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motikmotik
3 years ago
8

(01.02 MC)Which statement best explains the value of 12 − (−4)

Mathematics
2 answers:
loris [4]3 years ago
3 0

Answer:

16

Step-by-step explanation:

-(-4) needs to be evaluated first, according to Order of Operations rules.

So we have 12 -(-4) = 12 + 4 + 16

IceJOKER [234]3 years ago
3 0

Answer:

\boxed{16}

The answer should have a positive sign.

Step-by-step explanation:

Order of operations

PEMDAS

Parenthesis

Exponent

Multiply

Divide

Add

Subtract

from left to right.

12-(-4)

First you add.

12+4=16

<u><em>16 is the correct answer.</em></u>

I hope this helps you!

Have a nice day! :)

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3 years ago
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icang [17]

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2 years ago
Consider the function: f(x) = 2x^2 - 1.5x - 5 and its graph.
Dominik [7]

Answer:

f(x) = -4x² + 19x - 18

Step-by-step explanation:

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y=f(x-2) = 2(x-2)^2 - 1.5(x-2) - 5\\y = 2(x^2-4x+4) - 1.5x+3 - 5\\y=2x^2-8x+8-1.5x+3-5\\y=2x^2-9.5x+6

f(x) = 2x² - 9.5x + 6

If it is then translated 3 units in the positive y, we add 3 to the input function to get:

y=f(x)+3=2x^2-9.5x+6+3\\y = 2x^2-9.5x+9

ii) stretched vertically by a factor of 2, we multiply the function by 2 to get:

y =2( 2x^2-9.5x+9) = 4x^2-19x+18\\y= 4x^2-19x+18

iii) reflected across the x-axis

we multiply the parent function by –1, to get a reflection about the x-axis.

y= -1(4x^2-19x+18)=-4x^2+19x-18\\y=f(x)=-4x^2+19x-18

5 0
3 years ago
A serving of ice cream contains 144 calories of fat that is 20% of the calories how many total calories are in a serving of ice
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314.2

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