Vicki ate 5/20 cookies on Friday and 15/20 last week
Answer:
2+2x=y
Step-by-step explanation:
We start our equation with 2 since that is how much she aldredy knit then we do X*2 or 2x =y then we put the 2 so 2+2x=y
Si e uno porque estes porque
Answer:
Common denominator of 2 and 5 if you want to add or subtract two fractions with 2 and 5 as denominators.
Step-by-step explanation:
Step 1) Take the LCD and divide each denominator by it as follows:
10/2 = 5
10/5 = 2
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 5 = 15
2 x 2 = 4
Step 3) Put it all together to solve the problem:
15/10 + 4/10 = 19/10
= 3/2 + 2/5 = 19/10
=10
Chang is incorrect because his factoring results in -21 instead of positive 21.
Benjamin is incorrect because his factoring results in positive 9x instead of -9x.
Habib's answer is incorrect because 4 + 12x is not equivalent to the expression above.
A correct factor would be: 4-3(3x-7)