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3 years ago

Please help, im having trouble cancelling out the numbers and letters! :) thank you

Mathematics

1 answer:

stiv31 [10]3 years ago

8 0

First change the devision to multiplication
second see the common letters and cross them

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During a regular half hour tv show, there are 8 minutes of commercials. If each commercial is 0.25 minutes long, how many commer

lianna [129]

Half hour means 30 minutes.

Since their are 8 minutes of commercials and 0.25 minutes long.

Divide

8/0.25 = 32

Their will be 32 commercials that will be shown during the show.

3 0

4 years ago

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A waitress believes the distribution of her tips has a model that is slightly skewed to the left, with a mean of $8.30 and a s

kondaur [170]

Answer:

probability = 0.9286

Step-by-step explanation:

given data

mean = $8.30

standard deviation = $4.70

waits parties over a weekend of work = 60

solution

when we earn at least $550 in 60 parties

so average per party will be x = $\frac{550}{60}$

average x = 9.1667

so now we get here z value that is

$z = \frac{x-\mu }{\sigma }$ ...............1

put here value and we get

z = $\frac{9.1667-8.30}{4.70}$

z = 0.184404

P(x>9.1667) = P(z>0.184404)

use standard normal table

probability = 1 - 0.0714 = 0.9286

8 0

3 years ago

How do you simplify -2( -1 - w )

kifflom [539]

Distribute:
2-2x-w

regroup terms:
2-(-2w)

simplify brackets:
2+2w

7 0

4 years ago

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April invested in a lifetime annuity that begins payments at age 65. Her life expectancy is 89. April invested a $1,000,000 into

Mila [183]

Answer:

Monthly payment is $5970

Step-by-step explanation:

Given : April invested in a lifetime annuity that begins payments at age 65. Her life expectancy is 89. April invested a $1,000,000 into the annuity, which earns 4.4% APR compounded monthly.

To find : what is April's monthly payment amount?

Solution :

Formula of monthly payment

Monthly payment, $M=\frac{\text{Amount}}{\text{Discount factor}}$