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kupik [55]
2 years ago
10

4 cookies cost $7. At this rate, how much will 9 cookies cost?

Mathematics
1 answer:
Alja [10]2 years ago
4 0

Answer:

$15.75

you multiply the 4 cookies by 2 to get 8 ($14), then, you divide 7 by 4 to get the cost of one cookie ($1.75). add that to 14, and thus, your answer.

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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,
Lynna [10]

Answer:

  AE = 15 cm; ED = 18 cm; AD = 15 cm (given)

Step-by-step explanation:

ΔBEC ~ ΔAED so ...

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

Substituting given numbers (lengths in centimeters), we have ...

  15/10 = 1 + 5/BE

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Similarly, ...

  1/2 = 6/CE

  CE = 12

Then the unknown sides are ...

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8 0
3 years ago
Find. What part of 40 is 16?
levacccp [35]

Answer:

40%

Step-by-step explanation:

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8 0
3 years ago
PLEASE HELP IM STUCK ON A PROBLEM....
sleet_krkn [62]

Answer:

Number line A.

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5 0
2 years ago
What is slope and how do you find it??
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the formula for slope is

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so just replace y and x for the proper values

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2 years ago
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