3 years ago

Mr. Deveney bought 4 DVDs for $25.20. What was the price per DVD?

Mathematics

1 answer:

ollegr [7]3 years ago

7 0

Answer:

$6.30 per DVD

Step-by-step explanation:

25.20/4= 6.3

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Lera25 [3.4K]

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3 years ago

Convert 8^12 = 3x - 5 to corresponding logarithmic function.

julia-pushkina [17]

Answer:

Step-by-step explanation:

$8^{12}=3x-5\quad :\quad x=\frac{8^{12}+5}{3}\quad \left(\mathrm{Decimal}:\quad x=22906492247\right)$

$8^{12}=3x-5\\\\\mathrm{Add\:}5\mathrm{\:to\:both\:sides}\\3x-5+5=8^{12}+5\\Simplify\\\mathrm{Divide\:both\:sides\:by\:} 3\\\frac{3x}{3}=\frac{8^{12}}{3}+\frac{5}{3}\\\mathrm{Simplify}\\x=\frac{8^{12}+5}{3}$

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3 years ago

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erastova [34]

Answer:

$\frac{1}{5^{7}}$

Step-by-step explanation:

$\frac{5^{-4}}{5^{3}} = \frac{1}{5^{7}}$

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3 years ago

Liam is setting up folding chairs for a meeting. If he arranges the chairs in 5 rows of the same length, he

timofeeve [1]

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Step-by-step explanation:

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3 years ago

7. Find the distance between the points (13, 8) and (-12, 6)

Alik [6]

9514 1404 393

Answer:

√629 ≈ 25.08

Step-by-step explanation:

The distance formula is useful for this.

d = √((x2 -x1)² +(y2 -y1)²)

d = √((-12 -13)² +(6 -8)²) = √(625 +4) = √629 ≈ 25.08

The distance between the points is about 25.08 units.

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2 years ago