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aev [14]
3 years ago
10

What is the vertex of g(x) = 8x2 - 64x

Mathematics
1 answer:
Ainat [17]3 years ago
8 0
Hi, check my ans, tell me if anything is wrong. Ok?

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PLZ HELP ASAP FEATURES OF A CIRLE FROM EXPANDED EQUATION
Lana71 [14]
First we need to convert the given equation to standard form, only then we can find the center and radius of the circle.

x^{2} + y^{2} +18x+14y+105=0 \\  \\ 
 x^{2} +18x+ y^{2}+14y=-105 \\  \\ 
 x^{2} +2(x)(9)+ y^{2}+2(y)(7)=-105 \\  \\ 
x^{2} +2(x)(9)+ 9^{2} + [y^{2}+2(y)(7)+7^{2}]  =-105+9^{2}+7^{2}  \\  \\ 
 (x+9)^{2}+ (y+7)^{2}=25  


The standard equation of circle is:

(x-a)^{2} + (y-b)^{2}= r^{2}

with center (a,b) and radius = r

Comparing our equation to above equation, we can write

Center of circle is (-9, -7) and radius of the given circle is 5 
8 0
3 years ago
1. Factor the trinomial: x2 - 7x - 8
telo118 [61]

1. A

-8+1=7 and 8*1=8

2. A

-5*8= -40 and 8-5= 3


7 0
3 years ago
One serving of punch is 250 milliliters will ten servings fit in a 2-liter Bowl????
photoshop1234 [79]
It will be enought explaination:

First of all I jsed a chart to find where milli is located
K H D U D C M.
M stands for milli so it takes 1000 milli to get 1 liter.
Since 250 milli is one serving
250x10=2500
Evn thiugh it is above 2000 it still a yes
6 0
3 years ago
The cost for b, breakfasts, l, lunches, and d, dinners for a group of people is 6.5b + 9.757 + 17.25d. What is the total cost of
ira [324]

Answer:

417.084

Step-by-step explanation:

9*6.5+12*9.757+14*17.25

58.5+117.084+241.5

⇒417.084

5 0
3 years ago
Read 2 more answers
A 39-foot piece of string (hypotenuse) is stretched from the top of a 18-foot flagpole to the ground. How far is the base of the
ivann1987 [24]

9514 1404 393

Answer:

  34.6 ft

Step-by-step explanation:

The distance can be found using the Pythagorean theorem. Where a, b, c are the sides of a right triangle with c as the hypotenuse, it tells you ...

  a² + b² = c²

  a = √(c² -b²)

  base-to-string = √(39² -18²) = √1197 ≈ 34.598

The distance from the base of the pole to the end of the string is about 34.6 feet.

7 0
2 years ago
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