²=x²+1/x²+2

=x²+1/x²=25-2

=x²+1/x²=23 this is the answer

if u ask there how 25 came means there (5)² is that u should multiply 5×5 and u will get 25bas the answer

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geri wants to put 6 stamps on some pages in her book and 9 stamps on other pages. explain how she could do this with 78 stamps
Readme [11.4K]
She could put 6 stamps on 4 pages, and 9 stamps on the other pages
6 * 4 = 24
78 - 24 = 54
54/9= 6

6 0
3 years ago
18 Ib. Then her dog loses another 1 lb. Finally, it
Pavel [41]

Answer:

17 lb I guess 8 don't think the question is full

Step-by-step explanation:

the question is half

8 0
3 years ago
Evaluate the surface integral ∫sf⋅ ds where f=⟨2x,−3z,3y⟩ and s is the part of the sphere x2 y2 z2=16 in the first octant, with
skad [1K]

Parameterize S by the vector function

\vec s(u,v) = \left\langle 4 \cos(u) \sin(v), 4 \sin(u) \sin(v), 4 \cos(v) \right\rangle

with 0 ≤ u ≤ π/2 and 0 ≤ v ≤ π/2.

Compute the outward-pointing normal vector to S :

\vec n = \dfrac{\partial\vec s}{\partial v} \times \dfrac{\partial \vec s}{\partial u} = \left\langle 16 \cos(u) \sin^2(v), 16 \sin(u) \sin^2(v), 16 \cos(v) \sin(v) \right\rangle

The integral of the field over S is then

\displaystyle \iint_S \vec f \cdot d\vec s = \int_0^{\frac\pi2} \int_0^{\frac\pi2} \vec f(\vec s) \cdot \vec n \, du \, dv

\displaystyle = \int_0^{\frac\pi2} \int_0^{\frac\pi2} \left\langle 8 \cos(u) \sin(v), -12 \cos(v), 12 \sin(u) \sin(v) \right\rangle \cdot \vec n \, du \, dv

\displaystyle = 128 \int_0^{\frac\pi2} \int_0^{\frac\pi2} \cos^2(u) \sin^3(v) \, du \, dv = \boxed{\frac{64\pi}3}

8 0
2 years ago
Is 10(x-2)=5(2x-4) infinitely many or no solution
Andrei [34K]
10x-20=10x-20, make your decision on the answer from this which they are all real numbers. Hope this will help you!
7 0
3 years ago
Read 2 more answers
jada can write 3 1/4 pages in 8 minutes. At this rate, how many pages could jada write in 24 minutes?
makkiz [27]

Answer:

9  3/4  pages = x    

Step-by-step explanation:

\frac{pages}{minutes} = \frac{pages}{minutes}        change 3 1/4 to a decimal

\frac{3.25}{8} = \frac{x}{24}

3.25(24) = 8x

78 = 8x

\frac{78}{8} = x

9.75 = x  

9\frac{3}{4} =x

working with the fraction

3 1/4 /8 = x/ 24

3 1/4 (24) = 8x            

 13/4 (24) = 8x

  316/4 = 8x

  78 = 8x

78/8 = x

9 3/4 = x

7 0
2 years ago
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