A^2 + b^2 = c^2
a^2 + 15^2 = 17^2
a^2 + 225 = 289
a^2 = 289 - 225
a^2 = 64
a = sqrt 64
a = 8 cm
Answer:
the number you're looking for is 9.5
Step-by-step explanation:
4x-7 = 12+2x
2x-7 = 12
2x = 19
x = 9.5
Step-by-step explanation:
7 raised to -1 - 8 raised to -1 whole raised to -1 is 56
3 raised to -1 - 4 raised to -1 whole raised to -1 is 12
8/3 = 2.66 repeated yards