Answer:
16
Step-by-step explanation:
Rearrange this data set in increasing order: -6 -5 -3 -1 6 10
The range is the difference between the highest value and the smallest:
10 - (-6) = 16
Answer:
C
Step-by-step explanation:
x + 2y = 21
4x + y = 21
Multiply the second equation by -2 to get:
-8x - 2y= -42 {Add this to the original equation; y's will be eliminated}
+ x + 2y = 21
-7x = -21
x = 3
see if y = 9 works . . .
3 + 2(9) = 21 and it does
Answer:
90°grados es la respuesta
Use the law of cosines. c^2= a^2 + b^2 - (2ac*cos (C))
from first equation x = 7 + 2y. Substitute this into second equation:-
2(7 + 2y) + 5y = 5
9y = -14 + 5 = -9
y = -1
Plug this into the first equayion
x - 2(-1) = 7
x = 5
Answer is x = 5, y = -1 .