- Hypotenuse=H=9ft
- Base=B=2ft
Apply Pythagorean theorem
- P²=H²-B²
- P²=9²-2²
- P²=81-4
- P²=77
- P=√77
Option D
Equations:
m = k + 5
k = s + 2
m + k + s = 30
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Substitute for "m" and for "s"::
k+5 + k + k-2 = 30
3k +3 = 30
3k = 27
Kirsty has 9 marbles
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Mina has 9+5 = 14 marbles
Seb has 9-2 = 7 marbles
Answer:
Step-by-step explanation:
16-2t=t+9+4t
7=7t
t=1
Answer:
67cm
Step-by-step explanation:
Answer:
A = (1/2)(base)(height)
Step-by-step explanation:
Yes, that's correct:
A = (1/2)(base)(height)
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