-5 is the real part and 6i is the imaginary part. This can be determined by looking which number has the "i" attached to it.
Answer:
y-intercept=8.4
Step-by-step explanation:
Plug it into slope-intercept formula. b is the y-intercept.
1.2=-2(-3.6)+b
1.2=-7.2+b
8.4=b
Answer:
12.5 miles
Step-by-step explanation:
-3,1 is 5 away from 2,1 so 2.5 times 5 equals 12.5
Answer:
![\huge\boxed{-2i+4j}](https://tex.z-dn.net/?f=%5Chuge%5Cboxed%7B-2i%2B4j%7D)
Step-by-step explanation:
![u=-5i+2j\\\\v=-6i+4j\\\\-2u+2v=-2(-5i+2j)+2(-6i+4j)\\\\\text{use the distributive property}\\\\=(-2)(-5i)+(-2)(2j)+(2)(-6i)+(2)(4j)\\\\=10i-4j-12i+8j\\\\\text{combine like terms}\\\\=(10i-12i)+(-4j+8j)\\\\=-2i+4j](https://tex.z-dn.net/?f=u%3D-5i%2B2j%5C%5C%5C%5Cv%3D-6i%2B4j%5C%5C%5C%5C-2u%2B2v%3D-2%28-5i%2B2j%29%2B2%28-6i%2B4j%29%5C%5C%5C%5C%5Ctext%7Buse%20the%20distributive%20property%7D%5C%5C%5C%5C%3D%28-2%29%28-5i%29%2B%28-2%29%282j%29%2B%282%29%28-6i%29%2B%282%29%284j%29%5C%5C%5C%5C%3D10i-4j-12i%2B8j%5C%5C%5C%5C%5Ctext%7Bcombine%20like%20terms%7D%5C%5C%5C%5C%3D%2810i-12i%29%2B%28-4j%2B8j%29%5C%5C%5C%5C%3D-2i%2B4j)
Answer:
it'll be 65
Step-by-step explanation:
65 + 72 + 98 + 85 is 320 and that divided by 4 is 80