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2 years ago

Which unit is not a measurement of volume? cm L ml cm3

1 answer:

3 0

Volume is 3 dimentional

cm is 1 dimentional: legnth
L=liters=volume=cubic meter
ml=mililiter=volume=cubic centimeter
cm^3=mililiter

cm is the answer

weight is the measurement of the amount of gravity of an object, it changes depending on where you are (on moon, something has less weight than on earth)
mass is how much matter is in something, doesn't matter where you are (on moon, still same mass as on earth)
FALSE

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which numbers are irrational? check all that apply. square root of 196, square root of 80, square root of 16, pi, square root of

Vilka [71]

Answer: $\sqrt{80}$ , $\pi$ , $\sqrt{12}$

Step-by-step explanation:

these are all irrational! hope this helped you :3.

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2 years ago

Prove the trigonometric identity

Annette [7]

Answer:

Proved See below

Step-by-step explanation:

Man this one is a world of its own :D Just a quick question are you a fellow Add Math student in O levels i remember this question from back in the day :D Anyhow Lets get started

For this question we need to know the following identities:

$1+tan^{2}x=sec^2x\\\\1+cot^2x=cosec^2x\\\\sin^2x+cos^2x=1$

Lets solve the bottom most part first:

$1-\frac{1}{1-sec^2x} \\\\$

Take LCM

$1-\frac{1}{1-sec^2x} \\\\\frac{1-sec^2x-1}{1-sec^2x} \\\\\frac{-sec^2x}{1-sec^2x} \\\\\frac{-(1+tan^2x)}{-tan^2x}$

now break the LCM

$\frac{-1}{-tan^2x}+\frac{-tan^2x}{-tan^2x}\\\\\frac{1}{tan^2x}+1\\\\cot^2x+1$

because 1/tan = cot x

and furthermore,

$cot^2x+1\\cosec^2x$

now we solve the above part and replace the bottom most part that we solved with $cosec^2x$

$\frac{1}{1-\frac{1}{cosec^2x} } \\\\\frac{1}{1-sin^2x} \\\\\frac{1}{cos^2x}\\\\sec^2x$

Hence proved! :D

4 0

2 years ago

I couldn’t find the answer throught brainly. Anyone know??

STatiana [176]

Answer:

240 would be your answer

Step-by-step explanation:

6 0

2 years ago

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Yester the town of the bishop received 7/8 inch of snow today the town received 2/3 of yesterday's amount how much snow fell in

laiz [17]

First you start off by setting up a Subtraction problem there anything common denominators of 7/8 and two over three verse 7/8 you should get 21/24 invert to over three you should get 16/24 then you would subtract those two anyway to get 5/24 I hope that was helpful get it

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2 years ago

What is the answer to this and give me step by step explaining

djyliett [7]

Answer:

your photo is not clear

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2 years ago