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4 years ago

De acordo com o material de estudos, complete as lacunas com as palavras correspondentes assinalando a alternativa correta.

Mathematics

1 answer:

n200080 [17]4 years ago

8 0

<span>jaja yo sólo hizo la misma pregunta, yo lo haré saber si me da una respuesta! :)

</span>

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Answer:

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4 years ago

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12 one half times one nine

pshichka [43]

Answer:

$1\frac{7}{18}$ or one seven eighteenths

Step-by-step explanation:

we know that

12 one half times one nine is the same that multiply 12 one half by one nine

$(12\frac{1}{2})(\frac{1}{9})$

Convert mixed number to an improper fraction

$12\frac{1}{2}=12+\frac{1}{2}=\frac{12*2+1}{2}=\frac{25}{2}$

substitute

$(\frac{25}{2})(\frac{1}{9})=\frac{25}{18}$

Convert to mixed number

$\frac{25}{18}=\frac{18}{18}+\frac{7}{18}=1\frac{7}{18}$

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3 years ago

Jackets price is reduced from $25 to $15. by what percentage was the price of the sweater reduced.

Helga [31]

Answer:

40 percent

Step-by-step explanation:

10 / 25 =.4=40%

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3 years ago

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Find the cost of 20 grams of lead at 60$ per kilogram

ASHA 777 [7]

Answer:

$1.20

Step-by-step explanation:

Ratio:

Grams : Kilograms

1 : .001

Multiply both sides by 20 to convert grams to kilograms:

Grams : Kilograms

1 : .001

x20 x20

20 : .02

This means that 20 grams of lead = .02 kilograms of lead

Price:

Cost : Kilogram

$60 : 1

Multiply both sides by .02 to find the price of the lead:

Cost : Kilogram

$60 : 1

x.02 x.02

$1.20 : .02

Therefore, .02 kg of lead costs $1.20.

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3 years ago

Please help me quick ASAP!!

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A hope this helps
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4 years ago

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