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FrozenT [24]
2 years ago
7

I need this solved please

Mathematics
2 answers:
ss7ja [257]2 years ago
8 0

Answer:

x=23

y=128

Step-by-step explanation:

98=2x+3x-17

98=5x-17

115=5x

x=23

3x-17+y=180

3(23)-17+y=180

69-17+y=180

y=128

ss7ja [257]2 years ago
7 0

Answer:

x = 23

y = 128

Step-by-step explanation:

Theorem:

The measure of an exterior angle of a triangle is equal to the sum of the measures of its remote interior angles.

98 = 2x + 3x - 17

115 = 5x

x = 23

Angles 3x - 17 and y form a linear pair, so they are supplementary.

3x - 17 + y = 180

3(23) - 17 + y = 180

69 - 17 + y = 180

52 + y = 180

y = 128

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Answer:

Step-by-step explanation:

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5 0
2 years ago
problem: report error when the measures of the angles of a triangle are placed in order, the difference between the middle angle
laiz [17]

The triangle's biggest angle's measurement in degrees is 97°.

What is a triangle?

  • A triangle is a polygon with three vertices and three sides. The angles of such a triangle are formed by the connection of the three sides end to end at a point. The triangle's three angles add up to 180 degrees in total.
  • All of the angles in an acute triangle are below 90 degrees.
  • Any angle in an obtuse triangle is larger than 90 degrees.
  • There is just one 90-degree angle in a right triangle.

Let a+b+c=180° with a < b < c

c-b=b-a\\c=2b-a | a=180-b-c\\c=2b-(180-b-c)\\c=2b-180+c+c | -c\\0=2b-180+b\\180=3b\\b=\frac{180}{3} \\b=60

Moving angle c of the triangle,

c=2b-a | a=23, b=60\\c=2(60)-23\\c=120-23\\c=97

The triangle's biggest angle's measurement in degrees is 97°.

Learn  more about triangles here:

brainly.com/question/25215131

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5 0
1 year ago
Pls help ily I’ll give brainliest if you show ur work
Elenna [48]

Answer:

102 will be the correct answer

7 0
3 years ago
Which of the following are solutions to the equation below? x2 + 6x + 9 =6
svetoff [14.1K]
The correct answer would be 3 +/- \sqrt{6}

In order to solve for this you must first get the equation equal to 0. 

x^2 + 6x + 9 - 6 ----> simplify like terms
x^2 + 6x + 3

Now knowing this we can use the coefficients of each one in descending order of power as a, b and c. 

a = 1 (because it is the coefficient to x^2)
b = 6 (because it is the coefficient to x)
c = 3 (because it is the end number)

Now we can plug these values into the quadratic equation. 

\frac{-b +/- \sqrt{b^{2} - 4ac } }{2a}

\frac{-6 +/- \sqrt{6^{2} - 4(1)(3) } }{2(1)}

3 +/- \sqrt{6}

And those would be your two answers.
8 0
3 years ago
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Svetlanka [38]

Answer:

a=3

bp=4a_3

im not sure..

5 0
3 years ago
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