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➷ Angles in a triangle total to 180 degrees
We can form an equation:
x + x + 2 + x + 1 = 180
Simplify:
3x + 3 = 180
Subtract 3 from both sides:
3x = 177
Divide both sides by 3:
x = 59
A = (59 + 2)
A = 61
The correct answer is option A.
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Answer:
19/25
Decimal: 0.76
Percent: 76%
Step-by-step explanation:
Answer:
Step-by-step explanation:
According to the given information, we have
n= 40
Critical z-value for 95% confidence =
Confidence interval :
Hence, the 95 percent confidence interval for this result :
Answer:
x = 11m
Step-by-step explanation:
The longest side is the bottom (15m). If you look at the sides you can see that the side that measures 4m is parallel with the side that measures 15m. Anytime two sides overlap to make x, we can simplify by subtracting or adding. All we need to do is subtract to find the length of x.
15 - 4 = 11m
A. Substitute the value of y into the second equation
3x-5=6x-8
Add 8 to both sides
3x+3=6x
Subtract 3x from both sides
3=3x
Divide both sides by 3
1=x
Then plug in the x value
y= 3(1)-5
y=3-5
y=-2
Final answer: (1,-2)
B. They would intersect at (1,-2). The intersection point is the solution of a system of equations.