3 years ago

At the Mercer County Fair, 6 of the last 18 people to spin the

Mathematics

1 answer:

KatRina [158]3 years ago

6 0

Answer:

0.3

Step-by-step explanation:

Experimental Probability formula: p(event) = number of times the event occurs/total number of trials

6/18 (division) = 0.33333

As a <em>decimal </em>rounded to the nearest tenth = 0.3

I'm not exactly sure on this one, but it should be the answer. I hope this helps

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A number increased by 25% becomes 30 the number is

Masteriza [31]

Answer:

Step-by-step explanation:

Let 'x' be the number

x +25% of x = 30

x + 0.25x = 30

1.25x = 30

x = 30/1.25

x = 24

6 0

3 years ago

At Pathmark, 4 pounds of pork chops cost $12.60 and 5 pounds of ground beef cost $10.25. Find the total cost of 11 pounds of por

Ivahew [28]

Answer:

Let pork chops and ground beef be x and y respectively.

4x = $12.60

x = $3.15

11x = $34.65

5y = $10.25

y = $2.05

12y = $24.60

11x + 12y = $34.65 + $24.60

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2 years ago

3. (2, 4), (-2, 2), (2, ο)<br> Is this set of numbers a function or not a function?

WINSTONCH [101]

Answer:

not a function

Step-by-step explanation:

This is not a function

The input 2 goes to two different outputs

2 goes to the output of 4 and the output of 0

This makes it a relation and not a function

6 0

3 years ago

The cost of admission to the spring carnival was $50 for a group of 9 children and 2 adults. The admission was $61 for another g

Phoenix [80]

9C + 2A = $50
10C+ 3A = $61

3(9C + 2A = $50)
-2(10C+ 3A = $61)

27C + 6A = 150
-20C + -6A = -122
-------------------------
7C = 28
7C/7 = 28/7
C = 4

9(4) +2A = $50
36 + 2A =$50
36-36 + 2A= $50-36
2A = 14
2A/2 = 14/2
A = 7

CHECK

9(4) + 2(7) = $50
36 + 14 = $50
$50 = $50

10(4)+ 3(7) = $61
40 + 21 =$61
$61 = $61

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3 years ago

Paul buys 5 books priced at $10 and 3 priced at $15. He also has a coupon for $7 off his purchase. Write an expression with pare

koban [17]

Answer:

(10x5+15x3)-7

Step-by-step explanation:

7 0

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