Answer:
h is a variable, 21 is a term and 5 x^2 is an expression.
Step-by-step explanation:
h is a variable, 21 is a term and 5 x^2 is an expression.
Since david ate a quarter of the pizza he ate 3 slices. John ate 4 slices. 4+3=7 , 12-7=5 pieces of pizza are left
Answer:
0.5401
Step-by-step explanation:
Because the scientific notation indicates that you have to multiply 5.401 by 0.1, that's all you have to do to get it back to standard notation. 5.401*0.1= 0.5401
Step 1. Should be 3(x +2x) -2(x +1) +5 . . .
or . . . 3x(1 +2) -2(x +1) +5 . . .
or . . . 9x -2(x+1) +5
Step-by-step explanation:
Lisa apparently failed to realize that both terms inside the first set of parentheses have 3x as a factor. They are like terms, so could be combined directly. If Lisa really wants to factor out 3 or 3x, she could do so and then combine the remaining factors at another step.
