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Papessa [141]
3 years ago
6

A square field has an area of 144 metres squared. If Andrea walked 10 times around this field, what distance did she cover?

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
7 0

Answer:

480m

Step-by-step explanation:

First we have to find the perimeter of the field.

We know that the area is 144m and that the field is a square.

Since a squares sides are all equal, we can do \sqrt{144}, which is 12m.

So, one side of the field is 12m; now we just find the perimeter which is easy since its a square. 12*4=48m

If Andrea walked around it 10 times, then we just multiply the perimeter by 10

48*10=480m

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lukranit [14]

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<h3>How to determine the equivalent expressions?</h3>

The expressions are given as:

∛8 = 8^1/3

Express 8 as the cube of 2

So, we have:

8 = 2^3

Substitute 8 = 2^3 in the equation ∛8 = 8^1/3

∛2^3 = (2*3)^1/3

Rewrite as:

∛2^3 = 2^(1/3 + 1/3 + 1/3)

Also, rewrite as:

(2 * 2 * 2)^1/3 = 2^(1/3 + 1/3 + 1/3)

Hence, the equivalent expressions of ∛8 = 8^1/3 are (2 * 2 * 2)^1/3 and 2^(1/3 + 1/3 + 1/3)

Read more about equivalent expressions at

brainly.com/question/2972832

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2 years ago
If your annual salary is 24700 what is your monthly salary
posledela

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8 0
3 years ago
You buy shrimp at the market. The shrimp cost $34.99 for two 2.5-pound bags. What is the unit rate of the shrimp in dollars per
schepotkina [342]
$34.99 ... 2.5-pound bags
$x = ? ... 1 pound

If you would like to know what is the unit rate of the shrimp in dollars per pound, you can calculate this using the following steps:

34.99 * 1 = x * 2.5
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5 0
3 years ago
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Step-by-step explanation:

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8 0
2 years ago
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2( 10 - a^2 ) + 7a If ( a = 4 )Evaluate each expression
Lostsunrise [7]

Solution:

Given:

2(10-a^2)+7a

when a = 4, substitute for a in the expression;

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Therefore, if (a = 4), then

2(10-a^2)+7a=16

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6 0
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