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Ahat [919]
3 years ago
14

Pls help extra points and mark brainlist

Mathematics
2 answers:
Afina-wow [57]3 years ago
6 0

Answer:

Heres help

Step-by-step explanation:

Ok, fix the problem like this, 4<em>2- 9 ( 5+7) so the answer would be </em>

<em>19 i think </em>

<em />

Lorico [155]3 years ago
5 0

Answer:

4

Step-by-step explanation:

Use Pemdas

4² - ( 5 + 7) = ?

   4² - 12

   16 - 12

       4

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Answer:

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Step-by-step explanation:

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3 years ago
Which graph is an example of a function?
Artist 52 [7]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
PLZ PLZZZZ HELP ASAP!!!!! <br> Explain the error: 144x2 - 100 (12x + 10)(12x - 10) 2(6x + 5)(6x - 5)
iogann1982 [59]

9514 1404 393

Answer:

  a factor of 2 is shown, but 4 was factored out

Step-by-step explanation:

The difference of squares is factored as ...

  a² -b² = (a +b)(a -b)

Then the given difference of squares factors as ...

  144x² -100 = (12x)² -10² = (12x +10)(12x -10)

Each of these factors has a factor of 2 that can be factored out:

  = (2(6x +5))(2(6x -5))

  = (2·2)(6x +5)(6x -5)

  = 4(6x +5)(6x -5)

The first factor should be 4, not 2.

7 0
3 years ago
Help plzzz..............
Gennadij [26K]
A
area = 97*79=7663 ft^2
perimeter = 2(97)+2(79) = 194+158 = 352 ft

b perimeter

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8 0
3 years ago
At the beginning of mathematics class, Mrs. Reno gives a warm-up problem. She says, "I am think of a number such that 6 less tha
Eduardwww [97]
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x = 91/7
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5 0
2 years ago
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