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ale4655 [162]
3 years ago
14

A.S.A.P PLEASE HELP

Mathematics
1 answer:
Monica [59]3 years ago
4 0
To solve this problem yu must apply the proccedure shown below:

 1. You have that the <span>focus of the parabola is located at (0,–2) and the directrix is represented by y=2. Therefore, you have:
</span>
 √(x0-0)²+(y0-(-2))²=|y-2|

 2. By simplifying and clearing x², you obtain:

 (√x0²+(y0+2)²)²=(y0-2)²
 x0²+(y0+2)²=(y0-2)²

 { Note: x0²=x and y0=y)

 x²=-8y

 The answer is: x²=-8y
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Write an equation for each of the following problems and then solve. A number and 15 total 45
lord [1]

Answer:

x+15=45

  -15 15

    x=30

<u>30+15=45</u>

3 0
3 years ago
Read 2 more answers
What must the measure of angle LMN be? m∠LMN = °
luda_lava [24]
Both 25x and 22x + 9 have the same answers. So you set those two equal to each other.
25x  = 22x + 9
Subtract 22x from both sides.
3x = 9
and you're left with this.
Next, divide 3 from both sides.
x = 3
re-insert 3 into one of the equations.
25(3) = 75
add up both angles
75 + 75 = 150
all angles (for quadrilaterals)added up equals 360.
150 + 2x = 360
solve for x. Subtract 150 from both sides.
2x = 210
and divide 2 from both sides
x = 105
AngleLMN= 105
3 0
3 years ago
220,000 scientific notation
seropon [69]
2.2 x 10 to the 5th power.
7 0
3 years ago
The data set shows the number of practice free throws players in a basketball competition made and the number of free throws the
Mila [183]

Answer-

The exponential model best fits the data set.

Solution-

x = input variable = number of practice throws

y = output variable =  number of free throws

Using Excel, Linear, Quadratic and Exponential regression model were generated.

The best fit equation and co-efficient of determination R² are as follows,

Linear Regression  

Quadratic Regression

Exponential Regression

The value of co-efficient of determination R² ranges from 0 to 1, the more closer its value to 1 the better the regression model is.

Now,

Therefore, the Exponential Regression model must be followed.

5 0
4 years ago
A right rectangular prism has a length of 6 cm a width of 8 cm and a height of 4 cm the dimension of the prism are half what is
Setler [38]

Answer:

Answer 24 cm^3

Step-by-step explanation:

If the dimensions are 1/2  the volume is 1/8 the original volume. There are 2 ways to do this. I'm going to choose the most straight forward.

Formula

V = L * w * h

Givens

L = 6

w = 8

h = 4

Solution

V_original = 6 * 8 * 4 = 192

V_half = 3 * 4 * 2 = 24

V_original / V_half = 192/24 = 8/1

So the other way around (V_half/V_original) = 1/8

4 0
4 years ago
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