Angela tried to solve an equation step by step. \begin{aligned} \dfrac34+m&=\dfrac54\\\\ \dfrac34+m-\dfrac34&=\dfrac54+\ dfrac34&\green{\text{Step } 1}\\\\ m&=2&\blue{\text{Step } 2} \end{aligned} 4 3 +m 4 3 +m− 4 3 m = 4 5 = 4 5 + 4 3 =2 Step 1 Step 2 Find Angela's mistake.
1 answer:
Answer:
The mistake she made was ; S he didn 't change the sign when subtracting - 3 / 4 from both sides
She wrote 5 / 4 + 3 / 4 instead of 5 / 4 - 3 / 4
Step-by-step explanation:
Correct solution:
Subt ract - 3 / 4 f rom b oth sides
Simplify
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(-9t^25) / (7t^26) = -9 / (7t)
Answer:
Step-by-step explanation:
Cross multiply!
1. 1 / 6 * 11 / 12
2. 1*12 = 11*6
3. 12 = 66
4. 66/12
Decimal form: 5.5
Fraction form: 5 1/2
Improper Fraction: 11/2