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gregori [183]
3 years ago
8

F(-4) = 3x^2-2x pls help i dont know this question

Mathematics
1 answer:
musickatia [10]3 years ago
6 0

Step-by-step explanation:

f ( - 4) = 3 ( - 4) ² - 2( - 4)

=. 3 ( 16) + 8

=. 48 + 8 = 56

<em>plz </em><em>mark</em><em> my</em><em> answer</em><em> as</em><em> brainlist</em><em> plzzzz</em><em>.</em>

<em>hope</em><em> this</em><em> will</em><em> be</em><em> helpful</em><em> to</em><em> you</em><em>.</em>

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A phone company uses the equation y = 0.15x + 10 to find y, the monthly charge for a customer sending x text
olasank [31]

Hey!

---------------------------------------

Solution:

77.50 = 0.15x + 10

77.50 - 10 + 0.15x + 10 - 10

67.50 = 0.15x

0.15x = 67.50

0.15x/0.15 = 67.50/0.015

x = 450

---------------------------------------

Check:

77.50 = 0.15(450) + 10

77.50 = 67.50 + 10

77.50 = 77.50

---------------------------------------

Answer:

450 text messages can be sent when the monthly charge is $77.50!

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Hope This Helped! Good Luck!

8 0
3 years ago
2(4x - 3) 2-3(3x) + 5x​
SashulF [63]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
Please help!!! I don't get this!!! 100 POINTS!!!!
Irina18 [472]

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5 0
4 years ago
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Indicate whether the following statements are True (T) or False (F).
chubhunter [2.5K]
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2.  True; a real number is any number that isn't imaginary (i, \sqrt{-1})

3.  True; same reason

4.  True; an integer is any number that can be wrote without a fraction or decimal (the opposite of rational).

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4 years ago
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