Question

Hi can someone help me figure out what -10<-13+v is? I'm solving for the inequality of v. This is for a review! Thank you!

Answer 1

-10 < -13 + v ---- add 13 to both sides
-10 + 13 < -13 + 13 + v ---- combine terms
3 < v

any questions ?

Answer 2

I had it right then! YAY I'm kind of just double checking my work right now :)

Answer 3

no problem with that...confirmation is good :)

Answer 4

I'm a fan of you! I may have a few more questions I'd like to double check...hopefully that will be okay? I always get really nervous that people think I'm cheating on this site or something...

Answer 5

I will check the ones I know how to do...lol. I am glad to help when I can because sometimes I might need help.

Answer 6

1/8-1/2 = 5/8 which is equal to 3 right?

Answer 7

oh wait shoot wrong sign

Answer 8

I just caught myself

Answer 9

answer is 3/8?

Answer 10

1/8 - 1/2 = 1/8 - 4/8 = -3/8

Answer 11

understand ?

Answer 12

is it really -3/8? or just 38 though? cause aren't you just subtracting I don't think it's a negative

Answer 13

3/8*

Answer 14

1/8 - 1/2 ....common denominator is 8
1/8 - 4/8 = -3/8 (100% positive)

The reason that it is negative is because 1/2 (or 4/8) is bigger then 1/8.
Its like saying 3 - 5 = -2.....5 is bigger, and when you subtract a bigger number from a smaller number, it will be negative

Answer 15

oh so if it was 1/2-1/8 THEN it would be positive 3/8, yes?

Answer 16

1/2 - 1/8 = 4/8 - 1/8 = 3/8.....yep

Answer 17

I flat out can't do this one yet....-3/4 + 3/-5

Answer 18

This probably seems really easy to you...people keep telling me it's really basic math...but I'm a writer and I truly suck at math -.-

Answer 19

-3/4 + (-3/5) .......3/-5 can be written as -3/5
-3/4 - 3/5 --- common denominator is 20
-15/20 - 12/20 = - 27/20 (when you have two negatives like this, you add and keep the same sign)
answer is : -27/20, and if it needs to be in mixed number form, it is - 1 7/20

Answer 20

It's supposed to be written in the simplest form
which I think means keep it as a fraction and not as a decimal right?

Answer 21

so this is written as -27/20 as in the negative sign is directly next to the 27 right?

Answer 22

\[\frac{ -27}{ 20}\]

Answer 23

right..-27/20

Answer 24

I think I'm good on the next three I have here...so how about this one?

Answer 25

The Sugar Sweet Company is going to transport its sugar to market. It will cost to rent trucks, and it will cost an additional for each ton of sugar transported.

Let C represent the total cost (in dollars), and let S represent the amount of sugar (in tons) transported. Write an equation relating C to S

Answer 26

Oops, it will cost 4375 to rent the trucks and an additional 175 for each ton of sugar

Answer 27

You know when I'm done here with you I'm gonna go to the English section to pay back all the help I got :) Not before I write you an awesome testimonial of course :D

Answer 28

C = 4375 + 175s

Answer 29

right 4550

Answer 30

I wrote a little s only because a capital S can be confusing.....175S..see what I mean

Answer 31

oh yeah! it looks like a 5

Answer 32

no..it is not 4550
it is : C = 4375 + 175s....you do not add the numbers

Answer 33

But doesn't it say that C represents the total cost in dollars? wouldn't that be telling me to add them together?

Answer 34

I have to plot this so can I actually use c and s in my equation?

Answer 35

total cost in dollars.....4375 is the cost to rent the trucks. And it costs 175 per ton of sugar.

Your question is asking for an equation, not an exact answer.
Because the answer can be different depending on the amount of sugar.

Lets say you have 2 tons of sugar...
C = 4375 + 175(2)
C = 4375 + 350
C = 4725

but if you only had 1 ton of sugar..
C = 4375 + 175(1)
C = 4375 + 175
C = 4550

The C will depend on how many tons of sugar. So the only thing you can do is set up the equation to solve for any value you sub in for s.

Answer 36

ohhh that makes sense

Answer 37

but does that mean I have to solve for s to get the equation I need to plot my points?

Answer 38

you know you've helped me plenty! I can bring my questions up on the board for others to solve too :) I can see you're busy helping lots of other people. This doesn't seem fair