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victus00 [196]
3 years ago
5

A rectangle has a width of 3 units and a length of 4 units. Nancy needs to increase both the length and the width of the rectang

le by 2 units.
Image_8672

Which statement describes how the area of the rectangle will change?
Mathematics
1 answer:
yarga [219]3 years ago
3 0

Step-by-step explanation:

The length of a rectangle, l = 3 units

The breadth of a rectangle, b = 4 units

Nancy needs to increase both the length and the width of the rectangle by 2 units.

The area of a rectangle is given by

A = length(l) × breadth(b)

Here,

A = 3 × 4

= 12 unit²

If both length and width of the rectangle increase by 2 units,

New length = (4+2) = 6 units

New width = (3+2) = 5 units

New area = 6 × 5 = 30 unit²

Hence, new area becomes 30 unit².

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What is the simplified form of the following expression?
kogti [31]

Answer:

\sqrt{3}


Step-by-step explanation:

We will be using 2 properties of radicals in this simplification (outlined below).

  • \sqrt{a*b}=\sqrt{a}* \sqrt{b}
  • \sqrt{a}*\sqrt{a}=a

<em>Let's simplify this:</em>

2\sqrt{27} +\sqrt{12} -3\sqrt{3}-2\sqrt{12}\\ =2\sqrt{9*3}+\sqrt{4*3} -3\sqrt{3}-2\sqrt{4*3} \\=2\sqrt{9} \sqrt{3} +\sqrt{4} \sqrt{3}-3\sqrt{3}-2\sqrt{4} \sqrt{3} \\=2(3)\sqrt{3}+(2)\sqrt{3} -3\sqrt{3}-2(2)\sqrt{3} \\ =6\sqrt{3} +2\sqrt{3}-3\sqrt{3}-4\sqrt{3}  \\=\sqrt{3}


First answer choice is right.

5 0
3 years ago
Help me for brainliest...
spin [16.1K]

Answer:

1cm = 320 km?

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A die is rolled twice. What is the probability of showing a 1 on the first roll and an even number on the second roll?
Ivan

Answer:

1/12

Step-by-step explanation:

Okay, so this will be a compound probability question because there are two parts to the question.

Firstly, a die has 6 sides, and there is only one chance of getting a 1, so the probability would be 1/6.

Furthermore, there are 3 different even numbers on a 6-sided die, so that is 3/6, which can be simplified to 1/2.

Now, because this is a compound probability, we have to multiply 1/2 and 1/6 together, which would give us our answer of 1/12.

6 0
3 years ago
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What is the equation of a line that is parallel to x - 2y= -4 and passes through the point 0,0
dem82 [27]
The answer is y=1/2x

8 0
3 years ago
what is the circumference of a frying pan that has a radius of 14 centimeters. Use 22/7 for <img src="https://tex.z-dn.net/?f=%2
DerKrebs [107]
We know, C = 2πr

So, c = 2 * 22/7 * 14

c = 2 * 22 * 2

c = 88 cm

In short, Your Answer would be: 88 cm

Hope this helps!
8 0
3 years ago
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