3 years ago

Which of the following is an example of a quadratic equation?

Mathematics

1 answer:

jasenka [17]3 years ago

5 0

Answer:

C) any eqaution that has a variable or number squared is a qaudratic equation

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The sum of 4 and 5 is subtracted from one-third of the difference of 40 and 4.

xxTIMURxx [149]

Answer:

Sum of 4 and 5 → 4 + 5 = 9

Difference of 40 and 4 → 40 – 4 = 36

One-third 1/3 of 36 → 12

→ 12 – 9

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2 years ago

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Which of the following is an algebraic expression that represents the phrase X increased by 20

iren2701 [21]

Answer:

The expression means that X+20

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3 years ago

Find the length of 1 side of square if the area is 49 sq.cm<br> method needed

ladessa [460]

Answer:

It would be 7cm

Step-by-step explanation:

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2 years ago

Iron has a density of 7.9 g/cm³. Gold has a density of 19.3 g/cm³.

alexandr402 [8]

Density = m/v
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2 years ago

Dee Wallace's salary was $61,000 in 2006 and increased to $64,300 in 2009.

velikii [3]

Answer:

$1,100

Step-by-step Explanation:

Dee Wallace's salary in 2006 = $61,000 Dee Wallace's salary in 2009 = $64,300

The salary increased in => 2009 - 2006 = 3yrs

The amount of salary increased = 64,300-61000 = $3,300

The annual change of salary = 3,300/3 = $1,100

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2 years ago