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2 years ago

Need ASAP please help me

Mathematics

2 answers:

nadya68 [22]2 years ago

5 0

Answer:

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Step-by-step explanation:

marshall27 [118]2 years ago

3 0

Answer:

Step-by-step explanation:

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3 years ago

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What number is 6.1% of 60

inysia [295]

$6.1\%\cdot60=0.061\cdot60=3.66$

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2 years ago

Rose went to a stationary shop.she purchased 2 packs of red pens,4 packs of black pens,and 3 packs of blue pens.the cost of each

sweet-ann [11.9K]

Its 11.5 because your adding everything in your equation or question

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2 years ago

Please help me!!! Geometry question.

tigry1 [53]

Answer:

The volume of the figure is $(\frac{l^{3}}{3})[\frac{\pi }{2}-1]\ units^{3}$

Step-by-step explanation:

we know that

The volume of the figure is equal to the volume of the cone minus the volume of the square pyramid

step 1

Find the volume of the cone

The volume of the cone is equal to

$V=\frac{1}{3}\pi r^{2}h$

we have

$r=\frac{l\sqrt{2}}{2}\ units$ ----> the diagonal of the square base of pyramid is equal to the diameter of the cone

$h=l\ units$

substitute

$V=\frac{1}{3}\pi (\frac{l\sqrt{2}}{2})^{2}(l)$

$V=\frac{1}{6}\pi (l)^{3}\ units^{3}$

step 2

Find the volume of the square pyramid

The volume of the pyramid is equal to

$V=\frac{1}{3}Bh$

where

B is the area of the base

h is the height of the pyramid

we have

$h=l\ units$

$B=l^{2}\ units^{2}$

substitute

$V=\frac{1}{3}l^{2}(l)$

$V=\frac{1}{3}l^{3}\ units^{3}$

step 3

Find the volume of the figure

$\frac{1}{6}\pi (l)^{3}\ units^{3}-\frac{1}{3}l^{3}\ units^{3}=(\frac{l^{3}}{3})[\frac{\pi }{2}-1]\ units^{3}$

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2 years ago

Round 78.8 to the tenths

Nadusha1986 [10]

78.8 rounded to the nearest tenths is 78.8

We can not round it to the tenths because it already is rounded to the tenths.

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2 years ago