Work out the length of xGive your answer rounded to 3 significant figures. | Mathematics | Page 1

topaz flint May 24, 2023, 4:12 PM

#

What have you tried?

queen bough May 24, 2023, 4:14 PM

#

topaz flint What have you tried?

square root and then 10.9 - 5.3 with a squared on each

topaz flint May 24, 2023, 4:14 PM

#

queen bough square root and then 10.9 - 5.3 with a squared on each

Thaaat's... incoherent.

queen bough May 24, 2023, 4:15 PM

#

topaz flint Thaaat's... incoherent.

what

topaz flint May 24, 2023, 4:15 PM

#

That doesn't actually describe anything.

queen bough May 24, 2023, 4:17 PM

#

topaz flint That doesn't actually describe anything.

wym

topaz flint May 24, 2023, 4:17 PM

#

...I don't know how to be more precise than "it doesn't describe anything".

queen bough May 24, 2023, 4:18 PM

#

that

#

topaz flint May 24, 2023, 4:19 PM

#

Okay, so the way we would say that is "the square root of 10.9 squared minus 5.3 squared".

#

Not "square root and then", not "with a squared on each".

queen bough May 24, 2023, 4:19 PM

#

ok

topaz flint May 24, 2023, 4:19 PM

#

Okay, so... what do you need?

queen bough May 24, 2023, 4:20 PM

#

topaz flint Okay, so... what do you need?

how to do it

topaz flint May 24, 2023, 4:20 PM

#

queen bough how to do it

...with a calculator?

queen bough May 24, 2023, 4:20 PM

#

topaz flint ...with a calculator?

i did

#

but it says its wrong

topaz flint May 24, 2023, 4:20 PM

#

You probably typed it into the calculator wrong.

queen bough May 24, 2023, 4:20 PM

#

no

topaz flint May 24, 2023, 4:21 PM

#

Show me what you put in the calculator.

queen bough May 24, 2023, 4:21 PM

#

topaz flint May 24, 2023, 4:21 PM

#

No. Show me the calculator screen.

queen bough May 24, 2023, 4:21 PM

#

i cant

topaz flint May 24, 2023, 4:21 PM

#

Why not?

#

Okay. Type ",w " and then type what you put in the calculator.

queen bough May 24, 2023, 4:22 PM

#

the image i sent

#

i put in

topaz flint May 24, 2023, 4:22 PM

#

Dude, no. You didn't type an image into a calculator.

queen bough May 24, 2023, 4:23 PM

#

i used photomath

topaz flint May 24, 2023, 4:23 PM

#

Did you double-check it?

queen bough May 24, 2023, 4:24 PM

#

ye

#

i typed it in perfectly fine

topaz flint May 24, 2023, 4:24 PM

#

What did you get?

queen bough May 24, 2023, 4:25 PM

#

i typed it a hour ago

#

idk

topaz flint May 24, 2023, 4:25 PM

#

...okay, so type it again.

queen bough May 24, 2023, 4:25 PM

#

i cant

topaz flint May 24, 2023, 4:25 PM

#

Why not???

queen bough May 24, 2023, 4:25 PM

#

my mum is using here phone

topaz flint May 24, 2023, 4:26 PM

#

You're on an Internet-capable device, you can use an online calculator.

queen bough May 24, 2023, 4:26 PM

#

topaz flint You're on an Internet-capable device, you can use an online calculator.

i tried

#

they dont work

topaz flint May 24, 2023, 4:26 PM

#

Show. Me.

topaz flint May 24, 2023, 4:28 PM

#

queen bough they dont work

What do you even mean, "they don't work"?

queen bough May 24, 2023, 4:28 PM

#

topaz flint What do you even mean, "they don't work"?

it comes up wrong

topaz flint May 24, 2023, 4:28 PM

#

But it comes up, right?

#

So what comes up?

#

How am I supposed to help you get the right answer if I don't know what wrong answer you're getting?

queen bough May 24, 2023, 4:30 PM

#

topaz flint May 24, 2023, 4:30 PM

#

queen bough

...okay, that's correct.

#

Okay, no. I'm not helping you with a second question until we're done with the first one.

queen bough May 24, 2023, 4:31 PM

#

topaz flint Okay, no. I'm not helping you with a second question until we're done with the f...

i did the first one

topaz flint May 24, 2023, 4:31 PM

#

You said you got it wrong, though.

queen bough May 24, 2023, 4:32 PM

#

ye but i got it right now i reported a bug to hegarty maths

#

topaz flint May 24, 2023, 4:32 PM

#

Okay, can we focus on one problem at a time?

queen bough May 24, 2023, 4:33 PM

#

ye thats the one

topaz flint May 24, 2023, 4:33 PM

#

Okay, so do you know what those little lines mean?

queen bough May 24, 2023, 4:33 PM

#

topaz flint Okay, so do you know what those little lines mean?

equal?

topaz flint May 24, 2023, 4:33 PM

#

...not quite, but sure, whatever.

queen bough May 24, 2023, 4:33 PM

#

ok

topaz flint May 24, 2023, 4:34 PM

#

So what's the third side?

queen bough May 24, 2023, 4:34 PM

#

6.8

topaz flint May 24, 2023, 4:34 PM

#

...no. The unlabeled side.

queen bough May 24, 2023, 4:34 PM

#

90 degress

topaz flint May 24, 2023, 4:35 PM

#

...why are you just randomly guessing?

queen bough May 24, 2023, 4:36 PM

#

im not

topaz flint May 24, 2023, 4:36 PM

#

You are.

queen bough May 24, 2023, 4:36 PM

#

topaz flint May 24, 2023, 4:36 PM

#

You just said that a side was 90 degrees.

#

A side.

queen bough May 24, 2023, 4:37 PM

#

idk what the side is

topaz flint May 24, 2023, 4:38 PM

#

We said that those lines "mean equal", right?

queen bough May 24, 2023, 4:39 PM

#

yes

#Work out the length of xGive your answer rounded to 3 significant figures.