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MissTica
3 years ago
9

Which of the following terms can be combined in this expression?

Mathematics
1 answer:
RSB [31]3 years ago
7 0

Answer:

6.2y can be combined with -3/8y

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Drawing models makes it clearer to compare.

3 0
3 years ago
Answer this question ​
cestrela7 [59]

Answer: a.) (3x +1)(2x +3)

Step-by-step explanation:

The factors that work to get the middle term, 11x, are 3×3x = 9x and 1×2x=2x. 2x +9x = 11x

3 0
3 years ago
Form a polynomial f(x) with real coefficients having the given degree and zeros. Degree​ 5; ​ zeros: -1; −i; −7+i
vazorg [7]
Bearing in mind that complex roots, do not come all by their lonesome, the zeros of "-i" or "0-i"   and "-7+i" aren't here all by themselves, they came with their sister, the conjugate

so, that is 0-i also comes with 0+i
and -7+i also comes with -7-i

so, the zeros, or solutions or roots, are \bf \begin{cases}
x=-1\implies &x+1=0\\
x=-i\implies &x+i=0\\
x=+i\implies &x-i=0\\
x=-7+i\implies &x+7-i=0\\
x=-7-i\implies &x+7+i=0
\end{cases}\\\\
-----------------------------\\\\
(x+1)(x+i)(x-i)(x+7-i)(x+7+i)=\textit{original polynomial}

so, their product, is the 5th degree polynomial
5 0
3 years ago
A pentagonal prism is cut by a plane perpendicular to the base. What is the shape of the cross section that is formed?
nasty-shy [4]
<span>If it is a right prism, then the cross-section area will be considered a rectangle. Each lateral face will be perpendicular to the base, and if we cut the plane it will be perpendicular to the bases and the resulting angles of the cross-section would all be simply right angles. 
Hence,
The best Answer would be third Option: A RECTANGLE.

</span>
4 0
3 years ago
Read 2 more answers
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