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Dimas [21]
3 years ago
7

Identify the line of the axis of symmetry for the quadratic f(x)= x^2 +6x + 8

Mathematics
1 answer:
suter [353]3 years ago
3 0
Negative x axis
Since , the value of x comes out to be -2and -4 .
;))))
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Someone plz. help me with 7 and 8
Anon25 [30]
7.) the equation of the circle is
(x - 3)^2 + (y - 4)^2 = 25

If you substitute the point in you get
(6-3)^2 + (8-4)^2 = 25
3^2 + 4^2 = 25
9 + 16 = 25
25 = 25

Both sides of the equation are the same so it proves it lies on the circle

8.) you add the x coordinates together and divide by 2
7 + 4 = 11
11/2 = 5.5
You use +7 because you need to find the midpoint.
You then add 5.5 to - 7 or - 5.5 from 4
-7 + 5.5 = - 1.5

You do the same for y coordinates
6+5 = 11
11/2 = 5.5
6-5.5 = 0.5

So the coordinates of Rachel's house are
(-1.5, 0.5)
3 0
3 years ago
Clio Is 1/5 L of water. He pours equal amounts of water into 3 cups how many liters of water are in each cup
oksano4ka [1.4K]

Answer:

1/15 L

Step-by-step explanation:

1/5 x 3

1 x 1 is numerator

5 x 3 are the denominators

3 0
2 years ago
Skylar got a manicure for $28 and pedicure for $35 at the salon. If she plans to tip 15%, how much will she pay in total? Must s
d1i1m1o1n [39]

Answer:

Hi there!

Your answer is:

$72.45

Step-by-step explanation:

[28+ (28× .15) ] + [ 35 + (35× .15) ]

( 28+ 4.2) + (35 + 5.25)

32.2 + 40.25

72.45

Hope this helps

4 0
3 years ago
I NEED HELP WITH NUMBER 2
sashaice [31]

5y+2x = -7~~~~~......(i)\\\\y = -2x +5 ~~~~~~.....(ii)\\\\(i) -(ii):\\\\5y+2x -y = -7-(-2x+5)\\\\\implies 4y +2x = -7 +2x -5\\\\\implies 4y +2x -2x = -12\\\\\implies 4y = -12\\\\\implies y = - \dfrac{12}4 = -3\\\\\\\text{Substitute}~ y=-3~ \text{in equation (ii):}\\\\\\-3 = -2x +5\\\\\implies 2x = 5 +3 \\\\\implies 2x = 8\\\\\implies x = \dfrac 82 =4\\\\\text{Hence,}~ x = 4

4 0
2 years ago
PLEASE HELP!! I only have 5 mins
butalik [34]
I think the answer is K
3 0
3 years ago
Read 2 more answers
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