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3 years ago

7

In mathematics department of a college has 9 male professors 15 female professors 13 Male teaching assistance and 10 female teac

hing assistance if a person is selected at random from a group find the probability that the selected person is a professor or male

1 answer:

Zinaida [17]3 years ago

4 0

Answer:

hdhdhddjxjsiaaknsnxxusnnsndjdjdusosksndbhxuchxbs

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The fourth option is the correct answer

Step-by-step explanation:

The given expression is

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To find the surface area of the pyramid, in square inches, Vikram wrote (33.2) (34.2) + 4 (one-half (34.2) (28.4)). What error d

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B. He used the wrong expression to represent the area of the base of the pyramid.

Step-by-step explanation:

Given

See attachment for pyramid

$Area = (33.2)(34.2) + 4 * \frac{1}{2} * 34.4 * 28.4$

Required

Vikram's error

The surface area of a square pyramid is:

$Area = Base\ Area + 4 * Area \triangle$

Where

$Base\ Area = Length * Length$

$Base\ Area = 34.2 * 34.2$

$4 * Area \triangle = 4 * \frac{1}{2} * Base * Height$

$4 * Area \triangle = 4 * \frac{1}{2} * 34.2 * 28.4$

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$Area = Base\ Area + 4 * Area \triangle$

$Area = 34.2 * 34.2 + 4 * \frac{1}{2} * 34.2 * 28.4$

By comparing the calculated expression with

$Area = (33.2)(34.2) + 4 * \frac{1}{2} * 34.4 * 28.4$

Option (b) is correct

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