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maxonik [38]
3 years ago
7

10-2+3x19-8= first to answer will get brainlyest

Mathematics
2 answers:
KIM [24]3 years ago
3 0
57 because of pemdas....
Serhud [2]3 years ago
3 0
57!!!!!!!!!!!!!!!!!!!
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How do you determine if a relation is quadratic by calculation differences, analyzing a graph, examining the degree in an equati
Kryger [21]

1) We can determine by the table of values whether a function is a quadratic one by considering this example:

x | y 1st difference 2nd difference

0 0 3 -0 = 3 7-3 = 4

1 3 10 -3 = 7 11 -7 = 4

2 10 21 -10 =11 15 -11 = 4

3 21 36-21 = 15 19-5 = 4

4 36 55-36= 19

5 55

2) Let's subtract the values of y this way:

3 -0 = 3

10 -3 = 7

21 -10 = 11

36 -21 = 15

55 -36 = 19

Now let's subtract the differences we've just found:

7 -3 = 4

11-7 = 4

15-11 = 4

19-15 = 4

So, if the "second difference" is constant (same result) then it means we have a quadratic function just by analyzing the table.

3) Hence, we can determine if this is a quadratic relation calculating the second difference of the y-values if the second difference yields the same value. The graph must be a parabola and the highest coefficient must be 2

4 0
1 year ago
Is the quotient of two rational numbers always a rational number? Explain.
Natasha_Volkova [10]

Answer:

Yes,

Step-by-step explananation

The quotient of two rational numbers is always rational, and the reason for this lies in the fact that the product of two integers is always an rational number.

6 0
3 years ago
Four students, Jackson, Chloe, Lydia, and Noah, line up one behind the other. How
faltersainse [42]
4^4 = 256

So 256 ways
5 0
3 years ago
Help Julie has the boxes of pens
professor190 [17]

Answer:

A=C+16

Step-by-step explanation:

8 0
3 years ago
19+13x=32 plz help A:1 B:3/12/13 C:169. D:663
kumpel [21]

Answer: A

Step-by-step explanation:

19+13x+32

13x=32-19

13x=13

x=1

8 0
3 years ago
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