Answer:
A) -x + y = 2
B) x + 2y = 4
we add both equations
3 y = 6
y = 2
We put y = 2 into equation B)
x + 2 * 2 = 4
x = 0
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A) -2x + y = 6
B) x + y = 0
We multiply B) by 2
B) 2 x + 2 y = 0 then we add A)
A) -2x + y = 6
3y = 6
y = 2
Therefore x = -2
Step-by-step explanation:
Step-by-step explanation:
++++5
+++++++_2
1=false
true
false
false
Answer:
The exact answer is 30%
Step-by-step explanation:
Answer:
46.667%
Step-by-step explanation:
Percentage of certified service dogs = 7/15 × 100%
Percentage of certified service dogs = 700/15 %
Percentage of certified service dogs = 46.667%
47%(to the nearest percent)