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Dafna1 [17]
3 years ago
11

Simplify the expression below.

Mathematics
2 answers:
Ostrovityanka [42]3 years ago
3 0

Answer: OPTION C.

Step-by-step explanation:

Given the following expression:

4x(3x- 7) - 19x^2

You can simplify this expression applying these steps:

First step: You must apply Distributive property:

=12x^2-28x-19x^2

Second step: You need to add the like terms.

Then, you get:

=-7x^2-28x

You can observe that this simplified expression matches with the expression provided in Option C.

JulijaS [17]3 years ago
3 0

Answer:

C

Step-by-step explanation:

-7x2 − 28x

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<h3>Explanation:</h3>

We have to find the area of the square shaped room.

<h3>Given:</h3>

Side of the square shaped room = 10 m

The cost of flooring a square metre is Rs. 50

<h3>To Find:</h3>

The cost of flooring a square shaped room.

<h3>Formula:</h3>

Area of square = Side × Side

<h3>Solution:</h3>

Area of the square = 10 × 10 = 100 sq.m

1 sq.m = Rs. 50

100 sq.m = 50(100) = Rs. 5,000

<h2>Answer:</h2>

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3 years ago
A circle with a radius of 5 has a sector with a central angle of 9/10pi radians what is the area of the sector
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Answer:

11.25pi units² or 35.3 units² (3 sf)

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Answer:

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