Answer:
x=21/5
Step-by-step explanation:
5x:9 = 7:3
Turn the ratios into fractions:
5x/9 = 7/3
Then cross mutiply
15x=63
x=21/5
Answer:
4.9
Step-by-step explanation:
24.50 divided by 5 is 4.9
Answer:
£17696
Step-by-step explanation:
28*32= 896
896*19.75= 17696
Answer:
: c2 = a2 + b2 - 2ab cos C
c²=20²+15²-2×15×20×cos50
c²=400+225-600×0.64
c²=241
c=√241=15.5ft