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2 years ago

A number divided by 4 plus 3 is 8

Mathematics

2 answers:

Kobotan [32]2 years ago

8 0

Answer:

$let \: the \: number \: be \: x \: \\ then \: \\ \frac{x}{4} + 3 = 8 \\ \frac{x}{4} = 8 - 3 \\ \frac{x}{4} = 5 \\ x = 5 \times 4 \\ x = 20 \\ \: hence \: 20 \: is \: your \: answer \:hope \: it \: helped$

asambeis [7]2 years ago

3 0

Answer:

$number = x \\ \frac{x}{4} + 3 = 8 \\ \frac{x}{4} = 5 \\ x = 20 \\ thank \: you$

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consider this quadratic equation x2+2x+7=21 the nuber of positive solutions to this equation are blank. the approximate value of

S_A_V [24]

Answer:

x²+2x+7-21=0

 x²+2x-14. =0

 x²+2x. =14

 x²+2x+1. =14+1

 (X+1)². =15

 X+1. =+/-√15

 X=-1+/-√15

X=-1+3.872983346207

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X=-1-3.872983346207

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3 years ago

RoseWind [281]

Answer:

C. I & III

Step-by-step explanation:

I simplifies to ...

2(6x +15 -5x) +4 = 40

12x +30 -10x +4 = 40

2x +34 = 40

II simplifies to ...

40 = 2(15 -x) +4

40 = 30 -2x +4

40 = -2x +34 . . . . . . not equivalent to I (sign of x-term is different)

III simplifies to ...

12x +30 -10x +4 = 40

2x +34 = 40 . . . . . . equivalent to I

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I & III are equivalent

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3 years ago

MODULE TEST!!! WILL MARK BRAINLIEST IF CORRECT!!!!

patriot [66]

Answer:

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Step-by-step explanation:

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zavuch27 [327]

Answer:

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Step-by-step explanation:

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Rashid [163]

There you go! Hopefully this helps.

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