Answer:
Area of the circle = 706.5 cm²
Step-by-step explanation:
Diameter = 30cm
Radius = 15cm
Area of the circle=πr²= 3.14(15)²= 3.14×225 = 706.5 cm²
Answer:
The ratio is 3/2 or 3:2
Step-by-step explanation:
we know that
To find out the ratio of letter-size paper to legal-size paper, divide the percentage of letter-size paper by the percentage of legal-size paper
so

Simplify

therefore
The ratio is 3/2 or 3:2
It’s so sis is not a or b it’s c
Answer:
39+10=49
Step-by-step explanation:
I hope this helps you.
Unfortunately, multiplying and dividing decimals this effect does not occur. In some cases, the decimal number even complicates the operatsii.Dlya beginning, we introduce a new definition. We will meet him very often, and not only in this part of uroke.Znachaschaya - is all that is between the first and the last non-zero digit, including the ends. It's only about numbers, the decimal point is not uchityvaetsya.Tsifry included in the meaningful part of the number, are called significant figures. They may be repeated or even be zero.