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aleksley [76]
3 years ago
7

A box of 6 matchbox cars costs $11.94. A box of 4 matchbox cars costs $8.12. Which box has the lowest cost PER car?

Mathematics
1 answer:
lord [1]3 years ago
8 0
11.94 divided by 6 equals 1.99 so that would be $1.99. 8.12 divided by 4 equals 2.03 so that would be $2.03. So the box that has the lowest would be the box of 6 matches
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3 years ago
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Step-by-step explanation:

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6 0
3 years ago
Which values of a and b make the following equation true? a = 11, b = 7 a = 11, b = 10 a = 28, b = 7 a = 28, b = 10
xz_007 [3.2K]

Answer:

The answer is

<h2>a = 11, b = 7</h2>

Step-by-step explanation:

( {5x}^{7}  {y}^{2} )( { - 4x}^{4}  {y}^{5} ) =  - 20 {x}^{a}  {y}^{b}

Multiply the terms on the left side of the equation

That's

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Since the bases are the same we can equate the exponents

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And

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b = 11

Therefore

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Hope this helps you

7 0
3 years ago
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