Answer:
k=13
Step-by-step explanation:
19 + 12k = –k − 20
19+20=39=13k
k=13
Answer:
The ratio of the lengths of corresponding sides
of two similar hexagons is 4:7. Find the ratios of their AREAS.Step-by-step explanation:
Answer:
9%
Step-by-step explanation:
Probability of the first person being selected is 4/12 and the probability of the second person being selected is 3/11
The probability of both is:
4/12 x 3/11
= 1/11 which is 9%
Answer:
5⁴a²
Step-by-step explanation:
(5³a³)÷5a-¹×5-²a²
5³a³÷5a-¹×5-²a²
5³a³÷5¹-²×a-¹+²
5³a³÷5-¹a
5³a³/5-¹a
5³-(-¹)a³-¹
5⁴a²
Answer:
m∠7 = 64°
Step-by-step explanation:
∠7 and ∠8 are supplementary meaning they add up to 180°.
m∠7 + m∠8 = 180°
m∠7 + 116° = 180°
m∠7 = 64°