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3 years ago

Round 51,487 to the nearest thousand

Mathematics

1 answer:

4vir4ik [10]3 years ago

4 0

Hey There!

51,487 rounded to the nearest thousand is 51,000

Thank You!

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The visibility, in miles, from a certain spot on a hillside can be calculated using the function d=1.8x, where x is the heigh

Lemur [1.5K]

Answer:

23 i think im not allway right

Step-by-step explanation:

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3 years ago

Construct a linear equation for the linear data presented in the table

yaroslaw [1]

Answer:

y = -7x

Explanation:

Take two points from table: (-4, 28), (-3, 21)

Find slope:

$\sf slope: \dfrac{y_2 - y_1}{x_2- x_1} \ \ where \ (x_1 , \ y_1), ( x_2 , \ y_2) \ are \ points$

$\rightarrow \sf slope\ (m): \dfrac{21-28}{-3-(-4)} = -7$

Now find equation:

$\sf y - y_1 = m (x - x_1)$

$\rightarrow \sf y - 21 = -7(x - (-3))$

$\rightarrow \sf y = -7(x +3) + 21$

$\rightarrow \sf y = -7x -21 + 21$

$\rightarrow \sf y = -7x$

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2 years ago

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Line cd has endpoints c(1,4) and d(5,0) line ef has endpoints (4,5) and (2,-1).

amm1812

Answer:

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Step-by-step explanation:

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3 years ago

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Find the area of the regular polygon with a side length of 20

Elodia [21]

The area of regular polygon with 5 sides is 689.65m²

<u>Explanation:</u>

All sides of a regular polygon are equal in length. If you know the length of one of the sides, the area is given by the formula:

$area = \frac{s^2n}{4 tan(\frac{180}{n}) }$

where

s is the length of any side

n is the number of sides

tan is the tangent function calculated in degrees

Let the number of side of a polygon be 5. So, putting the values in equation

$area = \frac{(20)^2X5}{4 tan(\frac{180}{5}) } \\\\ = \frac{2000}{2.9} \\\\= 689.65 m^2$

Therefore, the area of regular polygon with 5 sides is 689.65m²

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3 years ago

Find the difference between the mean and the median of 10.2, 10.6, 11.9, 9.9, 10.6

MaRussiya [10]

Let's sort the data

9.9, 10.2, 10.6, 10.6, 11.9

The median is clearly 10.6, the middle value. The sum is 53.2 so the mean is 53.2/5 = 106.4/10 = 10.64

mean - median = 10.64 - 10.6 = 0.04

Answer: 0.04

4 0

3 years ago