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Setler79 [48]
3 years ago
15

Please explain the correct answer to me! Will give brainliest!

Mathematics
1 answer:
Serga [27]3 years ago
5 0
Answer: Choice A) 3x+4y = 12

---------------------------------------------------------------------

y = (-3/4)x + 3
4*y = 4*((-3/4)x+3) ... multiply both sides by 4 to clear out the fraction
4y = -3x+12 ... distribute and multiply
4y+3x = -3x+12+3x ... add 3x to both sides
3x+4y = 12

Note: this is in standard form Ax+By = C where A = 3, B = 4 and C = 12.
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Pleaser answer CORRECTLY , WILL MARK BRAINLIEST !!!!!!!!!
Nataly [62]

Answer:

Step-by-step explanation:

-3a + 6b = a + 4b

-4a + 6b = 4b

-4a = -2b

a = -2b/-4

f(a) = -b/2

5 0
3 years ago
Solve for x/2=17 a.x=34 b.x=8.5 c.x=15 d.x=19
Sidana [21]
A. x=34

2 x 17 = 34
34/2 = 17
4 0
3 years ago
Business/multivariable calc question<br> help needed asap!!!!
UkoKoshka [18]

Answer:

There is a <u>   min   </u>  value of <u>   800   </u> located at (x,y) = <u>   (16, 12)   </u>

==========================================================

Explanation:

Let's solve the second equation for y

4x+3y = 100

3y = 100-4x

y = (100-4x)/3

We'll plug that into the first equation

f(x,y) = 2x^2+2y^2

g(x) = 2x^2+2((100-4x)/3)^2

g(x) = 2x^2+(2/9)*(100-4x)^2

g(x) = 2x^2+(2/9)*(10,000-800x+16x^2)

This graphs a parabola that opens upward, due to the positive leading coefficient. This g(x) curve has its vertex point at the minimum.

Apply the derivative to help find the minimum

g(x) = 2x^2+(2/9)*(10,000-800x+16x^2)

g ' (x) = 4x+(2/9)*(-800+32x)

------------------------

Set the derivative function equal to 0 and solve for x

g ' (x) = 0

4x+(2/9)*(-800+32x) = 0

4x+(2/9)*(-800)+(2/9)*(32x) = 0

4x-1600/9+(64/9)x = 0

9(4x-1600/9+(64/9)x) = 9*0

36x-1600+64x = 0

100x-1600 = 0

100x = 1600

x = 1600/100

x = 16

Use this x value to find y

y = (100-4x)/3

y = (100-4*16)/3

y = (100-64)/3

y = 36/3

y = 12

-----------------------

Therefore, (x,y) = (16,12) leads to the largest value of f(x,y) = 2x^2+2y^2

That smallest f(x,y) value is...

f(x,y) = 2x^2+2y^2

f(16,12) = 2*16^2+2*12^2

f(16,12) = 800

8 0
3 years ago
Please creeper keeps answering but link doesnt work plaese help
DedPeter [7]

Answer:

The answer is A: y^2/2x

Step-by-step explanation:

Hope this helps please mark brainliest  :)

6 0
2 years ago
Find an equation in slope-intercept form for the line with a zero slope and passes through (12, -9).
Virty [35]
If the slope is 0, then x does not change at all.

take the given y coordinate, and make that the equation.

so y=-9, since the line will never change.
8 0
3 years ago
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