4 years ago

Draw and write to explain how these two problem are different 35-15 and 43-26

Mathematics

1 answer:

Leto [7]4 years ago

8 0

They are different because they use different numbers!

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What is the answer to 1/4 + 1/2

goblinko [34]

$\frac{1}{4} + \frac{1}{2} \\ \\ \frac{1}{4} + \frac{1*2}{2*2} \\ \\ \frac{1}{4} + \frac{2}{4} \\ \\ \frac{1+2}{4} \\ \\ \frac{3}{4}$

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3 years ago

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a submarine was 1500 feet below sea level the captain gave me an order to come up 850 closer to the surface how far below sea le

frozen [14]

You would do -1500+850 to get -650.

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4 years ago

Rationalise the equation : <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7By%20%5E%7B2%7D%20%7D%7B%20%5Csqrt%7Bx%5E%7B2%7D

Nat2105 [25]

Answer:

$\sqrt{x^2+y^2}-x$

Step-by-step explanation:

$\textsf{Mulitply by}\quad\dfrac{\sqrt{x^2+y^2}-x}{\sqrt{x^2+y^2}-x}:$

$\implies \dfrac{y^2}{\sqrt{x^2+y^2}+x} \times \dfrac{\sqrt{x^2+y^2}-x}{\sqrt{x^2+y^2}-x}$

$\implies \dfrac{y^2(\sqrt{x^2+y^2}-x)}{(\sqrt{x^2+y^2}+x)(\sqrt{x^2+y^2}-x)}$

$\implies \dfrac{y^2(\sqrt{x^2+y^2}-x)}{(\sqrt{x^2+y^2})^2-x^2}$

$\implies \dfrac{y^2(\sqrt{x^2+y^2}-x)}{x^2+y^2-x^2}$

$\implies \dfrac{y^2(\sqrt{x^2+y^2}-x)}{y^2}$

$\textsf{Cancel the common factor}\:y^2:$

$\implies \sqrt{x^2+y^2}-x$

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3 years ago

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iren2701 [21]

Answer:

x= 32°

Step-by-step explanation:

2(2x-20) + 2(4x+8)= 360

4x+8x-40+16=360

12x=384

x=32°

8 0

2 years ago

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Rectangle A has length 12 and width 8. Rectangle B has length 15 and width 10. Rectangle C has length 30 and width 15.

Darina [25.2K]

Answer:

Step-by-step explanation:

The length is x2 while the width is x1.5

Therefore it cannot be a scaled copy

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3 years ago

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