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Vlada [557]
3 years ago
11

Help me on this pls and thank you

Mathematics
2 answers:
rodikova [14]3 years ago
6 0

Answer:

scale factor = 3/5

b= 15 x 3/5

b= 9

goldfiish [28.3K]3 years ago
4 0

Answer & Step-by-step explanation:

<u>scale factor = 20/12 = 5/3</u>

<u />

20/12 = 15/b

<em>cross multiply</em>

<em>20b = 180</em>

<u>b = 9 </u>

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A rectangle has a length that is 5 meters greater than the width. If w represents the width, write an expression, in terms of w,
ahrayia [7]

Answer:

Area of rectangle is w^2+5w

Perimeter of Rectangle is 4w+20.

Step-by-step explanation:

Given:

Let the width of the rectangle be 'w'.

Also Given:

A rectangle has a length that is 5 meters greater than the width.

Length of rectangle = w+5\ meters

We need to write expression for Area of rectangle and Perimeter of rectangle.

Solution:

Now we know that;

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Which property of addition is shown below? a bi c di = a c bi di identity property associative property commutative property inv
marin [14]

The commutative property of addition is shown here a+bi+c+di = a+c+bi+di which is the correct answer.

<h3 /><h3>What is commutative property?</h3>

The commutative property states that an expression of the form (A + B) can be solved as (B + A) by an addition operation that does not change the result.

This property applies to multiplication also.

We have the given expression:

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We have to identify the property of addition in the above expression.

Since we can say here that (bi+c) is expressed as (c+bi).

The commutative property of addition states that the numbers can be added in any order.

Mathematically, it states that a+b = b+a.

Here, (bi+c) can be replaced by (c+bi), whether 'b' is added to 'ci' or 'ci' is added to 'b', the result is always the same.

Therefore, the commutative property of addition is the correct answer

Learn more about the commutative property;

brainly.com/question/27325958

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