X² = 1/4 ⇒√⇒ x₁ = 1/2, x₂ = -1/2
Answer:
For sure 34
Step-by-step explanation:
the red lines are the same length to each letter just add those.
Answer:
(0,-5)
Step-by-step explanation:
3(4x+4y=20)
-3x-12y=-60
12x+12y=60
-3x-12y=-60
9x=0
x=0
4(0)+4y=-20
4y=-20
y=-5
Answer:
4.5miles
Step-by-step explanation:
divide 28 by 3 to get 9.333 minutes each mile
then divide 42 by 9.333 to get 4.50 miles
Answer:
z=16
Step-by-step explanation:
-7(z-6)= -70
combine -7 with the bracket
-7z + 42 = -70
-42 -42
-7z = - 112
divide both sides by -7
-7z/-7 = -112/-7
z = 16
check
-7(z-6)= -70
-7(16-6)= -70
combine
-112+42= -70
-42 -42
-112 = -112
