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4 years ago

8

A room measures 14 feet by 16 feet. The blueprint for the room has a scale of 1/2 inch:2 feet. What are the dimensions of the ro

om on blueprint's?

2 answers:

Oksanka [162]4 years ago

8 0

Room will measure 3.5x4

Yanka [14]4 years ago

3 0

On the blue print, the room will measure 3.5 inches by 4 inches

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Weekly wages at a certain factory are

Furkat [3]

Answer: 0.1359

Step-by-step explanation:

mean = $400

Standard deviation = $50

Since the wages is normally distributed , the first thing is to find the z - score.

z = $\frac{x-mean}{standard deviation}$

finding the z - value for 300 and 350 , we have

z = $\frac{300-400}{50}$

z = $\frac{-100}{50}$

2 = -2

also

z = $\frac{350-400}{50}$

z = $\frac{-50}{50}$

z = -1

The next thing is to check the calculated value on z - table.

From z - table :

P (z $\leq$ -2 ) = 0.0228

P ( z $\leq -1$ ) = 0.1587

combining the two

P ( -2 $\leq$ z $\leq$ -1 ) = 0.1587 - 0.0228

P ( -2 $\leq$ z $\leq$ -1 ) = 0.1359

Therefore , the the probability that a worker

selected at random makes between

$300 and $350 = 0.1359

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3 years ago

An orange has about 1/4 cups of juice.Hiw many Oranges are needed to make 2 1/2 cups of juice?

marysya [2.9K]

Answer:

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Step-by-step explanation:

4/4 = 1

so 4/4 + 4/4 = 2

and 1/2 = 2/4

then add

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