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iren2701 [21]
3 years ago
12

Jane has three boxes she needs to ship. Box X weighs 33 kg more than Box Y and Box Z weighs 12 kg more than Box Y. She

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
3 0

Answer:

3w+45=557

Step-by-step explanation:

Let the weight of box Y be w kg.

Box X weighs 33 kg more than Box Y, then the weight of box X is

w+33 kg.

Box Z weighs 12 kg more than Box Y, then the weight of box Z is

w+12 kg.

The total weight of all boxes is

w+(w+33)+(w+12)=w+w+33+w+12=3w+45 kg

Jane measured the total weight of all the boxes and it was found to be 557 kg, therefore,

3w+45=557

or

3w=512

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Someone help me with my algebra homework please
Alla [95]

Answer:

15

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

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Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
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Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

5a - 10b = 45

<em>b</em> = 3

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

  1. Substitute in <em>b</em> [Equation]:                                                                                5a - 10(3) = 45
  2. Multiply:                                                                                                             5a - 30 = 45
  3. [Addition Property of Equality] Add 30 on both sides:                                  5a = 75
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7 0
3 years ago
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(Q6) Decide if the function is an exponential function. If it is, state the initial value and the base. y= -4.8·4^x
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Answer:

D

Step-by-step explanation:

Exponential equation takes the form  y=a*b^x  where

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The equation given in the problem can be written as  y=-4.8*4^x, so it is <em>an exponential equation, </em>  where a = -4.8 and b = 4.

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3 0
3 years ago
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Nastasia [14]

Answer:

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  graph the points: (0, -3) and (-4.5, 0)

The lines will cross at point: (-3, -1)

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stiks02 [169]

Answer:

$4600

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