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evablogger [386]
3 years ago
5

Mark, Carrie, Max and Jane are doing a probability experiment in math class. They flip a coin 200 times and record their results

. Heads: 120 Tails: 80 Question 1 on their lab sheet asks for the experimental probability of flipping heads. They come up with 4 different answers: Mark: 1 2 Carrie: 3 5 Max: 2 5 Jane: 2 3
Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
5 0

Answer:


Step-by-step explanation:

it carrie


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Can u guys pls help me with my maths
Anna11 [10]

Answer:

um what's your math on??

8 0
4 years ago
Read 2 more answers
A rectangular room is 1.5 times as long as it is wide, and its perimeter is 25 meters. Find the dimensions of the room.meters.Th
AlladinOne [14]

Answer:

The length is 7.50metres and the width is 5metres

Explanation:

Given the following

Length = 1.5Width

Perimeter = 25m

Required

Dimension of the room

Perimeter of the rectangular room = 2(L+W)

Since L = 1.5W

P = 2(1.5W+W)

P = 2(2.5W)

P = 5.0W

25 = 5W

W = 25/5

W = 5metres

Since L = 1.5W

L = 1.5*5

L = 7.5meters

The length is 7.50metres and the width is 5metres

3 0
1 year ago
a recipe for one batch of cookies calls 1 1/2 cups of flour how many cups of flour are needed for 3 batches
iris [78.8K]
Since 1 batch needs 1 1/2 cups. You simply have to multiply 1 1/2 x 3.

4 1/2 cups are needed to bake 3 batches.
4 0
3 years ago
The sum of two numbers is 21. the second number is six times the first number . Work out the two numbers
jeyben [28]

Answer:

3 and 6

Step-by-step explanation:

3*6=18

18+3=21

7 0
3 years ago
Solve - 2/5x is less than or equal to 20
sashaice [31]

Answer:

x is less than or equal to 0

Step-by-step explanation:

- you need to multiply both sides of the inequality by 5/2

- then you reduce the numbers with the greatest common factor 5

- then you reduce the numbers with the greatest common factor 2

- any expression multiplied by 0 equals 0

- so you get x is less than or equal to 0

^^^ hope this helps! :)

8 0
3 years ago
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