2 years ago

The product of a number and negative 3 is less than 27

Mathematics

1 answer:

eduard2 years ago

7 0

Answer:

3x < 27

Step-by-step explanation:

The variable doesn't have to be x. It can be n, t r, q, or whatever letter of the alphabet, s long as it is a variable that represents the missing value.

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The triangles PTQ and RTS are similar; so the ratios of corresponding sides are equal.

Let us denote the unknown length SQ as x.

We could make the following similarity relation;

$\begin{gathered} \frac{30}{30+5}=\frac{60}{60+x} \\ \end{gathered}$

Cross multiply to obtain;

$\begin{gathered} 30(60+x)=60(35) \\ 1800+30x=2100 \\ \text{collect like terms} \\ 30x=2100-1800 \\ 30x=300 \\ \text{divide both sides by 30} \\ \frac{30x}{30}=\frac{300}{30} \end{gathered}$

Therefore;

$x=10\operatorname{cm}$

Therefore, the answer is option A

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Since the 'E' in the middle

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Answer:

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Step-by-step explanation:

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