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LenKa [72]
3 years ago
5

Please help me with this! ( links = report )

Mathematics
1 answer:
masya89 [10]3 years ago
6 0

Answer: 8.5 in

b = 2 A/h﹣a

b = 2 (26.5/5) - 2.1

b = 2 (5.3) -2.1

b = 10.6 - 2.1

b = 8.5

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The low temperatures for 5 days was 5, -2, -11 ,0 and-3.What was the average low temperature for those days
Daniel [21]
Data:
Average (A): ?
Arithmetic mean (A.M) = 5, -2, -11, 0, -3sum of n numbers = 5

Solving:
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Answer:

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3 0
3 years ago
A log is 20 m long, correct to the nearest metre.
Marat540 [252]

Answer:

222 fence posts

Step-by-step explanation:

Since the log is 20 m long, correct to the nearest metre and has to be cut into fence posts which must be 90 cm long, correct  to the nearest 10 centimetres, there can be x fence posts 90 cm long.

So, we have x × 90 cm = 20 m

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4 0
3 years ago
Given 2x² = -8, x is
DanielleElmas [232]

Answer:

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x²= 4

x= √4

x= 2

So, the value of x is 2

8 0
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