3 years ago

HELP WITH MATH PLEASEE

Mathematics

1 answer:

attashe74 [19]3 years ago

4 0

Answer:

24cm²

Step-by-step explanation:

area =( 1/2 ×6×4 )×2

area = 24 cm²

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a 5-gallon mixture contains 40% acid. A 3-gallon mixture contains 50% acid. what percent acid is obtained by putting the two mix

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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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Todos los numeros negativos son enteros verdadero o falsom.

Romashka-Z-Leto [24]

Answer:

False

Step-by-step explanation:

numbers are integers, the integers are negative, zero and positive,

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. False. Integers comprise negative and positive numbers (...- 3, -2, -1, 0, 1, 2, 3 ...) and natural numbers only comprise positive integers (0, 1, 2, 3 ...)

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