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4 years ago

Place value for 987,164.302

2 answers:

8 0

9 is in the hundred thousands place, 8 is in the ten thousands place, 7 is in the thousands place, 1 is in the hundreds place, 6 is in the tens place, 4 is in the ones place.

kozerog [31]4 years ago

6 0

Nine-hundred eighty-seven thousand, one-hundred sixty-four and three tenths, two-thousandths.

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A sphere and a cylinder have the same radius and height. The volume of the cylinder is Amie found the volume of the sphere.

vredina [299]

Answer:

The answer is the first

Amie should have multiplied 54 by 2/3

Step-by-step explanation:

* Lets start with the rule of the volume of each solid

∵ Volume the sphere = 4/3 π r³

∵ Volume the cylinder = π r² h

∵ The radii and the heights of the sphere and the cylinder are equal

∴ The ratio between there volumes are

4/3 π r³ : π r² h

- Lets divide each part by π r²

∴ 4/3 r : h

∵ The height of the sphere = the diameter of it = 2r

∴ The height of the cylinder = 2r

∴ The ratio will be:

4/3 r : 2r

- Now divide each part by 2r

∵ (4/3)r ÷ 2r = 2/3

∵ 2r ÷ 2r = 1

∴ The ratio is 2/3 : 1

∴ The volume of the sphere = 2/3 the volume of the cylinder

∵ The volume of the cylinder = 54 m³

∴ The volume of the sphere = 2/3 × 54 = 36 m³

∴ The answer is Amie should have multiplied 54 by 2/3

7 0

3 years ago

Read 2 more answers

In a survey of 1008 adults, a polling agency asked, "When you retire, do you think you will have enough money to live comfort

Olin [163]

Answer:

[0.4979, 0.5479]

Step-by-step explanation:

-We first determine the sample proportion:

$\hat p=\frac{x}{n}\\\\=\frac{528}{1008}\\\\=0.5238$

-The confidence intervals of a sample proportion is calculated using the formula:

$CI=\hat p\pm z\sqrt{\frac{\hat p(1-\hat p}{n}}$

#We substitute for the sample proportion and z value to get the Confidence interval:

$CI=\hat p\pm z\sqrt{\frac{\hat p(1-\hat p}{n}}\\\\=0.5238\pm 1.645\times \sqrt{\frac{0.5238\times0.4762}{1008}}\\\\=0.5238\pm0.0259\\\\=[0.4979,0.5497]$

Hence, the 90% confidence intervals is [0.4979,0.5479]

7 0

3 years ago

Which statement best describes a chord of a circle?

Ugo [173]

A chord of a circle is a straight line segment whose endpoints both lie on the circle
 The statement that best describes a chord of a circle is
It is a segment that connects two distinct points on a circle
so the correct option is c
hope it helps

6 0

3 years ago

In a video game, Conner scored 25% more points than Max. If c is the number of points that Conner scored and m is the number of

KengaRu [80]

Answer:

The answer I think is D. hope this helped.

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

What concepts do you think belong in Geometry of mathematics?

dezoksy [38]