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just olya [345]
3 years ago
14

I need help please 4x-6y=36 how to show my work please help it would mean a lot :)

Mathematics
1 answer:
andre [41]3 years ago
3 0

Answer:

Solving for x:

x =  \frac{3}{2} y + 9

Solving for y:

y =  \frac{2}{3} x  - 6

Step-by-step explanation:

Please see the attached picture for full solution.

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At Silver Gym, membership is $25 per month, and personal training
Aleksandr [31]
25+30x=65+20x
     -20x -25
     ------ ------
       10x=40
        10   10
x=4                    
   
 I crossed multiplied but in a weird way because of how this is. Anyways, I hoped I helped you. :D




   
4 0
3 years ago
I need help thank you
erma4kov [3.2K]

Answer:

≈ 5

Step-by-step explanation:

<u><em>You can use the Pythagorean Theorem to solve this:</em></u>

a^{2} + b^{2} = c^{2}

<u><em>Now plug in the numbers into the formula:</em></u>

6^{2} + b^{2} = 8^{2}

36 + b^{2} = 64

<u><em>Subtract 36 from both sides:</em></u>

36 + b^{2} = 64

-36        -36

_________

b^{2} = 28

<em><u>Square both sides:</u></em>

\sqrt{b^2} = \sqrt{28}

b = 5.29

b ≈ 5

4 0
3 years ago
Find the vertex of the parabola whose equation is y = x^2 - 4x + 6.
Snezhnost [94]
Hey there !

The vertex of the parabola is B. ( 2, 2)

Hope this helps !

4 0
3 years ago
Help please
ddd [48]
Length of the box = 25 - 2x
Width of the box = 14 - 2x
Height of the box = x

a.) Volume of the box = x(25 - 2x)(14 - 2x) = x(350 - 50x - 28x + 4x^2) = 4x^3 - 78x^2 + 350x
Therefore, the function that models the volume of the box is V(x) = 4x^3 - 78x^2 + 350x

b.) 4x^3 - 78x^2 + 350x ≥ 240
4x^3 - 78x + 350x - 240 ≥ 0
x = 0.834, 5.438
The values of x for which the volume is greater than 240 in^3 is 0.834 ≤ x ≤ 5.438

c.) For maximum volume, dV/dx = 0
dV/dx = 12x^2 - 156x + 350 = 0
x = 2.882910931

Therefore, maximum volume = 4(2.882910931)^3 - 78(2.882910931)^2 +350(2.882910931) = 453.798 in^3
8 0
4 years ago
What is the trigonometric ratio for sin s ? enter your answer, as a simplified fraction, in the boxes. $$?
solniwko [45]
The correct answer was 8 / 17

Because
AB^2 + 60^2 = 68^2
AB^2 = 4624 - 3600 = 1024
AB   =  32
Sin S = Opp/Hyp = 32/68 = 8 / 17


(Picture)
https://static.k12.com/nextgen_media/assets/8118983-NG_GMT_O_01_U11_Quiz_DP024_54_008.jpg

(Pythagorean Theorem Calculator)
https://ncalculators.com/number-conversion/pythagoras-theor
4 0
3 years ago
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