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2 years ago

IV. Solve for the Indicated variable. 9) X = 2y – 5, for y 10) 5m = n+p, form

Mathematics

1 answer:

boyakko [2]2 years ago

5 0

Answer:

9,x=2y-5

x+5=2y

x+5/2=y

y =x+5/2

10,5m=n+p

m=n+p/5

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Semmy [17]

Answer:

a) $175 b) It will be $126

Step-by-step explanation:

Cost price of 3 games= $140

Let the original price of games= $ x

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According to question

x $\frac{(100-20)}{100}$ = $140

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Again a discount = 10%

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Now, the selling price will be= 175 $\frac{(100-20)}{100}$ × $\frac{(100-10)}{100}$

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3 years ago

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stepladder [879]

Question:

Five times the sum of a number and 27 is greater than or equal to six times the sum of that number and 26.

What is the solution set of this problem?

Answer:

$x \leq -21$

Step-by-step explanation:

Given

<em>Represent the number with x</em>

So:

$5 * (x + 27) \geq 6 * (x + 26)$

Required

Determine the solution set

$5 * (x + 27) \geq 6 * (x + 26)$

Open Both Brackets

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Collect Like Terms

$5x - 6x \geq 156-135$

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Multiply both sides by -1

$x \leq -21$

Hence, the solution set is $x \leq -21$

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