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ser-zykov [4K]
3 years ago
11

Out of 2000 students in high school

Mathematics
1 answer:
Veseljchak [2.6K]3 years ago
8 0

What’s the question

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Andy completes the square for the equation x2 + 6x - 8 = 0. Which of the following equations reveals the vertex of the parabola?
Stolb23 [73]
If the equation x^2+6x-8 has undergo completing the square, the answer would be:
x^2+6x-8

x^2+6x+9-8-9
**In this example, since 6x is the middle term, what comes to my mind is the polynomial (x+3) because 2ab results into 6x. [from the special products lesson (a+b)^2=a^2+2ab+b^2 ] 
(x+3)^2 -17 = 0
So if the equation is equal to y, then this equation's
y+17=(x+3)^2
The vertex would be on the point (-3, -17)
3 0
3 years ago
Read 2 more answers
What is the formula to find radius of the circle
klio [65]

Answer:

R= diameter ÷ 2

Step-by-step explanation:

the radius is half the diameter.

7 0
3 years ago
The difference between one-fifth of a number and 4 is -75
Varvara68 [4.7K]
Think of this as (1/5)x - 4 = -75, where x is the number that we are trying to figure out. To figure this out, we want to get x by itself, so we can go:

(1/5)x=-71
x=-71*5
x=-355

So your number is -355
7 0
3 years ago
What is the name the special hat worn during Mardi Gras?
PilotLPTM [1.2K]
Hello!!

I believe the correct answer to your question is capuchon. These are cone shaped ceremonial hats worn durning Mardi Gras.

Hope I helped with a detailed description. Have a nice night!
~Brooke❤️
3 0
3 years ago
Suzanne gets 7% commission on all of her sales. If she makes a sale of $350,000, how much commission will she make?
sasho [114]

Answer:

$24,500 of commission

Step-by-step explanation:

350000*0.07 = 24,500

4 0
2 years ago
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