If you choose a blue marble first its the probability of 3/12 simplified to 1/3 and then the probability of choosing a red next is 5/11 as you didnt replace the one blue marble
1/10 assuming there is are 10 typos in total
Answer:
2
Step-by-step explanation:
only made $9 so one cup is $3 so two cups equal $9
Answer:
∠B = 54 °
Step-by-step explanation:
If sum of two angles add up to 180°, then the two angles are called supplementary.
m∠A + m ∠B = 180°
7x + 7 + 4x - 14 = 180
7x + 4x + 7 - 14 = 180
11x - 7 = 180
11x = 180 + 7
11x = 187
x = 187 ÷ 11

m∠B = 4x - 14
= 4*17 - 14
= 68 - 14
