Answer:
-50
Step-by-step explanation:
if...
x= -40
y= 10
x - y= -40-10 = -50
We know that the deck of cards contain half red and half black cards or you can say we have 26 red cards and 26 black cards.
we have to find probability of red cards from a deck of cards
so,
probability (selecting red card) =

=
Probability ( selecting red card ) = <span>
Answer</span>
Three ventilation fans, each working alone, can clear the smoke out of a room in 12 hours, 16 hours, and 24 hours respectively. How long would it...
Answer:
Arc ECG is the major arc
Step-by-step explanation:
Arc ECG is made by an angle which is greater than 180°.
All the other arcs listed are made by angles which are 180° or less than.
The greater the angle measure the greater the arc length.
Answer:
you need to tell us what error she made first then you would find another way to solve the problem and look at all the posiibiltys
Step-by-step explanation: