Answer:
The answer is -40 and -20
Answer:
-12
Step-by-step explanation:
4 1/2 - 5 1/8 = -0.625
7.5 x -0.625 = -12
A)m=40
a straight line is equal to 180 degrees so do 180-115 to get the inside part of the triangle then add that number to 75 and take the sum of that and subtract it from 180 because any triangle is equal to 180
Answer: 9
Step-by-step explanation:
To find the perimeter of the Triangle, add all 3 sides together
So 2x + 3x + 4x = 81
9x = 81
Divide both sides by 9
x=9
The shorter piece is 3/10 of the 1.5m long piece of wood.
1.5/10=0.15
0.15*3=0.45
The shorter piece is 0.45m or 45cm long.
Hope this helps :)