Answer:
x=9
Step-by-step explanation:
FE is 3x-7
since ΔABC≅ΔDEF the equivalent of FE is CB, or BC...which is 20
3x-7=20
3x=27
x=9
100+75+70+x= 360° (sum of interior angles of quadrilateral)
x= 360-245= 115°
Answer:
7x
Step-by-step explanation:
4x ( linear function) + 3x ( linear function) = 7x
Answer:
28x-35
Step-by-step explanation:
4x*7=28x
5*7=35
Answer:
435.2kg (1DP)
Step-by-step explanation:
0.64x680
64 divided by 100 = 0.64