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Artist 52 [7]
4 years ago
14

Two of the steps in the derivation of the quadratic formula are shown below.

Mathematics
1 answer:
Fed [463]4 years ago
8 0

Answer:

C

Step-by-step explanation:

I just guessed and got it right

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You guys are Smart, Answer me this. But I need It fast-
miss Akunina [59]

Answer:

E = 58

F = 32

G = 90

Step-by-step explanation:

3x + 31 + 5x -13 + 90 = 180

3x + 31 + 5x -13 = 90

8x = 90 - 31 + 13

8x = 72

x = 72 / 8

x = 9

E = 3(9) + 31 = 27+31 = 58

F = 5(9)-13 = 45 - 13 = 32

G = 90

8 0
3 years ago
Function tables with two-step rules Fill in the table using this function rule.<br> help asap
NeTakaya

Answers:

Answer for row one:     1

Answer for row two:     11

Answer for row three:   16

Answer for row four:     36

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

Work Shown:

Whatever the x value is, we multiply by 5 and subtract off 14 to get the corresponding y value. This is following the order of operations PEMDAS

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

If x = 3, then

y = 5*x - 14

y = 5*3 - 14  ..... note how x is replaced with 3

y = 15 - 14

y = 1

This means that when x = 3, the y value is y = 1.

So 1 goes in the box in the first row.

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

Repeat for x = 5

y = 5*x - 14

y = 5*5 - 14

y = 25 - 14

y = 11

We have 11 as the second answer.

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

Repeat for x = 6

y = 5*x - 14

y = 5*6 - 14

y = 30 - 14

y = 16

The third answer is 16.

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

Repeat for x = 10

y = 5*x - 14

y = 5*10 - 14

y = 50 - 14

y = 36

The last answer is 36.

3 0
4 years ago
What is the justification for each step in solving the inequality?
Gnoma [55]

I cant see the whole picture , the one on the left side.

3 0
4 years ago
Graph abc and its image after a rotation of 180 about the origin
nikitadnepr [17]
This should be what you need, sorry for the wonky lines.

3 0
4 years ago
Question A: Suppose n - 15 is a whole number. What do you know
larisa [96]

Answer:

Question A: The value of n is positive.

Question B: n-17=64

Step-by-step explanation:

8 0
4 years ago
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