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dem82 [27]
2 years ago
8

Which of the expressions are equivalent to the one below? 5x(3+7)

Mathematics
2 answers:
makkiz [27]2 years ago
8 0

Answer:

B, C

Step-by-step explanation:

3 times (2+6) + 4 times 5

3 times 8 + 20

24 + 20

44

B. This is the same equation but rewritten

C. This is the same equation but rewritten

MArishka [77]2 years ago
6 0

3×(2+6)+4×5 is/= 44,

3×2+3×6+4×5=44

5×4+3×(6+2)=44

(6+2)×3+4×5=44

3×2+(6+4)×5= 56

So your answers are A, B, and C.

Step-by-step explanation:

..Calculator

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\begin{array}{lcccl} &\stackrel{solution}{quantity}&\stackrel{\textit{\% of }}{amount}&\stackrel{\textit{gallons of }}{amount}\\ \cline{2-4}&\\ \textit{1st mixture}&5&0.4&\stackrel{(5)(0.4)}{2}\\ \textit{2nd mixture}&3&0.5&\stackrel{(3)(0.5)}{1.5}\\ \cline{2-4}&\\ mixed&8&p&3.5 \end{array} \\\\\\ 8p=3.5\implies p=\cfrac{3.5}{8}\implies p=0.4375\implies p=\stackrel{\%}{43.75}

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