3 years ago

Which diagram shows lines that must be parallel lines cut by a transversal?

Mathematics

2 answers:

eimsori [14]3 years ago

7 0

9514 1404 393

Answer:

2 horizontal lines are intersected by another line. At the intersection with the first line, the bottom right angle is 91 degrees. At the intersection with the second line, the top right angle is 89 degrees.

Step-by-step explanation:

The last of the statements describes consecutive (same-side) interior angles at the transversal that are supplementary. That condition exists when the lines are parallel.

geniusboy [140]3 years ago

6 0

Answer:

Step-by-step explanation:

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3 years ago

One solution of x^2-25=0 is 5. What is the<br> other solution?<br> Enter the correct answer.

Serga [27]

Answer:

<h2>The other solution: x = -5</h2>

Step-by-step explanation:

$x^2-25=x^2-5^2\qquad\text{use}\ a^2-b^2=(a-b)(a+b)\\\\=(x-5)(x+5)\\\\x^2-25=0\to(x-5)(x+5)=0\iff x-5=0\ \vee\ x+5=0\\\\x-5=0\qquad\text{add 5 to both sides}\\x=5\\\\x+5=0\qquad\text{subtract 5 from both sides}\\x=-5$