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iragen [17]
3 years ago
12

I don't understand please help

Mathematics
2 answers:
Mariana [72]3 years ago
6 0
What you will do (I think) is put in 23 degrees in the place of F. Then do 23-32. From there you will have 5/9(-9). Divide 5 and 9 then multiply that into -9.
kari74 [83]3 years ago
4 0
Alright, in the formula do you see where the "F" is?  That is where a fahrenheit value is going to go.  The question gives you the value, which is 23.  Plug the 23 in for F.  23-32 is -9.  That -9 is then multiplied by the outside value (remember parentheses first) which is 5/9.  -9 * 5/9 is -5 which is your answer.  Hope I helped =)
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Using the pattern, give the coefficients of (x + y)^5 and (x + y)^6
musickatia [10]

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(x+y)^5=x^5+5x^4y+10x^3y^2+10x^2y^3+5xy^4+y^5

(x+y)^6=x^6+6x^5y+15x^4y^2+20x^3y^3+15x^2y^4+6xy^5+y^6

Step-by-step explanation:

In order to find the values of (x+y)^5 and (x+y)^6, you need to apply the binomial theorem (high-level math you most likely don't need to worry about, it's easier than multiplying all the binomials together).

(x+y)^5 = \sum _{i=0}^5\binom{5}{i}x^{\left(5-i\right)}y^i = \frac{5!}{0!\left(5-0\right)!}x^5y^0+\frac{5!}{1!\left(5-1\right)!}x^4y^1+\frac{5!}{2!\left(5-2\right)!}x^3y^2+\frac{5!}{3!\left(5-3\right)!}x^2y^3+\frac{5!}{4!\left(5-4\right)!}x^1y^4+\frac{5!}{5!\left(5-5\right)!}x^0y^5 = x^5+5x^4y+10x^3y^2+10x^2y^3+5xy^4+y^5.

(x+y)^6 = \sum _{i=0}^6\binom{6}{i}x^{\left(6-i\right)}y^i = \frac{6!}{0!\left(6-0\right)!}x^6y^0+\frac{6!}{1!\left(6-1\right)!}x^5y^1+\frac{6!}{2!\left(6-2\right)!}x^4y^2+\frac{6!}{3!\left(6-3\right)!}x^3y^3+\frac{6!}{4!\left(6-4\right)!}x^2y^4+\frac{6!}{5!\left(6-5\right)!}x^1y^5+\frac{6!}{6!\left(6-6\right)!}x^0y^6= x^6+6x^5y+15x^4y^2+20x^3y^3+15x^2y^4+6xy^5+y^6.

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