Solve the equation. 7(x + 3) = (7x + 21)
A. 0
B. 42
C. All real numbers
D. No solution

7(x + 3) = (7x + 21) 7x + 21 = 7x + 21 The solution is All real numbers.

Rating

3

7(x + 3) = (7x + 21)

7x + 21 = 7x + 21

The solution is All real numbers.

7x + 21 = 7x + 21

The solution is All real numbers.

Added 3/16/2014 6:57:31 PM

This answer has been confirmed as correct and helpful.

A contractor mixes concrete from bags of pre-mix for small jobs. How many bags with 8% cement should he mix with 24 bags of 12% cement to produce a mix containing 10% cement?
A. 36 bags
B. 48 bags
C. 24 bags
D. 12 bags **Weegy:** 8/16 and 24/48 are actually equivalent. They are both equal to 1/2, so neither is larger. (More)

Question|Asked by kim19

Expert Answered

Updated 3/16/2014 10:15:00 PM

1 Answer/Comment

C. 24 bags bags with 8% cement should he mix with 24 bags of 12% cement to produce a mix containing 10% cement.

Added 3/16/2014 10:14:59 PM

This answer has been confirmed as correct and helpful.

The supplement of 3.4 degrees is **Weegy:** The supplement of 3.4° = 180° - 3.4° = 176.6° . Since the sum of supplement is 180 To find the supplement of an angle, subtract its measure from 180 degrees. (More)

Question|Asked by kim19

Expert Answered

Updated 3/16/2014 8:09:51 PM

0 Answers/Comments

Convert as indicated. 45 qt to liters
A. 20.4 L
B. 54.0 L
C. 42.8 L
D. 47.7 L **Weegy:** 45 qt is 42.8 L (More)

Question

Expert Answered

Updated 6/18/2014 2:12:26 AM

0 Answers/Comments

Fill in the missing value. 6.6 L = __________ cm3
A. 0.0066
B. 6600
C. 660
D. 0.066 **Weegy:** 6.6 L = B. 6600 cm3. (More)

Question

Expert Answered

Updated 3/19/2014 3:45:16 PM

0 Answers/Comments

27,933,819

questions answered

There are no comments.