Answer:
72.91
Step-by-step explanation:
100% is 67.82
1% is 67.82/100 = 0.6782
100%+7.5%= 107.5%
so, multiply!
0.6782 x 107.5 = 72.9065
round it up to 72.91
I agree that the article should not be used to the link to this page
Answer:
1. 2<u>+</u>sqrt(102)
2. 5<u>+</u>sqrt(5)
3. No Solution
4. No Solution
Step-by-step explanation:
1. r^2-4r+4-91=7+4 r^2-2r-2r+4 (r-2)^2-91=11 (r-2)^2=102 r-2=<u>+</u>sqrt(102)
1. x^2-10x+25+26=8+25 x^2-5x-5x+25 (x-5)^2+26=33 (x-5)^2=5 x-5=<u>+</u>sqrt(5)
1. k^2-4k+4+1=-5+4 k^2-2k-2k+4 (k-2)^2+1=-1 (r-2)^2=-2 No Solution
1. b^2+2b+1=-20+1 b^2+b+b+1 (b+1)^2=-19 No Solution
Answer:
variable, In algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation. Commonly used variables include x and y (real-number unknowns), z (complex-number unknowns), t (time), r (radius), and s (arc length).
