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IRISSAK [1]
3 years ago
6

The first step for deriving the quadratic formula from the quadratic equation, 0 = ax2 + bx + c, is shown. Step 1: –c = ax2 + bx

Which best explains or justifies Step 1?
Mathematics
2 answers:
arsen [322]3 years ago
5 0

Answer:

Its A on edg

Step-by-step explanation:

follow my ifunny "dankmemehistory"

Goshia [24]3 years ago
4 0

Answer:

Subtract c from each side, using the subtraction property of equality

Step-by-step explanation:

0 = ax^2 + bx + c

Subtract c from each side, using the subtraction property of equality

-c = ax^2 + bx + c-c

-c = ax^2 + bx

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Solve for y <br>a. 7 cm<br>b. 20 cm<br>c. 14 cm<br>d. 10 cm​
Rainbow [258]

Answer:

20 cm

Step-by-step explanation:

We can use ratios to solve

We know x = 7 since they are of equal length

x          x+7

----- = -------

10         y

7          7+7

----- = -------

10         y

Using cross products

7y = 14*10

7y = 140

Divide by 7

7y/7 = 140/7

y = 20

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3 years ago
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Your answer should be 120
4 0
2 years ago
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What is m=1/2, b=-8 as an equation
Fofino [41]

Answer:

y = 1/2x -8

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Which expression represents the following calculation? Add 3.2 to the quotient of 8.4 and 6.
Licemer1 [7]
(8.4 / 6) + 3.2

Hope this helps :)
8 0
3 years ago
This is a pic of my question.. ​
KonstantinChe [14]

Answer:

The answer is c

Step-by-step explanation:

5x+3y=19

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now you can add the two equations:

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8 0
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