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Anarel [89]
2 years ago
13

Jackie bought 15 cookies for $3 . How much will she have to pay for 35?

Mathematics
1 answer:
vampirchik [111]2 years ago
4 0

Step-by-step explanation:

15=3

35=x

15x=3×35

x= 3×35÷15

x=105÷15

x=7

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Answer:

The length of DF must be between 21 and 53.

Step-by-step explanation:

In a triangle, the length of two sides added together must exceed the length of the 3rd side. So, since EF is the shortest of the two givens, we know that EF + DF must be greater than DE. So we can plug in these numbers to find the minimum.

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Now, for the upper maximum, we know that the two given lengths must be greater than the length of DF. So again, we can solve for the maximum using the amounts.

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3 years ago
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The table represents a linear function
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8 0
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Answer:

x = 18.5

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