Answer: The fourth option, 54°
Step-by-step explanation:
In the graph we can see that we have a triangle rectangle.
I will call each angle as the letter where it is located, the bottom angle is D, the upper left angle is C and the upper right angle is B (this last one is the angle we want to find)
This means that if the bottom angle, the angle located at D, is equal to 36°, we have that the angle located at C is equal to 90°.
And as you know, the sum of all the internal angles of a triangle must be equal to 180°, so we have:
D + C + B = 180°
90° + 36° + B = 180°
B = 180° - 90° - 36° = 54°
The correct option is the fourth one.
Answer:
1
Step-by-step explanation:
anything with an exponent of 0 is equal to one. ex. 4^0=1, 20^0=1.
Answer:
62 sq in of wall is covered
Step-by-step explanation:
6 x 14 = 84 -22 = 62
this is for the total
4 x 4 = 16
this is for the inches of the inside wall
2 x 3 = 6
this is for the inches of the outside wall
Answer:
9z^2+4x+1
Step-by-step explanation:
Remove parentheses.
7{x}^{2}+4x-1+2{x}^{2}+2
7x
2
+4x−1+2x
2
+2
2 Collect like terms.
(7{x}^{2}+2{x}^{2})+4x+(-1+2)
(7x
2
+2x
2
)+4x+(−1+2)
3 Simplify.
9{x}^{2}+4x+1
9x
2
+4x+1
