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slava [35]
3 years ago
7

Write the quadratic function in vertex form. y = x2 + 18x + 71

Mathematics
2 answers:
il63 [147K]3 years ago
6 0
X=67
___
20
??? Is that what you needed idk lol
Kisachek [45]3 years ago
4 0
It is going to look like y=(x+9)2+k for some kto find k replace x by −9 in the original expression and see what you get because y=(−9+9)2+k=0+k=k
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What is -3(6x+4)+20x
Leona [35]

Answer:

2x - 12

Step-by-step explanation:

Given:

-3(6x+4)+20x

Distribute:

-18x-12+20x

Combine like terms:

2x-12

Hope this helps, have a nice day :))

3 0
3 years ago
Read 2 more answers
Solve the system using elimination.
riadik2000 [5.3K]
1.)  6x=12
x=2
3(2)+3y=-9
6+3y=-9
3y=-3
y=-1
(2,-1)

2.) 7x=-35
x=-5
5x+2y=-19
5(-5)+2y=-19
-25+2y=-19
2y=-44
y=-22
(-5,-22)

3.) 4x=-16
x=-4
2(-4) +3y=1
-8+3y=1
3y=-7
y=-7/3
(-4,7/3)

4.)7x=35
x=5
2(5)+3y=-5
10+3y=-5
3y=5
y=5/3
(5,5/3)

5.) 2x=-8
x=-4

x+4y=4
-4+4y=4
4y=0
y=1
(-4,1)


7 0
3 years ago
6. A bookstore recorded a decrease in the sales of paperback books over the past year. From last year to this year the store exp
tensa zangetsu [6.8K]

Answer:

6966

Step-by-step explanation:

7740*10%=774

7740-774=6966

5 0
3 years ago
The graph of y=f(X) is shown below. Graph y=1/2f(x)
lubasha [3.4K]

Answer:

The grap is a partial line , showing to be negative. The y-int is -3 and the slope is -1/2

Top answer · 0 votes

So then the linear function is y = f(x) = (-1/2)X - 3 y = g(x) = 1/2 * f(x) = (-1/4)x - 3/2 y-intercept is (-1/4)(0) - 3/2 = 0 - 3/2 = -3/2 ... More

3 0
3 years ago
Can someone please answer it correctly if it’s correct I will mark you brainliest
snow_tiger [21]

Answer:

6 blooms

Step-by-step explanation:

40 x 15%

40 x 0.15 = 6

3 0
3 years ago
Read 2 more answers
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