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Assoli18 [71]
3 years ago
11

A shopkeeper bought 5 dozen pen for rs 480 . If she sold all the pens at the rate of rs 9 per pen . Find profit / loss percent​

Mathematics
1 answer:
lakkis [162]3 years ago
5 0

Answer:

12.5%

Step-by-step explanation:

1 dozen=12

5 dozen= 60

Earnings= 9x60= rs 540

Profit= 540-480= rs 60

Percentage profit= 60/480×100%=12.5%

Brainlist please

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HELP HELP PLEASSEEE I HAV 2 MINUTES LEF
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Step-by-step explanation:

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A survey of 250 homeless persons showed that 14 were veterans. Find a point estimate for the population proportion of homeless p
snow_lady [41]

Answer:

\hat p =\frac{14}{250}= 0.056

And for this case that represent the 5.6% of the homeless persons who are veterans

Step-by-step explanation:

We know that in a survey of 250 homeless persons 14 were veterans. We can find the estimated proportion of homeless persons who are veterans with the following formula:

\hat p =\frac{X}{n}

The last one is an unbiased estimator of the true population proportion p

And replacing the info given we got:

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8 0
3 years ago
Determine the factors of 4x2 5x − 6 a(4x − 2)(x 3) b(4x − 3)(x 2) c (4x − 6)(x 1) d(4x − 1)(x 6)
Lelu [443]
4x^2 + 5x - 6 = (4x - 3) (x + 2)

You can do it by using the quadratic function to solve 4x^2 + 5x - 6 = 0; the result will be x = 3/4 and x = -2

Then you have to make (x- 3/4) = 0 and (x +2 ) = 0

When you develop x - 3/4 = 0 you get 4x -3 = 0, which means that 4x - 3 is a factor. The other factor is directly x + 2.

Answer: option b: (4x -3)(x + 2)
8 0
3 years ago
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Igoryamba

The equation would be:

y = 3x + 15

1) Table: It is pretty easy to do so, just plug in 0, 1, 2, 3, etc. for x and solve for y

2) graph (find slope): slope would be 3 shells/day that has a y-intercept of 15

3) you already defined the variables

4) 3(5)+15 = 15+15 = 30 seashells

I hope this helps!

5 0
3 years ago
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