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Radda [10]
3 years ago
11

Need help plz help plz

Mathematics
1 answer:
Artyom0805 [142]3 years ago
4 0

Answer:

x = 11

Step-by-step explanation:

Given

The attached triangle

Required

Find x

The theorem that applies to this question is the theorem of external angles. And it translates to:

11x +2 = 58 + 5x + 10

Collect Like Terms

11x -5x  = 58 + 10-2

11x -5x  = 66

6x = 66

Divide through by 6

\frac{6x}{6} = \frac{66}{6}

x = \frac{66}{6}

x = 11

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Answer:

False

Step-by-step explanation:

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3 0
1 year ago
2. Write the slope-intercept form of the equation for each graph described. Line passing through (-5, 12) and parallel to the li
Nostrana [21]

Answer:   y = 2x+22

========================================================

Explanation:

The equation y = 2x+5 is in the form y = mx+b

m = 2 = slope

b = 5 = y intercept

Parallel lines have equal slopes, but different y intercepts. So the answer will be in the form y = 2x+c, where b and c are different numbers. Since b = 5, this means c must be some other number. If c = 5, then we'd have the exact same line.

Let's plug in (x,y) = (-5,12), along with the slope m = 2, and solve for c

y = mx+c

12 = 2(-5)+c

12 = -10+c

12+10 = c

22 = c

c = 22

Since m = 2 and c = 22, we go from y = mx+c to y = 2x+22

The equation of the parallel line is y = 2x+22

The graph is below.

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