What is the probability of 3c5

Mathematics

1 answer:

frosja888 [35]3 years ago

3 0

Answer:

Step-by-step explanation:

The question is wrong it should be 5C3

5C3=5!/((5-3)!•3!)=5!/(2!•3!)

=(5•4•3•2•1)/(2•1•3•2•1)

=10

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y = -16x2 + 32x - 10 This parabola has x-intercepts, representing the times when the dolphin's height above water is feet.

Lina20 [59]

Answer: This parabola has 0.3875 x-intercepts,
representing the times when the dolphin's height above water is 
0 feet.

The x-intercept is the point where the graph crosses the x-axis, which is when the value is y=0.
The calculation for y=0 would be
Y = -16x2 + 32x - 10
0 = -16x2 + 32x - 10
-8x2 + 16x - 5=0

-b +-√(b^2-4ac) /2a=
-16 +-√(16^2-4(-8)(-5)) /2(-8) =
-16+- √(256-160/ -16 =
-16+- √(96/ -16 =
-16+- 9.8/ -16 =
x1= 0.3875
x2= -1.6125

6 0

3 years ago

Read 2 more answers

I figured out that it's A but i need to how many square yards is the combined area of the plot NO LINKS AND NO DOING IT JUST FOR

goblinko [34]

Answer:

I believe both are 80 or 40

Step-by-step explanation:

5 0

2 years ago

NEED HELP ASAP!!!!!!!!!!

WITCHER [35]