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Anna [14]
3 years ago
13

How do I write this expression:The quantity seven plus Z, squared

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
6 0

Answer:

  (7+Z)²

Step-by-step explanation:

A less ambiguous way to describe the quantity might be "the square of the quantity seven plus Z".

As it is, we rely on the presence of the comma to tell us that the quantity to be squared is (7+Z). If the comma were not present, we would assume you want to add 7 to the square of Z: 7+Z².

  the quantity 7 plus Z: (7+Z)

  that quantity squared: (7+Z)²

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Left-most x-intercept: (-5,0)

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Step-by-step explanation:

X-intercepts are also known as roots, when y = 0.

In this function, y = 0 when x = -5 and x = 3.

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2 years ago
the sum of three numbers is 55. the second number is twice the first and the third number is five less than the second. What are
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Let the first number be = x

Then the second number = 2x

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This can be written in an equation as =

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= x + 2x + 2x = 60

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= x = 60 ÷ 5 ( transposing ×5 from LHS to RHS changes ×5 to ÷5 )

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Therefore , the three numbers are 12 , 24 and 19 .

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