Answer:
1. The first problem is wrong, it should be 0.5(3(15) + 2(20)) because the parentheses make sure that every purchased item is being divided by 2 (multiplying by 0.5 is the same as dividing by 2)
2. The second problem is partially correct. The first two answers you have checked are correct, but the last one is wrong. The third answer should be 6 + 12 instead because that's just a simplified version of 2(3) + 6(2), meaning they are equal
3. I cannot read your answers in the "Why or Why Not" column in the third problem, but the answers you gave in the "Evaluate" and "Does It Work?" columns are all correct.
Answer:D
Step-by-step explanation:
An auto repair shop charged $75/h for labor plus an additional $89 for parts.
If the shop worked for 2 h.
C = Represented the total repair cost .
Than the equation becomes
C = 75 × 2 + 89
C = 75 (2) + 89
Therefore the total cost for the repair is represented by C = 75 (2) + 89 .
Option (D) is correct .
Distribute on the left
3x-15=7x
Subtract 3x from both sides
-15= 4x
Divide both sides by 4
-15/4= x
Final answer: x=-15/4 or -3.75
Answer:
Too late man. Vhjgfuy)vvfjhbyf
Step-by-step explanation:vhgvghcgfxtrxvygiyuiyg f tyi t ytfyt tic f cry
5x5=10
1980-1980^4%
=1980-79.2
=$1900.8