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Drupady [299]
3 years ago
7

Find the vertex of the parabola y=9x^2+14x+10 and determine whether it is a min or maximum. The vertex is the point (__,__) and

it is a (min or max) _____
Mathematics
1 answer:
Savatey [412]3 years ago
5 0
I think it would a minimum because its positive. and the vertex would be (-.77,4.55) the minimum is 4.55 
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How do I write 3/4 and 1/6 as a complex fraction PLEASE HELP ITS DUE IN 12 mins!!
djverab [1.8K]

Answer:

3/4 as a complex fraction is -1^7/8(fraction form)  and 1/6 as a complex fraction is -5/12 as a fraction

Step-by-step explanation:

6 0
2 years ago
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The vertices of a triangle are P(–8, 6), Q(1, –3), and R(–6, –3). Name the vertices of
xz_007 [3.2K]
The refrection of a point or set of points across the line y = x will result in a point or set of points whose coordinates are the interchange of the x-value and the y-value of the original point or set of points.

Given that the vertices of a triangle are P(-8, 6), Q(1, -3) and R(-6, -3), the vertices of the triangle formed by the refrection Ry=x<span>(ΔPQR) are P'(6, -8), Q'(-3, 1) and R'(-3, -6).</span>
5 0
3 years ago
A gust of wind forces a rock to fall off a cliff that's 20 feet high. This is represented by the function h(t) = –16t2 + 20, whe
Helga [31]

Answer: C.) 1.12 seconds

Step-by-step explanation:

Hi, to answer this question we have to substitute h=0 (when the rock hits the ground the height above it is 0) in the equation given:

h (t) = –16t2 + 20

Solving for t (time)

0= –16t2 + 20

16t2=20

t2=20/16

t=√1.25 =1.12 seconds (option C)

Feel free to ask for more if needed or if you did not understand something.

8 0
3 years ago
FOR BRAINLIEST ANSWER ONLY:<br><br> 2.<br><br> 3.<br><br> 4.<br><br> 6.
nasty-shy [4]

Answer:

2. x = 2 & y = 4

3. x = 4 & y = 2

Step-by-step explanation:

2. x + y = 6

  2x + y = 8  (multiply the first equation by -1,  so you can eliminate the ys)

- x - y = -6

2x + y = 8  (now add the variables together)

x = 2 (plug in x in one of the equations to find out y)

x + y = 6

(2) + y = 6

-2           -2

y = 4

3. 3x + y = 14

          x = 2y (plug in x into the first equation and solve it for y)

3(2y) + y = 14

6y + y = 14

7y = 14

y =  2  (plug in y in one of the equations to find out x)

x = 2y

x = 2(2)

x = 4

4.  One number (x) is 2 more (+2) than twice (times 2) as large as another. their sum is 17. Find the numbers.

2x + 2 = 17 (solve for x)

     -2     -2

2x = 15

x = 7.5

6. 7 (4x + 1) - (x + 6) (start by distributing 7 into the first parenthesis)

  (28x + 7) - (x + 6) (do the same to the other parenthesis by distributing -1)

  (28x + 7)  (-x - 6) (and now just combine like terms)

   28x + 7 - x - 6

   28x - x + 7 - 6

   27x + 1

i hope this helped! if you have any question, pls let me know!

6 0
3 years ago
60% of 10 help me ///////////
balu736 [363]
So 60% = 3/5 
All you do is 3/5 x 10 = 30/5 and get 6
6 0
3 years ago
Read 2 more answers
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