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dimaraw [331]
2 years ago
14

Please help me the last person who answered this didn’t get it right so please help:(

Mathematics
1 answer:
ElenaW [278]2 years ago
4 0

Answer:

8

Step-by-step explanation:

3 + [2 + 4(-3)] ÷ (-2)

Following the PEMDAS order of operations, you must start with the terms within the parenthesis/brackets.

= 3 + [2 + (-12)] ÷ (-2)

= 3 + [-10] ÷ (-2)

= 3 - 10 ÷ (-2)

Divide 10 and (-2) by applying the rule: <em>m</em> ÷ ( - <em>n </em>) = - <em>m</em> ÷ <em>n</em>

= 3 - 10 ÷ 2

= 3 - (-5)

= 3 + 5

= 8

Therefore, the correct answer is 8.

Please mark my answers as the Brainliest if you find my solutions/explanations helpful :)

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2 years ago
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Two-thirds a number plus 4 is 7
ICE Princess25 [194]

The equation (form) is: \frac{2}{3}x + 4 = 7

The solution of the equation is: x = \frac{9}{2}


Explanation:

First, let's call the number we are going to solve for "x".

Then two thirds of this number can be written as:

\frac{2}{3}x

Then "plus 4" means add 4 we get:

\frac{2}{3}x + 4

"is 7" means that the above expression is equal to 7 (as follows):

\frac{2}{3}x + 4 = 7

The solution of the above equation is:

\frac{2}{3}x + 4 = 7 \\ \frac{2}{3}x = 3 \\ x =  \frac{9}{2}

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2 years ago
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Marianna [84]

Answer:

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Step-by-step explanation:

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6 0
2 years ago
Evaluate f(x) = 2|x – 5| for f(–5) and f(0).
Elanso [62]

Answer:

f(–5) = 20, f(0) = 10

Step-by-step explanation:

f(-5):

f(-5) = 2|-5 -5|

f(-5) = 2|-10|

f(-5) = 2(10)

f(-5) = 20

f(0):

f(0) = 2|0 - 5|

f(0) = 2|-5|

f(0) = 2(5)

f(0) = 10

7 0
2 years ago
What is the result of subtracting the second equation from the first?
FrozenT [24]

Answer: well this is hard

Step-by-step explanation:

First of all you’re adding 7Y and you’re getting -8 and for subtracting you subtract 5why and you’re getting negative one so technically you’re getting different answers?

8 0
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