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how do i solve 4x-9=k for x?
4x-9=k 4x=k+9 Divide by 4 to isolate the x x=(1/4)k+(9/4) x=1/4 k+ 9/4
What is K 9?
is multiplication , so you multiply like k(9)=36 then k would equal k=4 because you divide 9 by 36 and it equals =4
Divide 63kg in the ratio 1 4 2?
Let x be the unit part, so the parts will be 1x, 2x, and 4x, and we'll have: x + 2x + 4x = 63 7x = 63 x = 9 2x = 2 x 9 = 18 4x = 4 x 9 = 36 Thus, we can divide 63 kg in the ratio 1: 2: 4 as 9 kg, 18 kg, and 36 kg.
How many 4 digit numbers that are multiples of 9?
Well, honey, to find the number of 4-digit multiples of 9, you just need to divide the largest 4-digit multiple of 9 (9999) by 9 and subtract the smallest 4-digit multiple of 9 (1008) divided by 9. So, 9999 ÷ 9 - 1008 ÷ 9 = 1111 - 112 = 999. That's right, there are 999 4-digit numbers that are multiples of 9.
Finding the average the 3 numbers?
Add the 3 numbers together and divide that answer by 3. Example: The average of 2, 4, and 9. Average = (2+4+9)/3 = 15/3 =5.
