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astra-53 [7]
3 years ago
8

What is the first step when rewriting y = –4x2 + 2x – 7 in the form y = a(x – h)2 + k?

Mathematics
2 answers:
zmey [24]3 years ago
7 0

Answer:

It Is actually B just took the test

Step-by-step explanation:

lubasha [3.4K]3 years ago
4 0

Answer: it might be D

Step-by-step explanation: I think so on edge -4 must be factored from -4x^2-7

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3x-2y=10 3x-2y=14 solve using substitution or elimination. What's the answer?
CaHeK987 [17]
I hope this helps you



-3x+2y= -10


3x-2y=14



-3x+2y+3x-2y= -10+14


0+0= 6


0=6 false it's not inconsistent




8 0
3 years ago
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Please help I’m really stuck
motikmotik

Answer:

A is the correct answer

have a great day

7 0
2 years ago
6x6 divide by 2(3) + 4
dmitriy555 [2]
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36/10? = 18/5 = 3.6 Are u sure that's the question?
7 0
3 years ago
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Help please, Mathematics! If there's a formula include that too, please
mario62 [17]

Answer:

24 Combinations Total

Step-by-step explanation:

METHOD 1 (no advanced math skills needed)

i. Number the friends: a, b, c, and d

ii. List all possible combinations...

  1. a b c d
  2. a b d c
  3. a c b d
  4. a c d b
  5. a d b c
  6. <u>a d c b</u>
  7. b a c d
  8. b a d c
  9. b c a d
  10. b c d a
  11. b d a c
  12. <u>b d c a</u>
  13. c a b d
  14. c a d b
  15. c b a d
  16. c b d a
  17. c d a b
  18. <u>c d b a</u>
  19. d a b c
  20. d a c b
  21. d b a c
  22. d b c a
  23. d c a b
  24. <u>d c b a</u>

To speed up the process instead of sitting here and listing 24 combinations, after two sections you can see that with friend "a" sitting all the way at the left there are six combinations and the same goes for friend "b". You can then multiply 6 (number of combinations with that friend <em>first</em>) and 4 (friends) to get 24.

METHOD 2

n! means the total number for permutations calculation (1 x 2 x ... until you reach <u><em>n</em></u><em> </em>) = 24

6 0
3 years ago
A group of 72 went on a field trip. The students traveled in vans, with an equal number of girls and boys in each van. If 42 boy
kolezko [41]
72-42=30. Because you need to subtract the boys from the whole group. So, there are 30 girls.
3 0
3 years ago
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