The sum of a number and 20 is no more than the sum of the square of the number and 9.
which of the following inequalities can be used to determine this unknown number?
a. x + 20 < (x + 9)2
b.
x+ 20 x2 + 9
c.
x+ 20 = (x + 9)2
d.
x + 20 < x2 +94

A is the correct answer.

break down the word problem.

You also have to recognize key words which figure into mathematical symbols.

ex. sum of a number and 20 is x+20

square of the number and 9 is (x+9)^2

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4th option is correct xy=-10

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if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

happy to

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