mathematics problems

Mathematics
Tutor: None Selected Time limit: 1 Day

1. 3(5x-2)=39=?

2. 6(3+2x)-5=25=?

3. 5(x+4)=7(x-2)=?

4. a+ (a-2)=(a+4)-(a+2)=?

5. 5r-17=-11+7r=?

6. 7p-8=-8+2p=?

Apr 2nd, 2015

1)x=9

2)x=1

3)x=17

4)a=2

5)r=-3

6)p=0


message me if you have any doubts

Apr 2nd, 2015

can i ask you more questions on here


Apr 2nd, 2015

sure...

the answer for first is x=3

i typed wrong here...

Apr 2nd, 2015

i am happy to help you....

Apr 2nd, 2015

About 7 of 10 u.s. households have tv remote controls. There were 105,500,000 u.s. households in 1998. How many households have tv remote controls ? Set up a proportion to solve.

Apr 2nd, 2015

answer is 

7/10 *(105,500,000)=738,500,00 house holds have remote control

Apr 2nd, 2015

A cellular phone company offers a package called statewide 300'. The charge is $34.99 per month, and it includes up to 300 min of statewide calling time. Minutes over 300 are charged at a rate of $0.25 per minute.  Determine the total charge for using a cell phone for 358 min in one month

Apr 2nd, 2015

minutes over 300 are charged 

so,358-300

=58 miutes

the total charge=fixed charge+ calls above 300 charge

                         =34.99+0.25x58

                            =34.99+14.5

                           =$49.49.................................ANSWER

Apr 2nd, 2015

what are the ingredients for 1/2 the recipe? for 7 recipes 

4 1/2 cups flour , 5 teaspoons cinnamon,  1/2teaspoon salt


the ingredients for 1/2 the recipe are ___ cups of flour 

___ teaspoons cinnamon, and

___ teaspoon salt 


the ingredient for 7 recipes are ____ cups of flour,

___ teaspoons cinnamon, and

__ teaspoons salt

Apr 2nd, 2015

why you are not paying me anything?

Apr 2nd, 2015

YOU SAID IF I NEED HELP TO ASK YOU!!!!

Apr 2nd, 2015

hey..i had answered to three questions...

please pay...

i will help you.....thank you!

Apr 2nd, 2015

im going to report you BYE!!!!!

Apr 2nd, 2015

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