Answer:
y=7 and x=-8
Step-by-step explanation:
Isolate x in the first equation:
10x=-17-9y
x=(-17-9y)/10
Substitute into the second equation:
7*((-17-9y)/`10)+10y=14
-119/10+37y/10=14
-119+37y=140
37y=259
y=7
Putting this into the first equation, we get that x=-8
Answer 1) both have spent $30 on the 5th day
All of the angles in a triangle should add up to 180 degrees so if you know 2 out of three you just do subtract 180 by the sum of the two angles.
180-85=95
Because the coin has only two sides, the probability of him getting tails is 1/2, and because of the dice has six sides, the probability of him getting a 3 is 1/6.
It depends. How many different colors are their? If it's all yellow it's 100%. But if there are other colors like green pink or blue we need to know what colors and how many of each. Does it give any more information?