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3 years ago

Find the difference between x+5 and 2x+3

Mathematics

2 answers:

Salsk061 [2.6K]3 years ago

8 0

$(2x + 3) - (x + 5) = 2x + 3 - x - 5 =x - 2$

77julia77 [94]3 years ago

3 0

Answer:

The difference between the given expressions would be $x - 2$

Step-by-step explanation:

Given phrase,

Difference between x+5 and 2x+3,

$( 2x + 3 ) - (x + 5)$

$=2x + 3 - x - 5$ ( By distributive property )

$=x - 2$ ( By combining like terms )

Hence, the required difference would be $x-2$

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3 years ago

Help me with A and B please

g100num [7]

Part A.

Ashwin had a 4-cm cube.

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Part A. answer: A, E

Part B.

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3 years ago

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3 years ago

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Step-by-step explanation:

Given: $\tan \theta = \dfrac{4}{3}$ and $\pi < \theta< \dfrac{3\pi }{2}$

To find: $\cos 2 \theta$

Now as we know

$\cos 2x = \dfrac{1- \tan ^2 x}{1+ \tan ^2 x}$

So we have

$\cos 2 \theta = \dfrac{1-(\dfrac{4}{3} )^2}{1+(\dfrac{4}{3} )^2} \\\\\Rightarrow \cos 2 \theta = \dfrac{1- \dfrac{16}{9} }{1+ \dfrac{16}{9} } = \dfrac{\dfrac{9-16}{9} }{\dfrac{9+16}{9}} = \dfrac{-7}{25}$

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3 years ago

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