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BARSIC [14]
3 years ago
11

Someone please help me

Mathematics
1 answer:
Anettt [7]3 years ago
7 0
X^2-12x+36 is a quadratic of the form ax^2+bx+c

It will have factors (x+j)(x+k) where jk=ac=36 and j+k=b=-12.

So j and k must be -6 and -6 so the quadratic factored is:

(x-6)(x-6)


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Let f(x)=x^2-5x+8 and g(x)=x^2-4 (f-g)(x)=
Bogdan [553]
What you do here is subtract g from f: x^2 - 5x + 8 - (x^2 -4); x^2 - 5x + 8 - x^2 + 4; Rearranging gives you x^2 - x^2 - 5x + 8 + 4 which is, simplified, -5x + 12
8 0
3 years ago
A plane can fly 7 miles per minute. The plane will fly 8 trips, and each trip is 810 miles. How many hours will the plane fly? S
ELEN [110]

7*60 = 420

 810/420 = 1.9285

93- 100 = 53-60

subtract 40 from 93. 

1.53*8 = 12.24

Answer: 12 hours and 24 Minutes

If this helps give a brainliest :)

4 0
3 years ago
A small-business Web site contains 100 pages an 60%, 30%, and 10% of the pages contain low, moderate, an high graphic content, r
Karolina [17]

Answer:

fx(x)=[(4! /(x!)*(4-x)!]*[(0.3) ^x]*[(0.7) ^ (4-x)]

Step-by-step explanation:

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F(x) = [(4! /(x!)*(4-x)!]*[(0.3) ^x]*[(0.7) ^ (4-x)]

8 0
2 years ago
1. A scale model of a building is 12 inches tall. The actual building is 120 feet tall. What is the scale factor of the model.
JulijaS [17]

Answer:

i believe it's 18

Step-by-step explanation:

9/6=1.5

27/1.5= 18

4 0
2 years ago
Read 2 more answers
Two cones are similar. The volume of the larger cone is 27 cm³ and the volume of the smaller cone is 8 cm³. The height of the sm
EastWind [94]
The height of larger will be 3 cm
As, 
= ∛8 cm³ * 27 cm³ / (2 cm) ³
= 3cm
8 0
3 years ago
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