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sesenic [268]
3 years ago
13

Solve for X 3(10^3x)=19

Mathematics
1 answer:
blagie [28]3 years ago
5 0
The answer is 19/90
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The answer is 7 and 4/ 7+4+11 and 7-4=3!
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Solve for x by factoring and using the zero product property <br><br>3x^2-13x-10=0​
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move all terms to the left side and set equals to zero. then set each factor equal to zero

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2 years ago
PLease help me with this!
astraxan [27]

Answer:

1. x2 - 9 > 0

x^2-3^2>0

(x+3)(x-3)>0

(x+3)>0 and (x-3)>0

x>-3       and  x>3

2. x2 - 8x + 12 > 0

   x^2 - 8x  +12>0

   x^2 -2x -6x +12 >0   (-8x is replaced by (-2x) + (-6x) )

   x(x-2) -6(x-2) >0

    (x-6)(x-2)>0

(x-6)>0    and (x-2)>0

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3. -x2 - 12x - 32 > 0

    -x^2 -12x -32 >0

     x^2 +12x +32 <0

      x^2 +4x +8x +32<0

      x(x+4) +8(x+4)<0

      (x+8)(x+4)<0

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x<-8      and    x<-4

4. x2 + 3x - 20 >= 3x + 5

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   x^2 +3x -20 -3x >= 3x +5 -3x

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     x^2 -20 +20  >= 5  +20

     x^2 >=25

     x^2-25 >=0

      (x-5)(x+5)>=0

(x-5)>=0  and (x+5)>=0

  x>=5    and x>=-5

6 0
3 years ago
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eimsori [14]
It would take Olive 30 minutes to walk home from the news station.
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3 years ago
Leah and Junko share a reward of $81, in a ratio 1:8. How much does Junko get?
Marina CMI [18]

Answer:

Junk gets 72

Step-by-step explanation:

Leah: Junko: total

1            8         1+8 = 9

The total is 81

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Multiply each part by 9

Leah: Junko: total

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9             72    81

5 0
3 years ago
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