Question

Insert parentheses into the expression so that it has a value of 10. Then show why your expression has a value of 10.
9+3*5/2+4

Answer 1

so, hmm, what are your ideas?

Answer 2

not really sure im confused on this question do you know how to figure it out?

Answer 3

well, honestly it's a try all the possibilities and see what works type.

Answer 4

but so if we re-write it as 9+3*5/2+4 what do we get? DOn't forget the order of operations

Answer 5

ie don't do anything

Answer 6

20.5?

Answer 7

yup, ok so now, I'm gonna tell you this is sort of a trick question, you have to insert 2 sets of parentheses

Answer 8

It can't be done with just 1

Answer 9

where? ive tryed alot of posibilities and havent been able to get the answer

Answer 10

ok, so, what if you made a fraction?

Answer 11

I'm trying not to explicitly tell you

Answer 12

a fraction?

Answer 13

hinting is difficult here though

Answer 14

yea, a fraction is just a division problem

Answer 15

sorry but i dont understand

Answer 16

think of this \[\frac{x^2 +2x+1}{x+1}\]

Answer 17

try and make yours similar

Answer 18

a fraction is just division

Answer 19

\[9+3*5\color\red{/}2+4\] Division is just a fraction too

Answer 20

im trying it but im not getting 10

Answer 21

what did you try?

Answer 22

oh wait

Answer 23

i got it!

Answer 24

yea? Awesome!

Answer 25

thank you so much

Answer 26

np, just so I can know you got it, what did you use?

Answer 27

9+3*5
------
2+4

Answer 28

ok, your missing a set of parentheses

Answer 29

currently you top reads 9+15=24

Answer 30

9+(3*5)
------
2+4

Answer 31

you have to add parentheses to negate order of ops, ^that is the same as before 9+(15)

Answer 32

(9+3) 5
------
2+4

Answer 33

looks a little better :)

Answer 34

:)

Answer 35

good work, I know my hints weren't so great.

Answer 36

they were great and thank you

Answer 37

it's hard not to flat out tell sometimes but good work! have a good night