31.75 as an improper fraction is 127/4. The mixed number fraction is 31 3/4.
Answer:
so that's how you plot their intersection
Answer:
0.15
Step-by-step explanation:
Answer:
30°
Step-by-step explanation:
∠A + ∠B + ∠C = 180
∠B = ∠A + 20
∠C = 2 * ∠B
<A + (∠A + 20) + (2 * ∠B) = 180
<A + (∠A + 20) + (2 * (∠A + 20)) = 180
<A + (∠A + 20) + 2∠A + 40 = 180
4∠A + 60 = 180
4∠A = 120
∠A = 30
Answer:
She could have subtracted 19 from both sides. Hope this helps :)
Step-by-step explanation:
