Step-by-step explanation:
multiply 5x+2y=19 by 3 youll get 15x+6y=57
eliminate y
7x-6y=9
<u>15x+6y=57</u><u> </u> +
22x=66
x=3
substitute x to 5x+2y=19
15+2y=19
2y=4
y=2
Answer:
17.75
Step-by-step explanation:
Unit price means the price of a single unit so we have to divide 88.75 by 5
88.75 ÷ 5 = 17.75
Answer:
0 is a rational number, whole number, integer, and a real number.
Step-by-step explanation:
Answer:
acute scalene
Step-by-step explanation:
acute because all angles below 90 degrees, scalene because no sides are the same length
Answer:
C and X , B and L , A and W , D and G are congruent