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jeka94
3 years ago
6

Hey guys. Just need help checking my equation. I have x = -0.6. thanks.

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
3 0

12 - 4( - 3x + 5) - 8x = 20 \\ 12 + 12x - 20 - 8x = 20 \\ 4x - 8 = 20 \\ 4x = 28 \\ x = 7
Not quite
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Katie is building a rectangular wall. The wall will be 332 bricks wide and 39 bricks tall. She has 15,000 bricks. Does she have
agasfer [191]
Katie has enough bricks because it only takes 12,948 bricks to build the wall. To get 12,948, you will multiply 332 by 39. So basically you are multiplying the width by how tall it is.
4 0
3 years ago
Read 2 more answers
The question is attached in the picture below. (University level)
Luba_88 [7]

Answer:

nope

Step-by-step explanation:

Apply dot product which must = 0 for orthogonality.

In this case,

-(3)(2) + (-2)(-2) + (-3)(1) + (1)(4) = -1.

4 0
2 years ago
Determine the volume of the solid that lies between planes perpendicular to the x-axis at x=0 and x=4. The cross sections perpen
OverLord2011 [107]

Answer:

Volume = 16 unit^3

Step-by-step explanation:

Given:

- Solid lies between planes x = 0 and x = 4.

- The diagonals rum from curves y = sqrt(x)  to  y = -sqrt(x)

Find:

Determine the Volume bounded.

Solution:

- First we will find the projected area of the solid on the x = 0 plane.

                              A(x) = 0.5*(diagonal)^2

- Since the diagonal run from y = sqrt(x) to y = -sqrt(x). We have,

                              A(x) = 0.5*(sqrt(x) + sqrt(x) )^2

                              A(x) = 0.5*(4x) = 2x

- Using the Area we will integrate int the direction of x from 0 to 4 too get the volume of the solid:

                              V = integral(A(x)).dx

                              V = integral(2*x).dx

                               V = x^2

- Evaluate limits 0 < x < 4:

                               V= 16 - 0 = 16 unit^3

3 0
3 years ago
Can I get help on this one
ivann1987 [24]

Answer:

150

Step-by-step explanation:

The angle as a whole is 180 degrees. 150 and 30 are supplementary angles because they add up to equal 180.

5 0
3 years ago
Brainliest Oppurtunity, thanks.
andreev551 [17]
The first guys ticket will be 285 dollars and the 2nd guys will be 380 dollars :)
6 0
3 years ago
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