Answer:
10
Step-by-step explanation:
6²+8²
=100
√100
=10
quadratic formula:
x = <u>-b ± √(b² - 4ac)</u>
2a
7x² - x = 7
subtract 7 from both sides:
7x² - x - 7 = 0
plug values into the quadratic formula:
x = <u>-(-1) ± √((-1)²- 4(7)(-7))</u>
2(7)
simplify:
x = <u>1 ± √(197)</u>
14
Answer:
77.5 cm
Step-by-step explanation:
15.5km* 5 cm on map/ 1 actual km= so 77.5 cm
if my answer helps please mark as brainliest.
Answer:
(9,-3)
Step-by-step explanation:
First you write what the vectors are, then you subtract z from w by subtracting their corresponding values <-4-3,1-4>= <-7,-3>, then to get subtracting the next answer you subtract w from z which is <3--4,4-1> = <7,3>