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Daniel [21]
3 years ago
15

WILL AWARD BRAINLIEST!!! PLEASE HELP! URGENT!

Mathematics
2 answers:
irina1246 [14]3 years ago
4 0
It is A) horizontal. The directix lies directly above the vertex of a parabola, and it is a straight horizontal line.
Hope it helps :)
Leokris [45]3 years ago
3 0
A) because the directix it the line in which the parabola does not pass through so it can only go though the horizontal because the parabola never ends given that its a line and it slanted so it will always pass through the y axis but if the vertex is above the x axis then it will never pass below it. 
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Can someone help me with my homework it was due last week
marissa [1.9K]

Answer:  For number 1, I think that -9.25 is not an integer. Number 2 it is -2. #3, the answer is $6.02. #4 is $15.31.  #5 is B. 3/4 =15/6.

Step-by-step explanation:

I don't really know how to explain #1 to you, so sorry. Number 2 it is -2 because -5 + 13 is 8. Then when you subtract 10 from 8 you get -2. Number 3, the answer is $6.02 because you know that it costs $4.30 for each pound. She got 1.4 pounds of bacon. Multiply to find your answer. Number 4 is $15.31. Since you need to multiply 12.95 by 2. He got 2 shirts for 12.95 so that's why. Then add 8.79 to 12.95 to get $15.31. Number 5, 3/4 is not equivalent to 15/16. Hope this helps!!!!!

4 0
3 years ago
Trình bày một số ứng dụng của công thức cộng , công thức nhân trong ghép nối các thiết bị để tăng độ tin cậy trong hệ thống
liraira [26]

Answer:

ano po pakitagalog Po pls Hindi ko po kasi maintindihan

8 0
3 years ago
Julia collects colored beads for craft projects. Of julia's beads, 4/9 are silver, 1/5 are, gold and 1/4 are blue. The rest of t
klemol [59]

Answer:

19 red beads

Step-by-step explanation:

We first need to find a common denominator of 4/9, 1/5 and 1/4.

The common denominator is 180. Like in an expression, what we do to one side we have to do to the other.

Silver - 180/9 = 20 ; 20*4 = 80 so there are roughly 80 sliver beads.

Gold - 180/5 = 36 ; 36*1 = 36 so there are roughly 36 gold beads.

Blue - 180/4 = 45 ; 45*1 = 45 so there are roughly 56 blue beads.

180 - (silver+gold+blue) = red beads

180-161 = 19 red beads b/c ----->

80+36+45+19 = 180

4 0
3 years ago
The coordinates of the three vertices of the triangle are A (x1, y1), B (x2, y2), C (x3, y3).
kaheart [24]

Answer:

Step-by-step explanation:

Using the section formula, if a point (x,y) divides the line joining the points (x  

1

​

,y  

1

​

) and (x  

2

​

,y  

2

​

) in the ratio m:n, then  

(x,y)=(  

m+n

mx  

2

​

+nx  

1

​

 

​

,  

m+n

my  

2

​

+ny  

1

​

 

​

)

The vertices of the triangle are given to be (x  

1

​

,y  

1

​

),(x  

2

​

,y  

2

​

) and (x  

3

​

,y  

3

​

). Let these vertices be A,B and C respectively.  

Then the coordinates of the point P that divides AB in l:k will be

(  

l+k

lx  

2

​

+kx  

1

​

 

​

,  

l+k

ly  

2

​

+ky  

1

​

 

​

)

The coordinates of point which divides PC in m:k+l will be  

⎩

⎪

⎪

⎪

⎨

⎪

⎪

⎪

⎧

​

 

m+k+l

mx  

3

​

+(k+l)  

(l+k)

lx  

2

​

+kx  

1

​

 

​

 

​

,  

m+k+l

my  

3

​

+(k+l)  

(l+k)

ly  

2

​

+ky  

1

​

 

​

 

​

 

⎭

⎪

⎪

⎪

⎬

⎪

⎪

⎪

⎫

​

 

⇒(  

m+k+l

kx  

1

​

+lx  

2

​

+mx  

3

​

 

​

,  

m+k+l

ky  

1

​

+ly  

2

​

+my  

3

​

 

​

)

6 0
3 years ago
Question 2 (6 points)
alexdok [17]

Answer:

here

Step-by-step explanation:

it is basically a sector , use the area formula i.e.  

[(theta)/360]*πr^2

4 0
3 years ago
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