3u + 4u + 2u = 9u
9u = 90
1u = 90/9 = 10
since black is 2u ( from the ratio given)
2u = 10 x 2 = 20
Answer : 20cm of the pole is painted black.
The bar diagram is in the picture :)
Step-by-step explanation:
the right answer is A option
Answer:
Step-by-step explanation:
9:x = x :4
Product of mean = product of extremes
x *x = 9*4
x² = 36
x² = 6²
x = 6
Answer: squareroot of 58
You can solve this problem simply by using the <u>distance formula .</u> Using the distance formula we can solve this problem by just placing the numbers and then solving the equation.