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Svetradugi [14.3K]
3 years ago
7

Simplify fully 4x – 8x² 12x-6

Mathematics
1 answer:
Elena L [17]3 years ago
5 0

Answer:

answer of second question 12x-6 =6(2x-1)

Step-by-step explanation:

12x-6

= 6(2x-1) take the common

=Answer=6(2x-1)

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I need help with this question!!!
jolli1 [7]

Answer:

PUC Gonda sex change Aaja Na Kand ke Hath Mein De Denge Munh Mein lega ki Gand Mein

6 0
3 years ago
Write the missing number <br> 1/5 out of 15
Sedbober [7]

Answer:

3

Step-by-step explanation:

1/5 × 15

= 15/5

= 3 (would love if you could mark me the brainliest :))

5 0
2 years ago
mr.montes is a plumber. he charges $35 to evaluate the situation plus $42 per hour that he is working on the job. if he were to
svet-max [94.6K]
You have to multiply 42x60 then add it to 35 then subtract the answer minus 10. Then multiply 60x5. Lastly you get both answers and add them I hope this is right
4 0
3 years ago
Use Lagrange multipliers to find the volume of the largest rectangular box in the first octant with three faces in the coordinat
dimaraw [331]

I assume the given plane has equation

<em>x</em> + 3<em>y</em> + 4<em>z</em> = <em>d</em>

for some constant <em>d</em> ≠ 0.

You want to maximize the function <em>V(x, y, z)</em> = <em>xyz</em> subject to the above constraint. The Lagrangian would be

<em>L(x, y, z, λ)</em> = <em>xyz</em> - <em>λ</em> (<em>x</em> + 3<em>y</em> + 4<em>z</em> - <em>d</em>)

Find its critical points:

∂<em>L</em>/∂<em>x</em> = <em>yz</em> - <em>λ</em> = 0

∂<em>L</em>/∂<em>y</em> = <em>xz</em> - 3<em>λ</em> = 0

∂<em>L</em>/∂<em>z</em> = <em>xy</em> - 4<em>λ</em> = 0

∂<em>L</em>/∂<em>λ</em> = <em>x</em> + 3<em>y</em> + 4<em>z</em> - <em>d</em> = 0

The first three equations tell you that <em>λ</em> = <em>yz</em> = <em>xz</em>/3 = <em>xy</em>/4. Then, for instance,

<em>yz</em> = <em>xz</em>/3   →   3<em>yz</em> - <em>xz</em> = <em>z</em> (3<em>y</em> - <em>x</em>) = 0   →   <em>z</em> = 0   <u>or</u>   3<em>y</em> - <em>x</em> = 0

If <em>z</em> = 0, we get zero volume which is not useful. So 3<em>y</em> = <em>x</em>. Similarly, you would find <em>x</em> = 4<em>z</em> and 3<em>y</em> = 4<em>z</em>, so a critical point occurs when <em>x</em> = 3<em>y</em> = 4<em>z</em>.

In the fourth equation, we get upon substituting

<em>x</em> + 3<em>y</em> + 4<em>z</em> = 3<em>x</em> = <em>d</em>   →   <em>x</em> = <em>d</em>/3, <em>y</em> = <em>d</em>/9, <em>z</em> = <em>d</em>/12

Then the largest volume of this box would be

<em>V(d</em>/3, <em>d</em>/9, <em>d</em>/12<em>)</em> = <em>d</em> ³ / 324

6 0
3 years ago
Show how to solve x-5y=4
o-na [289]
X-5y=4
+5. +5

×=9

I'm pretty sure that's how but if not I'm sorry
6 0
3 years ago
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