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4 years ago

Simplify 5-(-1) Quickly answer pls

Mathematics

2 answers:

erik [133]4 years ago

5 0

Answer:

5-(-1)

5+1

Step-by-step explanation:

Tju [1.3M]4 years ago

5 0

Answer:

Step-by-step explanation:

5-(-1)

5+1

= 6

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Simplify both please thank you

Molodets [167]

Hang on im trying...

3 0

4 years ago

Find the area of the surface. the part of the hyperbolic paraboloid z = y2 − x2 that lies between the cylinders x2 + y2 = 4 and

Nadusha1986 [10]

Call the surface $S$ ; then the area of $S$ is given by the surface integral

$\displaystyle\iint_S\mathrm d\mathbf S$

Parameterize the surface by

$\mathbf r(u,v)=\begin{cases}x(u,v)=u\cos v\\y(u,v)=u\sin v\\z(u,v)=u^2\cos^2v-u^2\sin^2v=u^2\cos2v\end{cases}$

with $2\le u\le4$ and $0\le v\le2\pi$ . The surface element is given by

$\mathrm d\mathbf S=\|\mathbf r_u\times\mathbf r_v\|\,\mathrm du\,\mathrm dv$
$\mathrm d\mathbf S=u\sqrt{1+4u^2}\,\mathrm du\,\mathrm dv$

So the area is

$\displaystyle\iint_S\mathrm d\mathbf S=\int_{v=0}^{v=2\pi}\int_{u=2}^{u=4}u\sqrt{1+4u^2}\,\mathrm du\,\mathrm dv$
$=\displaystyle2\pi\int_{w=17}^{w=65}\sqrt w\,\frac{\mathrm dw}8$

where $w=1+4u^2\implies\mathrm dw=8u\,\mathrm du$

$=\displaystyle\frac\pi4\frac23w^{3/2}\bigg|_{w=17}^{w=65}$
$=\dfrac\pi6\left(65^{3/2}-17^{3/2}\right)\approx237.69$

8 0

3 years ago

Find two consecutive natural numbers whose sum is 51

coldgirl [10]

Answer:

The two consecutive integers are 25 and 26.

Explanation:

Divide

51 by 2.

51/2=25.5

Decrease 25.5 to 25, and increase 25.5 to 26.

25+26=51

5 0

3 years ago

Help<br>i need H - G answered

exis [7]

Answer:

See below.

Step-by-step explanation:

f = 3x + 31

c = 12x - 1

3x + 31 + 12x - 1 = 180

15x + 30 = 180

15x = 150

x = 10

same-side interior, supplementary

b = x - 10

g = 4x + 60

x - 10 + 4x + 60 = 180

5x + 50 = 180

5x = 130

x = 26

same-side exterior, supplementary

d = 2x + 13

e = 7x + 5

2x + 13 + 7x + 5 = 180

9x + 18 = 180

9x = 162

x = 18

same-side interior, supplementary

a = 10x - 30

e = 8x + 20

10x - 30 = 8x + 20

2x = 50

x = 25

corresponding, congruent

b = x + 30

h = 5x - 14

5x - 14 = x + 30

4x = 44

x = 11

alternate exterior, congruent

6 0

3 years ago

True or false: If I read information on the Internet and put it completely in my own words I can use that information in my pape

stepan [7]

If you use proper paraphrasing (switching words and when sentence subjects orders) it’s not plagiarism. I’d suggest doing that and also changing any advance words/subjects to something more on your grade level if your in middle/high school

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3 years ago