Answer:
-7.2
Step-by-step explanation:
-3 (1.2) 2= -3×1.2×2
-3×1.2×2
-3.6×2
-7.2
-3 (1.2) 2= -7.2
Answer:
id say just try your best or guess
Step-by-step explanation:
ouu try to put it in a calculator but uhm my answer would be a
Answer:
153 coins will be there.
Step-by-step explanation:
The number of coin in the bottom row / or last row = 17
The number of coins in the second last row = 16
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The number of coins in the second row = 2
The number of coins in the first row = 1
So the total number of coins = (Number of coin in the first row) + (Number of coins in the second row) + (Number of coins in the third row) + ....... + (Number of coins in the last row / seventeenth row)
Total number of coins = 1+2+3+....+16+17
Total number of coins =
(NOTE: Sum of first n natural number = )
Answer:
c. 590.77
Step-by-step explanation:
on e2020 :)
Answer:
c = 81.7 m
Step-by-step explanation:
a = πr²
530.93 = πr²
r² = 530.93/π
r² = 169
r = 13
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c = 2πr
c = 2π(13)
c = 81.7