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Yuliya22 [10]
3 years ago
15

The diameter of venus at its equator is approximately 1.21x10 kilometers. write this number in standard notation

Mathematics
1 answer:
Kruka [31]3 years ago
7 0
1.21x10 km = 12.1km = 12.1*10^3km,  = 1.21*10^4 m (Standard notation)
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: Your experience indicates that offering a discount in your emails increases responses by 80%. Your last email, without a disco
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For this case we can make the following rule of three:
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All acute triangles are equilateral triangles?​
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Formúla General <br>a) 4x²=9x-2=0 <br><br>b) X²+8x-84=0<br>​
makkiz [27]

Answer:<em> </em><em>a)</em> x=\dfrac{-9 \pm\sqrt{113} }{8}

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Step-by-step explanation:

a) 4x² + 9x - 2 = 0

x=\dfrac{-b \pm \sqrt{b^{2}-4ac } }{2a} \\\\a=4; \: \: b=9; \: \: c=-2\\x =\dfrac{-9 \pm \sqrt{9^{2}-4 \cdot 4 \cdot (-2) } }{2 \cdot 4} =\dfrac{-9 \pm\sqrt{113} }{8}

b) x² + 8x - 84 = 0

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7 0
3 years ago
Solve B=1/4m(s+z) for s
ElenaW [278]

Answer:

s = \frac{-mz+4B}{m}

Step-by-step explanation:

Step 1: Distribute.

  • B = \frac{1}{4}m * s + \frac{1}{4}m * z
  • B = \frac{1}{4}ms + \frac{1}{4}mz
  • \frac{1}{4}ms + \frac{1}{4}mz = B

Step 2: Subtract 1/4(mz) from both sides.

  • \frac{1}{4}ms + \frac{1}{4}mz - \frac{1}{4}mz = B - \frac{1}{4}mz
  • \frac{1}{4}ms = -\frac{1}{4}mz + B

Step 3: Divide both sides by m/4.

  • \frac{1}{4}ms/\frac{m}{4}=(\frac{-1}{4}mz + B)/\frac{m}{4}
  • s = \frac{-mz+4B}{m}
6 0
3 years ago
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