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olga2289 [7]
3 years ago
7

For each of the 4 walls of the house, John will need 9 large

Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
6 0
The answer is 72 because if each plank needs 8 nails and each wall have 9 planks you multiply 9 by 8 which is 72
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There is A Spinner That Have 8 Space 1-8 What Is The Probability That Te Spinner Will NOT Land On 5 or 8?
insens350 [35]

Answer:

\frac{3}{4}

Step-by-step explanation:

<u>Key skills needed: Probability, Possible Outcomes</u>

1) We are given a spinner --> With numbers: 1,2,3,4,5,6,7, and 8

That means there are 8 numbers on the spinner.

2) The problem asks what is the probability that the spinner will not land on 5 or the 8.

To calculate this --> \frac{acceptedoutcomes}{total}

3) The accepted outcomes are when the spinner lands on --> 1,2,3,4,6,7

That is 6 accepted outcomes.

4) The total outcomes is 8 (since there are numbers the spinner can land on).

5) Therefore, the answer would be \frac{6}{8}

\frac{6}{8} can be simplified into \frac{3}{4} as both the numerator (6) and the denominator (8) share a factor of 2.

6) With this --> \frac{3}{4} is the answer.

6 0
3 years ago
Out of 16 spins, a purple and red spinner landed on purple 9 times and on red 7 times. Based on the experimental probability, ho
Nikitich [7]

Answer:

Part A   Answer = A=28

Part B Answer is B = 9/16 + C =0.56

Step-by-step explanation:

1 = A. 28   This is because the percentage rate works out at 43.75%

2. 9/16 also, 0.56  This is because 9/16 has decimal 0.56 we can work this out by looking at the inverse of 1 ; 1= 16 16/9 = 1.77/3.17 which adds to 4.94 = 10 x 0.49  4 representing 4 from 20 =16 and 9 representing the proportion.

5 0
3 years ago
25x - 80 = 120 cant figure this i need help please
Anit [1.1K]

Answer:

x = 8

Step-by-step explanation:

25x - 80 = 120

      + 80  + 80

25x = 200

/25   /25

x = 8

Check your answer:

25x - 80 = 120

25(8) - 80 = 120

200 - 80 = 120

120 = 120

This statement is correct

Hope this helps!

4 0
3 years ago
Read 2 more answers
A line segment has endpointsA(-5, 1) and b(-3, 3) what is the midpoint of the segment​
Galina-37 [17]
The mid point of the segment would be (-4,2)
3 0
3 years ago
Read 2 more answers
You want to put a fence around your large yard. There are two companies that you have found to do the work. They have each given
11111nata11111 [884]

Answer:

200

Step-by-step explanation:

balancing it with 120 is 76 so this what you get

6 0
2 years ago
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