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3 years ago

6

An ant has a mass of approximately 4 x 10 -3 grams and an elephant has a mass of approximately 8 x 10 6 grams about how many tim

es larger is the elephants mass compared to the ants mass

1 answer:

sladkih [1.3K]3 years ago

5 0

Is it an exponent question?

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The director of the library calculates that 29% of the library's collection is checked out. If the director is right, what is th

marusya05 [52]

Answer:

The probability that the proportion of books checked out in a sample of 412 books would differ from the population proportion by less than 4% is P=0.9255.

Step-by-step explanation:

The population's proportion is $\pi=0.29$

If we take a sample of 412 books (n=412), we have a standard deviation of the sampling distribution of:

$\sigma_M=\sqrt{\frac{\pi(1-\pi)}{n}}=\sqrt{\frac{0.29*0.71}{412}}=\sqrt{0.0005} =0.0224$

We have to calculate the probabilty that the sample proportion will be between 0.25 and 0.33.

$z_1=(0.25-0.29)/0.0224=-0.04/0.0224=-1.7857\\\\z_2=1.7857\\\\\\P(0.25$

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3 years ago

Which of the following is the coefficient in the algebraic expression 8x + z2

Olin [163]

Answer:

8

Step-by-step explanation:

Hope this is right! ;)

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3 years ago

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AfilCa [17]

Answer:5/100, 5/10, 50/100

Step-by-step explanation:

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3 years ago

The price of a pair of shoes was reduced from $20 to $14

sdas [7]

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Which models best illustrates the inequality and its graph? t ≥ 60

Dmitry [639]

It will be the model that has the arrow going to the right with the starting point at 60 having a solid circle.

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