Answer:
23 and 131
Step-by-step explanation:
For the first one. Since a whole entire angle thingie is 360, subtract 243 and 94 from 360. Answer is 23 :)
For the second one. This is a supplementary angle. 180- 49 is 131. Your done!
Answer:
13, 17, 19, and 23
Step-by-step explanation:
13+17+19+23=72
Explanation is in the file
tinyurl.com/wpazsebu
Answer:
Sarah is correct
Step-by-step explanation:
Required
Which of the students is correct
Let a number be x,
Given what the teacher asked the students to do, the solution is:
Only Sarah got this correctly; others are incorrect.
The proof is as follows.
For Sarah
So, the numbers will be: 1416, -1416 and 1416
<em>Other students are incorrect</em>
D>0 that means it has two real solutions (unequal).
<span>It can have one solution only if D=0 and complex solutions only if D<0. </span>
<span>D means discriminant
Answer: B it has two real solutions
hope this helps :)</span>