3 years ago

Estimate the area of the parallelogram.

2 answers:

6 0

Count the full square units, and then estimate the portions of units. There are 60 sq. units and 24 halves, making a total of 72 square units. hope this helps you.

lisov135 [29]3 years ago

5 0

The answer to this is C. 72

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The weekly earnings of students in one age group are normally distributed with a standard deviation of 47 dollars. A researcher

ELEN [110]

Answer:

Option D) 340

Step-by-step explanation:

We are given the following in the question:

Alpha, α = 0.05

Population standard deviation, σ = $47

Margin of error = 5

95% Confidence Interval:

$\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}$

$\text{Margin of error} = z_{critical}\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

$5 = 1.96(\dfrac{47}{\sqrt{n}} )\\\\\sqrt{n} = \dfrac{47\times 1.96}{5}\\\\n = 339.443776\\\Rightarrow n \approx 340$

Thus, the correct answer is

Option D) 340

7 0

3 years ago

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disa [49]

Answer:

1) yes

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3 years ago

A bag has 5 yellow marbles, 3 red marbles and 2 blue marbles. Quinn randomly picks a marble from the bag and returns it before a

almond37 [142]

Answer:

20%

Step-by-step explanation:

or 20 because since there is 5 and 3 you ad them and you get 5, 5+5 =10 and its like 100 but its not so, 2 of 10 is like saying 20% of 100

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2 years ago

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Is 499.50 great than or less than 499.05?

mote1985 [20]

Answer:

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Step-by-step explanation:

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3 years ago

What is y=-5x75+23 divided by 2

mina [271]

Answer:

Exact Form

Y = -727/2

Decimal Form

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Mixed Number Form

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Step-by-step explanation:

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3 years ago

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