The formula for the area of a triangle is A =12bh, in which b represents the length of the base and h represents the height. If
1 answer:
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Let's expand the products they are all in the form
For the first one we have a=x and b=2i:
For the second one we have a=x-2 and b=2i:
For the third one we have a=x+1 and b=i:
Answer:
<em>The cost of 10 cm and 70 cm are £0.55 and £3.85 respectively.</em>
Step-by-step explanation:
Material for a dress costs £5.50 per meter.
We know that, <u>1 meter = 100 cm</u>.
Suppose, the cost of 10 cm material is and the cost of 70 cm material is
Now, <u>according to the ratio of "cost" to the "length of material"</u> , we will get.......
and
So, the cost of 10 cm material is £0.55 and the cost of 70 cm material is £3.85