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Afina-wow [57]
3 years ago
5

Where is the line of symmetry of this parabola? Write its equation.

Mathematics
1 answer:
lisov135 [29]3 years ago
7 0
Line of symmetry is at x= -1.25.
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Using the Exterior Angle Theorem, solve for the identified angle. WILL MAKE Brainliest!
Olegator [25]

Answer:

30

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the opposite interior angles

150 = ?+120

Subtract 120 from each side

150-120 = ?

30 = ?

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Do not under stand got confused and need help
Paha777 [63]
For #3, you just have to plug in the numbers for x.
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6x - x² (the 2 means square the number, or multiply it by itself)
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Choose the answer based on the most efficient method as presented in the lesson.
Mashcka [7]

Answer:

You would not subtract 3...

Step-by-step explanation:

It should be

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How many pounds are there in a 72-ounce package of ground beef?(1 pound=16 ounces)
UkoKoshka [18]

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Can you explain step by step for #15 and #16 I have a test on this tomorrow
RUDIKE [14]

Answer:

15.

\left\{\begin{array}{l}x+y=50\\0.2x+0.1y=6\end{array}\right.

16. 10 ml of 20% saline and 40 ml of 10% saline

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x + y = 50.

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0.2x+0.1y=6

15. We get the system of two equations:

\left\{\begin{array}{l}x+y=50\\0.2x+0.1y=6\end{array}\right.

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x=50-y

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