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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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tomas is thinking of a number. If he triples his number and subtracts 13 the result is 305. Of what number is tomas thinking
dezoksy [38]
3x-13=305

3x=305+13

3x=318

(3x)÷3=318÷3

x=106

check.. (3×106)-13=305

318-13=305

305=305



7 0
3 years ago
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If (x-2) is a factor of x^3+kx^2 +12x-8 then k=?
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Answer:

k = - 6

Step-by-step explanation:

Since (x - 2) is a factor then x = 2 is a root

Substitute x = 2 into the polynomial and equate to zero, that is

2³ + k(2)² + 12(2) - 8 = 0

8 + 4k + 24 - 8 = 0

4k + 24 = 0 ( subtract 24 from both sides )

4k = - 24 ( divide both sides by 4 )

k = - 6

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3 years ago
Solve for s.<br> -7 = 7s + 28
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s=  -5

Step-by-step explanation:

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3 years ago
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Phoebe was seling orchestra and balcony tickets for
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A. day 12

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3 0
2 years ago
(ab^2 x -b^4a^3)^2<br><br> What is the answers
Umnica [9.8K]

Answer:

\left(ab^2x-b^4a^3\right)^2:\quad a^2b^4x^2-2a^4b^6x+a^6b^8

Step-by-step explanation:

Given the expression

\left(ab^2\:x\:-b^4a^3\right)^2

solving the expression

\left(ab^2\:x\:-b^4a^3\right)^2

\mathrm{Apply\:Perfect\:Square\:Formula}:\quad \left(a-b\right)^2=a^2-2ab+b^2

a=ab^2x,\:\:b=b^4a^3

so the expression becomes

=\left(ab^2x\right)^2-2ab^2xb^4a^3+\left(b^4a^3\right)^2

=a^2b^4x^2-2a^4b^6x+a^6b^8

Thus,

\left(ab^2x-b^4a^3\right)^2:\quad a^2b^4x^2-2a^4b^6x+a^6b^8

3 0
2 years ago
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