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ad-work [718]
3 years ago
8

Find the sum of – 1022 – 2 + 6 and 10x2 – 5.

Mathematics
1 answer:
suter [353]3 years ago
4 0

Answer:

1003

Step-by-step explanation:

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There is a total of 270 men, women and children on a train.
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Because the ratio of women to children is 10:1, double the ratio of men to women so the women are both 10:

Men to women becomes 8:10

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Divide total people by that number:

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Multiply 10 by each ratio:

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Women = 10 * 10 = 100

Children = 9 *10 = 90



There is 80 men.

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Type the correct answer in each box. Spell all words correctly, and use numerals instead of words for numbers. If necessary, use
TEA [102]

Answer:

  • 4x^2 +44x = 48
  • No, it is not reasonable

Step-by-step explanation:

If x is the width of the border, it adds 2x to each food listing dimension. The overall area of the menu and border will be ...

  total area = (13+2x)(9+2x) = 4x^2 +44x +117

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So, the border area is the difference of these:

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We want this to be 48 square inches, so a suitable model is ...

  4x^2 +44x = 48

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It is not reasonable for the border to be 2.5 inches wide.

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<em>Why 2.5 inches is not reasonable</em>

Dividing by 4 the equation becomes ...

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One of the solutions is x=1. Using the value 2.5 for x would give ...

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3 years ago
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Which two rooms have an
guajiro [1.7K]

Answer:

Room 107 and room 101 have an equal ratio of boys and girls.

Step-by-step explanation:

12 to 9 is 4:3 simplified and 16 to 12 is also 4:3 simplified.

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3 years ago
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