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Tatiana [17]
2 years ago
9

Three times a number, subtracted from 20, is equal to -7

Mathematics
1 answer:
tia_tia [17]2 years ago
4 0
The answer is 20-3x=-7 explanation
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Find two positive consecutive integers such that the square of the first added to three times the second is 24
Naddika [18.5K]

Answer:

3 and 5

Step-by-step explanation:

Let the two consecutive odd integers be x and x + 2.

Now,

The given statement is

x^2 + 3 \times (x+2)=24\\x^2 + 3x+6-24 = 0 \\x^2 + 3x-18 = 0\\x^2+6x-3x-18=0\\x(x+6)-3(x+6)=0\\(x-3)(x+6)=0\\x=3,-6

Taking x=3.

Hence, two consecutive odd integers are 3 and 5.

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Please answer this question
Semmy [17]

Answer: -3x + 15

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C) Zero

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We know this is correct because the line is not moving up or down :)

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