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Oksi-84 [34.3K]
3 years ago
10

8. Using the order of operations rule, solve the following: 12 ÷ 2 + 4 – 2 × 3 = ?

Mathematics
2 answers:
mixas84 [53]3 years ago
5 0
12/2+4-2*3

According to the order of operations, evaluate division and multiplication first.
6+4-6

Then add and subtract from left to right
10-6
4

Final answer: A
Aleks04 [339]3 years ago
3 0

Answer:

<u><em>A. 4. </em></u>

Step-by-step explanation:

This question it's about pemdas. p-parenthesis, e-exponents, m-multiply, d-divide, a-add, s-subtract. it can also go left to right. multiply and divide left to right. 12/2=6+4-2*3=2*3=6+4-6 and finally add and subtract left to right. 6+4-6, 6+4=10-6=4

Hope this helps!

Thanks!

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3x - 7y = 11<br> What is y equal to?
lara31 [8.8K]

Answer:

3.666666667

Step-by-step explanation:

Simplifying

3x + -7y = 11

Solving

3x + -7y = 11

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '7y' to each side of the equation.

3x + -7y + 7y = 11 + 7y

Combine like terms: -7y + 7y = 0

3x + 0 = 11 + 7y

3x = 11 + 7y

Divide each side by '3'.

x = 3.666666667 + 2.333333333y

3 0
3 years ago
4x-2y=12<br> -4x-9=54<br><br> How can you order a ladder?
blagie [28]
Equations:

4x - 2y = 12
-4x - 9y = 54

Multiple them in both sides

4x - 2y - 4x - 9y = 12 + 54
-2y - 9y = 66
-11y = 66
y= -6

If y= -6 then put y in first or second equation.

I put it in first equation

4x - 2.(-6) = 12
4x + 12 = 12
x= 0

Therefore

(x,y) = (0, -6)
3 0
3 years ago
The answer is 12, help my explain the answer!!!!!
Fynjy0 [20]

HI i know i am a week late but i hope this helps in some way. :)

X = Mateo Trading cards

4x-7 = Camila Treading cards

(4x-7) +x>51

4x-7+x>51

5x-7>51

5x>51+7

5x>58

x>58/5

x>11.6 = 12

Mateo can have at least 12 trading cards  


6 0
3 years ago
Find the cost of erecting a 6 m by 4 m rectangular garden shed that is 2 m high if
Dafna1 [17]

Answer:

2320000

Step-by-step explanation

work out the perimeter first 6+4 times 2= 20

20 time 2m high=40

40 times 58000= 2320000

7 0
2 years ago
Choose the right answer.
Pavel [41]

Step-by-step explanation: last year

3 0
3 years ago
Read 2 more answers
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