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Irina-Kira [14]
3 years ago
15

(a3 + 5a + 6)+(2a2+3-2a2)

Mathematics
1 answer:
fomenos3 years ago
6 0

Answer: a³+5a+9

Step-by-step explanation:

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What is the value of x
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Step-by-step explanation:

The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try! A variable doesn't have to be "x", it could be "y", "w" or any letter, name or symbol.

6 0
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Please help me please
Levart [38]

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Alternate Interior Angles Theory

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7 0
3 years ago
Which mathematical property is illustrated? ab + c = c + ab
g100num [7]

Answer:

Distributive Property

Step-by-step explanation:

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4 0
3 years ago
The graph models the daily high temperature, H(t), in Santiago, Chile, t days after the hottest day of the year. What does the p
alekssr [168]
For this case we have a function of the form:
 H (t)
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the hottest day of the year had a temperature of 29 degrees.
5 0
3 years ago
What are the solutions of the equation x^4 + 95x^2 - 500= 0? Use factoring to solve
Artist 52 [7]
1) given x^4 + 95x^2 - 500

2) split in two factors with common factor term x^2: (x^2 + )(x^2 - )

3) find two numbers that add up 95 and their product is - 500:

=> 100*(-5) = - 500 and 100 - 5 = 95

=> (x^2 + 100)(x^2 - 5)

4) factor x^2 - 5 = (x + √5) (x - √5)

5) write the prime factors: (x^2 + 100) (x + √5) (x -√5)

6) find the solutions:

x^2 + 100 = 0 => not possible

x + √5 = 0 => x = - √5

x - √5 = 0 => x = √5


Answer: x = √5 and x = - √5
4 0
3 years ago
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