A triangle is always 180 degrees. We know that one side is 50 degrees and two of our sides are equal so we can be sure that the other side is 50 degrees this gets us to 100 degrees leaving 80 degrees this means x= 80
Answer:
The estimate is 380
Step-by-step explanation:
78 rounds to 80
63 rounds to 60
81 rounds to 80
86 rounds to 90
74 rounds to 70
Sum -----------
380
Solve the system using substitutions:
x has a value of 1. Use this value to find the value of y.
y has a value of 1.
x=1
y=1
<span>D. {-4, -1, 2, 4.5}
There are 2 ways to solve this: plug it into a graphing calculator or plug in -2,4,10,15 for x in the equation
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Answer:
1/7
Step-by-step explanation:
$1, 7 students
simply put 1 over 7 and you've got your fraction.