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Vesnalui [34]
3 years ago
14

Solve the System. Give answer as (x, y, z). 1x –3y+4z=12 2x+3y-5z=-10 - 4x + 3y + 6z=22

Mathematics
1 answer:
MrRa [10]3 years ago
3 0
(2,2,4)
Hint: Use row operations to identify the values for (X,Y,Z) and check on a graphing calculator. It’s exhausting, but you can check using the RREF tool. :)
Hope that helps.
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Solve This Using The Quadratic Formula: 3x^2+9x-6=0
aivan3 [116]
<h3>Therefore either  x = \frac{-3+\sqrt{17}}{2}    or,  x = \frac{-3-\sqrt{17}}{2}</h3>

Step-by-step explanation:

3x^2 +9x -6=0                                x = \frac{-b\pm\sqrt{b^2- 4ac} }{2a}

\Leftrightarrow x = \frac{-9\pm\sqrt{9^2- 4.3(-6)} }{2.3}                     here a = 3 ,b = 9 and c= -6

\Leftrightarrow x = \frac{-9\pm\sqrt{153} }{6}

\Leftrightarrow x = \frac{3(-3\pm\sqrt{17}) }{6}

\Leftrightarrow x = \frac{-3\pm\sqrt{17}}{2}

Therefore either  x = \frac{-3+\sqrt{17}}{2}    or,  x = \frac{-3-\sqrt{17}}{2}

4 0
4 years ago
Use the order operations<br><br><br> 27+6(2X2-1) 4x2-5
Andrei [34K]
27+6(2*2-1)4*2-5
2*2=4
27+6(4-1)4*2-5
4-1=3
27+6(3)4*2-5
6*3=18
27+(18)4*2-5
18*4=72
27+(72)*2-5
72*2=144
27+(144)-5
27+144+171
171-5=166

So the answer is 166.
5 0
4 years ago
What is the y-intercept of the Line y=3/4x + 2
bixtya [17]

Answer:

Step-by-step explanation:

5 0
3 years ago
Hey hi hello whats up can someone help me with this please??........ thank you! :)​
astra-53 [7]
Answer:
6.79
Step-by-step explanation:
the 9 in the thousand makes the 8 in the hundredth place go up
3 0
3 years ago
Read 2 more answers
What is the measure of angle x , rounded to the nearest hundredth?
rosijanka [135]

Answer:

The correct answer is option 1

23.96°

Step-by-step explanation:

Tan ∅ = Opposite side/Adjacent side

From the given figure we can see that it is a right angled triangle.

<u>To find the value of x </u>

Tan ∅ = Opposite side/Adjacent side

Opposite side = 4

Adjacent side = 9

Tan x = 4/9 = 0.4444

x = tan⁻¹ (0.4444) = 23.9624 ≈ 23.96°

Therefore the correct answer is first option.  

23.96°

5 0
3 years ago
Read 2 more answers
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