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4 years ago

15

9 is 12% of which number?

1 answer:

Ksju [112]4 years ago

4 0

74.7 maybe maybe

as 9 goes up your percent goes up, you would want 12% to go up to 100% so for every 1 that 9 increase 12 increases by 12.

basically divide 100 by 12 then multiply whatever you get x9

im pretty sure thats my best guess

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Earth rotates on an axis through its poles. The distance from the axis to a location on Earth at 40 degrees north latitude is ab

murzikaleks [220]

Answer: v = 793.77 mph

Step-by-step explanation: Linear speed of a circular movement is calculated by using the formula:

v = ω.r

where

ω is angular velocity

r is radius of the path

<u>Angular</u> <u>velocity</u> is the rate of change of the angular position of an object with respect of time, i.e., is how fast an object changes its angular position with time:

$\omega = \frac{d \theta}{dt}$

$\omega = \frac{2\pi}{time}$

The Earth takes 24 hours to complete a rotation, then angular velocity:

$\omega = \frac{2\pi}{24}$

$\omega =$ 0.262 rad/h

At a location 40° north, radius is 3033.5 miles, so:

v = 0.262*3033.5

v = 793.77

<u>At latitude of 40°north, linear speed is </u><u>793.77mph</u>.

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3 years ago

Sandra has a cylindrical mold for making candles with a radius of 3.4 cm and a height of 6 cm. If Sandra uses a rectangular bloc

Wittaler [7]

Answer:

$14\ candles$

Step-by-step explanation:

step 1

Find the volume of the cylindrical mold

The volume is equal to

$V=\pi r^{2} h$

we have

$r=3.4\ cm$

$h=6\ cm$

assume

$\pi=3.14$

substitute

$V=(3.14)(3.4)^{2}(6)$

$V=217.79\ cm^{3}$

step 2

Find the volume of the wax

The volume is equal to

$V=(15)(12)(18)$

$V=3,240\ cm^{3}$

step 3

Divide the volume of the wax by the volume of the cylindrical mold, to calculate the number of candles

$3,240/217.79=14.9\ candles$

Round down

$14\ candles$

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3 years ago

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Luba_88 [7]

Answer:

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3 years ago

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inessss [21]

Answer:

Area = 10 1/9 meters squared

Step-by-step explanation:

mixed number to improper fraction:

4 2/3 meters = 14/3 meters

2 1/6 meters = 13/6 meters

Area = length times width:

Area = (14/3) x (13/6)

= 182/18

Simplify fraction:

182/18 = 91/9

improper fraction to mixed number:

91/9 = 10 1/9 meters

AREA = 10 1/9 meters

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3 years ago

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nignag [31]

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4 years ago

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