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2 years ago

123,456.78901 to ten – thousandths -

Mathematics

2 answers:

Alex73 [517]2 years ago

6 0

<u>Answer</u>:

123,456.789

<u>Explanation</u>:

Given: 123,456.789..........the last 3 digit after decimal place is thousands and 1 digit after decimal place is tenths.

dezoksy [38]2 years ago

5 0

Answer:

123,456.789

Step-by-step explanation:

The ten thousandth place is less than 5.

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The possible weight of the second fish is 1.2 +0.5=W

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3 years ago

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A study sampled 350 upperclassmen (Group 1) and 250 underclassmen (Group 2) at high schools around the city of Portland. The stu

iVinArrow [24]

Answer:

$-0.061 < P_1 -P_2< 0.025$

Step-by-step explanation:

Give data:

$n_1 = 350$

$n_2 =250$

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$x_2 = 21$

$\hat{P} 1 = \frac{x_1}{n_1} = \frac{23}{350} = 0.066$

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for 95% confidence interval

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$z_{\alpha/2} = 1.96$ from standard z- table

confidence interval for P_1 and P_2 is

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$-0.018 \pm 0.043$

confidence interval is

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3 years ago

Please help asap :( This is my "Final grade" My Teacher wants a full explanation included ! on how i got the answer. )

Mrac [35]

If the whole diameter of sphere is 6 inch(means radius is 3 inch) & thickness of material is 1 inch, so the radius of the hollow part should be 2 inch (3-1=2)

The total volume of the ball will be;

= Total volume - Volume of hollow part

= 4/3πr³ - 4/3πr³

= 4/3 × 3.14 × (3)³ - 4/3×3.14×(2)³

= 4 × 3.14 × 9 - 4/3 × 3.14 × 8

= 113.04 - 33.52

= 79.52

If the density of the material is 3.25 g/in3, then the density of 79.52 inch³ should be;

= 79.52 × 3.25

= 258.44 g

Now, if there are 8 spheres in one box, the weight if box will be;

= 258.44 × 8

= 2,067.52 g

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Ahh! Finally done with this, if you have any doubt just do ask me :)

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3 years ago

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Answer:

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