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harina [27]
2 years ago
14

2x/ 4x4 - 2xsimplify ​

Mathematics
2 answers:
Mumz [18]2 years ago
7 0

Answer:

x^5/2 - 2x

Step-by-step explanation:

Cancel terms that are in both the numerator and denominator

2

Combine multiplied terms into a single fraction

3

Combine exponents

Ierofanga [76]2 years ago
7 0

Answer: x^5/2 - 2x

Step-by-step

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The directrix of a parabola is y=−4y=−4 . The focus of the parabola is (−2,−2)(−2,−2) .
salantis [7]
Refer to the diagram shown below.

The directrix is y = -4 and the focus is (-2, -2).
Therefore the vertex is at (-2, -3).

Consider an arbitrary point (x,y) on the parabola.
The square of distance from the focus to the point is
(x+2)² + (y+2)²
The square of the distance from the point to the directrix is
(y+4)²

Therefore
(y+4)² = (y+2)² + (x+2)²
y² + 8y + 16 = y² + 4y + 4 + (x+2)²
4y = (x+2)² - 12
y = (1/4)(x+2)² - 3

Answer: y =  \frac{1}{4} (x+2)^{2} - 3

6 0
2 years ago
Y=-7x+3<br> y=-x-3<br><br> Find the solution to the system of equations
Phoenix [80]
Just set the equations equal to each other
(1,-4)
8 0
2 years ago
3) The average age of students at XYZ University is 24 years with a standard deviation of 8 years. Number of students at the uni
otez555 [7]

Answer:

0.1875

Step-by-step explanation:

σM=σ/√N

=8/√7500

=8/86.608

=0.092

Z=(x-μ)/σ/√N

=(25.5-36)/8/√7500

=-10.5/0.0092=-1141.304

Z score = -1.3125

=(27-36)/8/√7500 =

=9/0.0092=978.261

Z score= -1.125

-1.125-(-1.3125)=-1.125+1.3125)= 0.1875

The probability that the sample mean will be between 25.5 and 27 years

P(between 25.5 and 27) = 0.1875

3 0
2 years ago
Clarke borrows $16,000 to buy a car. He pays simple interest at an annual rate of 6% over a period of 3.5 years. How much does h
mr Goodwill [35]

Answer:

The total amount he will altogether be: $19360

Step-by-step explanation:

Given

  • Amount Borrowed = P = $16,000
  • Interest rate = r =  6% = 6/100 = 0.06
  • Time period = t = 3.5 years

To determine

  • Amount of interest = I
  • Total Amount altogether = A

Using the formula

I = Prt

substituting the values P = 16,000, r = 0.06, t = 3.5 years

I = 16,000 × 0.06 × 3.5

I = $3360

Thus, the interest amount = $3360

Therefore, the total amount he will altogether:

A = P + I

A = 16,000 + 3360

A = $19360

Therefore, the total amount he will altogether be: $19360

4 0
3 years ago
Can you please help me with this question please is so hard and i will give you a Brainiest
vichka [17]

Answer:

I don't know about you, but I would say the dog because it is the only relative object about the size and volume of the dog.

5 0
2 years ago
Read 2 more answers
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