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riadik2000 [5.3K]
3 years ago
14

In which equation does the vertex have a negative x coordinate? select all that apply.

Mathematics
1 answer:
Ne4ueva [31]3 years ago
7 0

answer is 1) y = - 3x^2 -7x + 4

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PLEASE I NEED HELP URGENTLY
aleksandrvk [35]

Answer:

4.95+0.10x=120

Step-by-step explanation:

Hope this helps

5 0
2 years ago
MARKING AS BRAINLIEST!! Starr if given functions are inverse)!
Kitty [74]

Answer: They are inverses of each other

==========================================================

Explanation:

We'll need to compute h(f(x)) and f(h(x)) to see if we get x each time.

h(x) = 9x-4\\\\h(f(x)) = 9(f(x))-4\\\\h(f(x)) = 9\left(\frac{x+4}{9}\right)-4\\\\h(f(x)) = x+4-4\\\\h(f(x)) = x\\\\

and,

f(x) = \frac{x+4}{9}\\\\f(h(x)) = \frac{h(x)+4}{9}\\\\f(h(x)) = \frac{9x-4+4}{9}\\\\f(h(x)) = \frac{9x}{9}\\\\f(h(x)) = x\\\\

Both composite functions lead to x each time.

The equations h(f(x)) = x and f(h(x)) = x being true means each function is the inverse of the other.

5 0
2 years ago
Read 2 more answers
Noah spent 25 hours working on his car. He spent 4/5 of his time working on the transmission. How much time did Noah spend worki
xenn [34]

Answer:

5 hours

Step-by-step explanation:

4/5 is 20 of 25, so there are 5 hours left which is your answer!

6 0
3 years ago
Find surface of rectangular prism show work please
Lesechka [4]

Answer:

so basically you have to multiply all the numbers and divide by 2 and the rest is self explanatory

6 0
2 years ago
Jada has d dimes she has more that 30 cents but less than a dollar can d be 10
gavmur [86]

Answer:

no

Step-by-step explanation:

30 cents < 10 cents/dime ×  d dimes <  1 dollar × 100 cents/dollar

   if d = 10

30 cents < 10 cents/dime ×  10 dime < 1 dollar × 100 cents/dollar

30 cents < 10 cents/dime ×  10 dime < 1 dollar × 100 cents/dollar

     notice how the units bolded all cancel out, just leaving cents

30 cents < 100 cents  is NOT < 100 cents

3 0
3 years ago
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