Answer:
x=-4 and y=10
Step-by-step explanation:
Use the second equation to make y=x+6
sub y=x+6 into the first equation
-x-2*(x+6)=0
-x-2x-12=0
-3x-12=0
3x=-12
x=-4
Now sub x=-4 into the second equation
-(-4)+y=6
y=6+4
y=10
Me i recently finished doing transformations. What's your problem?
Answer: C) 40 degrees
Step-by-step explanation:
if the total angle is 70 degrees and part of it is 30 degrees
then the other part is x degrees
30 + x = 70
30 - 30 + x = 70 - 30
x= 40
Hope this helped!
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Answer: 2718
Step-by-step explanation:
Given: Mean score = 85
Standard deviation = 5
Let x be the score of a random student that follows normal distribution.
Then, the probability that a student scored between 90 and 95 will be

The number of students scored between 90 and 95 = 0.1359 x (Total students)
= 0.1359 (20000)
= 2718
Hence, The number of students scored between 90 and 95 = 2718
Answer:
lol coronavirus is real :(
Step-by-step explanation: