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Dmitriy789 [7]
3 years ago
12

The day after the national holiday,decorations were marked down 40%.before the holiday,a partrotic banner cost 5.75.How much did

the banner cost after the holiday
Mathematics
1 answer:
blondinia [14]3 years ago
4 0
You have to do 5.75 x 40 which is
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A woman bought 50 meters of cloth at 60 cedis . she sold the cloth at 1.50 cedis per meter. Find her percentage profit.​
Usimov [2.4K]

Answer:

<em>2</em><em>5</em><em> </em><em>%</em>

Step-by-step explanation:

Cost price = 60 Ghana cedis for 50 metres

Selling price = 1.50 cedis for 1 meter

x cedis for 50 meters

Cross multiply

Selling price = 75 cedis

Profit = Selling price - Cost price

75 - 60

Profit = 15

Profit % =

\frac{profit}{cost \: price}  \times  \frac{100}{1}  \\  \frac{15}{60}  \times  \frac{100}{1}  \\  \\

Profit % = 25 %

5 0
3 years ago
(2 1/4) x (-8) <br> FIND THE SUM OF THIS EQUATION
mr Goodwill [35]

Answer:

the answer is 18

Step-by-step explanation:

6 0
3 years ago
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SOLVE.PLS HELP HURRY I PUT TEN POINTS! click to see full and the lines mean the estimate here is the question:estimate then add
dimaraw [331]
The first one is 17 13/15 the second one is 22 1/20
4 0
3 years ago
Reports on a student’s ACT, SAT, or MCAT usually give the percentile as well as the actual score. The percentile is just the cum
DaniilM [7]

Answer:

The percentile is calculated with the following probability:

P(X

And using the z score we got:

P(X

So then we can conclude that 31 represent approximately the percentile 81 on the distribution given

He scored better than about 80.98 % of all MCAT takers.

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the scores of a population, and for this case we know the distribution for X is given by:

X \sim N(25.3,6.5)  

Where \mu=25.3 and \sigma=6.5

And for this case we have a score of 31

The percentile is calculated with the following probability:

P(X

And using the z score we got:

P(X

So then we can conclude that 31 represent approximately the percentile 81 on the distribution given

He scored better than about 80.98 % of all MCAT takers.

6 0
3 years ago
Which of the following phrases can be used to represent -11? the opposite of -11 eleven greater than zero eleven below zero posi
Rama09 [41]

Answer:

the opposite of -11 eleven greater than zero eleven below zero positive eleven

Step-by-step explanation:

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