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cestrela7 [59]
3 years ago
7

EASY POINTS AND BRAINLIEST IF RIGHT!!

Mathematics
2 answers:
fredd [130]3 years ago
8 0

Answer: 40%

Step-by-step explanation:

sergij07 [2.7K]3 years ago
5 0

Step-by-step explanation:

The relative frequency of the coin landing heads up is 0.4 or 40%.

Step-by-step explanation:

We are given that,

Total number of times coin is tossed = 600

Number of times heads comes = 240

Since, 'relative frequency' is the fraction of number of times an event occurs and the total number of events.

Thus, the relative frequency that heads comes = \frac{240}{600}

600

240

i.e. Relative frequency that heads comes = 0.4 or 40%

Thus, the relative frequency of the coin landing heads up is 0.4 or 40%.

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A customer wants to tile their sunroom using 12" x24" tile which comes 9 pieces to a box the room is 8' by 9'6" calculate how ma
AysviL [449]

The number of pieces The customer will need actually is 38 tiles

The number of tiles in boxes the customer will buy is 45 tiles

Step-by-step explanation:

To solve the problem we will do these steps

1. Change the dimensions of the room from feet to inches

2. Calculate the area of the room

3. Calculate the area of one tile

4. Divide the area of the room by the area of the tile to find the number

   of tills

5. Divide the number of tiles by the number of pieces in one box

   to find the number of boxes he will need to buy

∵ The dimensions of the room are 8 feet by 9 feet 6 inches

∵ 1 foot = 12 inches

∴ 8 feet = 8 × 12 = 96 inches

∴ 9 feet 6 inches = 9 × 12 + 6 = 108 + 6 = 114 inches

∴ The dimensions of the sun room are 96" by 114"

The area of a rectangle is length × width

∵ Area of the room = 96 × 114 = 10944 inches²

∵ The dimensions of a tile are 12" by 24"

∴ Area of a tile = 12 × 24 = 288 inches²

∵ The number of tiles = Area room ÷ area tile

∴ The number of tiles = 10944 ÷ 288 = 38 tiles

<em>The number of pieces The customer will need is 38 tiles</em>

<u><em>V.I.N:</em></u>

The tiles come in boxes each box contains 9 pieces

∵ 38 ÷ 9 = 4.22

∴ He will need to buy 5 boxes with 45 tiles

<em>The number of tiles in boxes is 45 tiles</em>

Learn more:

You can learn more about the area of some figures in brainly.com/question/4459688

brainly.com/question/4354581

#LearnwithBrainly

4 0
4 years ago
an art teacher has a roll of mural paper that is 5 meters long. she needs to cut it into 1- decimeter long pieces for a collage
lutik1710 [3]
50 1-decimeter pieces
7 0
3 years ago
4<br> It takes Naomi 4 minutes to run 5 laps.<br> How many laps per minute is that?<br> Ebon
attashe74 [19]

Answer:

1.25 per min

Step-by-step explanation:

divide 5÷4 and you get 1.25 per min

6 0
3 years ago
Please hellllllllppppppppppppppppppppppppppp
vitfil [10]

Answer:

21^{10}

Step-by-step explanation:

First, multiply the 3 and the 7 together, and then "multiply" the exponents -8 and 3. (However, when "multiplying exponents, you're really just adding them together: -8 + 5)

(21^{-5})^2

Then, multiply the -5 and -2 together, giving you:

21^{10}

5 0
3 years ago
A newspaper article indicated that 43 percent of cars with black seats are white, 46 percent of cars with black seats are blue,
Andrews [41]

Answer:

C) P (X2 ≤ 8.2) = 0.96

Step-by-step explanation:

P value for the test is the probability of obtaining results that have been observed in the null hypothesis statement. A very small value of p indicates that there is unlikely chance of null hypothesis being true which means that we cannot accept null hypothesis based on the small p value.

4 0
3 years ago
Read 2 more answers
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