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Olegator [25]
2 years ago
7

Which of the following is NOT a name of this angle?A. ∠JB. ∠HJKC. ∠KJHD. ∠HKJ

Mathematics
1 answer:
s2008m [1.1K]2 years ago
5 0

Answer:

A and D are wrong because if j is the point being focused on the letter should be in the middle of the other letters

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The function f(x) = x2 + 22x + 58 is translated 4 units to the right and 16 units up. What is the vertex form of the new functio
kap26 [50]

Answer:

The new function is (x + 7)² - 47 ⇒ the 3rd answer

Step-by-step explanation:

* Lets put the function f(x) in the vertex form at first and then make

 the translation

∵ The general form of the quadratic function is

  f(x) = ax² + bx + c

∵ The x-coordinate of the vertex of the function is -b/2a

∵ The y-coordinate of the vertex of the function is f(-b/2a)

- Lets find a , b from the function two find the vertex point

∵ f(x) = x² + 22x + 58

∴ a = 1 , b = 22 , c = 58

∵ x-coordinate of the vertex = -b/2a

∴ x-coordinate of the vertex = -22/2(1) = -11

∵ y-coordinate of the vertex = f(-11)

∴ f(-11) = (-11)² + 22(-11) + 58 = 121 - 242 + 58 = -63

∴ The vertex point is (-11 , -63)

- The vertex form of the quadratic function is f(x) = (x - h)² + k , where

  (h , k) are the coordinates of the vertex point

∵ The vertex point is (-11 , -63)

∴ h = -11 , k = -63

∴ f(x) = (x - -11)² + -63

∴ f(x) = (x + 11)² - 63

* lets revise the rules of the translation

- If the function f(x) translated horizontally to the right  

 by m units, then the new function g(x) = f(x - m)

- If the function f(x) translated horizontally to the left  

 by m units, then the new function g(x) = f(x + m)

- If the function f(x) translated vertically up  

 by n units, then the new function g(x) = f(x) + n

- If the function f(x) translated vertically down  

 by n units, then the new function g(x) = f(x) – n

∵ f(x) will translate 4 units to the right

∴ m = 4

∵ f(x) ⇒ f(x - m)

∴ (x + 11)²  ⇒ (x + 11 - 4)² = (x + 7)²

∵f(x) will translate 16 units up

∴ -63 will add by 16

∴ n = 16

∴ f(x) ⇒ f(x) + n

∵ -63 + 16 = -47

∴ The new function is (x + 7)² - 47

5 0
3 years ago
Read 2 more answers
during a Major League playoff series there was 43242 people in attendance at the first game and 44106 people in the attendance o
RSB [31]
There were 87,348 people who attended the games.
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3 years ago
What is greater than 1/2 what fractions are greater than 1/2 ​
Lelu [443]

Answer:

3/4

Step-by-step explanation:

3/4 is one example of a fraction that is greater than 1/2. If 1/2 become 2/4, therefore 3/4 is a fraction which is greater than 1/2.

5 0
2 years ago
The price of a pair of sunglasses was reduced from $55 to $33. By what percentage was the price of the sunglasses reduced?
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22% because the doubt know
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Paula spent 3/8 of her allowance on clothes and 1/6 on entertainment. What fraction of her allowance did she spent on other item
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3/8 x 3 = 9/24
1/6 x 4 = 4/24
9/24 + 4/24 = 13/24

24/24 - 13/24 = 11/24
3 0
3 years ago
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