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ss7ja [257]
3 years ago
13

Which of the following is the expression 19 − 14 ÷ 7 in simplified form?

Mathematics
1 answer:
barxatty [35]3 years ago
6 0

17, that is the answer you get if you follow pemdas!

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How do I solve this question?
Jet001 [13]

Answer:

n=2.5

Step-by-step explanation:

First, write an equation!

n+5n-6+2n+1=15

Now, combine like terms to make things easier.

8n-5=15

Cancel -5 from the left to isolate 5n as a variable.

8n-5+5=15+5

8n=20

Now divide both sides by 8.

8n/8=20/8

n=2.5

3 0
3 years ago
(4/x - z/y=0) <br> (10/x+z/y=0)
galina1969 [7]

Answer:

Some of the other answers are good examples of solving a system of three equations in three unknowns, which is what this problem is asking. Though the simplest way to solve this problem is actually to notice that, if we sum the three equations, we get:

 

   X + Y = 10

   X + Z = 20

+  Y + Z = 24

----------------

2X + 2Y + 2Z = 54

 

Factoring out the 2, we have 2(X + Y + Z) = 54, and dividing both sides by 2 reveals that X + Y + Z = 27.

Step-by-step explanation:

hopefully this helps

4 0
3 years ago
What is (8m^7 - 10m^5) / 2m^3 ?
Colt1911 [192]
4m^4-5m^2

Basically you divide each term by the denominator
this is akin to splittting fraction. Just as you can add 2/5 and 4/5 to get (2+4)/5, like wise you can split apart fractions. By doing this, you get two fractions and you can evaluate them individually
7 0
3 years ago
Read 2 more answers
I have no idea what it is​
amid [387]

Answer:

answer is option b

2x-3

3 0
3 years ago
Solve for x: 4.23x + 1 = 17.8929 A. 0 B. 14.6629 C. 5.23 D. 6.23 PLEASE HELP!!!
maksim [4K]

Answer:

d

Step-by-step explanation:

6 0
3 years ago
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