3 years ago

denise did 7/8 of the problems on a quiz correctly and five incorrectly. she did all the problems. how many were there?

Mathematics

1 answer:

Cerrena [4.2K]3 years ago

8 0

There is 32 quiestions

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What is x^4-10x^2+9 simplified

Zanzabum

$\bf \textit{difference of squares}
\\ \quad \\
(a-b)(a+b) = a^2-b^2\qquad \qquad 
a^2-b^2 = (a-b)(a+b)\\\\
-------------------------------\\\\
%x^4-10x^2+9 
x^4-10x^2+9\implies (x^2)^2-10x^2+9\implies (x^2-9)(x^2-1)
\\\\\\
\underline{(x^2-3^2)}(x^2-1^2)\implies \underline{(x-3)(x+3)}(x-1)(x+1)$

$\bf \textit{keep in mind that }1=1^2=1^3=1^5=1^{10}=1^{1000000}$

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3 years ago

Discuss the advantages and disadvantages of displaying data in a table and in a graph

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Step-by-step explanation:

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2 years ago

Answer the time one I will mark u brainlist

Allushta [10]

36.21428571428571 is your answer

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