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Fynjy0 [20]
3 years ago
11

Find the value of x and y

Mathematics
1 answer:
Alexeev081 [22]3 years ago
7 0

A straight line is 180°.

65°, 31°, and 2y° make/add up to the 180°. So you can do:


65 + 31 + 2y = 180

96 + 2y = 180     Subtract 96 on both sides

2y = 84        Divide 2 on both sides

y = 42


A triangle is also 180°.

(4x - 1), 90°, and 31° make/add up to the 180°, so you can do:


(4x - 1) + 90 + 31 = 180

4x - 1 + 90 + 31 = 180

4x + 120 = 180      Subtract 120 on both sides

4x = 60          Divide 4 on both sides

x = 15

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Find the distance between (3,4) and (3,9) 
riadik2000 [5.3K]

Answer:

5

Step-by-step explanation:

x values are equal, so 9-4 = 5

6 0
3 years ago
F(x) = x2 + 4<br> g(x) = x-5 (fog)(x) = ?
amid [387]

Answer:

x^2 - 10x + 29

Step-by-step explanation:

f(g(x)) = (x-5)^2 + 4

= x^2 - 10x + 25 + 4

= x^2 - 10x + 29

8 0
3 years ago
2. Compare the function ƒ(x) = –x^2 + 4x – 5 and the function g(x), whose graph is shown. Which function has a greater absolute
sergij07 [2.7K]

Answer:

g(x)

Step-by-step explanation:

The vertex of g(x) as shwon in the graph is located in the point wich coordinates are (3.5,6.25) approximatively

We need to khow the coordinates of f(x) vertex

  • Here is a way without derivating:

f(x) = -x² + 4x -5

let a be the leading factor, b the factor of x and c the constant:

  • a= -1
  • b= 4
  • c= -5

The coordinates of a vertex are: (\frac{-b}{2a} , f(\frac{-b}{2a}) )

-b/2a = -4/ (-1*2) = 4/2 = 2

f(2)= -2²+4*2-4 = -4+4-4 = -4

obviosly f(x) has a minimum wich less than g(x)'s maximum

3 0
3 years ago
Need help with this question
Lilit [14]

Answer: 30

Step-by-step explanation: To solve this problem, we're going to have to use the Pythagorean theorem...

a² + b² = c²

24² + 18² = c²

576 + 324 = c²

c² = 900

\sqrt{900}

30

30 = c

I hope this helps!

6 0
3 years ago
Acuve
Mademuasel [1]

%^ERTFGVGHFYF$^%$^%$$^$^%$^%R^%Answer:  ^%$W%%$^R^

Step-by-step explanation:

8 0
3 years ago
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