Answer:
the estimated answer is A: 9.75.
<em>(</em><em>the</em><em> </em><em>actual</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em>9.6</em><em>6</em><em>,</em><em> </em><em>so</em><em> </em><em>rounding</em><em> </em><em>up</em><em> </em><em>makes</em><em> </em><em>it</em><em> </em><em>9.7</em><em>5</em><em>)</em>
Answer:
10°
Step-by-step explanation:
the sum of interior angles of triangle is 180°
so. 8x+x+90°=180°
9x=90°
x=10°
2 and 3/5 boxes because 1/5 + 2/5 = 3/5, and 2 + 3/5 = 2 and 3/5
Answer: getting hit by a dodgeball
Step-by-step explanation:
Answer:
<em>x = 18.25</em>
<em>y = 15.25</em>
Step-by-step explanation:
System of Equations:
Solve:
3x + 5y = 131 [1]
6x + 2y = 140 [2]
Multiplying [1] by -2:
-6x - 10y = -262 [3]
Adding [2] and [3]:
-8y = -122
y = -122/(-8)=15.25
y = 15.25
Substituting in [1]
3x + 5(15.25) = 131
3x + 76.25 = 131
3x = 54.75
x = 54.75/3
x = 18.25
Thus:
x = 18.25
y = 15.25