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2 years ago

How is a line of best fit drawn? Describe how you decide where to put it.

Mathematics

1 answer:

Gnoma [55]2 years ago

3 0

Answer:

A line of best fit is a straight line going through a trend on a scatter plot.

Step-by-step explanation:

A well drawn line of best fit is just a line going straight through the trend of dots to approximate an exact trend from a non-exact plot, so just draw a line that stays in the middle of the dots and you should do great.

Hope this helped!

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When four fifths 4 5 of a number is subtracted from 1414, the result is 22. find the number?

galben [10]

If we say:
x = the number we want to find
Then, we can formulate an equation using the information given:
1414 - 4x/5 = 4
Now, we just solve for x:
4x/5 + 4 = 1414
4x/5 = 1410
4x = 7050
x = 1762.5

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3 years ago

This week beth made 10 more then twice the number of cookies she made last week,x. Which expression represents the total numbwr

Lapatulllka [165]

2x + 10 is the answer to the question

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3 years ago

An expression that could be used to multiply 6x198 mentally

elena-14-01-66 [18.8K]

I am pretty sure that addiction because if you add 198 6 times it woyuld be the same as multiplyaction

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2 years ago

Read 2 more answers

May you help me and explain to me please.

Rudiy27

Answer:

Step-by-step explanation:

TAN (R) = SR / ST

TAN (R) = 2/ 2sqr3

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3 0

3 years ago

Read 2 more answers

Help me solve this....

rodikova [14]

Answer:

$1. Solution,\\Let~x=0.272727......\\Then, 100x = 27.272727.....\\Now,\\100x-x = 27.272727..... - 0.27272727..... = 27.\\or, 99x = 27\\or, x = \frac{27}{99} = \frac{3}{11}\\Thus,~\frac{3}{11} =0.27272727......\\$

$2. (27)^\frac{2}{3}.(125)^\frac{1}{3}\\= (3^3)^\frac{2}{3}.(5^3)^\frac{1}{3}\\=(3^2)(5)\\=45.$

$3. Solution,\\Here, \frac{1}{5} = 0.2\\\frac{1}{2} = 0.5\\Now, ~Irrational~ numbers~ between~ 0.2 ~and~ 0.5 ~are~ 0.2122275647.......~and~0.467858930.......\\$

You can write any numbers between 0.2 and 0.5 which follow irregular patterns like this.

$OR\\Examples~of~such~irrational~numbers~are~5+\sqrt{7}~ and~5-\sqrt{7} .$

$4. Solution,\\x^2+y^2 = (x+y)^2-2xy=5^2-2(10) = 25-20=5.\\5.~ If~x=-3~and~y=-2~are~the~solutions~of~the~equation~2x-3y=k,~then,\\2(-3)-3(-2)=k\\or, k = -6+6\\or, k = 0$

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3 years ago