Q: What is 11x9?

Write your answer...

Submit

Still have questions?

Continue Learning about Other Math

99

9x11

11x1=11 11x2=22 11x3=33 11x4=44 11x5=55 11x6=66 11x7=77 11x8=88 11x9=99 11x10=111 Get the point?

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37

No, that is not true. While many do, such as 18: 1+8=9. 72: 7+2=9. 117: 1+1+7 = 9, we look at 11x9 which is 99. The sum of the digits is 18. Of course if we look at much larger multiples of 9, such as 111x9 we can easily see this is not always true. We can look at the first 10 multiples of 9 not including 0, we have 9, 18, 27,36,45, 54, 63, 72, 81, 90 all of which are numbers whose digits that add up to 9. So it works for multiples of 9 less than 99 because that is the next multiple and the first one that fails.

Related questions

99

9x11

11x9=99 so it is composite, as it has more than two factors.composite

sure, you realize that 99 is 11x9 so the prime factorization is 32 x 11

11 and 9 is a factor pair for 99. 11 and x^9 is a factor pair for 11x^9.

11x1=11 11x2=22 11x3=33 11x4=44 11x5=55 11x6=66 11x7=77 11x8=88 11x9=99 11x10=111 Get the point?

If the room is 9 yards wide by 12 yards long, then 108 square yards.

Expressions within parenthases (brackets) should be done first. Then each operation should be done in turn from left to right. Therefore 4+7x(5+4) would be 4+7x9 and then 11x9 =99.

If you're talking about the plastic canvas that you work with using a needle and yarn, it usually comes in sheets that are 11x9 inches, but you can cut to a size you need or order it specially at a certain size... I think... but when I need it to be longer I just sew two pieces together.

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37

For carpeting a floor you would need to find the area. So guessing your room is a square you multiply the length x width (It doesn't matter which order you multiply the two numbers in) So..... 11x9=99

Shan't. I don't mind helping genuine enquiries - there are many topics in maths that baffle me - but I'm not doing other people's homework. Besides, using a calculator is far quicker and easier than typing it in here then waiting for someone to work out what you should clearly be able to work out! In fact it's solvable mentally by using 11 = 10 + 1.