Two different things u can do
Substitution:
X-9y=12
+9y +9y
X=9y+12

-3(9y+12)+9y=36
-27y-36+9y=36
+36 +36
-18y = 72
/-18 /-18
Y = -4

Or whatever this other I’ve is called

-3x-9y=36
-1(X-9y)=(12)-1

-3x-9y=36
-x+9y=-12

-4x=24
X= -6

8 0

2 years ago

There is a deck of 70 flashcards and each card has a different number ranging from 1 to 70. Find the theoretical probability of

bonufazy [111]

Half the cards are even, 70/2 = 35 even cards.

The probability of picking an even card = 35/70, which reduces to 1/2

4 0

3 years ago

A cricket team won 60% of the total matches it played during the year. If it lost 24 matches in all and no matches were drawn, f

posledela

it lost 100 - 60 = 40% of its games ( = 0.40)

Total games played = 24 / 0.40 = 60 answer

7 0

3 years ago

I don’t know how to do this

zalisa [80]

Answer:

½÷3=0.17

if you're talking about the app, i don't get too

7 0

2 years ago