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WITCHER [35]
2 years ago
9

1. Below is data collected from a random sample of 40 people at the public library. If the public library has 300 people, then w

hat is a reasonable estimate for the number of people who enjoy reading mysteries?
NON- FICTION 19 people
MYSTERY 12 people
SCIENCE FICTION 9 people​
Mathematics
1 answer:
nataly862011 [7]2 years ago
5 0

Answer:

please do the math luke a lesson and the beta is very weird so you want to do something about that so i suggest that you do 300.

You might be interested in
Can someone please answer this question?
Goshia [24]

Answer:

254.34 mm²

Step-by-step explanation:

Diameter (d) = 18 mm

Radius (r) = d/2 = 18/2 = 9 mm

π = 3.14

Area of the circle

= πr²

= (3.14)(9)²

= 3.14 × 81

= 254.34 mm²

____________

Hope it helps ⚜

4 0
2 years ago
Which graph shows the solution to the following system of inequalities x+y>4 x+y <3
LekaFEV [45]

Answer:

The following graph has no solution.

Step-by-step explanation:

Since , we are given a system of inequalities as:

             x+y>4

and        x+y<3

So from the two in equalities we could clearly see that in one the sum of x+y>4 while in the other the sun x+y<3 which is not possible.

This could also be seen from the graph.

The graph will not have any common region and are parallel lines.

Hence, the graph has no solution.


4 0
3 years ago
Read 2 more answers
15. a)
frutty [35]

Answer:

The correct answer is - A)8% B) 3%

Step-by-step explanation:

A) Let assume:

the cost price of the goods - $y.

the selling price of the goods - $x.

Given: The retailer sold at 4% discount, or 0.96x (100% - 4% = 96%). Since the goods were sold to make 20% profit, therefore it was sold for:

1.2y (100% + 20% = 120%).

Solution:

The refrigerator was sold at 13% VAT at Rs. 10848:

then,

=> 1.2y + 13%(1.2y) = 10848

=> 1.2y + 0.156y = 10848

=> 1.356y = 10848

=> y = 8000

Thus, the cp is Rs 8000.

The selling price is:

=> 0.96x = 1.2y

=> 0.96x = 1.2(8000)

=> x = 10000

The sp is Rs. 10000

For a profit of 15%, that is 1.15(8000) = 9200, the discount is:

(1 - discount)10000 = 9200

1 - discount = 0.92

Discount = 1 - 0.92 = 0.08 or 8%

B) Let C & M as cost price & marked price of the scanner machine respectively.  

(1 + 20/100)*C = 41400

or (6/5)*C = 41400

or C = (5/6)*41400

= 34500 (Rs)

(1 - 10/100)*(1 + 15/100)*M = 41400

or (9/10)*(23/20)*M = 41400

or M = (10/9)*(20/23)*41400

= 40000 (Rs)

Let R% as the reduction in the percent in discount  

(1 - 10/100 + R/100)*(1 + 15/100)*M

= (1 + 20/100 + 4/100)*C

or (9/10 + R/100)*(23/20)*40000

= (31/25)*34500

or 9/10 + R/100

= (20/23)(31/25)*(345/400)

or R/100 = 0.93 - 0.9 = 0.03

or R = 3%

7 0
3 years ago
Dustin has a collenction of quarters and pennies. The total value is $4.65. Th
Hitman42 [59]

Answer:

Dustin has 18 quarters and 15 pennies.

Step By Step Solution:

(See image above)

6 0
3 years ago
Jackie brought 6 books for b dollars each and 3 magazines for m dollars each. Which expression represents the total amount in do
USPshnik [31]

Answer:

6b+3m

Step-by-step explanation:

I hope this helped.

7 0
3 years ago
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