If you work out the fraction of 1600 that 640 you can apply this to the number of 6s, that she based this off of.
640÷1600=0.4
To calculate the number of times she rolled the dice you do 8÷0.4=20.
Therefore she rolled the cube 20 times to get 8 6s.
Answer:
90 degrees cuz the lil square thang
Answer:
Infinite solutions
Step-by-step explanation:
3(2d-1)-2d=4(d-2)+5 | Given equation
6d - 3 - 2d = 4d - 8 + 5 | Distribute
4d - 3 = 4d - 3 | Combine like-terms
4d = 4d
Infinite solutions, the terms are equal.
Rewrite the right side of the equation
in the following way:
.
Then the equation is
and
.
So,
and
The equation has two solutions:
and
.