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slava [35]
3 years ago
14

What is g(-7) someone pls help

Mathematics
1 answer:
Naya [18.7K]3 years ago
3 0
If f(-3)=-9, g(5)=12 and f(5)=1
then g(-7)=-6
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What is the hyperbola 25x^2-100y-9y^2-90x-350=0 in standard form?
sergij07 [2.7K]
WE need to complete the square on the x and y terms:-

25x^2 - 100x - 9y^2 - 90y = 350
25(x^2 - 4x +    ) - 9(y^2 + 10x       )  =   350 + 25(  )  - 9(  )
25(x^2 - 4x  + 4 ) - 9(y^2 + 10x  + 25)  = 350  + 25(4)  - 9(25)
25(x - 2)^2 - 9(y + 5)^2 = 

25(x - 2)^2   -  9(y + 5)^2          =  225
----------------    --------------            --------
    225                 225                    225

  ( x  - 2)^2         (y + 5)^2  
  -------------   -   --------------  =    1         Answer
        9                    25                               



4 0
3 years ago
Someone Please help me
Cerrena [4.2K]

Answer:

y= -2x+4

Step-by-step explanation:

To find the slope find 2 points and use "rise/run", that will get -2

To find the y-intercept look at where the line crosses the y-axis. that will be 4

so -2x+4

5 0
3 years ago
HELPppp im confused .
mars1129 [50]

Answer:

2x + 7 + 3 - 2

Step-by-step explanation:

standard form

8 0
3 years ago
Derek is 6.5 feet tall and casts a shadow that is 10 feet long. If a basketball hoop next to
Anna [14]

Answer:

example lang po

Flagpole height is 50 ft.

Explanation:

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Let the height of the flagpole be

x

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×

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8 0
3 years ago
Explain how you can tell 5/12 is less than 1/2 without using a model?
castortr0y [4]
5/12 is less than 1/2 because 6/12 = 1/2
Therefore, there are not enough 1/12 pieces to equal or exceed 1/2.
7 0
3 years ago
Read 2 more answers
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