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04.11.2020 •
Mathematics
How do i solve for x and y?
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Ответ:
x= 28
y= 29
Step-by-step explanation:
according to properties of triangle
(2x-11)=45°
2x= 45+11
2x= 56
x= 56/2
x= 28
as the lines as equal the angles are equal too
(y+16)= 45°
y= 45-16
y= 29
Ответ:
Y= 29 that should help
Ответ:
x + 4 = 0
x = - 4
=> Substitute - 4 for x in 3x² - x - 2, i.e.
3(- 4)² - (- 4) - 2
= 3 * 16 + 4 - 2
= 48 + 4 - 2
= 52 - 2
= 50 ...
-4|----3----(-1)----(-2)
-------------(-12)------52
________________
------3------(-13)----50