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vampirchik [111]
3 years ago
7

1. Using the letters in the word FABRIC, find the number of permutations that can be formed using 2 letters at a time. Show your

work or explain how you got your answer.
2. The table shows the fat content and calories for the burgers at a fast food chain.

Write the best fit line that models the impact of fat content on calories. Explain how you got your answer.

Mathematics
1 answer:
Lisa [10]3 years ago
7 0

1. Each letter is paired with each of the other letters to produce all the permutations of 2 letters. There are 6×5 = 30 of them.

FA FB FR FI FC .. A.F AB AR AI AC .. BF BA BR BI BC .. RF RA RB RI RC .. IF IA IB IR IC .. CF CA CB CR CI

2. The linear regression function of a graphing calculator can be used to find the line of best fit. Generally, this involves entering the given coordinates and invoking the appropriate regression calculation.

... calories ≈ 13.9×(fat grams) + 191.3

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Please help ASAP thank you!!!!
mart [117]

Answer:

41. f⁻¹(x) = -9x + 4

43. m⁻¹(x) = ∛(x-2)/4  

Step-by-step explanation:

41. y = (4-x)/9

swap x and y: x = (4-y)/9

solve y: 9x = 4-y

             y = -9x + 4

45. y = 4x³+2

     x = 4y³+2

     4y³ = x-2

     y³ = (x-2)/4

     y = ∛(x-2)/4

Let you do 42 and 46 by yourself

5 0
3 years ago
2.5 ( y + ⅖ ) = -13<br> im really bad at math someone pls help
My name is Ann [436]

Answer:

-5.6

Step-by-step explanation:

first distribute the 2.5

also convert the 2/5 to decimal (0.4) because it's hard to work with both decimal and fraction

2.5y + 2.5*0.4 = -13

2.5y +1 = -13

y = -14/2.5 = -5.6

5 0
3 years ago
Please help! Write the slope-intercept form equation of the trend line
Eduardwww [97]

Answer:

y= -1/3x+9.2

Step-by-step explanation:

I believe that it is 9.2 although it could be another number in the 9's.

The slope is (rise) -1 and (run) 3 and the line crosses the y-intercept at what it looks like 9.2

6 0
3 years ago
If an arithmetic progression satisfies U4=7 , U8=15 .Find U10​
Alja [10]

<em>Answer:</em>

<em>U10 = 19</em>

<em>Step-by-step explanation:</em>

<em>The sequence is </em>Ux=(x*2)-1<em />

<em>x is the coefficient to U.</em>

<em>So, </em>U10=(10*2)-1<em />

<em>Which means </em>U10=20-1<em />

<em>Which means </em>U10=19<em />

<em>And there is your answer.</em>

<em>Hope this helps. Have a nice day.</em>

6 0
2 years ago
Please help me asap, i was absent the day we learned this and haven't been able to pick it up
Maksim231197 [3]

Answer:

Your dead meat then...

Step-by-step explanation:

But I’m pretty sure its b?

sorry if it’s wrong

7 0
3 years ago
Read 2 more answers
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