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marin [14]
3 years ago
8

look at this equation and the steps used to solve it. Which answer is the best justification for step 1 of this solution

Mathematics
1 answer:
Julli [10]3 years ago
4 0

Answer:

Step-by-step explanation:

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Select all that apply.
Lelechka [254]

Answer: The second option and the third option are true.

Step-by-step explanation:

The formula of the line in slope-intercept form is:

y=mx+b

Where <em>m </em>is the slope and <em>b </em>is the y-intercept.

By definition, the y-intercept in a direct variation is 0.

Therefore, substituting m=-3 and b=0 into the equation, you obtain:

y=-3x+0

Then, the equation is:

y=-3x

As this is a line, it is a linear function.

Therefore, the second option and the third option are true.

8 0
3 years ago
How many solutions does -9(x+6)=-9x+108
trapecia [35]

Answer:

You can put this solution on YOUR website! ... equation 2: -10x + 6y = -108 ... to change both to positive 10x = 60 divide both sides by 10 10x/10 = 60/10 x = 6 .

Step-by-step explanation:

8 0
3 years ago
Audrey bought shoes that were on sale for 70% off the regular price. Audrey saved $42.
solniwko [45]
60 because .7 times 60 equals 42 therefore the answer is 60
5 0
2 years ago
Read 2 more answers
Translate<br> "two times the sum of number and 5 is 20"
Anna11 [10]
2(x+5) =20 is the translation
8 0
1 year ago
Read 2 more answers
Solve for x by completing the square: x2 - 12x + 11 = 0
sineoko [7]

Answer:

B

Step-by-step explanation:

x² - 12x + 11 = 0 ( subtract 11 from both sides )

x² - 12x = - 11

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(- 6)x + 36 = - 11 + 36

(x - 6)² = 25 ( take square root of both sides )

x - 6 = ± \sqrt{25} = ± 5 ( add 6 to both sides )

x = 6 ± 5

Then

x = 6 - 5 = 1 ⇒ (1, 0 )

x = 6 + 5 = 11 ⇒ (11, 0 )

6 0
2 years ago
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