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mr_godi [17]
3 years ago
9

7+(8+4) order of operations

Mathematics
2 answers:
Kruka [31]3 years ago
4 0
You would do parentheses first so 8+4 equals 12

After that you would do 7+12

Then you just add so 7+12 is 19

19 would be your final answer

Hope this helps :)
uranmaximum [27]3 years ago
3 0

Answer:

19

Step-by-step explanation:

8+4=12 +7=19

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Svetach [21]
When it comes to dividing decimals, bear in mind that, first off you'd want to do away with the decimal point.

now, "you add as many zeros to the other term, as it has decimals", what the heck does that mean?

for example 2.135 ÷ 5

notice, the 2.135 has three decimals, namely three numbers to the right of the decimal point.

since 2.135 has three decimals, then what we do, we add three zeros to 5, AND do away with the decimal point, thus our division is really

2135 ÷ 5000, which is 0.427

now, if we had 2.135 ÷ 5.79

what we do is, since 2.135 has three decimals, we add three zeros to 5.79, and since 5.79 has two decimals, we add two zeros to 2.135, then our division is really

213500 ÷ 579000  <-- notice, no dot on both

which is about 0.3687392

anyhow, that said, check the picture below

5 0
3 years ago
PLEASE HELPP!! WILL GIVE BRAINLIEST + 25 POINTS!!
enyata [817]

Answer:

x = -9/4

Step-by-step explanation:

−2(x + 1/4) + 1 = 5 ​

Subtract 2 from both sides.

−2(x + 1/4) = 4 ​

Divide both sides by -2.

x + 1/4 = -2

Subtract 1/4 from both sides.

x = -2 1/4

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4 0
3 years ago
What is 9 3/4 as a percent?
masya89 [10]

Answer:

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Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
This describes the relationship between one set of data that increases as another set of data increases. This is synonymous with
viktelen [127]

Answer:

Positive correlation              

Step-by-step explanation:

Correlation:

  • Correlation is a technique that help us to find or define a linear relationship between two variables.
  • It is a measure of linear relationship between two quantities.
  • A positive correlation means that an increase in one quantity leads to an increase in another quantity
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Thus, the correct answer is

Positive correlation  

4 0
3 years ago
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Vinvika [58]

Hello from MrBillDoesMath!

Answer:

Choice A,   18x - 6y = 20


Discussion:

Given line  

-9x + 3y = 12     (M)


Choice A:

18x - 6y = 20  =>          divide both sides by -2

-9x + 3y = -10     (N)


The left hand sides of (M) and (N) are equal implying that right hand sides are equal which further implies 12 = -10.  Contradiction! so the system M and N has no solution.


Thank you,

MrB

5 0
3 years ago
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