HELP !! Super confused

Mathematics

1 answer:

OleMash [197]4 years ago

3 0

Answer:

ik the answer to the question

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frutty [35]

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3 years ago

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Solve 3 - x/2 <(or equal to) 18

AfilCa [17]

Answer:

The answer is x > -10

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3 years ago

The tangent is longer than the diameter.<br><br> A) never true<br><br> B) always true

zepelin [54]

Answer:

B) Always True

(Tangent of a circle doesn't have a fixed length and can be longer than the diameter)

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3 years ago

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In an election, there are a total of 80000 voters and there are two candidates, X and Y. 80 % of the voters go for polls out of

Sergio [31]

Well, from 80000 only 80% went to the polls, how many is that?

if we take 80000 to be the 100%, then how much is the 80%?

$\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
80000&100\\
x&80
\end{array}\implies \cfrac{80000}{x}=\cfrac{100}{80}\implies \cfrac{80000\cdot 80}{100}\implies 64000=x$

now, from those 64000 60% voted for X, that means that the remaining 40% voted for Y, how many is that 40%?

well, if we take 64000 to be 100%, how much is 40%?

$\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
64000&100\\ y&40
\end{array}\implies \cfrac{64000}{y}=\cfrac{100}{40}\implies \cfrac{64000\cdot 40}{100}=y$

4 0

3 years ago

Find the sum of the polynomials (5y^3+2y^2-7y) + (12y^3-4y^2+8)

Ksivusya [100]

$(5y^3+2y^2-7y) + (12y^3-4y^2+8)\\\\=5y^3+2y^2-7y+12y^3-4y^2+8\\\\=(5y^3+12y^3)+(2y^2-4y^2)+(-7y)+(8)\\\\=17y^3-2y^2-7y+8$

7 0

4 years ago