84
Step-by-step explanation:
You turn 3 1/2 into a decimal which is 3.5. Then, you multiply the 3.5 by the 24 boards to get how many ft long all the boards together will be.
H/1000 = tan(65°)
h = 1000*tan(65°) ≈ 2145 . . . . ft
The helicopter is about 2145 ft high.
Answer:
22.5 cm
Step-by-step explanation:
9 inches=9×2.5 cm =22.5 cm
Answer:
A= 9
D=10
Step-by-step explanation:
a=d-1
9=d-1
10=d
Answer:
Table C
If the bacteria population triples every hour, it must multiply by three each time.
Table C fits this pattern
y | 1 | 3 | 9 | 27 | 81 | 243 | 729
1×3=3, 3×3=9, 9×3=27 etc.