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alex41 [277]
3 years ago
12

Pls help !!!!!!!!!!!!!!

Mathematics
1 answer:
garri49 [273]3 years ago
6 0
The x -coordinate of the vertex is the equation of the axis of symmetry of the parabola. For a quadratic function in standard form, y=ax2+bx+c , the axis of symmetry is a vertical line x=−b2a .
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How do I make 7/15 into a decimal.
nordsb [41]

Well, this is really simple math.

Divide 7 by 15.

7/15 = 0.46666666666

To make it simple, round to the nearest hundredths.

7/15 = 0.47

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3 years ago
15. The circumference of a circle is Ccentimeters. The diameter of the circle is 13
marysya [2.9K]

Answer:

The answer is 6

Step-by-step explanation:

The circumstance of a circle is given by the formula

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3 years ago
Help i'll make you the brainliest
9966 [12]

Answer:

D) b = \frac{S-2ac}{2a + 2c}

Step-by-step explanation:

First, move all the terms that do not include b to the left side with S:

S = 2ab + 2bc + 2ac

S - 2ac = 2ab + 2bc

Now, factor out 2b from the right side:

S - 2ac = 2b(a + c)

Divide both sides by 2(a + c):

b = \frac{S-2ac}{2(a + c)}

Finally, multiply out the denominator:

b = \frac{S-2ac}{2a + 2c}

7 0
4 years ago
What is the simplified expression for 2 power 2 multiplied by 2 power 3 over 2 power 4?
lord [1]
The answer would be:
c) 2^2
5 0
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A tree is leaning up against the side of a house. The bottom of the tree is 15 feet away form the house. The tree is 20 feet lon
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20.71 ft
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