Answer:
7/20
Step-by-step explanation:
Seventh grade: Total = 3 + 7 = 10
Number of boys = 7 boys
Probability of a boy being picked = 7/10
Eighth grade: Total 5 + 5 = 10
Number of boys = 5
Probability 5/10 = 1/2
The probability of the correct outcome = 7/10 * 1/2 = 7 / 20
Answer: 7 / 20
Answer: third one
Step-by-step explanation:
Answer:
b is correct for Maria but c is correct for the boy
Answer:
Area of parallelogram: 1/2×h×sum of base lengths
Property of parallelogram: 2 parallel sides
Area = 1/2×4×(9+9)
= 36 cm^2
2 * (2a + b) + 8 = 4a + 2b + 8
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A. =
B. =
C. ≠ 4* (a + b + 2) = 4a + 4b + 8
D. =
