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ivann1987 [24]
3 years ago
15

if 1.5 million people are in a 2 blocks by 2 blocks area of times square on new years eve, approximately what is the density per

square block
Mathematics
1 answer:
emmainna [20.7K]3 years ago
5 0

Density per square block means the area:

Area = Length x width = 2 x 2 = 4 square blocks.

Now for density divide the population by the area:

1.5 million people / 4 square blocks = 0.375 million people per square block

0.375 million = 375,000

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Estimate the product. Solve using an area model and the standard algorithm. Remember to express your products in standard form.
snow_tiger [21]

Answer:

Step-by-step explanation:

Using the area model and standard algorithm, we have:

                332   (tenths)

         <u> ×       21  </u>

                332

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        <u>      6972  </u> tenths = 697.2

<u />

              30      +      3      tenths

     1       300           32         332

    20     600           64         664

33.2 × 21 =<u>    30    </u> × <u>    1     </u>  =  <u>      30     </u>

8 0
3 years ago
The volume of a right circular cone is 300 cubic inches. What is the volume, in cubic inches, of a right cylinder th
AlexFokin [52]

Answer:

The volume of the cylinder is 900 cubic inches

<em />

Step-by-step explanation:

Given

Let V1 represent the volume of a cone and V2 represents the volume of a cylinder

V_1 = 300in^3

Required

Determine the volume of a cylinder with same dimension

The volume of a cone is calculated as:

V_1 = \frac{1}{3}\pi r^2h

The volume of a cylinder is calculated as:

V_2 = \pi r^2h

Since, the cone and cylinder have the same dimensions, we can substitute \pi r^2h for V_2 in V_1 = \frac{1}{3}\pi r^2h

So, we have:

V_1 = \frac{1}{3} * V_2

Multiply both sides by 3

3 * V_1 = \frac{1}{3} * V_2 * 3

3 * V_1 = V_2

V_2 = 3 * V_1

Substitute 300in^3 for V_1

V_2 = 3 * 300in^3

V_2 = 900in^3

<em>Hence, the volume of the cylinder is 900 cubic inches</em>

6 0
3 years ago
Jessica decided to use 15% of her gross income for her down payment for a house. She makes 48,960.00 per year. How much money di
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Answer:

Down\ payment = 7,344

Step-by-step explanation:

Let x be the amount of 15% of gross income.

Given:

Jessica gross income = 48,960.00

She decided to use 15% amount as down payment.

We need to find the amount of 15% of gross income.

Solution:

Using percentage formula.

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Now we substitute 15 in the place of percentage and 48,960 in the place of Total value.

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x= \frac{48960\times 15}{100}

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x =7,344

Therefore: Down payment is 7,344.

3 0
3 years ago
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