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ch4aika [34]
3 years ago
14

Help please I’m so confused lol

Mathematics
1 answer:
DanielleElmas [232]3 years ago
4 0

Answer:

13

Step-by-step explanation:

Just substitute the x with a 4

4² - 4 + 1

16 - 4 + 1

12 + 1

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Ashley can bake 64 cakes in 12 hours how many can she bake in 36 hours
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Answer:

192 cakes

Step-by-step explanation:

36/12= 3

You multiply both numbers by 3:

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What is the vertex of the graph y = x^2 + 6x - 5 ?
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Given:  <span>y = x^2 + 6x - 5.  Then a = 1, b = 6 and c = -5.

The x-coord. of the vertex is given by x = -b / (2a), which here is x = -6 / (2*1) = -3.

Use the given formula </span><span>y = x^2 + 6x - 5 to find the value of y when x = -3:

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Then the vertex is (-3, -14).</span>
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The extensions of the legs AB and CD of a trapezoid ABCD intersect at point E. Find the lengths of the sides of △AED if AB=5cm,
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  AE = 15 cm; ED = 18 cm; AD = 15 cm (given)

Step-by-step explanation:

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   AD/BC = AE/BE = (BE+AB)/BE = 1 + AB/BE

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Similarly, ...

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Then the unknown sides are ...

  AE = AB + BE = 5 + 10 = 15 . . . cm

  ED = CE + CD = 12 + 6 = 18 . . . cm

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