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3 years ago

4 less than a number n is -15

Mathematics

1 answer:

kiruha [24]3 years ago

3 0

Answer:

n=-11

Step-by-step explanation:

Since -15 is 4 less than -11, it would be -11.

Hope this helped. :)

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If the length of diagonal of a square is 4√2 cm, find it's length, perimeter and area.

Sonbull [250]

Answer:

As Per Provided Information

Length of diagonal of square is 4√2 cm

We have been asked to find the length , perimeter and area of square .

First let's calculate the side of square .

Using Formulae

$\boxed{\bf \:Diagonal_{(Square)} \: = side \sqrt{2}}$

On substituting the value in above formula we obtain

$\qquad\longrightarrow\sf \:4 \sqrt{2} = side \sqrt{2} \\ \\ \\ \qquad\longrightarrow\sf \:4 \cancel{\sqrt{2}} = side \cancel{ \sqrt{2}} \\ \\ \\ \qquad\longrightarrow\sf \:side \: = 4 \: cm$

Therefore,

Length of its side is 4 cm.

Finding the perimeter of square.

$\boxed{\bf \: Perimeter_{(Square)} = 4 \times side}$

Substituting the value we obtain

$\qquad\longrightarrow\sf \:Perimeter_{(Square)} \: = 4 \times 4 \\ \\ \\ \qquad\longrightarrow\sf \:Perimeter_{(Square)} = 16 \: cm$

Therefore,

Perimeter of square is 16 cm .

Finding the area of square .

$\boxed{\bf \: Area_{(Square)} = {side}^{2}}$

Substituting the value we get

$\qquad\longrightarrow\sf \:Area_{(Square)} \: = {4}^{2} \\ \\ \\ \qquad\longrightarrow\sf \:Area_{(Square)} = 16 \: {cm}^{2}$

Therefore,

Area of square is 16 cm².

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2 years ago

Yvonne is thinking of a number. fifty, decreased by three times the the number, is the same as seven times the number, increased

Lady_Fox [76]

3x-50=7x+80
I think this is correct! Hope I helped!

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3 years ago

Alpha Printing will make 400 brochures for $60. Omega Printing will make 1,000 brochures for $60. How much money will you save o

mixer [17]

Alpha Printing: 400 / 60 =6.6...

Omega Printing: 1,000 / 60 = 16.6...

16.6

- 6.6

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3 years ago

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Find the next term in the sequence 1, 4, 9, 16, 25, ….

Agata [3.3K]

The next is 36!!!! If you notice each time, you are adding by two more than what you were adding before. Like, 1+3=4 4+5=9 9+7=16 See?

So, 25+11=36

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3 years ago

Keep in mind significant figures. 6.020*0.0510=?

xeze [42]

Answer:

3.072×10^-1

Step-by-step explanation:

please mark me as brainlest

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3 years ago

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