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Goshia [24]
2 years ago
13

Please help me out if appreciate it :)

Mathematics
1 answer:
12345 [234]2 years ago
4 0

Answer:

51

Step-by-step explanation:

they are congruent so they are equal to eachotjer

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Step-by-step explanation:

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What is 2 thirds of 60
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Hi. I need help with these questions.<br> See image for question. <br> Please answer no 10 and 11
Tanya [424]

9514 1404 393

Answer:

  10. (x, y) = (-3/8, 2 9/16)

  11. k = -1

Step-by-step explanation:

10. The value of x at the vertex is ...

  x = -b/(2a)

  x = -(-3)/(2(-4)) = -3/8

The corresponding value of y is ...

  y = 2 +(-3/8)(-3 +(-3/8)(-4)) = 2 +(-3/8)(-3/2) = 2 +(9/16)

The vertex is (x, y) = (-3/8, 2 9/16).

__

11. The discriminant is zero when the roots are equal.

  b² -4ac = 0

  (k-1)² -4(1)(-k) = 0

  k² -2k +1 +4k = 0

  k² +2k +1 = 0 . . . . . collect terms

  (k +1)² = 0 . . . . . . . . write as a square

  k = -1 . . . . . . . . . . . . the value of k that satisfies

<em>Check</em>

  x² -2x +1 = (x -1)² = 0 . . . . has equal roots: x=1.

3 0
3 years ago
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Katena32 [7]
My did ask the ppl who make Big Macs
8 0
3 years ago
Solve A = 1/2bh for h
Delicious77 [7]

Answer:

C i think

Step-by-step explanation:

divide both sides by b, then multiply both sides by 2 and get 2A/b =h

6 0
3 years ago
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