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Burka [1]
2 years ago
13

1) Solve ;

Mathematics
2 answers:
Rashid [163]2 years ago
3 0

Answer:

x ≤ 7/2

Step-by-step explanation:

Expand brackets:                   3x - 15 ≤ x - 8

Subtract x from both sides:   2x - 15 ≤ -8

Add 15 to both sides:                    2x ≤ 7

Divide both sides by 2:                   x ≤ 7/2

Ymorist [56]2 years ago
3 0

Answer:

Hello There!

\huge \dag \sf \green{question}

3(x - 5) \leqslant x - 8

\rule{200pt}{5pt}

\huge \hookrightarrow \sf \blue{answer}

\rule{200pt}{5pt}

Use the distributive property to multiply 3 by x-5

3x - 15 \leqslant x - 8

Subtract x from both sides

3x - 15  - x \leqslant 8

Combine 2x and -x to get 2x

2x - 15 \leqslant  - 8

Add 15 to both sides

2x \leqslant  - 8 + 15

Add -8 and 15 to get 7

2x \leqslant 7

Now divide both the sides by 2

As 2 is > 0, the inequality direction remains the same.

x \leqslant  \frac{7}{2}  \\

\rule{200pt}{5pt}

Hope it helps you from my side

<h2>:)</h2>
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Answer:

see explanation

Step-by-step explanation:

since y is inversely proportional to x the equation relating them is

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k = yx = 7 × 9 = 63

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when x = 21, then

y = \frac{63}{21} = 3


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