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kow [346]
2 years ago
6

Use pemdas 4 + (2 x 12) - 3^2

Mathematics
2 answers:
zlopas [31]2 years ago
6 0

Answer:

19

4+24-9=19

Step-by-step explanation:

First, follow the PEMDAS method then you would get 4+24-9. Then you would get an answer of 19.

snow_lady [41]2 years ago
3 0

Answer:

19

Step-by-step explanation:

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WILL MARK BRAINLIEST
777dan777 [17]

Answer:


Step-by-step explanation:

xy = k    

where k is the constant of variation.

We can also express the relationship between x and y as:

y =      

where k is the constant of variation.

Since k is constant, we can find k given any point by multiplying the x-coordinate by the y-coordinate. For example, if y varies inversely as x, and x = 5 when y = 2, then the constant of variation is k = xy = 5(2) = 10. Thus, the equation describing this inverse variation is xy = 10 or y = .

Example 1: If y varies inversely as x, and y = 6 when x = , write an equation describing this inverse variation.

k = (6) = 8  

xy = 8 or y =  

Example 2: If y varies inversely as x, and the constant of variation is k = , what is y when x = 10?

xy =  

10y =  

y = × = × =  

k is constant. Thus, given any two points (x1, y1) and (x2, y2) which satisfy the inverse variation, x1y1 = k and x2y2 = k. Consequently, x1y1 = x2y2 for any two points that satisfy the inverse variation.

Example 3: If y varies inversely as x, and y = 10 when x = 6, then what is y when x = 15?

x1y1 = x2y2  

6(10) = 15y  

60 = 15y  

y = 4  

Thus, when x = 6, y = 4.



2nd answer choice


constant of variation is xy. XY=23. If X=7 then Y=23/7.

3 0
3 years ago
If 3x−y=12, what is the value of 8^x/2^y?
Anna007 [38]
The answer is A) 2^12
6 0
3 years ago
Read 2 more answers
How many marbles must be in the 8th line ? 
Nat2105 [25]

Answer:

?? Which line

7 0
3 years ago
Read 2 more answers
Parvinis older than Jan, who is
MatroZZZ [7]

Using the arrangements formula, it is found that there are 24 ways for them to stand in line so that the youngest person is always first, and the oldest person is always last.

<h3>What is the arrangements formula?</h3>

The number of possible arrangements of n elements is given by the factorial of n, that is:

A_n = n!

In this problem, we have that there are 6 people. The youngest person(Leslie) has to be first, while the oldest(Parvinis) has to be last, while the remaining 4 can be arranged, hence the number of ways for them to stand in line is given by:

A_4 = 4! = 24

More can be learned about the arrangements formula at brainly.com/question/24648661

#SPJ1

8 0
2 years ago
Solve for e.<br> 9e + 4 = -5e + 14 + 13e
Snezhnost [94]

Answer:

17e+18

Step-by-step explanation:

9e+4=-5e+14+13e

4e+4+14+13e

17e+4+14

17e+18

4 0
2 years ago
Read 2 more answers
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