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3 years ago

What is 10 times as much as 55,837.9?

Mathematics

2 answers:

OverLord2011 [107]3 years ago

7 0

558,739 is the correct answer.

Zarrin [17]3 years ago

4 0

To multiply by ten, just move the decimal point to the right one place.

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What is the equation of the line best fit for the following data? Round the slope and y-intercept of the line to three decimal p

kari74 [83]

Answer:

$y=1.383x-1.526$

Step-by-step explanation:

The given data table is

x : 4 7 10 12 13

y : 5 7 12 14 18

We need to find the equation of the best fit line.

The general form of a best fit line is

$y=mx+b$ .... (1)

where, m is slope and b is y-intercept.

$m=\frac{\sum_{i=1}^nx_iy_i-n\overline{x}\overline{y}}{\sum_{i=1}^nx_i^2-n\overline{x}^2}$

$b=\overline{y}-b\overline{x}$

Using the graphing calculator we get

$m=1.38321\approx 1.383$

$b=-1.52555\approx -1.526$

Substitute m=1.383 and b=-1.526 in equation (1).

$y=1.383x-1.526$

Therefore, the equation of best fit line is $y=1.383x-1.526$ .

4 0

4 years ago

Read 2 more answers

A set of average city temperatures in october are normally distributed with a mean of 20.6°C and a standard deviation of 2°C. wh

vova2212 [387]

Answer:

0.4032

Step-by-step explanation:

8 0

3 years ago

What is 9.286 as a mixed number

marshall27 [118]

9.286

[To change to mixed number, count the number of digits after the decimal point. There are 3 digits, so the denominator will be 1000]

$9.286 = 9 \frac{286}{1000}$

Then we simplify the fraction
(286 ÷ 2)/(1000÷2) = 143/500

Therefore,
$9.286 = 9 \frac{286}{1000}$
$9.286 = 9 \frac{143}{500}$

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3 years ago

Read 2 more answers

I need help with 9 and 10

Evgen [1.6K]

#9 is
32divided(10-8)divided2-3

6 0

3 years ago

Write 7/50 as a decimal

Sophie [7]

0.14

You divide 7 by 50.