12 1/4- 4 1/8
When you add or subtract fractions, you have to have the same denominator. In this problem you have to change 1/4 to 2/8. Then subtract the fraction and then subtract the whole number. Please post your answer and we'll be glad to check it.
7 1/3
3 5/6
How many more hours does april need to drive
Add or subtract.
(m2 – m – 4) + (m – 5)
A. m2 – 2m + 9
B. m2 + 2m – 9
C. m2 – 2m – 9
D. m2 – 9
m2 - 2m - 9
Add or subtract(5x2 + x – 3) – (–2x3 + 4)
A. –2x3 + 5x2 + x – 7
B. –2x3 + 5x2 + x + 1
C. 2x3 + 5x2 + x – 7
D. 2x3 + 5x2 + x + 1
B. -2x^3 + 5x^2 + x + 1
Suppose you earned 7t – 1 dollars on Monday and 8t + 5 dollars on Tuesday. What were your total earnings? Simplify your answer.
A. –t + 4 dollars
B. –t – 6 dollars
C. 15t – 6 dollars
D. 15t + 4 dollars
D. 15t + 4 dollars
f 7 ∙ f 1
A. f 8
B. f 7
C. (2f)8
D. (2f)7
B. f 7
The multiplication of variables with the same base (here, f) with different exponents will result in adding the exponents.
f7 * f1 = f(7+1) = f8
Start Fraction 144 superscript 14 baseline over 144 squared End Fraction
A. 14416
B. 14412
C. 14428
D. 144 superscript fourteen-halves baseline