Answer:
0.4
Step-by-step explanation:
33+72+55+20=180
probability of choosing of choosing a maths teacher=72/180
=0.4
9514 1404 393
Answer:
a ≈ 4.68
Step-by-step explanation:
The law of cosines tells you ...
a² = b² +c² -2bc·cos(A)
a = √(b² +c² -2bc·cos(A))
a = √(5² +8² -2·5·8·cos(33°)) = √(25 +64 -80·0.83867) ≈ √21.906
a ≈ 4.68
Answer:
ty I need points your the best
Step-by-step explanation:
.
Answer:
8
Step-by-step explanation:
k + 9 = 17
subtract 9 from both sides:
k = 8
<span>The diagonals are congruent.
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