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hoa [83]
3 years ago
7

Help plsssss it would mean alottttttt

Mathematics
1 answer:
sasho [114]3 years ago
8 0
13 x 3=39
70 x 3= 210
After 38 years there will be foxes. ( Type a whole number.)
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Factor the quadratic expression in the equation y=2x^2+28x+96 and use the factors to find the zeros of the equation. Then, use t
gavmur [86]

Answer:

x=-7

Step-by-step explanation:

We have been given an equation y=2x^2+28x+96. We are asked to find the zeros of equation by factoring and then find the line of symmetry of the parabola.

Let us factor our given equation as:

2x^2+28x+96=0

Dividing both sides by 2:

x^2+14x+48=0

Splitting the middle term:

x^2+6x+8x+48=0

(x^2+6x)+(8x+48)=0

x(x+6)+8(x+6)=0

(x+8)(x+6)=0

Using zero product property:

(x+8)=0\text{ (or) }(x+6)=0

x+8=0\text{ (or) }x+6=0

x=-8\text{ (or) }x=-6

Therefore, the zeros of the given equation are x=-8\text{ (or) }x=-6.

We know that the line of symmetry of a parabola is equal to the x-coordinate of vertex of parabola.

We also know that x-coordinate of vertex of parabola is equal to the average of zeros. So x-coordinate of vertex of parabola would be:

\frac{-8+(-6)}{2}=\frac{-14}{2}=-7

Therefore, the equation x=-7 represents the line of symmetry of the given parabola.

4 0
3 years ago
Please help as I'm confused / very tired so I can't think right now...
Masteriza [31]
Median is the middle number so it would be 250

8 0
3 years ago
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If KM = 32 units, KL = 3x+6 and LM= 11 units, what is the value of x?
Rus_ich [418]

Answer:

<h2>x = 5</h2>

Step-by-step explanation:

|<------------------- 32 units ---------------->|

K-----------------------L-------------------------M

           3x + 6                    11

KL + LM = KM

3x + 6 + 11 = 32

3x = 32 - 11 - 6

x = 15 / 3

x = 5 units

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O is the midpoint of Reason: Defintiin of a midpoint
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Suppose that coin 1 has probability 0.7 of coming up heads, and coin 2 has probability 0.6 of coming up heads. if the coin flipp
umka2103 [35]

Answer:

C. 3/8

Step-by-step explanation:

7 0
3 years ago
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