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gulaghasi [49]
2 years ago
8

The cost of 9 scares is $78.75 what is the unit price ?

Mathematics
1 answer:
Vlad [161]2 years ago
5 0

Answer:

$8.75

Step-by-step explanation:

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A store sells pool floats.
Andrei [34K]

Step-by-step explanation:

the original retail price was 120% of the manufacturer price (100% manufacturer price + 20% markup).

now, the whole retail price is reduced by 12%.

that means we have to subtract 12% from the 120%.

but careful, we cannot just do 120-12=108.

that is simply because these 120% are now for this calculation the new basic amount and therefore 100%.

we actually need to calculate and subtract 12% of 120 to get the new percentage over the manufacturer price.

we do this by multiplying 120 by (100-12)/100 = 88/100 = 0.88 :

120 × 0.88 = 105.6%

so, the new retail price is now only 5.6% over the manufacturer price.

6 0
2 years ago
Pedro's Diner is open six days a week. His income for the first five days this week was
S_A_V [24]

Answer:

$330

Step-by-step explanation:

What is mean/average?

It is the "sum of all the numbers" divided by the "number of numbers".

An average of 200 for 6 numbers means:

Average=\frac{SUM}{NumberOfNumbers}\\200=\frac{SUM}{6}\\SUM=200*6\\SUM=1200

THus, if we were to add the 6 numbers, we would get "1200". Let the 6th number be x, so we can write:

120 + 110 + 200 + 300 + 140 + x = 1200

870 + x = 1200

x = 1200 - 870

x = 330

To make the average $200, Pedro needs to make $330 on 6th day.

6 0
3 years ago
A rectangular picture frame has a length of 20 inches and a width of 15 inches. The perimeter of the frame can be found using th
Maslowich

Answer:

70

Step-by-step explanation:

7 0
3 years ago
A rectangular football field is 64 m wide and 100 m long a player runs from one corner of the field in a diagonal line to the op
DENIUS [597]

Answer:

118.7 m

Step-by-step explanation:

see attached

7 0
3 years ago
Read 2 more answers
Scores on the Wechsler intelligence quotient (IQ) test for adults have a normal probability distribution with a mean score of 10
bixtya [17]

Answer:

Probability = 0.1587

Step-by-step explanation:

The provided information is:

Let X be the scores of the IQ test for adults that is normally distributed with mean (\mu) = 100 and standard deviation (\sigma) = 15.

Also, US military has minimum IQ score of 85.

Thus, the probability that randomly selected adult does not meet US military enlistment standards is: P(X

The probability can also be written as:

P(X < x) =P(Z

Thus,

P(X

Using the Normal probability table probability of Z = -1 is 0.1587

Thus, the required probability is 0.1587

8 0
3 years ago
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