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Alchen [17]
3 years ago
12

When the event is 1/9, the complement of the event is

Mathematics
1 answer:
mamaluj [8]3 years ago
8 0

Answer:

\frac{8}{9}

Step-by-step explanation:

Complement of the event

= 1 -  \frac{1}{9}  \\  =  \frac{9 - 1}{9}  \\  =  \frac{8}{9}  \\

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Q14
posledela

Answer:

42.6cm

Step-by-step explanation:

The sum total of all the sides of the shape is the perimeter of the shape. Hence;

Perimeter = x+3 + 4 + x+9 + 2x+5

Perimeter = 4x + 21

Given

Area of the figure = 75cm^2

Area = (x+3)(2x+5) + (2x+1)(6)

75 = 2x²+5x+6x+15+12x+6

75 =  2x²+23x+21

2x²+23x+21-75 = 0

2x²+23x-54 = 0

x = -23±√23²-4(2)(-75)/4

x = -23±√529+600/4

x = -12±√1129/4

x = -12+33.6/4

x = 21.6/4

x = 5.4

Recall that;

Perimeter = 4x+21

Perimeter = 4(5.4) + 21

Perimeter = 21.6+21

Perimeter = 42.6cm

Hence the perimeter is 42.6cm

8 0
3 years ago
Cosmo bought a power that was on sale 1/3 off the listed price of $129 how much did Cosmo save?
Tom [10]
Cosmo saved about $43.
7 0
3 years ago
Read 2 more answers
A visual-effects model maker for a movie draws a spaceship using a ratio of 1 : 24. The drawing of the spaceship is 22 inches lo
Kay [80]

Answer:

Length of spaceship in movie = 528

Step-by-step explanation:

Given that:

Drawing ratio of spaceship = 1 : 24

It means that 1 inch on drawing equals 24 inches in movie

Drawing of spaceship = 22 inches

Length of spaceship in movie = x

As the relationship is proportional,

1 : 24 :: 22 : x

Product of mean = Product of extreme

24*22 = x

x = 528

Hence,

Length of spaceship in movie = 528

8 0
3 years ago
Help please I feel stupid
deff fn [24]

Answer:

44

Step-by-step explanation:

h(-7) means use the expression labeled h and evaluate it for x=-7.

Like this:

(-7)^2 - 5

49 - 5

44

3 0
3 years ago
I Need Help Fast Please
lbvjy [14]
C. 130,90,130.

#01234, the tenths number stays the same
#56789, the tenths number go up 1 number

4 0
3 years ago
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