Thursday

July 24, 2014

July 24, 2014

Posted by **Miley** on Monday, February 7, 2011 at 7:40pm.

Please i need help

- Math7 -
**helper**, Monday, February 7, 2011 at 7:49pmx = number of cookies

x - (1/2 x + 3 + 2) = 7

x - (1/2 x + 5) = 7

2/2 x - 1/2 x - 5 = 7

1/2 x - 5 = 7

1/2 x = 12

multiply both side by 2

x = 24

- Math7 -
**Miley**, Monday, February 7, 2011 at 7:55pmThank you!

I did one exercise and could you please check it

The temperature at 2:00 P.M was 19C. By midnight, it was -3C

What is the difference in the temperatures?

_____________=________

I thing the answer is:

(+19)-(+22)=-3

Correct?

- Math7 -
**Miley**, Monday, February 7, 2011 at 8:11pmCorrect?

- Math7 -
**Ms. Sue**, Monday, February 7, 2011 at 8:25pmHow can a difference between 19 and - 3 be only 3 degrees?

- Math7 -
**helper**, Monday, February 7, 2011 at 8:25pmFrom 19C to -3C is 22 degrees difference

- Math7 -
**Miley**, Monday, February 7, 2011 at 8:46pmThank you!!

**Related Questions**

Math - Yuki made cookies on Monday. Some friends came over and ate half the ...

math - Alex came home after school one day and found that his mother had left a ...

math - three friends are sharing 36 cookies. jerry states that he wants 25% of ...

arithmetic - Kate ate 1/3 of the cookies she made for the bake sale. IF she ate ...

math - When 6-year old Melanie arrived home from school, she was the first to ...

MATH - three brothers try to divide some cookies. The oldest brother gets half ...

Math - Uncle Joe made chocolate chip cookies. Eric ate fifty percent of them ...

math - writing algebraic expressions: 1. there were 3 times more sugar cookies ...

math - three frinds are sharing 36 cookies . jerry wants 25% of the cokies , ...

Math - Jill made some cookies. Jill gave 1/4 of her cookies to Bob. Then Jill ...