Answer:
67°
Step-by-step explanation:
A right angle = 90°
90° - 23° = x° = 67°
Answer:
(0,-3)
Step-by-step explanation:
2x-y = 3
x+2y = -6
Multiply the first equation by 2 so we can eliminate y
2(2x-y =3)
4x -2y = 6
Add this to the second equation
4x -2y = 6
x+2y = -6
-----------------
5x +0y = 0
x = 0
Now find t
x+2y = -6
0+2y = -6
2y =-6
Divide by 2
y = -3
Answer:
She should find the squares between 4.2 and 4.3
Step-by-step explanation:
The square of 4.2 was too low and the square for 4.3 was too high so the answer is between the two.
Answer:
20
Step-by-step explanation:
40 - 15 = 25
25/1.25=20
18·8.7= 156.6
23·56.1= 1290.3
47·5.92=278.24
