3 years ago

A few probability questions. Quickly please :) I have tried to do them but seem to be unable to figure these 2 out.

1 answer:

4 0

1.choosing a red marble since the probability would be 7/12 but the blue would be 5/12 so red is most possible
2.the possibility of a red being chosen is 2/20=1/10

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Raymond is four times as old as christine plus 5 years.Write an algebraic expression for Raymonds age in terms of christine age

igor_vitrenko [27]

Answer:

4c + 5 = R

Step-by-step explanation:

This should help you

8 0

3 years ago

If the product of the extremes is 8,then the geometric mean is. A) 2. B) 2√2. C) 4

Rainbow [258]

if,

p/x=x/q

then cross-multiplying gives x^2=pq

x^2=pq. Taking the square root of both sides, we get x=√pq as the geometric mean of p and q.

Hence in the given question the product of p and q is 8.

so,

x=√8

x=2√2

4 0

2 years ago

Can you extend the zero product property to non zero products of numbers? For example, if ab=8, is it always true that a=8 or b=

larisa [96]

That is not always true because think of it as ab=8 that is just like saying (8)(8)=8 which is absolutely false. If anything it can be either a or be equals 8 while the other variable is 1. (1)(8)=8 or (8)(1)=8

4 0

2 years ago

141/56 as a mixed number

elixir [45]

I believe its 2 and 1/2

I'm so sorry if its not but I would guess it is :)

6 0

3 years ago

Read 2 more answers

Determine whether each given value of x satisfies the inequality x+1<x/3

Vinil7 [7]

$x+1 < \dfrac{x}{3}\ \ \ \ |\cdot3\\\\3x+3 < x\ \ \ \ |-3\\\\3x < x-3\ \ \ \ |-x\\\\2x < -3\ \ \ \ |:2\\\\x < -1.5$