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sasho [114]
3 years ago
7

Mikayla has $30 in a cafeteria account. She spends $3 each day for lunch. Which equation matches Mikayla's situation?

Mathematics
1 answer:
Reptile [31]3 years ago
5 0

Answer:

y=30-3x

Step-by-step explanation:

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Total cost of a $56.53 meal after including a 17% tip?
monitta
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-7/9

Step-by-step explanation:

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A rubber ball has a radius of about 2.86 in. Can the ball be packaged in a box shaped like a cube with a volume of 125 in3?
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3 years ago
Which angles are supplementary
Naddik [55]

Answer:

∆pkl and ∆nkl

Step-by-step explanation:

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3 0
3 years ago
8
tia_tia [17]

Answer:

8-6i

Step-by-step explanation:

Multiply out (3-i)^2 in order to find out which expression it is equivalent to.

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(3-i)^2\\(3-i)(3-i)

2) Multiply binomials by using the FOIL method. Multiply the terms that are listed first in each binomial, then the ones that are listed outermost when looking at both binomials, then innermost, and finally the last terms listed in each binomial. Simplify and combine like terms.

(3-i)(3-i)\\9 - 3i - 3i + i^2

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3)  i = \sqrt{-1}, so i ^2 must be (\sqrt{-1} )(\sqrt{-1}). Thus, i^2 is equivalent to -1. Knowing this, simplify and combine like terms.

9 - 6i + ((-\sqrt{1} )(\sqrt{-1} ))

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Thus, it is equivalent to  8 - 6i .

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3 years ago
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