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Alja [10]
3 years ago
6

Write 6/18 as a repeating decimal

Mathematics
1 answer:
mylen [45]3 years ago
3 0
0.333 repeated since 1/3 is the same as 6/18 and 1/3 is 0.333.......
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A pot is being used to boil off 1 kg of water. The specific energy required to cause the phase change is 2297 kJ/kg. Assuming th
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Answer:

It will take 58 seconds

Step-by-step explanation:

If you have 1 kg of water in the jar, half of it will be 0.5 kg.

To vaporize half of the water (0.500 kg) the energy supply needed is

2297 kJ/kg*0.5kg=1148.5 kJ

If the stove is supplying 20 kJ/s, the time its needed is

\frac{1148.5 kJ}{20\frac{KJ}{s} }=57.425 s

It will last at least 58 seconds to vaporize half of the water.

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Check all that apply: If cos theta = 15/17 then:
marishachu [46]
If Cos theta = 15/17, then
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Letter A
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18.4km/h

Step-by-step explanation:

9.2km/.5hours=

18.4km/h

3 0
2 years ago
Do you need fewer centimeters or fewer meters to measure the height of a doorway?
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Fewer meters, centimeters are too small of a unit to measure a doorway
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Da<br> A<br> Solve the equation 2x^2+3=0
Anika [276]

Answer:

x = ±i(√6 / 2)

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Equality Properties

<u>Algebra I</u>

  • Solving quadratics

<u>Algebra II</u>

Imaginary root i

  • √-1 = i

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

2x² + 3 = 0

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. [Subtraction Property of Equality] Subtract 3 on both sides:                        2x² = -3
  2. [Division Property of Equality] Divide 2 on both sides:                                  x² = -3/2
  3. [Equality Property] Square root both sides:                                                    x = ±√(-3/2)
  4. Simplify:                                                                                                             x = ±i(√6 / 2)
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3 years ago
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