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Inessa [10]
3 years ago
8

Can someone help me with this? I don’t remember how to do it...

Mathematics
1 answer:
slavikrds [6]3 years ago
8 0

Answer:

the answer is well A or D

Step-by-step explanation:

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(3y^2+4y+4)-(7y^2+3y-6)
e-lub [12.9K]

plz mark brainliest if it helps

3 0
3 years ago
Which equation best represents the graph above
Svet_ta [14]

Answer:

x = -1

Step-by-step explanation:

Since the line is completely vertical there is no slope.

When a line is completely vertical, the setup is x = ___ (fill in the blank with the number that the line intersects on the x axis, in this case -1.)

When a line is completely horizontal (not applicable in this problem) the setup is y = ___ (fill in the blank with the number the line intersects on the y axis.)

7 0
3 years ago
7x+8(x+1/4)=3(6x-9)-8 need a solution for this problem
valentina_108 [34]
7x+8(x+1/4) = 3(6x-9)-8
7x+8x+2      = 18x - 27 -24
15x + 2        =  18x - 51
       +51                        + 51
15x + 53      = 18x
-15x             = -15x
          53       = 3x
          17.66  = x
5 0
3 years ago
What is the median of the following data set ? {3,4,2,8,5}
Varvara68 [4.7K]

<u>4</u>

<u></u>

Explanation:

3, 4, 2, 8, 5

<u>arrange in ascending order</u>

2, 3, 4, 5, 8

<u>Identify the integer at the middle</u>

median: 4

6 0
2 years ago
Matteo is adjusting a satellite because he finds it is not focusing the incoming radio waves perfectly. The shape of his satelli
natka813 [3]

Answer: (1.5, 0)

Step-by-step explanation:

Given : The shape of his satellite can be modeled by y^2=6x where x and y are modeled in inches.

Now,the given equation y^2=6x is a equation of parabola.

Here, coefficient of x is positive, hence the parabola opens rightwards.

On comparing this equation with standard equation x^2=4mx, we get

4m=6\\\Rightarrow\ m=\frac{6}{4}=1.5

In standard equation, coordinates of focus=(m,0)

Thus for given equation coordinates of focus=(1.5,0)

4 0
3 years ago
Read 2 more answers
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