Step-by-step explanation:
1) -5x<35
we divide both sides by 5
-5x/5<35/5
-x<7
we divide both sides by-1 to remove the negative sign
-x/-1<7/-1
x<7/-1
2) 2x>-42
we divide both sides by 2
2x/2>-42/2
x>-21
3) x/3≤-7
we multiply by 3 and we cancel 3
3(x/3)≤3(-7) we cancel the 3
x≤-21
4) x/-4≥-4
we do the same thing
x≥1
<em>Answer:</em>
–6.8
<em>Method:</em>
Counting backwards from –7 to –6.5
Answer:
D
Step-by-step explanation:
You started at level ground and then went deeper which represents the negatives. After you stick a five foot pole in there it sticks up 2 feet.
You multiply them just as you would multiply any normal polynomials, except there is a special rule. Since we know that i = √-1, the rule is that i² = -1. So, let's multiply:
Let's simplify this:
Therefore, your answer is 96 + 22i.
