3 years ago

‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️Please someone find the kindness in their heart to help me please!

2 answers:

8 0

Since there is 180 degrees in a right triangle set up a equation
30+2x=180
-30. -30
——————-
2x= 150
—————
2. 2
X= 75

But they made an error it is supposed to be x=75 plug in to check

dezoksy [38]3 years ago

3 0

The answer is 30
You multiply 2 x 30 which is 60 and 60 + 30 = 90
hope this helps :D

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Step-by-step explanation:

Take one polynomial from the other means to perform the sub.traction of them. Recall that it is better to use grouping symbols when subtracting polynomials, so we get the signs right when combining like terms:

The indicated subtraction is: $y^3-6y^2+5y - (2y^2-3y-5)$

Make sure that before removing the grouping symbol (parenthesis) that is preceded by a negative sign, we change the signs of every term inside it. Then combine like terms to get the final answer:

$y^3-6y^2+5y - (2y^2-3y-5)=\\=y^3-6y^2+5y-2y^2+3y+5=\\=y^3-6y^2-2y^2+5y+3y+5=\\=y^3-8y^2+8y+5$