Answer:
x = 100°
y = 125°
z = 55°
Step-by-step explanation:
A straight line is 180°
A triangle is 180°
Solve in this order:
X: 180 - 80 = 100
Z: 180 - 80 - 45 = 55
Y: 180 - 55 = 125
Answer: A) 40%
B)30%
Step-by-step explanation:
A) becase 4/9 as a percentage is 0.444444% and I rounded it to 0.4% then turned it into 40% cause its outta 100
MARK AS BRAINLEIST
0 or if maybe another 0 for two ZER0s
Let pc be pencils, and pn be pens. Then:
5pc+pn=250
pc+2pn=185
Then
10pc+2pn=500
pc+2pn=185
9pc=315
pc=35
pn=75
Pencils are 35 cents; pens are 75 cents
Answer:
(2 × 16) - 1
Step-by-step explanation:
31 = 2n - 1
31 + 1 = 2n
32 = 2n
16 = n
therfore, 31 can be written as :-
<h3>31 = (2 × 16) - 1</h3>