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erik [133]
3 years ago
11

The length and breadth of a rectangular field are 50 m and 40 m respectively. Find the distance travelled by a boy in walking al

ong the boundary in
i. one complete round ii. 5 complete rounds
Mathematics
1 answer:
Naily [24]3 years ago
3 0

Answer:

180M (1 round); 900M (5 rounds)

Step-by-step explanation:

Solve for perimeter with is 2L + 2 W.

1. 2(50) + 2 (40) =

2. 100 + 80 = 180

He walked 180M for 1 complete round. To determine 5 complete rounds, multiply by 5.

180X5= 900 M

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almond37 [142]

Answer:

Mean = 113.72

The estimator of 113.72 is point estimate used for the  conceptual population of all first-graders in this school

Step-by-step explanation:

Data provided in the question:

Data:

82 96 99 102 103 103 106 107 108 108 108 108 109 110 110 111 113 113 113 113 115 115 118 118 119 121 122 122 127 132 136 140 146

Number of data = 33

In the hint it is also given that the sum of the data value i.e ∑x = 3753

Now,

Point estimate of mean is given as;

Mean = \frac{\textup{Sum of all the data values}}{\textup{Total number of data value}}

or

⇒ Mean = \frac{\textup{3753}}{\textup{33}}

or

⇒ Mean = 113.72

Hence,

The estimator of 113.72 is point estimate used for the  conceptual population of all first-graders in this school

5 0
3 years ago
A teacher is buying pencils for her classroom. If a dozen pencils cost $0.97, how many pencils can she purchase with $5?
mixas84 [53]

Answer:

The teacher can purchase 61 pencils with $5

Step-by-step explanation:

This is a simple proportion problem. It can be solved by pure logic reasoning without any formulas

It a dozen pencils cost $0.97, each pencil cost $0.97/12=0.08083

With $5 she will be able to purchase 5/0.08083=61.85 pencils

We must round to the nearest lower integer

The teacher can purchase 61 pencils with $5

6 0
3 years ago
What are the answers to a, b, c, d?
Nezavi [6.7K]

Answer:

Step-by-step explanation:

8 0
3 years ago
Bruce owns a small grocery store and charges $3.50 per pound of produce. If a customer orders 3 pounds of produce, how much does
Anit [1.1K]
3.50(p)
3.50 (3)
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Answer: Bruce should charge the customer $10.50 for the customers purchase.
6 0
3 years ago
Read 2 more answers
PLEASE HELP ME!!!
Fynjy0 [20]
<h3>Answer:  15 years old</h3>

=============================================

Explanation:

m = Maggie's age (some positive whole number)

4m = four times her age

4m-7 = seven years younger than 4m = brother's age

Add up her age (m) and her brother's age (4m-7) to get a sum of 68.

m+(4m-7) = 68

5m-7 = 68

5m = 68+7

5m = 75

m = 75/5

m = 15

Maggie is currently 15 years old.

Her brother is currently 4m-7 = 4*15-7 = 60-7 = 53 years old.

Their current year ages add to: 15+53 = 68 which confirms the answer.

6 0
2 years ago
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