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1 year ago

The side of an equilateral triangle is given as 8 cm, correct to the nearest centimetre. What is the least possible length of it

s perimeter?

Mathematics

1 answer:

artcher [175]1 year ago

7 0

$\textsf {21 cm}$

$\textsf {If it is correct to the nearest centimeter, then the least side length}\\\textsf {would be 8 - 1 = 7 cm. }$

$\textsf {Then, the least possible perimeter would be :}$

$\mathsf {7 \times 3}$

$\textsf {21 cm}$

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3 years ago

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Answer:

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Step-by-step explanation:

We are given the following data

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Mean = 26+ 26+ 21+ 22+20+25+ 35/7

= 175/7

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Step 2

We find the Standard Deviation

The formula for Standard deviation that we would use is the Population Standard deviation, this is because the data given above is the data of the number of pounds of trash collected by each teenager

= √(x - Mean)²/n

= √(26 - 25)²+( 26 - 25)²+ (21 - 25)²+ (22 - 25)² +(20 - 25)²+(25 - 25)²+ (35 - 25)²/7

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2 years ago

Read 2 more answers

1. What is the slope of a line that is perpendicular to the x-axis

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Answer:

The slope of a line that is perpendicular to the x-axis is undefined.

Step-by-step explanation:

We know that the x-axis is a horizontal line.

We also know a line that is perpendicular to the x-axis is basically a vertical line.

As the slope of a perpendicular line is undefined because no matter what the value of y is, the x-value remains the same.

Therefore, the slope of a line that is perpendicular to the x-axis is undefined.

For example, the slope between (1, 2) and (1, 4) is:

Using the slope formula

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Answer:

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Probability (None fails) =0.927369

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Step-by-step explanation:

given data

Probability (fail) P = 0.037

two alternators is independent

solution

we get here first probability that both will fail will be

Probability (Both fail) = 0.045² ................1

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and

now we get probability that neither will fail

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and

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