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Zielflug [23.3K]
3 years ago
11

Two of the angles in a triangle measure 8° and 13°. What is the measure of the third angle?

Mathematics
1 answer:
Mrrafil [7]3 years ago
5 0
The measure of the third angle would be 159 degrees
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3 years ago
Read 2 more answers
How do you solve Y=x+1 x+2y=14 in substitution?
AleksAgata [21]

Answer:

(4, 5 )

Step-by-step explanation:

Given the 2 equations

y = x + 1 → (1)

x + 2y = 14 → (2)

Substitute y = x + 1 into (2)

x + 2(x + 1) = 14 ← distribute and simplify left side

x + 2x + 2 = 14

3x + 2 = 14 ( subtract 2 from both sides )

3x = 12 ( divide both sides by 3 )

x = 4

Substitute x = 4 into (1) for corresponding value of y

y = 4 + 1 = 5

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6 0
3 years ago
Find the midpoint of the line segment with the endpoints (10,−4) and (−9,−2)
alexdok [17]

Answer:

Step-by-step explanation:

(10 - 9)/2 = 1/2

(-4 - 2)/2= -6/2= -3

(1/2, -3) the midpoint

8 0
3 years ago
Write the slope-intercept form equation of the line that passes through (1,-1) and (2, 2).​
mixer [17]

Answer:

The answer to your question is y= 3x - 4.

Step-by-step explanation:

Plot the points (1,-1) and (2,2) and get your slope, in the case of slope-intercept form "m" using the rise/run method. You rise 3 units and run one unit to the right to get from (1,-1) to (2,2), so your slope is 3/1 or just simply 3. -4 is your y-intercept, or "b", because if you plot the two aforementioned points (1,-1) and (2,2) and make a line with them, your line meets the y-axis at the point (0, -4). Hope this helps!

4 0
3 years ago
A store sells peanuts by the pound. Jerry paid 4.59 for 5.4 pounds of peanuts. At that rate, how much would he pay for 7.8 pound
nikdorinn [45]
If $4.59 = 5.4 peanuts
         $x = 7. 8 peanuts

Cross multiply and you get:

5.4x = (4.59)(7.8)
      x = ((4.59)(7.8)) / 5.4
      x = $6.63
6 0
3 years ago
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