Answer: b=5
Step-by-step explanation:
7(b+2)=49
7b + 14= 49
7b = 49-14
7b= 35
b=35/7
b=5
P = 21 + 2w
Solve for w
Subtract 21 from both sides.
P - 21 = 2w
Divide both sides by 2.
= w
The first option is correct.
Answer:
24cm
Step-by-step explanation:
you do length times width and you get 24
Answer:
3. 150% 4. 8.3%
Step-by-step explanation:
Percent error formula is the difference between the actual and estimated divided by actual times 100.
3. (5-2) / 2 x 100= 150%
4. (24-22)/ 24 x 100 = 8.3%
<span>-x+12=3(4x+8)+1
- x + 12 = 12x + 24 +1
13x= 12-25
13x = - 13
x = - 1
Answer is A. {-1}</span>