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ss7ja [257]
3 years ago
8

3x%2B5%7D%20%5Catop%20%7By%3D-4x%2B7%7D%7D%20%5Cright.%5C%5C%5C%5C%5Ctext%7BThank%20you.%7D" id="TexFormula1" title="\text{Solve the system of equations:}\\\\\left \{ {{y=3x+5} \atop {y=-4x+7}} \right.\\\\\text{Thank you.}" alt="\text{Solve the system of equations:}\\\\\left \{ {{y=3x+5} \atop {y=-4x+7}} \right.\\\\\text{Thank you.}" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Anika [276]3 years ago
4 0

Hi there!  

»»————- ★ ————-««

I believe your answer is:  

(0.286, 5.587)

»»————- ★ ————-««  

Here’s why:  

⸻⸻⸻⸻

  • I have graphed the two equations in a program. When graphed, the lines intersect at point (0.286, 5.587).
  • See the graph attached.

⸻⸻⸻⸻

»»————- ★ ————-««  

Hope this helps you. I apologize if it’s incorrect.  

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ser-zykov [4K]

Answer:

D

Step-by-step explanation:

A is incorrect because if 1 x value corresponds to multiple y values, it is not a function

B is incorrect for the same reason as a

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8 0
3 years ago
PLEASE HELP !!!
olga55 [171]

Answer:

B: x=-2

Step-by-step explanation:

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3 years ago
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yaroslaw [1]
21.50+0.25r =22.25.
4 0
3 years ago
What are the possible values for x in the equation 4x^2=64
Degger [83]

                                  <u> 4 x²  =  64</u>

Divide each side by  4 :     x² = 16

Take the square root
of each side:                     x = √16

                                   x = <em>+ 4</em>
and
                                   x = <em>- 4</em> .


4 0
3 years ago
Read 2 more answers
If 2tanA=3tanB,then prove that tan(A-B)=sin2B/(5-cos2B) ...?
andreev551 [17]
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= ( sin 2 B ) / ( 5 + 1 - 2 cos² B )=
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= ( sin 2 B ) / ( 5 - ( cos² B - sin² B ) ) =
= ( sin 2 B ) / ( 5 - cos 2 B )  - correct 
8 0
2 years ago
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