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dimulka [17.4K]
3 years ago
10

Earth contains water and oxygen molecules. Each mass is given below. Which has the greater mass? Explain how you know. water equ

als 2.99 × 10-26 kg and oxygen equals 2.66 × 10-26 kg
Mathematics
2 answers:
LenaWriter [7]3 years ago
7 0
Water becasue when u multiply them together water has abigger mass u get this by the formula
Bond [772]3 years ago
7 0

Sample Response: The water molecule has the greater mass because 2.99 is greater than 2.66. After comparing the exponents, which are the same, the coefficients are compared to determine the molecule with the greater mass.

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MariettaO [177]

Answer:

-3x² - 12x + 8

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

Distributive Property

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

2x² - 4x + 6 - (5x² + 8x - 2)

<u>Step 2: Simplify</u>

  1. (Parenthesis) Distribute negative:                                                                   2x² - 4x + 6 - 5x² - 8x + 2
  2. Combine like terms:                                                                                         -3x² - 12x + 8
3 0
2 years ago
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vampirchik [111]
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6 0
3 years ago
2x+1y=-9<br><br> Please help
xenn [34]

Answer:

x=-(9+1y)/2

y=-2x-9

Step-by-step explanation:

2x=-9-1y

x=-(9+1y)/2

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5 0
3 years ago
Find the radius of a circle with the equation 2x2+y2-6x+2y-45=0
NISA [10]
2x²+y²-6x+2y-45=0
center:(3/2,-1)
vertex1:(3/2,-1+√202/2)
vertex2:(3/2,-1-√202/2)
focus1:(3/2,-1+√101/2)
focus2:(3/2,-1-√101/2)


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4 0
3 years ago
F(x)=−4x <br> 2<br> +5x<br> \text{Find }f(6)<br> Find f(6)
Vilka [71]

Answer:

-114

Step-by-step explanation:

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Let x = 6

f(6) = -4(6)^2 +5(6)

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7 0
3 years ago
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