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AURORKA [14]
3 years ago
7

5x-x+2x I need help!!!!

Mathematics
2 answers:
devlian [24]3 years ago
8 0

Answer:

6x

Step-by-step explanation:

They are all like terms so they will add all together.

nasty-shy [4]3 years ago
5 0

Answer: 6x

Step-by-step explanation:

5x-x = 4x then add the 2x., so 4x + 2x = 6x

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Evaluate the surface integral. S xz ds, s is the part of the plane 2x 2y z = 4 that lies in the first octant
maksim [4K]

The value of the given surface integral is 4.

The given plane intercepts the coordinate axes at (2, 0, 0), (0, 2, 0), and (4, 0, 0). These point are the coordinates of a triangular region that we can parameterize using.

S(u,v)=(1-u)((1-u)(2,0,0)+u(0,2,0)+u(4,0,0)\\S(u,v)=(2(1-u)(1-v),2u(1-v),4v)

<h3>What is the surface integral?</h3>

A surface integral is a generalization of multiple integrals to integration over surfaces. It can be thought of as the double integral analog of the line integral. Given a surface, one may integrate a scalar field over the surface or a vector field.

with 0≤u≤1 and  0≤v≤1. Then the surface element ds  is equivalent to

ds=\||\:\left(s_u\times \:\:S_v\right)||dudv=12\left(1-v\right)dudv

The surface integral is then

\int \:\int \:_Sxzds=12\int _0^1\:\int _0^1\:\left(2\left(1-u\right)\left(1-v\right),2u\left(1-v\right),4v\right)dvdu=4

Therefore the value of the given surface integral is 4.

To learn more about the integral visit:

brainly.com/question/14295614

#SPJ2

6 0
2 years ago
After putting 5 gallons of gas into your car, the
Shkiper50 [21]

Answer:

8 gallons

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Tell whether the sequence is arithmetic. If it is, what is the common difference? (1 point)
larisa [96]

Since an arithmetic sequence is a sequence of numbers and the difference of any two successive members of the sequence is a constant

So this question is arithmetic because it keep minus by 7

from 19 - 7 = 12

12 - 7 = 5

5 - 7 = -2

so common difference is -7

or you can check with arithmetic formular as

a_{n} = a_{1} + (n−1)d

I will just put in the 4th term which is -2 and n will equal to 4

and a_{1} is the 1st term which is 19

-2 = 19 + (4−1)d

-2 - 19 = 3d

d = \frac{-21}{3}

d = -7

7 0
3 years ago
Marla did 65 sit ups each day for 1 week. Use the distributive property to show an expression u can use to find the total number
Debora [2.8K]
<span>the total number of sit ups = 7(60 + 5)
                                          = 7 * 60 + 7 * 5
                                          = 420 + 35
                                          = 455

Hope it helps</span>
8 0
3 years ago
Solve the inequality: <br> 8 = 5a &gt; -12<br> help!!! No links and correct awnser gets brainliest✨
VladimirAG [237]

Answer:

a = 4

Step-by-step explanation:

8 = 5a > - 12

8 + 12 = 5a > - 12 + 12

20 = 5a

20 ÷ 5 = 5a ÷ 5

a = 4

Check:

8 = 5(4) < 12

8 = 20 < 12

It is correct.

7 0
3 years ago
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