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Neko [114]
3 years ago
6

Evaluate (a + b)2 for a = 2 and b = 3. 1.) 10 2.)13 3.)25

Mathematics
2 answers:
Fittoniya [83]3 years ago
6 0
(a + b)2   Plug in the a and b values
(2 + 3)2   Add 2 and 3
(5)2         Multiply 5 and 2
10

When a = 2 and b = 3, (a + b)2 will equal 1.) 10.
expeople1 [14]3 years ago
3 0
The answer would be 10.
(2+3)2
4+6
10

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Identify the factors of x2 − 4x − 12.
Alborosie
(x-6)(x+2)

When you foil it you get x^2+2x-6x-12
After you do this you then add like terms to get x^2-4x-12
Therefore the answer (x-6)(x+2) is correct.
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3 years ago
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Korolek [52]

Answer:

2nd one i think

Step-by-step explanation:

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2. A printing machine makes 240 books
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*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer: 8 books/ hour

Explanation:

240 / 30 = 8 books/ hour

I hope this helped!

<!> Brainliest is appreciated! <!>

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7 0
3 years ago
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Please HElppppppppppppp meeeeeeee! I have less than 10 minutes!
attashe74 [19]

Answer:

A) 5  3/10

B) 785 3/20

Step-by-step explanation:

Hope this helps <3

you find a common denominator and then simplify all fractions to that common denominator. then, you add them up!

2 1/5 + 3 1/10

5 can fit into 10 twice so it becomes...

2 2/10 + 3 1/10 which equals

<u>5 3/10</u>

472 2/5 + 312 3/4

5 times 4 is 20

472 8/20 + 312 15/20

there is a remainder of 3 for the fractions so you put it over 20.

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8 0
3 years ago
What is 5/8x + 1/5x = 99
Pani-rosa [81]

x = 120

Too long to exaplin.

Just trust me

6 0
4 years ago
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