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3 years ago

A bag contains nine red balls, four green balls, and fifteen yellow balls. What is the probability of

Mathematics

1 answer:

dmitriy555 [2]3 years ago

6 0

Answer:

Step-by-step explanation:

When you subtract the 9-1=8

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The volume of cube is 343 cubic centimeters.What is the suface area of the cube

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The cube root of 343 is 7.
One side has an area of 7*7 = 49 square cm
There are 6 sides to a cube
6 * 49 is the surface area = 294

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3 years ago

Each week, Robbie earns $x mowing lawns and receives $15 as his allowance. To find how much he will earn in total over 3 weeks,

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3 years ago

Penelope goes to work after school for 4.5 hours on Mondays, Tuesdays, and Fridays. She doesn’t have classes on Wednesdays or Th

iVinArrow [24]

Answer:

Her hourly rate is $14.

Step-by-step explanation:

Given:

Penelope goes to work after school for 4.5 hours on Mondays, Tuesdays, and Fridays.

She works 8 hours each on Wednesdays or Thursdays.

Now, to find her hourly rate.

So, total hours Penelope work on Mondays, Tuesdays, and Fridays:

$4.5+4.5+4.5=13.5\ hours.$

And, total hours she work on Wednesdays and Thursdays:

$8+8=16\ hours.$

Now, the total hours each week she work:

$13.5+16=29.5\ hours.$

Total money she makes each week = $413.

Now, to get the hourly rate we divide the total hours each week she work by total money she makes each week:

$413\div 29.5$

$=\$14.$

Therefore, her hourly rate is $14.

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3 years ago