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Ymorist [56]
3 years ago
10

What is the value of y

Mathematics
2 answers:
Ilya [14]3 years ago
5 0

Answer: C

Step-by-step explanation: A straight angle is 180 degrees:

180-130 = 50

Triangle angles equal up to 180.

50 + 2y =180

y =65

nasty-shy [4]3 years ago
3 0
<h2>QUESTION -> What is the value of y</h2>

<h2>ANSWER :- </h2>

SUM OF INTERIOR OPPOSITE ANGLES = EXTERIOR ANGLE .

130 = y + y \\ 130 = 2y \\  \frac{130}{2}  = y \\  \frac{ \cancel{130}^ { \tiny  \:  \:  \:  \: 65} }{ \cancel{2}}  = y \\ y = 65   \degree

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Can you Help me out plz!!
Klio2033 [76]

Answer:

14)

21√2

15)

Leg: 7√3

Hypotenuse: 14

Step-by-step explanation:

The hypotenuse is √2 as long as each leg. That means the leg is 42/√2. Simplified to make 21√2.

The hypotenuse is always twice as long as the shortest leg on a 30-60-90 triangle. The longer leg is √3 as long as the shortest side.

4 0
3 years ago
What is the height of the tree to the nearest foot?
goblinko [34]
35
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6 0
2 years ago
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in the figure below, lines a and b are straight and parallel to each other, which angles must be congruent to&lt;1
vlabodo [156]

You have to show a figure

8 0
3 years ago
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castortr0y [4]
Answer: second option y = 2(x + 7/2)^2 + 1/2

Explanation:

1) given:

y = (x + 3)^2 + (x + 4)^2

2) expand the binomials:

y = x^2 + 6x + 9 + x^2 + 8x + 16

3) add like terms:

y = 2x^2 + 14x + 25

4) take common factor 2 of the first two terms:

y = 2 (x^2 + 7x) + 25

5) complete squares for x^2 + 7x

x^2 + 7x = [x +(7/2)x ]^2 - 49/4

6) substitue x^2 + 7x = (x + 7/2)^2 - 49/4 in the equation for y:

y = 2 [ (x + 7/2)^2  - 49/4] + 25

7) take -49/4 out of the square brackets.

y = 2 (x + 7/2)^2 - 49/2 + 25

8) add like terms:

y = 2(x + 7/2)^2 + 1/2

And that is the vertex for of the given expression.

7 0
3 years ago
10. The legs of an isosceles triangle are (3x2 + 4x + 2) inches and the base is
Igoryamba

Answer:

  6x^2 +12x -1

Step-by-step explanation:

The perimeter is the sum of the two leg lengths and the base length:

  P = 2(3x^2 +4x +2) +(4x -5)

  = 6x^2 +8x +4 +4x -5

  P = 6x^2 +12x -1

6 0
2 years ago
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