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iris [78.8K]
3 years ago
12

HELP WILL MARK BRAINLIEST

Mathematics
2 answers:
olchik [2.2K]3 years ago
7 0
Easy it’s A idjdjdjsjsj
Vaselesa [24]3 years ago
7 0

D. 9 is the answer

6-5(0.4-1)

= 6- 5×(-0.6)

=6+3

=9

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Please help !!
olga2289 [7]
If you have learned how to find the line of best fit manually, then you can do it that way. Perhaps you may want to just find a line that can connect at least two of the points and I believe that that line will be able to represent the other points because, in general, the points are pretty close to one another. 

If you don't want to do it manually and have a graphing calculator (which I recommend) then you can use that to find the line of best fit (and if you want then you can see how precise your points are with your r^2 value). Or there is a website (http://illuminations.nctm.org/Activity.aspx?id=4186), which you can use to help you to find the equation of that particular line. 

Once you have that done, then you can substitute 2009 for the x value in the equation and then see what y value the equation produces. That will then be your answer :) 
4 0
3 years ago
X+10=2x-4 what does x=
kobusy [5.1K]
X=14

Step by Step

x+10=2x-4
-x. -x

10=x-4
+4. +4

x=14
4 0
2 years ago
Read 2 more answers
Write a story that could represent this math problem.
jeyben [28]

Answer:

Macey has 4 friends and only 4 chocolate bars. She wants to give 3 slices to each friend. Each bar is 8 slices. How many slices does she have left after she gives three slices each to her friends?

4 0
1 year ago
Read 2 more answers
Given the formula for an arithmetic sequence f(7) = f(6) + 4 written using a recursive formula, write the sequence using an arit
natita [175]

Answer:

Of(7) = f(1) + 24

Step-by-step explanation:

Since this Arithmetic Sequence can be written recursively as a function, then we can write the whole sequence, by adding the common difference to the previous function. So writing it as an Arithmetic formula is (placing an example, with a common difference of 4 units):

\left.\begin{matrix}n &1&2&3&4&5&6 &7\\f(n)&2&6&10 & 14&18&22&26 \end{matrix}\right|\\f(n)=f(n-1)+d\:\: (Recursive \: Formula)\Rightarrow a_{n}=a_{n-1}+4\: \: \: (Arithmetic\: Formula)\\Of(7)=f(1)+6*4\Rightarrow a_{7}=a_{1}+(7-1)4\Rightarrow a_{7}=a_{1}+24\\

6 0
3 years ago
Read 2 more answers
A rectangular dartboard has an area of 648 square centimeters. The triangular part of the dartboard has an area of 162 square ce
GaryK [48]
The answer is B) 25.
Hope this helps!!
6 0
3 years ago
Read 2 more answers
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