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irinina [24]
3 years ago
12

PLEASE HELP ME!!!!!! 30 POINTS AND BRAINLIEST ANSWERThe function h(x)=x^2+6x+7 represents a parabola

Mathematics
1 answer:
My name is Ann [436]3 years ago
7 0
Hello!!

Part A.
The given equation is:
y = x^2 + 6x + 7
By completing the square:
y = (x^2 + 6x + 9) + 7 – 9
y = (x + 3)^2 – 2
y + 2 = (x + 3)^2
 
Part B.
The vertex form of a parabola is in the form:
y – k = 4p (x – h)^2
Where (h, k) is the vertex (x, y) of the parabola.
Therefore the vertex: (-3, -2)
Since 4p = 1, a positive number, therefore the parabola opens up which makes the vertex (-3, -2) the minima of the graph.
 
Part C.
The Axis of Symmetry is the x - coordinate of the vertex which is x = - 3~Nayiah~ Hope this helps!!
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7 copies of the sum of 8 fifths and 4
zaharov [31]

<span>If you would like to transform the phrase </span>7 copies of the sum of 8 fifths and 4 into a math expression, you can do this using the following steps:<span>

<span>8 fifths ... 8/5</span></span>

<span><span> the sum of 8 fifths and 4 ... 8/5 + 4</span></span>

7 copies ... 7 *

7 * (8/5 + 4) = 7 * (8/5 + 20/5) = 7 * 28/5 = 196/5 = 39.2

The correct result would be 196/5.

7 0
4 years ago
Tamir wants to buy a snowboard. The original price is $760. How much will Tamir pay if he buys it during the sale?
grandymaker [24]
Depends on how much it’s on sale
4 0
3 years ago
Estimate to the nearest doallar , the total cost $23.45+$3.98+$16.66+$12.08 (answer with suggesting work please)
Aleksandr-060686 [28]
Well all of that equals $56.17 and rounded to the nearest dollar will be...$56.00

7 0
3 years ago
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5
Lina20 [59]

The probability of not drawing a black marble is 4/5

The probability of drawing a red marble is 3/10

<h3>What are the probabilities?</h3>

Probability determines the odds of the occurrence of a random event. The probability the event occurs is 1 and the probability that the event does not occur is 0.

Probability of not drawing a black marble = total marbles that are not black / total number of marbles

(5 + 3) / (5 + 3 + 2) = 8/10 = 4/5

The probability of drawing a red marble = total number of red marbles / total number of marbles

= 3/10

To learn more about probability, please check: brainly.com/question/13234031

#SPJ1

3 0
2 years ago
<img src="https://tex.z-dn.net/?f=11%2B5x%3D2x-4" id="TexFormula1" title="11+5x=2x-4" alt="11+5x=2x-4" align="absmiddle" class="
stira [4]
11+4 = 2x-5x
15=-3x
X=-5
4 0
3 years ago
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