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Answer:
17
Step-by-step explanation:
To evaluate the expression substitute x = - 1 and y = 3 into it
3(- 3)² - 2(- 1) - 12
= 3 × 9 + 2 - 12 = 27 + 2 - 12 = 29 - 12 = 17
9 is to 36 as 10 is to 40 -is how you should write the proportion 9:36 = 10:40 using words.
Answer:
11.66
Step-by-step explanation:
Pythagorean theorem: a^2+b^2=c^2
6^2+10^2=c^2
36+100= c^2
sqrt(136)= sqrt(c)
c= 11.66