I'm too lazy to figure this out so if u could help that be great! :D just tell me which one it is

Mathematics

2 answers:

vazorg [7]2 years ago

4 0

It could be in meters or centimeters according to how long the desk is. But it's usually meters because cm is short

Alik [6]2 years ago

4 0

I thinks it's metres because centimeters and milimeters are small and kilometers are big

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Find the volume of a rectangular prism with the width of x-1, a length of x+1 and a height of 2x-3.

Damm [24]

Answer:

The Volume is equal to 2x^3-3x^2+2x-3

Step-by-step explanation:

Formula for the volume of a rectangular prism is V=WHL

We know that:

W=x-1

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2 years ago

What is the value of x with clear working out please?

nirvana33 [79]

Answer:

Answer:  x is 46° 

Step-by-step explanation:

• Let's first find Angle ACB

${ \rm{ \angle ACB + 23 \degree + 90 \degree = 180 \degree}} \\ \\ { \rm{ \angle ACB = (180 - 90 - 23) \degree}} \\ \\ { \underline{ \rm{ \: \angle ACB = 67 \degree}}}$

• From alternative angles, x = Angle BAC.

• Since AB = AC, then Angle ABC = Angle ACB

${ \rm{x + \angle ABC + \angle ACB = 180 \degree}} \\ \\ { \rm{x + 67 \degree + 67 \degree = 180 \degree}} \\ \\ { \rm{x + 134 \degree = 180 \degree}} \\ \\ { \boxed{ \rm{x = 46 \degree}}}$