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Ivahew [28]
3 years ago
12

-6(x + 7) = -4x - 2

Mathematics
2 answers:
almond37 [142]3 years ago
5 0

Answer:

one

Step-by-step explanation:

-6x -6×7 = -4x-2 :

-6x -42 = -4x -2 : (+4x)

-2x -42 = -2 : (+42)

-2x = 40 (/-2)

x = -20

Wittaler [7]3 years ago
4 0

Answer:

-2x-44

Step-by-step explanation:

-6x-42=-4x-2

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What is the greatest common factor between 72 and 54?
Elanso [62]
The greatest common factor between 72 and 54 is 18.
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The equation C = f - 32/ 1.8 relates the temperature in degrees fahrenheit F to degrees Celcius C. If the temperature is 25 degr
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77 degrees fahrenheit
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Which expression has the fewest significant figures?
yanalaym [24]

Hello!

Here are some rules to determine the number of significant figures.

  1. Numbers that are not zero are significant (45 - all are sigfigs)
  2. Zeros between non-zero digits are significant (3006 → all are sigfigs)
  3. Trailing zeros are not significant (0.067 → the first two zeros are not sigfigs)
  4. Trailing zeros after a decimal point are always significant (1.000 → all are sigfigs)
  5. Trailing zeros in a whole number are not significant (7800 → the last two zeros are not sigfigs)
  6. In scientific notation, the exponential digits are not significant, known as place holders (6.02 x 10² → 10² is not a sigfig)

Now, let's find the number of significant figures in each given number.

A). 296.54

Since these digits are all <em>non-zero</em>, there are 5 significant figures.

B). 5003.1

Since the two <em>zeros are between non-zero digits</em>, they are significant figures. Thus, there are 5 significant figures.

C). 360.01

Again, the two zeros are between non-zero digits. There are 5 significant figures.

D). 18.3

All of these digits are non-zero, hence, there are 3 significant figures.

Therefore, expression D has the fewest number of significant figures being 3.  

4 0
3 years ago
Read 2 more answers
You can convert a temperature given in degrees Celsius to Fahrenheit temperature by using the expression 9x ÷ 5 + 32, where x is
Minchanka [31]

Water freezes at 32 degree Fahrenheit.

Step-by-step explanation:

Given,

Formula for Celsius to Fahrenheit = \frac{9}{5}x+32

x = Celsius temperature

Boiling point of water = 0°C

We will put x=0

0°C = \frac{9}{5}(0)+32

0°C = 0+32

0°C = 32 degree Fahrenheit

Water freezes at 32 degree Fahrenheit.

Keywords: temperature, addition

Learn more about temperature at:

  • brainly.com/question/10894205
  • brainly.com/question/10987396

#LearnwithBrainly

4 0
3 years ago
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