Question

Can someone please help me find what is wrong with my answer? I can't figure it out :-(

Answer 1

I had to find the slope of my problem so I did this: 843-431/4-18 which gave me 412/14. I simplified and got 206/7 which equals 29.42. What is wrong with what I did ???

Answer 2

My friend tells me it's my subtraction but I use a calculator and it's still right?

Answer 3

what's the question ?

Answer 4

if the fraction is correct
then the mistake is *4-18* isn't equal to positive 14

Answer 5

\[\frac{843-431}{4-18}=-\frac{206}{7} \]

Answer 6

Negative? Why :o

Answer 7

subtraction: when the bigger number is negative then the answer would be negative
4-9= -5
2-10= -8

Answer 8

but none of them were negatives, all positives

Answer 9

alright then what's the question ?
there is no question.

Answer 10

If I simplified the. It would be -29.42 ?

Answer 11

maybe you didn't substitute dthe #s right...?

Answer 12

But how did @robtobey get a negative answer and 206/7 from 843-431/4-18?

Answer 13

-412/14 =- 29.4285
if you want to round it nearest hundredth
then it should be -29.43
Because the number after hundredth term is greater than 5 so you should round it.

Answer 14

he simplified the fraction
\[\ \frac{ -206 }{ 7 }=\frac{-412}{14}\]
divide the numerator and denominator by 2 you will get 206/7

Answer 15

Okay I understand it, thank you.

Answer 16

no problem. good luck!

Answer 17

I have to find the line can you please check my answer to that one to.

Answer 18

sure

Answer 19

Thank you so much again!!
Okay here's my equation:
14=-29.42(18)+b

14= -529.56

B= -543.56

Answer 20

first of all it is 29.43 remember rounding ?
\[14=-29.43(18)+b\]
multiply by 18 we get
\[14=-529.74+b\]
now you should add 529.74 to solve for x.
how did you get negative answer ?