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Romashka [77]
3 years ago
14

Plzzzzzz help I don’t understand I know what to do I need to use PEMDAS but my answer is still wrong

Mathematics
1 answer:
Effectus [21]3 years ago
6 0

simplify exponent: 20*(9-4)/50

simplify parentheses: 20*5/50

multiply: 100/50

divide: 2

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Given: - 1/2 x > 4
Romashka [77]

-\dfrac{1}{2}x > 4\qquad|\text{change the signs}\\\\\dfrac{1}{2}x < -4\qquad|\cdot2\\\\x < -8\to\{x|x\in\mathbb{R},\ x < -8\}\to\boxed{B.}

5 0
3 years ago
What is -4+(-8+j)= simplified
fgiga [73]

Answer:

Step-by-step explanation:

−4−8+j

=−4+−8+j

Combine Like Terms:

=−4+−8+j

=(j)+(−4+−8)

=j+−12

Answer:

=j−12

6 0
3 years ago
I REALLY NEED HELP THIS IS URGENT.
KonstantinChe [14]

Answer:plot at 50 degres

Step-by-step explanation:

4 0
3 years ago
What is the greatest common factor for 26rs and 30r^5s^6
LenaWriter [7]
Hello : 
<span>the greatest common factor for 26rs and 30r^5s^6 is : 2rs</span>
4 0
3 years ago
(4x^3 - x^2 +4x) + (x^3 -x^2 - 4x)
madreJ [45]

Answer:

5x³ - 2x²

Step-by-step explanation:

Step 1: Write out expression

4x³ - x² + 4x + x³ - x² - 4x

Step 2: Combine like terms (x³)

5x³ - x² + 4x - x² - 4x

Step 3: Combine like terms (x²)

5x³ - 2x² + 4x - 4x

Step 4: Combine like terms (x)

5x³ - 2x²

4 0
3 years ago
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