4x + 3y = 65
X + y = 18
When you use elimination, multiply the second equation by -3
4x + 3y = 65
-3X -3y = -54
X = 11
X+y = 18
11 + y = 18
Y = 7
The options are;
A) b + c = 90
B) 90 + c = 180
C) b + c = 180
D) 42 + b = 150
Answer:
C) b + c = 180
Step-by-step explanation:
From angle theorems, we know that sum of angles on a straight line is 180°
Now, c and 42° form a straight line.
Thus;
c + 42 = 180°
c = 180 - 42
c = 138°
Similarly b and c form a straight line and so;
b + c = 180°
From the given options, the only correct one is Option C.
Answer:
her kids are gonna get diabetes
Step-by-step explanation:
after 1 min 5 cupcakes
after 2 min 10 cupcakes
after 5 min 25 cupcakes
after 17 min 85 cupcakes
your x intercept is gonna be minutes
your y is the amount of cupcakes they eat in those different stretches of time
Answer:
Adult = 114
Students = 86
Step-by-step explanation:
If 200 tickets were sold between students and adults (A + S = 200) and 28 tickets were sold more for adults than for students (A = S + 28), then
;
A+S=200 ; A=S+28 →
(S+28)+S=200 → 2S+28=200 → 2S=200-28 → S=172/2 =86
Replacing S in A
A=86+28 = 114