3 years ago

Help plz. No links. What is 8.21 times 4.2? Show your work.

Mathematics

2 answers:

worty [1.4K]3 years ago

7 0

Answer:

34.482 is the answer to your question

bulgar [2K]3 years ago

6 0

Answer: 34.482

Explanation:
Line up the numbers on the right
Starting in the right, multiple each digit in the top number by each digit in the bottom number, just as with whole number.
Add the products

Hope this helped! It’s hard to show my work on here

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Using x as the variable, write a formula to find the perimeter of the figure. Use the formula to find the perimeter. a regular d

Mamont248 [21]

Answer:

c. 12x; 111 cm

Step-by-step explanation:

The regular dodecagon has 12 sides. Each side has a length of x=9.25 cm, and we know that the perimeter of the figure is the sum of the lengths of all the sides: Therefore, since we have 12 sides, the perimeter will be given by the product between the length of each side, x, and the number of sides, 12:

$p=12 \cdot x$