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grandymaker [24]

2 years ago

12

deborah's playlist on her mp3 player has a variety of songs she had 21 country 18 alternative 16 pop 18 rock use the bar diagram

to write and evaluate two numerical expressions to represent the total number of songs on deborah's mp3 player

1 answer:

valkas [14]2 years ago

5 0

Add up all the songs

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The cross-sectional areas of a right pyramid and a right cylinder are congruent. The pyramid has a height of five units, and a r

Mazyrski [523]

Answer:

the volume of the right cylinder is 1.8 times the volume of the pyramid

Step-by-step explanation:

The volume of a pyramid is

$V = \dfrac{1}{3} \times B\times H$

where the height of the pyramid is 5

$V = \dfrac{1}{3} \times B\times 5$

$V = \dfrac{5}{3} B \ units ^3$

On the other hand, the volume of a right cylinder is

V = BH

where the height of the right cylinder = 3 units

V = 3 B units³

Since we know that the cross-sectional areas are congruent, comparing the two-volume, we have the ratio of their volumes to be:

$\dfrac{V_p}{V_c}= \dfrac{\dfrac{5}{3}B}{3B}$

$\dfrac{V_p}{V_c}= \dfrac{5}{9}$

$9 V_p = 5 V_c$

$V_c = 1.8 \ V_p$

Hence, the volume of the right cylinder is 1.8 times the volume of the pyramid

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2 years ago

What integer is equivalent to 25 3/2?

ELEN [110]

Answer:

$25\frac{3}{2} =26.5$

Step-by-step explanation:

This mixed number can be separated into 25 and $\frac{3}{2}$ . Convert the fraction to a decimal by plugging it into a calculator, then add 25.

If you meant what whole number is equivalent, that does not exist.

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tell me you love me pls i need sum luv i spents alot of time doing this im doing another one but 100 pts

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What is (-i)5?<br> A -1<br> B 1<br> C -I<br> D i

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Answer:

-i^5=-i

Step-by-step explanation:

rewrite the equation ;

i^4=1

I^4 *-i = 1*-i=-i

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3 years ago

In the middle school debate club,30% of the members are in sixth grade.if there are 12 sixth graders in the debate club,how many

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Answer:

54

Step-by-step explanation:

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