adam had used 84 wihite squares 20 more white than yellow and 15 more red than yellow. what is the number of red squares adam used.

Number of red squares used are 79.

Step-by-step explanation:

Given that Adam had used 84 white squares.

White squares used are 20 more than that of yellow.

Let yellow squares used =

( + 20) is the number of white squares used.

Also given that 15 more red than yellow

So, Number of red squares used =

To find:

Number of red squares that Adam used.

Solution:

As per given statement:

White squares used =

Number of yellow squares used, = 64

Number of red squares =

So, Number of red squares used are 79.

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0

16 is the absolute value

step-by-step explanation: