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Soloha48 [4]
3 years ago
14

Can someone help please?

Mathematics
1 answer:
alina1380 [7]3 years ago
5 0

Answer:

(-1, 3)

Step-by-step explanation:

The given equation is 2x + y = 5.

Test whether (-1, 3) is a solution.  To do this, substitute -1 for x and 3 for y.  Does 2(-1) + 3 = 5?  No, it does not.  So this could be the correct answer choice.

Test whether (6, -7) is a solution.  Is 2(6) - 7 = 5 true?  Yes, it is.  So this is not a correct choice.

Test whether (3, -1) is a solution.  Is 2(3) -1 = 5?  Yes, it is.  So this is not a correct choice.

Summary:  The only answer choice that does NOT satisfy the given equation is the first one:  (-1, 3).

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Which angles are complementary<br> to &lt;2. Select all that apply.
KiRa [710]

Answer:

∠1 only

Step-by-step explanation:

Complementary angles:

  • sum to 90°
  • form a right angle

The only angle (that's an answer choice) that helps form a right angle with angle 2 is angle 1, thus making it the correct answer.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

 ~ ren ⚘

4 0
2 years ago
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11Alexandr11 [23.1K]

Answer:

The awnser is D hope this helps :)

Step-by-step explanation:


4 0
3 years ago
If m∠XWY = 20, m∠XWZ = 40, and XY = 16, what is the value of YZ? Three rays extend out from W through X, Y, and Z. Segments are
Korvikt [17]

Answer:

YZ=16

Explanation:

XWY=20 XWZ=40, XWY is half of XWZ, which means ZWY =20. Now you can say that the triangles are congruent through the AAS postulate, so you know that YZ-16 because of CPCTC

5 0
3 years ago
Which inequality shows the situation?<br> Mary's elevation is more than - 10 feet.
tatuchka [14]

Answer:

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5 0
3 years ago
Holes <br> X=<br><br> Vertical Asymptotes<br> X=
eduard

Answer:

<h2>x = -9 and x = -10</h2>

Step-by-step explanation:

f(x)=\dfrac{x^2+11x+18}{x^2+19x+90}\\\\\text{DOMAIN:}\\\\x^2+19x+90\neq0\\\\x^2+9x+10x+90\neq0\\\\x(x+9)+10(x+9)\neq0\\\\(x+9)(x+10)\neq0\iff x+9\neq0\ \wedge\ x+10\neq0\\\\x\neq-9\ \wedge\ x\neq-10

\\\\\text{Therefore the vertical asymptotes are:}\\\\x=-9\ and\ x=-10.

7 0
3 years ago
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