3 years ago

The manager of a supermarket records the waiting times of 100 customers.

Mathematics

1 answer:

Arte-miy333 [17]3 years ago

8 0

Answer:

42, 80, 91, 40.5, 256

Step-by-step explanation:

times the f column by the x column

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omeli [17]

Answer:

The square root of this value is 171

Step-by-step explanation:

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2 years ago

9 – 2x = 19<br> What is x

iren2701 [21]

9-2x=19

or,-2x=19-9

or,-2x=10

or,x=10/-2

therefore,

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3 years ago

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What is the percentage of "85% of 78.00?" (Also needs calculation)

Tatiana [17]

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3 years ago

The area of a circle is 39.62cm2.<br> Find the length of the radius rounded to 2 DP.

Shkiper50 [21]

Using the formula for area of a circle:

Area = pi x radius^2

Replace area with the given value:

39.62 = pi x radius^2

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Solve for radius by taking the square root of both sides

Radius = sqrt(12.62)

Radius = 3.55 cm

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3 years ago

If x and y are both negative when is x-y positive

Vladimir [108]

X-y is positive when y is further away from 0, compared to x. In other words, when y is a larger negative

For example
x = -2
y = -5

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7 0

3 years ago