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ivanzaharov [21]
3 years ago
8

Simplify fowllow the order of operarions 12-7+9-2

Mathematics
2 answers:
steposvetlana [31]3 years ago
6 0
12 bro it even says to follow the order of operations. If there is only addition and subtraction you just go from left to right. Same with if there is only multiplication and division.
Gennadij [26K]3 years ago
5 0
The answer is 12. First you solve the equation from left to right. 12-7= 5, 5+9=14, and last is 14-2 which is 12.
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Please help me I NEED HELP IT WILL BE QUICK 16 points
k0ka [10]

Answer:

See below

Step-by-step explanation:

1. 11^2

2. No

3. 18^2

4. 4^2

5. 9^2

6. No

7. 20^2

8. No

9. 15^2

Hope that helps! :)

4 0
2 years ago
Is 7/10 less than 2/4?
lilavasa [31]

Answer:

No

Step-by-step explanation:

7/10 is 0.7

2/4 is 0.5

0.7>05

5 0
3 years ago
Read 2 more answers
Melissa and Brian are at the base of a mountain. Melissa hikes to
Free_Kalibri [48]
67 meters because if you use the triangle congruent method with the altitude at 65 degrees you should get the right answer
8 0
3 years ago
Solve this equation. 5n+7=7(n+1)-2n
Trava [24]
5n + 7 = 7(n+1) - 2n

First distribute 7 to all terms inside the parenthesis

7(n) = 7n
7(1) = 7

5n + 7 = 7n - 2n + 7

Simplify. Combine like terms

5n + 7 = 5n + 7

True.

If you want to continue:

Isolate the n, move all variables to one side, and constants to the other

5n (-5n) + 7 (-7) = 5n (-5n) + 7 (-7)

0 = 0

True


hope this helps
6 0
2 years ago
Read 2 more answers
I need help pls due tomorrow pls I just need part B done plsss
lara [203]

Part A

1 day = 1/4 hours of practice

7 days = 7/4 hours of practice (multiply both sides by 7)

1 week = 7/4 hours of practice

1 week = (4+3)/4 hours of practice

1 week = (4+3)/4 hours of practice

1 week = (4/4)+(3/4) hours of practice

1 week = 1+(3/4) hours of practice

1 week = 1 & 3/4 hours of practice

side note: 1 & 3/4 = 1.75

=======================================

Part B

Take the result from part A, and multiply it with 60

So we'll have 60 times 1&3/4 on the left side on the first line, then 60*(1+3/4) on the right side of this same line.

The rest of the lines look like this

(60*1) + (60*3/4)

60 + 60*3/4

60 + 180/4

60 + 45

105 minutes

8 0
3 years ago
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