2 years ago

Some one please help me

Mathematics

1 answer:

pantera1 [17]2 years ago

4 0

The red line is y=4
The blue line is x=-4
The green line is y=x-1
The black line is y=-2x+4

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Suppose "35" cars start at a car race. In how many ways can the top 3 cars finish the race?

Thepotemich [5.8K]

Answer:

The value is $\left 35 } \atop }} \right. P_3 = 39270$

Step-by-step explanation:

From the question we are told that

The total number of cars is $n = 35$

The number cars considered is $r = 3$

Generally the number of different top three finishes possible for this race of 35 cars is mathematically represented as

$\left n } \atop }} \right. P_r = \frac{n!}{(n - r) !}$

$\left 35 } \atop }} \right. P_3 = \frac{35! }{(35 - 3) !}$

$\left 35 } \atop }} \right. P_3 = \frac{35 * 34 * 33 * 32! }{32 !}$

$\left 35 } \atop }} \right. P_3 = 39270$

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2 years ago

The perimeter of a rectangle is 96 cm. The length of the rectangle is 10 cm more than the width. Find the length and width of th

Amanda [17]

2x + (2x+20)= 96

Width is 19, Length is 29

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2 years ago

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denpristay [2]

Answer:

37.68 ft^3

Step-by-step explanation:

The parameters used in describing a cone is radius and height

Hence

Radius= 3ft

Height = 2 ft

The volume of a cone is given as

$v=\frac{1}{3} \pi r^2 h$

substitute

$v=\frac{1}{3}*3.14*3^2*2^2\\\\v=\frac{1}{3}*3.14*9*4\\\\v=\frac{1}{3}*113.04\\\\v=37.68 ft^3$

Hence the volume is 37.68 ft^3

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2 years ago

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Angelina_Jolie [31]

Answer:

n = all real numbers

Step-by-step explanation:

7n+12=1/2(14n+24)

multiply each side by 2

2(7n+12)=2*1/2(14n+24)

distribute

14n+24 = 14n + 24

subtract 14n from each side

14n-14n+24 = 14n-14n + 24

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this is always true

n = all real numbers

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2 years ago

What is the slope of the line y = -5 - 3x ? o 3 O 5 0 -3 0 -8

nexus9112 [7]

Answer:

we need to see the plane

Step-by-step explanation:

but, its 0 -8

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2 years ago