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Prove that if the diagonals of a parallelogram are congruent, then it must be a rectangle. (Hint: you might need to use the fact that equilateral angles add up to 360°, or it’s also possible to do it with
answered
Dec 29, 2023
Mathematics
college
9
votes
513k
views
X^2+9=0 Please Factor Show the steps
answered
Jun 25, 2023
Mathematics
high-school
13
votes
192k
views
If f(x)=4x^2-3 and g9x)=x+1, find (f-g)(x)
answered
Mar 10, 2023
Mathematics
high-school
20
votes
19.8k
views
12. Write the equation of the line that is perpendicular to the line x - 4y = 20 and passes through the point (2,-5).
answered
Feb 20, 2023
Mathematics
college
6
votes
129k
views
What is the value of 12⁰?
answered
Jan 25, 2023
Mathematics
high-school
15
votes
377k
views
Khanacademy Unit: Sequences Which one of them is right?
answered
Feb 7, 2022
Mathematics
college
6
votes
57.4k
views
Can someone check my work? #8
answered
Jan 9, 2022
Mathematics
high-school
17
votes
462k
views
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