Answer:
a=-3
b=-9
Step-by-step explanation:
A land developer is splitting up 1.19 hectares of land to form 9 identical properties. To the nearest tenth of a hectare, what s
1 answer:
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Okay so you would use PEMDAS (parentheses, exponents, multiply, divide, add, and subtract) so there are no parentheses so you do the exponents
then you do the rest so 100+36=136 and then 136-9=127 so the answer is 127
then you do the rest so 100+36=136 and then 136-9=127 so the answer is 127
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 = )
Total surface area equals area of 5 rectangular faces + 2 pentagonal faces
Area of 5 rectangular faces
Area of 2 pentagonal faces can be found by drawing 5 isosceles triangles with height as shown in the diagram and multiply the result by 2.
The toatal surface area is
The correct answer is A
