2 years ago

Paul bought 5 books for $30.85. About how much did each book cost?

Mathematics

2 answers:

ladessa [460]2 years ago

4 0

Answer:

$6.17

Step-by-step explanation:

Divide 30.85 by 5 to get the price of each book. Each book was $6.17

I hope this helped

katen-ka-za [31]2 years ago

3 0

Answer:

Step-by-step explanation:30.85/5=6.17

you can round up to $6.20

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2 years ago

The diameter of a circle is 6 cm. Find its area to the nearest tenth.

Kruka [31]

Answer:

28.27cm²

Step-by-step explanation:

formula:

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What is the value of x?<br> –2x – x + 3 = –12

Degger [83]

Answer:

x = 5

Step-by-step explanation:

-2 -1(coeffcient of -x) = -3

-3x +3 =-12

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2 years ago

before Christmas a story steals fake Christmas trees for $289 after Christmas they sell the same trees for $150 what is the appr

Katarina [22]

48% decrease :)

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2 years ago

If ln(4x+y)=2x-3,then dy/dx=

Viktor [21]

$\ln(4x+y)=2x-3$

Differentiate both sides wrt $x$ :

$\dfrac{\mathrm d(\ln(4x+y))}{\mathrm dx}=\dfrac{\mathrm d(2x-3)}{\mathrm dx}$

By the chain rule, we get

$\dfrac1{4x+y}\dfrac{\mathrm d(4x+y)}{\mathrm dx}=2$

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Solve for $\frac{\mathrm dy}{\mathrm dx}$ :

$4+\dfrac{\mathrm dy}{\mathrm dx}=8x+2y$

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