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wariber [46]
3 years ago
5

What does X-3times X+5 equal

Mathematics
1 answer:
Sav [38]3 years ago
8 0

Answer:

x^2 + 2x - 15

Step-by-step explanation:

FOIL , multiply firsts (F), then outsides (O), then insides (I), then lasts(L)

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Find the area of the circle. 9mm.​
Naya [18.7K]

Step-by-step explanation:

The answer is 254.57142857

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Nina knows that the average of the x-intercepts represents the line of symmetry for a quadratic function through the x-axis. Whi
USPshnik [31]
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3 years ago
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write in complete standard form then give the center and radius of each circle and graph the equation x2+y2-4x-12y-9=0
kakasveta [241]
Standard form;

(x - 2)² + (y - 6)² = 49

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8 0
4 years ago
What is the volume of the can below? Use Pi = 3.14 and round your answer to the nearest tenth. A cylinder with height 96 millime
Serga [27]

Answer:

328,268 mm^3

Step-by-step explanation:

The can in this problem has a cylindrical shape. The volume of a cylinder can be calculated with the following formula:

V=\pi r^2 h

where

r is the radius of the base of the cylinder

h is the height of the cylinder

In this problem we have:

h = 96 mm is the height of the can

d = 66 mm is the diameter of the can

So the radius of its base is

r=\frac{d}{2}=\frac{66}{2}=33 mm

And therefore, the volume of the can is:

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7 0
3 years ago
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PLEASE HELPO 25 POINTS
Grace [21]

Answer:

an = 1/2 (n) (n+1)

Step-by-step explanation:

1,3,6,10,.........

3-1=2

6-3=3

Each term is different so there is no common difference.  It is not an arithmetic sequence

3/1=3

6/3 =2

Each term is different so there is no common ratio.  It is not a geometric sequence

1       3            6        10

  +2          +3          +4


a1 = 1

a2  = 3

a3 = 6 = 2*3

a4 =  10 = 2*5


6 0
3 years ago
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