Answer:
x+y=-10
x-y=-2
Step-by-step explanation:
125 of 200 can be wriiten as:
125
200
Multiply both numerator & denominator by 100
125
200
×
100
100
=
62.5
100
= 62.5%
If you are using a calculator, simply enter 125÷200×100 which will give you 62.5 as the answer.
Answer:
Which expression is equivalent to 5(4x+3)-2x?a 18x+15b 18x+3c 7x+8d 2x+8
A-18x+15
Answer:
Dependent Event
Step-by-step explanation:
Assume that are 10 balls, such that:


If the balls are replaced after taken, the probability is:


This is referred to as independent event; because each selection do not affect the next or previous selection
However, if the balls are not replaced, the probability is:


We subtracted 1 because there is a reduction in the number of balls when the red ball is not returned.
This is referred to as independent event; because a selection affects the next selection
I remember some of this from 6th grade!
a.) the 7th graders have a smaller range compared to the 8th graders.
c.) 30 and 18 are the medians. Subtract them and you get 12.
Hope I could help partially