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kondor19780726 [428]
3 years ago
9

Here it is again. Please help me

Mathematics
1 answer:
igomit [66]3 years ago
7 0

Answer:

First question: A, Second question: B

Step-by-step explanation:

0.5= 1/2

0.25= 1/4

0.4= 2/5

Now, insert these numbers, as fractions, back into the equation:

\frac{1}{4}- \frac{1}{2}+ \frac{1}{2}- \frac{1}{4}+ \frac{3}{5}+ \frac{2}{5}

Following PEMDAS you will get 1 as your answer.

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x = 12.26

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3 0
3 years ago
((s+4)/(s^2+13s+36))*((s+9)/(9))
defon
\bf \cfrac{s+4}{s^2+13s+36}\cdot \cfrac{s+9}{9}\implies \cfrac{\underline{s+4}}{\underline{(s+9)}\underline{(s+4)}}\cdot \cfrac{\underline{s+9}}{9}\implies \cfrac{1}{9}
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