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3 years ago

10

A used car is on sale for 3,600 Eric offered the owner of the car 4/5 of the asking price.how much was Eric offer

1 answer:

netineya [11]3 years ago

4 0

$2,880 for the car
Hope it helps

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Four mathematicians, three physicists, and an engineer are to be seated equally spaced around a circular table. How many differe

Vesna [10]

First, we can choose the seats for the four mathematicians. Then we seat the physicits, then the engineer. There are 4! ways to seat the mathematicians, then 3! ways to seat the physicists, then 1! ways to seat the engineer. But then we must divide by 8, because we can rotate the table, so there are 8!*4!*3!/8 = 725760 ways to seat everyone.

3 0

3 years ago

Using the given information, give the vertex form equation of each parabola.

Amanda [17]

Answer:

The equation of parabola is given by : $(x-4) = \frac{-1}{3}(y+3)^{2}$

Step-by-step explanation:

Given that vertex and focus of parabola are

Vertex: (4,-3)

Focus:( $\frac{47}{12}$ ,-3)

The general equation of parabola is given by.

$(x-h)^{2} = 4p(y-k)$ , When x-componet of focus and Vertex is same

$(x-h) = 4p(y-k)^{2}$ , When y-componet of focus and Vertex is same

where Vertex: (h,k)

and p is distance between vertex and focus

The distance between two points is given by :

L= $\sqrt{(X2-X1)^{2}+(Y2-Y1)^{2}}$

For value of p:

p= $\sqrt{(X2-X1)^{2}+(Y2-Y1)^{2}}$

p= $\sqrt{(4-\frac{47}{12})^{2}+((-3)-(-3))^{2}}$

p= $\sqrt{(\frac{1}{12})^{2}}$

p= $\frac{1}{12}$ and p= $\frac{-1}{12}$

Since, Focus is left side of the vertex,

p= $\frac{-1}{12}$ is required value

Replacing value in general equation of parabola,

Vertex: (h,k)=(4,-3)

p= $\frac{-1}{12}$

$(x-h) = 4p(y-k)^{2}$

$(x-4) = 4(\frac{-1}{12})(y+3)^{2}$

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

8 0

3 years ago

30 points 2 questions pls help me

Rasek [7]

Answer:

7n is greater than or equal to 21

t4+10

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

Find the radius if the endpoints of the diameter are (-6,5) and (2, 3).

Fiesta28 [93]

Answer:

x

−

a

)

2

+

(

y

−

b

)

2

=

r

2

Step-by-step explanation:

6 0

3 years ago

CAN SOMEONE HELP ME PLEASE

maxonik [38]

The answer is 20 just plug your choices in to get which one works!

8 0

3 years ago